decoder.isa revision 12138
111723Sar4jc@virginia.edu// -*- mode:c++ -*-
211723Sar4jc@virginia.edu
311723Sar4jc@virginia.edu// Copyright (c) 2015 RISC-V Foundation
412120Sar4jc@virginia.edu// Copyright (c) 2017 The University of Virginia
511723Sar4jc@virginia.edu// All rights reserved.
611723Sar4jc@virginia.edu//
711723Sar4jc@virginia.edu// Redistribution and use in source and binary forms, with or without
811723Sar4jc@virginia.edu// modification, are permitted provided that the following conditions are
911723Sar4jc@virginia.edu// met: redistributions of source code must retain the above copyright
1011723Sar4jc@virginia.edu// notice, this list of conditions and the following disclaimer;
1111723Sar4jc@virginia.edu// redistributions in binary form must reproduce the above copyright
1211723Sar4jc@virginia.edu// notice, this list of conditions and the following disclaimer in the
1311723Sar4jc@virginia.edu// documentation and/or other materials provided with the distribution;
1411723Sar4jc@virginia.edu// neither the name of the copyright holders nor the names of its
1511723Sar4jc@virginia.edu// contributors may be used to endorse or promote products derived from
1611723Sar4jc@virginia.edu// this software without specific prior written permission.
1711723Sar4jc@virginia.edu//
1811723Sar4jc@virginia.edu// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1911723Sar4jc@virginia.edu// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
2011723Sar4jc@virginia.edu// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
2111723Sar4jc@virginia.edu// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
2211723Sar4jc@virginia.edu// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
2311723Sar4jc@virginia.edu// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
2411723Sar4jc@virginia.edu// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
2511723Sar4jc@virginia.edu// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
2611723Sar4jc@virginia.edu// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
2711723Sar4jc@virginia.edu// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
2811723Sar4jc@virginia.edu// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
2911723Sar4jc@virginia.edu//
3011723Sar4jc@virginia.edu// Authors: Alec Roelke
3111723Sar4jc@virginia.edu
3211723Sar4jc@virginia.edu////////////////////////////////////////////////////////////////////
3311723Sar4jc@virginia.edu//
3411723Sar4jc@virginia.edu// The RISC-V ISA decoder
3511723Sar4jc@virginia.edu//
3611723Sar4jc@virginia.edu
3712120Sar4jc@virginia.edudecode QUADRANT default Unknown::unknown() {
3812120Sar4jc@virginia.edu    0x0: decode COPCODE {
3912120Sar4jc@virginia.edu        0x0: CUIOp::c_addi4spn({{
4012120Sar4jc@virginia.edu            imm = CIMM8<1:1> << 2 |
4112120Sar4jc@virginia.edu                  CIMM8<0:0> << 3 |
4212120Sar4jc@virginia.edu                  CIMM8<7:6> << 4 |
4312120Sar4jc@virginia.edu                  CIMM8<5:2> << 6;
4412120Sar4jc@virginia.edu        }}, {{
4512136Sar4jc@virginia.edu            if (machInst == 0)
4612136Sar4jc@virginia.edu                fault = make_shared<IllegalInstFault>("zero instruction");
4712120Sar4jc@virginia.edu            Rp2 = sp + imm;
4812120Sar4jc@virginia.edu        }});
4912120Sar4jc@virginia.edu        format CompressedLoad {
5012120Sar4jc@virginia.edu            0x1: c_fld({{
5112120Sar4jc@virginia.edu                ldisp = CIMM3 << 3 | CIMM2 << 6;
5212120Sar4jc@virginia.edu            }}, {{
5312120Sar4jc@virginia.edu                Fp2_bits = Mem;
5412120Sar4jc@virginia.edu            }}, {{
5512120Sar4jc@virginia.edu                EA = Rp1 + ldisp;
5611723Sar4jc@virginia.edu            }});
5712120Sar4jc@virginia.edu            0x2: c_lw({{
5812120Sar4jc@virginia.edu                ldisp = CIMM2<1:1> << 2 |
5912120Sar4jc@virginia.edu                        CIMM3 << 3 |
6012120Sar4jc@virginia.edu                        CIMM2<0:0> << 6;
6112120Sar4jc@virginia.edu            }}, {{
6212120Sar4jc@virginia.edu                Rp2_sd = Mem_sw;
6312120Sar4jc@virginia.edu            }}, {{
6412120Sar4jc@virginia.edu                EA = Rp1 + ldisp;
6511723Sar4jc@virginia.edu            }});
6612120Sar4jc@virginia.edu            0x3: c_ld({{
6712120Sar4jc@virginia.edu                ldisp = CIMM3 << 3 | CIMM2 << 6;
6812120Sar4jc@virginia.edu            }}, {{
6912120Sar4jc@virginia.edu                Rp2_sd = Mem_sd;
7012120Sar4jc@virginia.edu            }}, {{
7112120Sar4jc@virginia.edu                EA = Rp1 + ldisp;
7211723Sar4jc@virginia.edu            }});
7312120Sar4jc@virginia.edu        }
7412120Sar4jc@virginia.edu        format CompressedStore {
7512120Sar4jc@virginia.edu            0x5: c_fsd({{
7612120Sar4jc@virginia.edu                sdisp = CIMM3 << 3 | CIMM2 << 6;
7712120Sar4jc@virginia.edu            }}, {{
7812120Sar4jc@virginia.edu                Mem = Fp2_bits;
7912120Sar4jc@virginia.edu            }}, {{
8012120Sar4jc@virginia.edu                EA = Rp1 + sdisp;
8111723Sar4jc@virginia.edu            }});
8212120Sar4jc@virginia.edu            0x6: c_sw({{
8312120Sar4jc@virginia.edu                sdisp = CIMM2<1:1> << 2 |
8412120Sar4jc@virginia.edu                        CIMM3 << 3 |
8512120Sar4jc@virginia.edu                        CIMM2<0:0> << 6;
8612120Sar4jc@virginia.edu            }}, {{
8712120Sar4jc@virginia.edu                Mem_uw = Rp2_uw;
8812120Sar4jc@virginia.edu            }}, ea_code={{
8912120Sar4jc@virginia.edu                EA = Rp1 + sdisp;
9011723Sar4jc@virginia.edu            }});
9112120Sar4jc@virginia.edu            0x7: c_sd({{
9212120Sar4jc@virginia.edu                sdisp = CIMM3 << 3 | CIMM2 << 6;
9312120Sar4jc@virginia.edu            }}, {{
9412120Sar4jc@virginia.edu                    Mem_ud = Rp2_ud;
9512120Sar4jc@virginia.edu            }}, {{
9612120Sar4jc@virginia.edu                EA = Rp1 + sdisp;
9711723Sar4jc@virginia.edu            }});
9811723Sar4jc@virginia.edu        }
9911723Sar4jc@virginia.edu    }
10012120Sar4jc@virginia.edu    0x1: decode COPCODE {
10112120Sar4jc@virginia.edu        format CIOp {
10212120Sar4jc@virginia.edu            0x0: c_addi({{
10312120Sar4jc@virginia.edu                imm = CIMM5;
10412120Sar4jc@virginia.edu                if (CIMM1 > 0)
10512120Sar4jc@virginia.edu                    imm |= ~((uint64_t)0x1F);
10612120Sar4jc@virginia.edu            }}, {{
10712136Sar4jc@virginia.edu                if ((RC1 == 0) != (imm == 0)) {
10812136Sar4jc@virginia.edu                    if (RC1 == 0) {
10912136Sar4jc@virginia.edu                        fault = make_shared<IllegalInstFault>("source reg x0");
11012136Sar4jc@virginia.edu                    } else // imm == 0
11112136Sar4jc@virginia.edu                        fault = make_shared<IllegalInstFault>("immediate = 0");
11212136Sar4jc@virginia.edu                }
11312120Sar4jc@virginia.edu                Rc1_sd = Rc1_sd + imm;
11412120Sar4jc@virginia.edu            }});
11512120Sar4jc@virginia.edu            0x1: c_addiw({{
11612120Sar4jc@virginia.edu                imm = CIMM5;
11712120Sar4jc@virginia.edu                if (CIMM1 > 0)
11812120Sar4jc@virginia.edu                    imm |= ~((uint64_t)0x1F);
11912120Sar4jc@virginia.edu            }}, {{
12012120Sar4jc@virginia.edu                assert(RC1 != 0);
12112120Sar4jc@virginia.edu                Rc1_sd = (int32_t)Rc1_sd + imm;
12212120Sar4jc@virginia.edu            }});
12312120Sar4jc@virginia.edu            0x2: c_li({{
12412120Sar4jc@virginia.edu                imm = CIMM5;
12512120Sar4jc@virginia.edu                if (CIMM1 > 0)
12612120Sar4jc@virginia.edu                    imm |= ~((uint64_t)0x1F);
12712120Sar4jc@virginia.edu            }}, {{
12812120Sar4jc@virginia.edu                assert(RC1 != 0);
12912120Sar4jc@virginia.edu                Rc1_sd = imm;
13012120Sar4jc@virginia.edu            }});
13112120Sar4jc@virginia.edu            0x3: decode RC1 {
13212120Sar4jc@virginia.edu                0x2: c_addi16sp({{
13312120Sar4jc@virginia.edu                    imm = CIMM5<4:4> << 4 |
13412120Sar4jc@virginia.edu                          CIMM5<0:0> << 5 |
13512120Sar4jc@virginia.edu                          CIMM5<3:3> << 6 |
13612120Sar4jc@virginia.edu                          CIMM5<2:1> << 7;
13712120Sar4jc@virginia.edu                    if (CIMM1 > 0)
13812120Sar4jc@virginia.edu                        imm |= ~((int64_t)0x1FF);
13912120Sar4jc@virginia.edu                }}, {{
14012120Sar4jc@virginia.edu                    assert(imm != 0);
14112120Sar4jc@virginia.edu                    sp_sd = sp_sd + imm;
14212120Sar4jc@virginia.edu                }});
14312120Sar4jc@virginia.edu                default: c_lui({{
14412120Sar4jc@virginia.edu                    imm = CIMM5 << 12;
14512120Sar4jc@virginia.edu                    if (CIMM1 > 0)
14612120Sar4jc@virginia.edu                        imm |= ~((uint64_t)0x1FFFF);
14712120Sar4jc@virginia.edu                }}, {{
14812120Sar4jc@virginia.edu                    assert(RC1 != 0 && RC1 != 2);
14912120Sar4jc@virginia.edu                    assert(imm != 0);
15012120Sar4jc@virginia.edu                    Rc1_sd = imm;
15112120Sar4jc@virginia.edu                }});
15212120Sar4jc@virginia.edu            }
15312120Sar4jc@virginia.edu        }
15412120Sar4jc@virginia.edu        0x4: decode CFUNCT2HIGH {
15512120Sar4jc@virginia.edu            format CUIOp {
15612120Sar4jc@virginia.edu                0x0: c_srli({{
15712120Sar4jc@virginia.edu                    imm = CIMM5 | (CIMM1 << 5);
15812120Sar4jc@virginia.edu                    assert(imm != 0);
15912120Sar4jc@virginia.edu                }}, {{
16012120Sar4jc@virginia.edu                    Rp1 = Rp1 >> imm;
16112120Sar4jc@virginia.edu                }});
16212120Sar4jc@virginia.edu                0x1: c_srai({{
16312120Sar4jc@virginia.edu                    imm = CIMM5 | (CIMM1 << 5);
16412120Sar4jc@virginia.edu                    assert(imm != 0);
16512120Sar4jc@virginia.edu                }}, {{
16612120Sar4jc@virginia.edu                    Rp1_sd = Rp1_sd >> imm;
16712120Sar4jc@virginia.edu                }});
16812120Sar4jc@virginia.edu                0x2: c_andi({{
16912120Sar4jc@virginia.edu                    imm = CIMM5;
17012120Sar4jc@virginia.edu                    if (CIMM1 > 0)
17112120Sar4jc@virginia.edu                        imm |= ~((uint64_t)0x1F);
17212120Sar4jc@virginia.edu                }}, {{
17312120Sar4jc@virginia.edu                    Rp1 = Rp1 & imm;
17412120Sar4jc@virginia.edu                }});
17512120Sar4jc@virginia.edu            }
17612120Sar4jc@virginia.edu            format ROp {
17712120Sar4jc@virginia.edu                0x3: decode CFUNCT1 {
17812120Sar4jc@virginia.edu                    0x0: decode CFUNCT2LOW {
17912120Sar4jc@virginia.edu                        0x0: c_sub({{
18012120Sar4jc@virginia.edu                            Rp1 = Rp1 - Rp2;
18112120Sar4jc@virginia.edu                        }});
18212120Sar4jc@virginia.edu                        0x1: c_xor({{
18312120Sar4jc@virginia.edu                            Rp1 = Rp1 ^ Rp2;
18412120Sar4jc@virginia.edu                        }});
18512120Sar4jc@virginia.edu                        0x2: c_or({{
18612120Sar4jc@virginia.edu                            Rp1 = Rp1 | Rp2;
18712120Sar4jc@virginia.edu                        }});
18812120Sar4jc@virginia.edu                        0x3: c_and({{
18912120Sar4jc@virginia.edu                            Rp1 = Rp1 & Rp2;
19012120Sar4jc@virginia.edu                        }});
19112120Sar4jc@virginia.edu                    }
19212120Sar4jc@virginia.edu                    0x1: decode CFUNCT2LOW {
19312120Sar4jc@virginia.edu                        0x0: c_subw({{
19412120Sar4jc@virginia.edu                            Rp1_sd = (int32_t)Rp1_sd - Rp2_sw;
19512120Sar4jc@virginia.edu                        }});
19612120Sar4jc@virginia.edu                        0x1: c_addw({{
19712120Sar4jc@virginia.edu                            Rp1_sd = (int32_t)Rp1_sd + Rp2_sw;
19812120Sar4jc@virginia.edu                        }});
19912120Sar4jc@virginia.edu                    }
20012120Sar4jc@virginia.edu                }
20112120Sar4jc@virginia.edu            }
20212120Sar4jc@virginia.edu        }
20312120Sar4jc@virginia.edu        0x5: JOp::c_j({{
20412120Sar4jc@virginia.edu            int64_t offset = CJUMPIMM<3:1> << 1 |
20512120Sar4jc@virginia.edu                          CJUMPIMM<9:9> << 4 |
20612120Sar4jc@virginia.edu                          CJUMPIMM<0:0> << 5 |
20712120Sar4jc@virginia.edu                          CJUMPIMM<5:5> << 6 |
20812120Sar4jc@virginia.edu                          CJUMPIMM<4:4> << 7 |
20912120Sar4jc@virginia.edu                          CJUMPIMM<8:7> << 8 |
21012120Sar4jc@virginia.edu                          CJUMPIMM<6:6> << 10;
21112120Sar4jc@virginia.edu            if (CJUMPIMM<10:10> > 0)
21212120Sar4jc@virginia.edu                offset |= ~((int64_t)0x7FF);
21312120Sar4jc@virginia.edu            NPC = PC + offset;
21412120Sar4jc@virginia.edu        }}, IsIndirectControl, IsUncondControl, IsCall);
21512120Sar4jc@virginia.edu        format BOp {
21612120Sar4jc@virginia.edu            0x6: c_beqz({{
21712120Sar4jc@virginia.edu                int64_t offset = CIMM5<2:1> << 1 |
21812120Sar4jc@virginia.edu                                 CIMM3<1:0> << 3 |
21912120Sar4jc@virginia.edu                                 CIMM5<0:0> << 5 |
22012120Sar4jc@virginia.edu                                 CIMM5<4:3> << 6;
22112120Sar4jc@virginia.edu                if (CIMM3<2:2> > 0)
22212120Sar4jc@virginia.edu                    offset |= ~((int64_t)0xFF);
22311723Sar4jc@virginia.edu
22412120Sar4jc@virginia.edu                if (Rp1 == 0)
22512120Sar4jc@virginia.edu                    NPC = PC + offset;
22612120Sar4jc@virginia.edu                else
22712120Sar4jc@virginia.edu                    NPC = NPC;
22812120Sar4jc@virginia.edu            }}, IsDirectControl, IsCondControl);
22912120Sar4jc@virginia.edu            0x7: c_bnez({{
23012120Sar4jc@virginia.edu                int64_t offset = CIMM5<2:1> << 1 |
23112120Sar4jc@virginia.edu                                 CIMM3<1:0> << 3 |
23212120Sar4jc@virginia.edu                                 CIMM5<0:0> << 5 |
23312120Sar4jc@virginia.edu                                 CIMM5<4:3> << 6;
23412120Sar4jc@virginia.edu                if (CIMM3<2:2> > 0)
23512120Sar4jc@virginia.edu                    offset |= ~((int64_t)0xFF);
23612120Sar4jc@virginia.edu
23712120Sar4jc@virginia.edu                if (Rp1 != 0)
23812120Sar4jc@virginia.edu                    NPC = PC + offset;
23912120Sar4jc@virginia.edu                else
24012120Sar4jc@virginia.edu                    NPC = NPC;
24112120Sar4jc@virginia.edu            }}, IsDirectControl, IsCondControl);
24212120Sar4jc@virginia.edu        }
24312120Sar4jc@virginia.edu    }
24412120Sar4jc@virginia.edu    0x2: decode COPCODE {
24512120Sar4jc@virginia.edu        0x0: CUIOp::c_slli({{
24612120Sar4jc@virginia.edu            imm = CIMM5 | (CIMM1 << 5);
24712120Sar4jc@virginia.edu            assert(imm != 0);
24812120Sar4jc@virginia.edu        }}, {{
24912120Sar4jc@virginia.edu            assert(RC1 != 0);
25012120Sar4jc@virginia.edu            Rc1 = Rc1 << imm;
25112120Sar4jc@virginia.edu        }});
25212120Sar4jc@virginia.edu        format CompressedLoad {
25312120Sar4jc@virginia.edu            0x1: c_fldsp({{
25412120Sar4jc@virginia.edu                ldisp = CIMM5<4:3> << 3 |
25512120Sar4jc@virginia.edu                        CIMM1 << 5 |
25612120Sar4jc@virginia.edu                        CIMM5<2:0> << 6;
25712120Sar4jc@virginia.edu            }}, {{
25812120Sar4jc@virginia.edu                Fc1_bits = Mem;
25912120Sar4jc@virginia.edu            }}, {{
26012120Sar4jc@virginia.edu                EA = sp + ldisp;
26111725Sar4jc@virginia.edu            }});
26212120Sar4jc@virginia.edu            0x2: c_lwsp({{
26312120Sar4jc@virginia.edu                ldisp = CIMM5<4:2> << 2 |
26412120Sar4jc@virginia.edu                        CIMM1 << 5 |
26512120Sar4jc@virginia.edu                        CIMM5<1:0> << 6;
26612120Sar4jc@virginia.edu            }}, {{
26712120Sar4jc@virginia.edu                assert(RC1 != 0);
26812120Sar4jc@virginia.edu                Rc1_sd = Mem_sw;
26912120Sar4jc@virginia.edu            }}, {{
27012120Sar4jc@virginia.edu                EA = sp + ldisp;
27112120Sar4jc@virginia.edu            }});
27212120Sar4jc@virginia.edu            0x3: c_ldsp({{
27312120Sar4jc@virginia.edu                ldisp = CIMM5<4:3> << 3 |
27412120Sar4jc@virginia.edu                        CIMM1 << 5 |
27512120Sar4jc@virginia.edu                        CIMM5<2:0> << 6;
27612120Sar4jc@virginia.edu            }}, {{
27712120Sar4jc@virginia.edu                assert(RC1 != 0);
27812120Sar4jc@virginia.edu                Rc1_sd = Mem_sd;
27912120Sar4jc@virginia.edu            }}, {{
28012120Sar4jc@virginia.edu                EA = sp + ldisp;
28112120Sar4jc@virginia.edu            }});
28212120Sar4jc@virginia.edu        }
28312120Sar4jc@virginia.edu        0x4: decode CFUNCT1 {
28412120Sar4jc@virginia.edu            0x0: decode RC2 {
28512120Sar4jc@virginia.edu                0x0: Jump::c_jr({{
28612120Sar4jc@virginia.edu                    assert(RC1 != 0);
28712120Sar4jc@virginia.edu                    NPC = Rc1;
28812120Sar4jc@virginia.edu                }}, IsIndirectControl, IsUncondControl, IsCall);
28912120Sar4jc@virginia.edu                default: CROp::c_mv({{
29012120Sar4jc@virginia.edu                    assert(RC1 != 0);
29112120Sar4jc@virginia.edu                    Rc1 = Rc2;
29212120Sar4jc@virginia.edu                }});
29312120Sar4jc@virginia.edu            }
29412120Sar4jc@virginia.edu            0x1: decode RC1 {
29512120Sar4jc@virginia.edu                0x0: SystemOp::c_ebreak({{
29612120Sar4jc@virginia.edu                    assert(RC2 == 0);
29712120Sar4jc@virginia.edu                    fault = make_shared<BreakpointFault>();
29812120Sar4jc@virginia.edu                }}, IsSerializeAfter, IsNonSpeculative, No_OpClass);
29912120Sar4jc@virginia.edu                default: decode RC2 {
30012120Sar4jc@virginia.edu                    0x0: Jump::c_jalr({{
30112120Sar4jc@virginia.edu                        assert(RC1 != 0);
30212120Sar4jc@virginia.edu                        ra = NPC;
30312120Sar4jc@virginia.edu                        NPC = Rc1;
30412120Sar4jc@virginia.edu                    }}, IsIndirectControl, IsUncondControl, IsCall);
30512120Sar4jc@virginia.edu                    default: ROp::c_add({{
30612120Sar4jc@virginia.edu                        Rc1_sd = Rc1_sd + Rc2_sd;
30712120Sar4jc@virginia.edu                    }});
30812120Sar4jc@virginia.edu                }
30912120Sar4jc@virginia.edu            }
31012120Sar4jc@virginia.edu        }
31112120Sar4jc@virginia.edu        format CompressedStore {
31212120Sar4jc@virginia.edu            0x5: c_fsdsp({{
31312120Sar4jc@virginia.edu                sdisp = CIMM6<5:3> << 3 |
31412120Sar4jc@virginia.edu                        CIMM6<2:0> << 6;
31512120Sar4jc@virginia.edu            }}, {{
31612120Sar4jc@virginia.edu                Mem_ud = Fc2_bits;
31712120Sar4jc@virginia.edu            }}, {{
31812120Sar4jc@virginia.edu                EA = sp + sdisp;
31912120Sar4jc@virginia.edu            }});
32012120Sar4jc@virginia.edu            0x6: c_swsp({{
32112120Sar4jc@virginia.edu                sdisp = CIMM6<5:2> << 2 |
32212120Sar4jc@virginia.edu                        CIMM6<1:0> << 6;
32312120Sar4jc@virginia.edu            }}, {{
32412120Sar4jc@virginia.edu                Mem_uw = Rc2_uw;
32512120Sar4jc@virginia.edu            }}, {{
32612120Sar4jc@virginia.edu                EA = sp + sdisp;
32712120Sar4jc@virginia.edu            }});
32812120Sar4jc@virginia.edu            0x7: c_sdsp({{
32912120Sar4jc@virginia.edu                sdisp = CIMM6<5:3> << 3 |
33012120Sar4jc@virginia.edu                        CIMM6<2:0> << 6;
33112120Sar4jc@virginia.edu            }}, {{
33212120Sar4jc@virginia.edu                Mem = Rc2;
33312120Sar4jc@virginia.edu            }}, {{
33412120Sar4jc@virginia.edu                EA = sp + sdisp;
33511725Sar4jc@virginia.edu            }});
33611725Sar4jc@virginia.edu        }
33711725Sar4jc@virginia.edu    }
33812120Sar4jc@virginia.edu    0x3: decode OPCODE {
33912120Sar4jc@virginia.edu        0x00: decode FUNCT3 {
34012120Sar4jc@virginia.edu            format Load {
34112120Sar4jc@virginia.edu                0x0: lb({{
34212120Sar4jc@virginia.edu                    Rd_sd = Mem_sb;
34311723Sar4jc@virginia.edu                }});
34412120Sar4jc@virginia.edu                0x1: lh({{
34512120Sar4jc@virginia.edu                    Rd_sd = Mem_sh;
34611723Sar4jc@virginia.edu                }});
34712120Sar4jc@virginia.edu                0x2: lw({{
34812120Sar4jc@virginia.edu                    Rd_sd = Mem_sw;
34911723Sar4jc@virginia.edu                }});
35012120Sar4jc@virginia.edu                0x3: ld({{
35112120Sar4jc@virginia.edu                    Rd_sd = Mem_sd;
35212120Sar4jc@virginia.edu                }});
35312120Sar4jc@virginia.edu                0x4: lbu({{
35412120Sar4jc@virginia.edu                    Rd = Mem_ub;
35512120Sar4jc@virginia.edu                }});
35612120Sar4jc@virginia.edu                0x5: lhu({{
35712120Sar4jc@virginia.edu                    Rd = Mem_uh;
35812120Sar4jc@virginia.edu                }});
35912120Sar4jc@virginia.edu                0x6: lwu({{
36012120Sar4jc@virginia.edu                    Rd = Mem_uw;
36111723Sar4jc@virginia.edu                }});
36211723Sar4jc@virginia.edu            }
36311723Sar4jc@virginia.edu        }
36411723Sar4jc@virginia.edu
36512120Sar4jc@virginia.edu        0x01: decode FUNCT3 {
36612120Sar4jc@virginia.edu            format Load {
36712120Sar4jc@virginia.edu                0x2: flw({{
36812120Sar4jc@virginia.edu                    Fd_bits = (uint64_t)Mem_uw;
36912120Sar4jc@virginia.edu                }});
37012120Sar4jc@virginia.edu                0x3: fld({{
37112120Sar4jc@virginia.edu                    Fd_bits = Mem;
37212120Sar4jc@virginia.edu                }});
37311726Sar4jc@virginia.edu            }
37411726Sar4jc@virginia.edu        }
37512120Sar4jc@virginia.edu
37612120Sar4jc@virginia.edu        0x03: decode FUNCT3 {
37712120Sar4jc@virginia.edu            format IOp {
37812120Sar4jc@virginia.edu                0x0: fence({{
37912120Sar4jc@virginia.edu                }}, IsNonSpeculative, IsMemBarrier, No_OpClass);
38012120Sar4jc@virginia.edu                0x1: fence_i({{
38112120Sar4jc@virginia.edu                }}, IsNonSpeculative, IsSerializeAfter, No_OpClass);
38211726Sar4jc@virginia.edu            }
38311726Sar4jc@virginia.edu        }
38412120Sar4jc@virginia.edu
38512120Sar4jc@virginia.edu        0x04: decode FUNCT3 {
38612120Sar4jc@virginia.edu            format IOp {
38712120Sar4jc@virginia.edu                0x0: addi({{
38812120Sar4jc@virginia.edu                    Rd_sd = Rs1_sd + imm;
38911723Sar4jc@virginia.edu                }});
39012120Sar4jc@virginia.edu                0x1: slli({{
39112120Sar4jc@virginia.edu                    Rd = Rs1 << SHAMT6;
39212120Sar4jc@virginia.edu                }});
39312120Sar4jc@virginia.edu                0x2: slti({{
39412120Sar4jc@virginia.edu                    Rd = (Rs1_sd < imm) ? 1 : 0;
39512120Sar4jc@virginia.edu                }});
39612120Sar4jc@virginia.edu                0x3: sltiu({{
39712120Sar4jc@virginia.edu                    Rd = (Rs1 < (uint64_t)imm) ? 1 : 0;
39812120Sar4jc@virginia.edu                }});
39912120Sar4jc@virginia.edu                0x4: xori({{
40012120Sar4jc@virginia.edu                    Rd = Rs1 ^ (uint64_t)imm;
40112120Sar4jc@virginia.edu                }});
40212120Sar4jc@virginia.edu                0x5: decode SRTYPE {
40312120Sar4jc@virginia.edu                    0x0: srli({{
40412120Sar4jc@virginia.edu                        Rd = Rs1 >> SHAMT6;
40512120Sar4jc@virginia.edu                    }});
40612120Sar4jc@virginia.edu                    0x1: srai({{
40712120Sar4jc@virginia.edu                        Rd_sd = Rs1_sd >> SHAMT6;
40812120Sar4jc@virginia.edu                    }});
40912120Sar4jc@virginia.edu                }
41012120Sar4jc@virginia.edu                0x6: ori({{
41112120Sar4jc@virginia.edu                    Rd = Rs1 | (uint64_t)imm;
41212120Sar4jc@virginia.edu                }});
41312120Sar4jc@virginia.edu                0x7: andi({{
41412120Sar4jc@virginia.edu                    Rd = Rs1 & (uint64_t)imm;
41511723Sar4jc@virginia.edu                }});
41611723Sar4jc@virginia.edu            }
41712120Sar4jc@virginia.edu        }
41812120Sar4jc@virginia.edu
41912120Sar4jc@virginia.edu        0x05: UOp::auipc({{
42012120Sar4jc@virginia.edu            Rd = PC + imm;
42112120Sar4jc@virginia.edu        }});
42212120Sar4jc@virginia.edu
42312120Sar4jc@virginia.edu        0x06: decode FUNCT3 {
42412120Sar4jc@virginia.edu            format IOp {
42512120Sar4jc@virginia.edu                0x0: addiw({{
42612120Sar4jc@virginia.edu                    Rd_sd = (int32_t)Rs1 + (int32_t)imm;
42711723Sar4jc@virginia.edu                }});
42812120Sar4jc@virginia.edu                0x1: slliw({{
42912120Sar4jc@virginia.edu                    Rd_sd = Rs1_sw << SHAMT5;
43012120Sar4jc@virginia.edu                }});
43112120Sar4jc@virginia.edu                0x5: decode SRTYPE {
43212120Sar4jc@virginia.edu                    0x0: srliw({{
43312120Sar4jc@virginia.edu                        Rd = Rs1_uw >> SHAMT5;
43412120Sar4jc@virginia.edu                    }});
43512120Sar4jc@virginia.edu                    0x1: sraiw({{
43612120Sar4jc@virginia.edu                        Rd_sd = Rs1_sw >> SHAMT5;
43712120Sar4jc@virginia.edu                    }});
43812120Sar4jc@virginia.edu                }
43912120Sar4jc@virginia.edu            }
44012120Sar4jc@virginia.edu        }
44111724Sar4jc@virginia.edu
44212120Sar4jc@virginia.edu        0x08: decode FUNCT3 {
44312120Sar4jc@virginia.edu            format Store {
44412120Sar4jc@virginia.edu                0x0: sb({{
44512120Sar4jc@virginia.edu                    Mem_ub = Rs2_ub;
44612120Sar4jc@virginia.edu                }});
44712120Sar4jc@virginia.edu                0x1: sh({{
44812120Sar4jc@virginia.edu                    Mem_uh = Rs2_uh;
44912120Sar4jc@virginia.edu                }});
45012120Sar4jc@virginia.edu                0x2: sw({{
45112120Sar4jc@virginia.edu                    Mem_uw = Rs2_uw;
45212120Sar4jc@virginia.edu                }});
45312120Sar4jc@virginia.edu                0x3: sd({{
45412120Sar4jc@virginia.edu                    Mem_ud = Rs2_ud;
45512120Sar4jc@virginia.edu                }});
45612120Sar4jc@virginia.edu            }
45712120Sar4jc@virginia.edu        }
45811724Sar4jc@virginia.edu
45912120Sar4jc@virginia.edu        0x09: decode FUNCT3 {
46012120Sar4jc@virginia.edu            format Store {
46112120Sar4jc@virginia.edu                0x2: fsw({{
46212120Sar4jc@virginia.edu                    Mem_uw = (uint32_t)Fs2_bits;
46312120Sar4jc@virginia.edu                }});
46412120Sar4jc@virginia.edu                0x3: fsd({{
46512120Sar4jc@virginia.edu                    Mem_ud = Fs2_bits;
46612120Sar4jc@virginia.edu                }});
46712120Sar4jc@virginia.edu            }
46812120Sar4jc@virginia.edu        }
46911724Sar4jc@virginia.edu
47012120Sar4jc@virginia.edu        0x0b: decode FUNCT3 {
47112120Sar4jc@virginia.edu            0x2: decode AMOFUNCT {
47212120Sar4jc@virginia.edu                0x2: LoadReserved::lr_w({{
47312120Sar4jc@virginia.edu                    Rd_sd = Mem_sw;
47412120Sar4jc@virginia.edu                }}, mem_flags=LLSC);
47512120Sar4jc@virginia.edu                0x3: StoreCond::sc_w({{
47612120Sar4jc@virginia.edu                    Mem_uw = Rs2_uw;
47712120Sar4jc@virginia.edu                }}, {{
47812120Sar4jc@virginia.edu                    Rd = result;
47912120Sar4jc@virginia.edu                }}, inst_flags=IsStoreConditional, mem_flags=LLSC);
48012120Sar4jc@virginia.edu                format AtomicMemOp {
48112120Sar4jc@virginia.edu                    0x0: amoadd_w({{Rt_sd = Mem_sw;}}, {{
48212120Sar4jc@virginia.edu                        Mem_sw = Rs2_sw + Rt_sd;
48312120Sar4jc@virginia.edu                        Rd_sd = Rt_sd;
48412120Sar4jc@virginia.edu                    }}, {{EA = Rs1;}});
48512120Sar4jc@virginia.edu                    0x1: amoswap_w({{Rt_sd = Mem_sw;}}, {{
48612120Sar4jc@virginia.edu                        Mem_sw = Rs2_uw;
48712120Sar4jc@virginia.edu                        Rd_sd = Rt_sd;
48812120Sar4jc@virginia.edu                    }}, {{EA = Rs1;}});
48912120Sar4jc@virginia.edu                    0x4: amoxor_w({{Rt_sd = Mem_sw;}}, {{
49012120Sar4jc@virginia.edu                        Mem_sw = Rs2_uw^Rt_sd;
49112120Sar4jc@virginia.edu                        Rd_sd = Rt_sd;
49212120Sar4jc@virginia.edu                    }}, {{EA = Rs1;}});
49312120Sar4jc@virginia.edu                    0x8: amoor_w({{Rt_sd = Mem_sw;}}, {{
49412120Sar4jc@virginia.edu                        Mem_sw = Rs2_uw | Rt_sd;
49512120Sar4jc@virginia.edu                        Rd_sd = Rt_sd;
49612120Sar4jc@virginia.edu                    }}, {{EA = Rs1;}});
49712120Sar4jc@virginia.edu                    0xc: amoand_w({{Rt_sd = Mem_sw;}}, {{
49812120Sar4jc@virginia.edu                        Mem_sw = Rs2_uw&Rt_sd;
49912120Sar4jc@virginia.edu                        Rd_sd = Rt_sd;
50012120Sar4jc@virginia.edu                    }}, {{EA = Rs1;}});
50112120Sar4jc@virginia.edu                    0x10: amomin_w({{Rt_sd = Mem_sw;}}, {{
50212120Sar4jc@virginia.edu                        Mem_sw = min<int32_t>(Rs2_sw, Rt_sd);
50312120Sar4jc@virginia.edu                        Rd_sd = Rt_sd;
50412120Sar4jc@virginia.edu                    }}, {{EA = Rs1;}});
50512120Sar4jc@virginia.edu                    0x14: amomax_w({{Rt_sd = Mem_sw;}}, {{
50612120Sar4jc@virginia.edu                        Mem_sw = max<int32_t>(Rs2_sw, Rt_sd);
50712120Sar4jc@virginia.edu                        Rd_sd = Rt_sd;
50812120Sar4jc@virginia.edu                    }}, {{EA = Rs1;}});
50912120Sar4jc@virginia.edu                    0x18: amominu_w({{Rt_sd = Mem_sw;}}, {{
51012120Sar4jc@virginia.edu                        Mem_sw = min<uint32_t>(Rs2_uw, Rt_sd);
51112120Sar4jc@virginia.edu                        Rd_sd = Rt_sd;
51212120Sar4jc@virginia.edu                    }}, {{EA = Rs1;}});
51312120Sar4jc@virginia.edu                    0x1c: amomaxu_w({{Rt_sd = Mem_sw;}}, {{
51412120Sar4jc@virginia.edu                        Mem_sw = max<uint32_t>(Rs2_uw, Rt_sd);
51512120Sar4jc@virginia.edu                        Rd_sd = Rt_sd;
51612120Sar4jc@virginia.edu                    }}, {{EA = Rs1;}});
51712120Sar4jc@virginia.edu                }
51811723Sar4jc@virginia.edu            }
51912120Sar4jc@virginia.edu            0x3: decode AMOFUNCT {
52012120Sar4jc@virginia.edu                0x2: LoadReserved::lr_d({{
52112120Sar4jc@virginia.edu                    Rd_sd = Mem_sd;
52212120Sar4jc@virginia.edu                }}, mem_flags=LLSC);
52312120Sar4jc@virginia.edu                0x3: StoreCond::sc_d({{
52412120Sar4jc@virginia.edu                    Mem = Rs2;
52512120Sar4jc@virginia.edu                }}, {{
52612120Sar4jc@virginia.edu                    Rd = result;
52712120Sar4jc@virginia.edu                }}, mem_flags=LLSC, inst_flags=IsStoreConditional);
52812120Sar4jc@virginia.edu                format AtomicMemOp {
52912120Sar4jc@virginia.edu                    0x0: amoadd_d({{Rt_sd = Mem_sd;}}, {{
53012120Sar4jc@virginia.edu                        Mem_sd = Rs2_sd + Rt_sd;
53112120Sar4jc@virginia.edu                        Rd_sd = Rt_sd;
53212120Sar4jc@virginia.edu                    }}, {{EA = Rs1;}});
53312120Sar4jc@virginia.edu                    0x1: amoswap_d({{Rt = Mem;}}, {{
53412120Sar4jc@virginia.edu                        Mem = Rs2;
53512120Sar4jc@virginia.edu                        Rd = Rt;
53612120Sar4jc@virginia.edu                    }}, {{EA = Rs1;}});
53712120Sar4jc@virginia.edu                    0x4: amoxor_d({{Rt = Mem;}}, {{
53812120Sar4jc@virginia.edu                        Mem = Rs2^Rt;
53912120Sar4jc@virginia.edu                        Rd = Rt;
54012120Sar4jc@virginia.edu                    }}, {{EA = Rs1;}});
54112120Sar4jc@virginia.edu                    0x8: amoor_d({{Rt = Mem;}}, {{
54212120Sar4jc@virginia.edu                        Mem = Rs2 | Rt;
54312120Sar4jc@virginia.edu                        Rd = Rt;
54412120Sar4jc@virginia.edu                    }}, {{EA = Rs1;}});
54512120Sar4jc@virginia.edu                    0xc: amoand_d({{Rt = Mem;}}, {{
54612120Sar4jc@virginia.edu                        Mem = Rs2&Rt;
54712120Sar4jc@virginia.edu                        Rd = Rt;
54812120Sar4jc@virginia.edu                    }}, {{EA = Rs1;}});
54912120Sar4jc@virginia.edu                    0x10: amomin_d({{Rt_sd = Mem_sd;}}, {{
55012120Sar4jc@virginia.edu                        Mem_sd = min(Rs2_sd, Rt_sd);
55112120Sar4jc@virginia.edu                        Rd_sd = Rt_sd;
55212120Sar4jc@virginia.edu                    }}, {{EA = Rs1;}});
55312120Sar4jc@virginia.edu                    0x14: amomax_d({{Rt_sd = Mem_sd;}}, {{
55412120Sar4jc@virginia.edu                        Mem_sd = max(Rs2_sd, Rt_sd);
55512120Sar4jc@virginia.edu                        Rd_sd = Rt_sd;
55612120Sar4jc@virginia.edu                    }}, {{EA = Rs1;}});
55712120Sar4jc@virginia.edu                    0x18: amominu_d({{Rt = Mem;}}, {{
55812120Sar4jc@virginia.edu                        Mem = min(Rs2, Rt);
55912120Sar4jc@virginia.edu                        Rd = Rt;
56012120Sar4jc@virginia.edu                    }}, {{EA = Rs1;}});
56112120Sar4jc@virginia.edu                    0x1c: amomaxu_d({{Rt = Mem;}}, {{
56212120Sar4jc@virginia.edu                        Mem = max(Rs2, Rt);
56312120Sar4jc@virginia.edu                        Rd = Rt;
56412120Sar4jc@virginia.edu                    }}, {{EA = Rs1;}});
56512120Sar4jc@virginia.edu                }
56612120Sar4jc@virginia.edu            }
56712120Sar4jc@virginia.edu        }
56812120Sar4jc@virginia.edu        0x0c: decode FUNCT3 {
56912120Sar4jc@virginia.edu            format ROp {
57012120Sar4jc@virginia.edu                0x0: decode FUNCT7 {
57112120Sar4jc@virginia.edu                    0x0: add({{
57212120Sar4jc@virginia.edu                        Rd = Rs1_sd + Rs2_sd;
57312120Sar4jc@virginia.edu                    }});
57412120Sar4jc@virginia.edu                    0x1: mul({{
57512120Sar4jc@virginia.edu                        Rd = Rs1_sd*Rs2_sd;
57612120Sar4jc@virginia.edu                    }}, IntMultOp);
57712120Sar4jc@virginia.edu                    0x20: sub({{
57812120Sar4jc@virginia.edu                        Rd = Rs1_sd - Rs2_sd;
57912120Sar4jc@virginia.edu                    }});
58012120Sar4jc@virginia.edu                }
58112120Sar4jc@virginia.edu                0x1: decode FUNCT7 {
58212120Sar4jc@virginia.edu                    0x0: sll({{
58312120Sar4jc@virginia.edu                        Rd = Rs1 << Rs2<5:0>;
58412120Sar4jc@virginia.edu                    }});
58512120Sar4jc@virginia.edu                    0x1: mulh({{
58612120Sar4jc@virginia.edu                        bool negate = (Rs1_sd < 0) != (Rs2_sd < 0);
58712120Sar4jc@virginia.edu
58812120Sar4jc@virginia.edu                        uint64_t Rs1_lo = (uint32_t)abs(Rs1_sd);
58912120Sar4jc@virginia.edu                        uint64_t Rs1_hi = (uint64_t)abs(Rs1_sd) >> 32;
59012120Sar4jc@virginia.edu                        uint64_t Rs2_lo = (uint32_t)abs(Rs2_sd);
59112120Sar4jc@virginia.edu                        uint64_t Rs2_hi = (uint64_t)abs(Rs2_sd) >> 32;
59212120Sar4jc@virginia.edu
59312120Sar4jc@virginia.edu                        uint64_t hi = Rs1_hi*Rs2_hi;
59412120Sar4jc@virginia.edu                        uint64_t mid1 = Rs1_hi*Rs2_lo;
59512120Sar4jc@virginia.edu                        uint64_t mid2 = Rs1_lo*Rs2_hi;
59612120Sar4jc@virginia.edu                        uint64_t lo = Rs2_lo*Rs1_lo;
59712120Sar4jc@virginia.edu                        uint64_t carry = ((uint64_t)(uint32_t)mid1
59812120Sar4jc@virginia.edu                                + (uint64_t)(uint32_t)mid2 + (lo >> 32)) >> 32;
59912120Sar4jc@virginia.edu
60012120Sar4jc@virginia.edu                        uint64_t res = hi +
60112120Sar4jc@virginia.edu                                       (mid1 >> 32) +
60212120Sar4jc@virginia.edu                                       (mid2 >> 32) +
60312120Sar4jc@virginia.edu                                       carry;
60412120Sar4jc@virginia.edu                        Rd = negate ? ~res + (Rs1_sd*Rs2_sd == 0 ? 1 : 0)
60512120Sar4jc@virginia.edu                                    : res;
60612120Sar4jc@virginia.edu                    }}, IntMultOp);
60712120Sar4jc@virginia.edu                }
60812120Sar4jc@virginia.edu                0x2: decode FUNCT7 {
60912120Sar4jc@virginia.edu                    0x0: slt({{
61012120Sar4jc@virginia.edu                        Rd = (Rs1_sd < Rs2_sd) ? 1 : 0;
61112120Sar4jc@virginia.edu                    }});
61212120Sar4jc@virginia.edu                    0x1: mulhsu({{
61312120Sar4jc@virginia.edu                        bool negate = Rs1_sd < 0;
61412120Sar4jc@virginia.edu                        uint64_t Rs1_lo = (uint32_t)abs(Rs1_sd);
61512120Sar4jc@virginia.edu                        uint64_t Rs1_hi = (uint64_t)abs(Rs1_sd) >> 32;
61612120Sar4jc@virginia.edu                        uint64_t Rs2_lo = (uint32_t)Rs2;
61712120Sar4jc@virginia.edu                        uint64_t Rs2_hi = Rs2 >> 32;
61812120Sar4jc@virginia.edu
61912120Sar4jc@virginia.edu                        uint64_t hi = Rs1_hi*Rs2_hi;
62012120Sar4jc@virginia.edu                        uint64_t mid1 = Rs1_hi*Rs2_lo;
62112120Sar4jc@virginia.edu                        uint64_t mid2 = Rs1_lo*Rs2_hi;
62212120Sar4jc@virginia.edu                        uint64_t lo = Rs1_lo*Rs2_lo;
62312120Sar4jc@virginia.edu                        uint64_t carry = ((uint64_t)(uint32_t)mid1
62412120Sar4jc@virginia.edu                                + (uint64_t)(uint32_t)mid2 + (lo >> 32)) >> 32;
62512120Sar4jc@virginia.edu
62612120Sar4jc@virginia.edu                        uint64_t res = hi +
62712120Sar4jc@virginia.edu                                       (mid1 >> 32) +
62812120Sar4jc@virginia.edu                                       (mid2 >> 32) +
62912120Sar4jc@virginia.edu                                       carry;
63012120Sar4jc@virginia.edu                        Rd = negate ? ~res + (Rs1_sd*Rs2 == 0 ? 1 : 0) : res;
63112120Sar4jc@virginia.edu                    }}, IntMultOp);
63212120Sar4jc@virginia.edu                }
63312120Sar4jc@virginia.edu                0x3: decode FUNCT7 {
63412120Sar4jc@virginia.edu                    0x0: sltu({{
63512120Sar4jc@virginia.edu                        Rd = (Rs1 < Rs2) ? 1 : 0;
63612120Sar4jc@virginia.edu                    }});
63712120Sar4jc@virginia.edu                    0x1: mulhu({{
63812120Sar4jc@virginia.edu                        uint64_t Rs1_lo = (uint32_t)Rs1;
63912120Sar4jc@virginia.edu                        uint64_t Rs1_hi = Rs1 >> 32;
64012120Sar4jc@virginia.edu                        uint64_t Rs2_lo = (uint32_t)Rs2;
64112120Sar4jc@virginia.edu                        uint64_t Rs2_hi = Rs2 >> 32;
64212120Sar4jc@virginia.edu
64312120Sar4jc@virginia.edu                        uint64_t hi = Rs1_hi*Rs2_hi;
64412120Sar4jc@virginia.edu                        uint64_t mid1 = Rs1_hi*Rs2_lo;
64512120Sar4jc@virginia.edu                        uint64_t mid2 = Rs1_lo*Rs2_hi;
64612120Sar4jc@virginia.edu                        uint64_t lo = Rs1_lo*Rs2_lo;
64712120Sar4jc@virginia.edu                        uint64_t carry = ((uint64_t)(uint32_t)mid1
64812120Sar4jc@virginia.edu                                + (uint64_t)(uint32_t)mid2 + (lo >> 32)) >> 32;
64912120Sar4jc@virginia.edu
65012120Sar4jc@virginia.edu                        Rd = hi + (mid1 >> 32) + (mid2 >> 32) + carry;
65112120Sar4jc@virginia.edu                    }}, IntMultOp);
65212120Sar4jc@virginia.edu                }
65312120Sar4jc@virginia.edu                0x4: decode FUNCT7 {
65412120Sar4jc@virginia.edu                    0x0: xor({{
65512120Sar4jc@virginia.edu                        Rd = Rs1 ^ Rs2;
65612120Sar4jc@virginia.edu                    }});
65712120Sar4jc@virginia.edu                    0x1: div({{
65812120Sar4jc@virginia.edu                        if (Rs2_sd == 0) {
65912120Sar4jc@virginia.edu                            Rd_sd = -1;
66012120Sar4jc@virginia.edu                        } else if (Rs1_sd == numeric_limits<int64_t>::min()
66112120Sar4jc@virginia.edu                                && Rs2_sd == -1) {
66212120Sar4jc@virginia.edu                            Rd_sd = numeric_limits<int64_t>::min();
66312120Sar4jc@virginia.edu                        } else {
66412120Sar4jc@virginia.edu                            Rd_sd = Rs1_sd/Rs2_sd;
66512120Sar4jc@virginia.edu                        }
66612120Sar4jc@virginia.edu                    }}, IntDivOp);
66712120Sar4jc@virginia.edu                }
66812120Sar4jc@virginia.edu                0x5: decode FUNCT7 {
66912120Sar4jc@virginia.edu                    0x0: srl({{
67012120Sar4jc@virginia.edu                        Rd = Rs1 >> Rs2<5:0>;
67112120Sar4jc@virginia.edu                    }});
67212120Sar4jc@virginia.edu                    0x1: divu({{
67312120Sar4jc@virginia.edu                        if (Rs2 == 0) {
67412120Sar4jc@virginia.edu                            Rd = numeric_limits<uint64_t>::max();
67512120Sar4jc@virginia.edu                        } else {
67612120Sar4jc@virginia.edu                            Rd = Rs1/Rs2;
67712120Sar4jc@virginia.edu                        }
67812120Sar4jc@virginia.edu                    }}, IntDivOp);
67912120Sar4jc@virginia.edu                    0x20: sra({{
68012120Sar4jc@virginia.edu                        Rd_sd = Rs1_sd >> Rs2<5:0>;
68112120Sar4jc@virginia.edu                    }});
68212120Sar4jc@virginia.edu                }
68312120Sar4jc@virginia.edu                0x6: decode FUNCT7 {
68412120Sar4jc@virginia.edu                    0x0: or({{
68512120Sar4jc@virginia.edu                        Rd = Rs1 | Rs2;
68612120Sar4jc@virginia.edu                    }});
68712120Sar4jc@virginia.edu                    0x1: rem({{
68812120Sar4jc@virginia.edu                        if (Rs2_sd == 0) {
68912120Sar4jc@virginia.edu                            Rd = Rs1_sd;
69012120Sar4jc@virginia.edu                        } else if (Rs1_sd == numeric_limits<int64_t>::min()
69112120Sar4jc@virginia.edu                                && Rs2_sd == -1) {
69212120Sar4jc@virginia.edu                            Rd = 0;
69312120Sar4jc@virginia.edu                        } else {
69412120Sar4jc@virginia.edu                            Rd = Rs1_sd%Rs2_sd;
69512120Sar4jc@virginia.edu                        }
69612120Sar4jc@virginia.edu                    }}, IntDivOp);
69712120Sar4jc@virginia.edu                }
69812120Sar4jc@virginia.edu                0x7: decode FUNCT7 {
69912120Sar4jc@virginia.edu                    0x0: and({{
70012120Sar4jc@virginia.edu                        Rd = Rs1 & Rs2;
70112120Sar4jc@virginia.edu                    }});
70212120Sar4jc@virginia.edu                    0x1: remu({{
70312120Sar4jc@virginia.edu                        if (Rs2 == 0) {
70412120Sar4jc@virginia.edu                            Rd = Rs1;
70512120Sar4jc@virginia.edu                        } else {
70612120Sar4jc@virginia.edu                            Rd = Rs1%Rs2;
70712120Sar4jc@virginia.edu                        }
70812120Sar4jc@virginia.edu                    }}, IntDivOp);
70912120Sar4jc@virginia.edu                }
71012120Sar4jc@virginia.edu            }
71112120Sar4jc@virginia.edu        }
71212120Sar4jc@virginia.edu
71312120Sar4jc@virginia.edu        0x0d: UOp::lui({{
71412120Sar4jc@virginia.edu            Rd = (uint64_t)imm;
71512120Sar4jc@virginia.edu        }});
71612120Sar4jc@virginia.edu
71712120Sar4jc@virginia.edu        0x0e: decode FUNCT3 {
71812120Sar4jc@virginia.edu            format ROp {
71912120Sar4jc@virginia.edu                0x0: decode FUNCT7 {
72012120Sar4jc@virginia.edu                    0x0: addw({{
72112120Sar4jc@virginia.edu                        Rd_sd = Rs1_sw + Rs2_sw;
72212120Sar4jc@virginia.edu                    }});
72312120Sar4jc@virginia.edu                    0x1: mulw({{
72412120Sar4jc@virginia.edu                        Rd_sd = (int32_t)(Rs1_sw*Rs2_sw);
72512120Sar4jc@virginia.edu                    }}, IntMultOp);
72612120Sar4jc@virginia.edu                    0x20: subw({{
72712120Sar4jc@virginia.edu                        Rd_sd = Rs1_sw - Rs2_sw;
72812120Sar4jc@virginia.edu                    }});
72912120Sar4jc@virginia.edu                }
73012120Sar4jc@virginia.edu                0x1: sllw({{
73112120Sar4jc@virginia.edu                    Rd_sd = Rs1_sw << Rs2<4:0>;
73211723Sar4jc@virginia.edu                }});
73312120Sar4jc@virginia.edu                0x4: divw({{
73412120Sar4jc@virginia.edu                    if (Rs2_sw == 0) {
73511724Sar4jc@virginia.edu                        Rd_sd = -1;
73612120Sar4jc@virginia.edu                    } else if (Rs1_sw == numeric_limits<int32_t>::min()
73712120Sar4jc@virginia.edu                            && Rs2_sw == -1) {
73812120Sar4jc@virginia.edu                        Rd_sd = numeric_limits<int32_t>::min();
73911724Sar4jc@virginia.edu                    } else {
74012120Sar4jc@virginia.edu                        Rd_sd = Rs1_sw/Rs2_sw;
74111724Sar4jc@virginia.edu                    }
74211724Sar4jc@virginia.edu                }}, IntDivOp);
74312120Sar4jc@virginia.edu                0x5: decode FUNCT7 {
74412120Sar4jc@virginia.edu                    0x0: srlw({{
74512120Sar4jc@virginia.edu                        Rd_uw = Rs1_uw >> Rs2<4:0>;
74612120Sar4jc@virginia.edu                    }});
74712120Sar4jc@virginia.edu                    0x1: divuw({{
74812120Sar4jc@virginia.edu                        if (Rs2_uw == 0) {
74912120Sar4jc@virginia.edu                            Rd_sd = numeric_limits<IntReg>::max();
75012120Sar4jc@virginia.edu                        } else {
75112120Sar4jc@virginia.edu                            Rd_sd = (int32_t)(Rs1_uw/Rs2_uw);
75212120Sar4jc@virginia.edu                        }
75312120Sar4jc@virginia.edu                    }}, IntDivOp);
75412120Sar4jc@virginia.edu                    0x20: sraw({{
75512120Sar4jc@virginia.edu                        Rd_sd = Rs1_sw >> Rs2<4:0>;
75612120Sar4jc@virginia.edu                    }});
75712120Sar4jc@virginia.edu                }
75812120Sar4jc@virginia.edu                0x6: remw({{
75912120Sar4jc@virginia.edu                    if (Rs2_sw == 0) {
76012120Sar4jc@virginia.edu                        Rd_sd = Rs1_sw;
76112120Sar4jc@virginia.edu                    } else if (Rs1_sw == numeric_limits<int32_t>::min()
76212120Sar4jc@virginia.edu                            && Rs2_sw == -1) {
76312120Sar4jc@virginia.edu                        Rd_sd = 0;
76411724Sar4jc@virginia.edu                    } else {
76512120Sar4jc@virginia.edu                        Rd_sd = Rs1_sw%Rs2_sw;
76611724Sar4jc@virginia.edu                    }
76711724Sar4jc@virginia.edu                }}, IntDivOp);
76812120Sar4jc@virginia.edu                0x7: remuw({{
76912120Sar4jc@virginia.edu                    if (Rs2_uw == 0) {
77012120Sar4jc@virginia.edu                        Rd_sd = (int32_t)Rs1_uw;
77111724Sar4jc@virginia.edu                    } else {
77212120Sar4jc@virginia.edu                        Rd_sd = (int32_t)(Rs1_uw%Rs2_uw);
77311724Sar4jc@virginia.edu                    }
77411724Sar4jc@virginia.edu                }}, IntDivOp);
77511723Sar4jc@virginia.edu            }
77611723Sar4jc@virginia.edu        }
77711723Sar4jc@virginia.edu
77812120Sar4jc@virginia.edu        format FPROp {
77912120Sar4jc@virginia.edu            0x10: decode FUNCT2 {
78012120Sar4jc@virginia.edu                0x0: fmadd_s({{
78112120Sar4jc@virginia.edu                    uint32_t temp;
78212120Sar4jc@virginia.edu                    float fs1 = reinterpret_cast<float&>(temp = Fs1_bits);
78312120Sar4jc@virginia.edu                    float fs2 = reinterpret_cast<float&>(temp = Fs2_bits);
78412120Sar4jc@virginia.edu                    float fs3 = reinterpret_cast<float&>(temp = Fs3_bits);
78512120Sar4jc@virginia.edu                    float fd;
78611723Sar4jc@virginia.edu
78712138Sgabeblack@google.com                    if (std::isnan(fs1) || std::isnan(fs2) ||
78812138Sgabeblack@google.com                            std::isnan(fs3)) {
78912120Sar4jc@virginia.edu                        if (issignalingnan(fs1) || issignalingnan(fs2)
79012120Sar4jc@virginia.edu                                || issignalingnan(fs3)) {
79112120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
79212120Sar4jc@virginia.edu                        }
79312120Sar4jc@virginia.edu                        fd = numeric_limits<float>::quiet_NaN();
79412138Sgabeblack@google.com                    } else if (std::isinf(fs1) || std::isinf(fs2) ||
79512138Sgabeblack@google.com                            std::isinf(fs3)) {
79612120Sar4jc@virginia.edu                        if (signbit(fs1) == signbit(fs2)
79712138Sgabeblack@google.com                                && !std::isinf(fs3)) {
79812120Sar4jc@virginia.edu                            fd = numeric_limits<float>::infinity();
79912120Sar4jc@virginia.edu                        } else if (signbit(fs1) != signbit(fs2)
80012138Sgabeblack@google.com                                && !std::isinf(fs3)) {
80112120Sar4jc@virginia.edu                            fd = -numeric_limits<float>::infinity();
80212120Sar4jc@virginia.edu                        } else { // Fs3_sf is infinity
80312120Sar4jc@virginia.edu                            fd = fs3;
80412120Sar4jc@virginia.edu                        }
80512120Sar4jc@virginia.edu                    } else {
80612120Sar4jc@virginia.edu                        fd = fs1*fs2 + fs3;
80712120Sar4jc@virginia.edu                    }
80812120Sar4jc@virginia.edu                    Fd_bits = (uint64_t)reinterpret_cast<uint32_t&>(fd);
80912120Sar4jc@virginia.edu                }}, FloatMultOp);
81012120Sar4jc@virginia.edu                0x1: fmadd_d({{
81112138Sgabeblack@google.com                    if (std::isnan(Fs1) || std::isnan(Fs2) ||
81212138Sgabeblack@google.com                            std::isnan(Fs3)) {
81312120Sar4jc@virginia.edu                        if (issignalingnan(Fs1) || issignalingnan(Fs2)
81412120Sar4jc@virginia.edu                                || issignalingnan(Fs3)) {
81512120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
81612120Sar4jc@virginia.edu                        }
81712120Sar4jc@virginia.edu                        Fd = numeric_limits<double>::quiet_NaN();
81812138Sgabeblack@google.com                    } else if (std::isinf(Fs1) || std::isinf(Fs2) ||
81912138Sgabeblack@google.com                            std::isinf(Fs3)) {
82012120Sar4jc@virginia.edu                        if (signbit(Fs1) == signbit(Fs2)
82112138Sgabeblack@google.com                                && !std::isinf(Fs3)) {
82212120Sar4jc@virginia.edu                            Fd = numeric_limits<double>::infinity();
82312120Sar4jc@virginia.edu                        } else if (signbit(Fs1) != signbit(Fs2)
82412138Sgabeblack@google.com                                && !std::isinf(Fs3)) {
82512120Sar4jc@virginia.edu                            Fd = -numeric_limits<double>::infinity();
82612120Sar4jc@virginia.edu                        } else {
82712120Sar4jc@virginia.edu                            Fd = Fs3;
82812120Sar4jc@virginia.edu                        }
82912120Sar4jc@virginia.edu                    } else {
83012120Sar4jc@virginia.edu                        Fd = Fs1*Fs2 + Fs3;
83112120Sar4jc@virginia.edu                    }
83212120Sar4jc@virginia.edu                }}, FloatMultOp);
83311723Sar4jc@virginia.edu            }
83412120Sar4jc@virginia.edu            0x11: decode FUNCT2 {
83512120Sar4jc@virginia.edu                0x0: fmsub_s({{
83612120Sar4jc@virginia.edu                    uint32_t temp;
83712120Sar4jc@virginia.edu                    float fs1 = reinterpret_cast<float&>(temp = Fs1_bits);
83812120Sar4jc@virginia.edu                    float fs2 = reinterpret_cast<float&>(temp = Fs2_bits);
83912120Sar4jc@virginia.edu                    float fs3 = reinterpret_cast<float&>(temp = Fs3_bits);
84012120Sar4jc@virginia.edu                    float fd;
84112120Sar4jc@virginia.edu
84212138Sgabeblack@google.com                    if (std::isnan(fs1) || std::isnan(fs2) ||
84312138Sgabeblack@google.com                            std::isnan(fs3)) {
84412120Sar4jc@virginia.edu                        if (issignalingnan(fs1) || issignalingnan(fs2)
84512120Sar4jc@virginia.edu                                || issignalingnan(fs3)) {
84612120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
84712120Sar4jc@virginia.edu                        }
84812120Sar4jc@virginia.edu                        fd = numeric_limits<float>::quiet_NaN();
84912138Sgabeblack@google.com                    } else if (std::isinf(fs1) || std::isinf(fs2) ||
85012138Sgabeblack@google.com                            std::isinf(fs3)) {
85112120Sar4jc@virginia.edu                        if (signbit(fs1) == signbit(fs2)
85212138Sgabeblack@google.com                                && !std::isinf(fs3)) {
85312120Sar4jc@virginia.edu                            fd = numeric_limits<float>::infinity();
85412120Sar4jc@virginia.edu                        } else if (signbit(fs1) != signbit(fs2)
85512138Sgabeblack@google.com                                && !std::isinf(fs3)) {
85612120Sar4jc@virginia.edu                            fd = -numeric_limits<float>::infinity();
85712120Sar4jc@virginia.edu                        } else { // Fs3_sf is infinity
85812120Sar4jc@virginia.edu                            fd = -fs3;
85912120Sar4jc@virginia.edu                        }
86011724Sar4jc@virginia.edu                    } else {
86112120Sar4jc@virginia.edu                        fd = fs1*fs2 - fs3;
86211724Sar4jc@virginia.edu                    }
86312120Sar4jc@virginia.edu                    Fd_bits = (uint64_t)reinterpret_cast<uint32_t&>(fd);
86412120Sar4jc@virginia.edu                }}, FloatMultOp);
86512120Sar4jc@virginia.edu                0x1: fmsub_d({{
86612138Sgabeblack@google.com                    if (std::isnan(Fs1) || std::isnan(Fs2) ||
86712138Sgabeblack@google.com                            std::isnan(Fs3)) {
86812120Sar4jc@virginia.edu                        if (issignalingnan(Fs1) || issignalingnan(Fs2)
86912120Sar4jc@virginia.edu                                || issignalingnan(Fs3)) {
87012120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
87112120Sar4jc@virginia.edu                        }
87212120Sar4jc@virginia.edu                        Fd = numeric_limits<double>::quiet_NaN();
87312138Sgabeblack@google.com                    } else if (std::isinf(Fs1) || std::isinf(Fs2) ||
87412138Sgabeblack@google.com                            std::isinf(Fs3)) {
87512120Sar4jc@virginia.edu                        if (signbit(Fs1) == signbit(Fs2)
87612138Sgabeblack@google.com                                && !std::isinf(Fs3)) {
87712120Sar4jc@virginia.edu                            Fd = numeric_limits<double>::infinity();
87812120Sar4jc@virginia.edu                        } else if (signbit(Fs1) != signbit(Fs2)
87912138Sgabeblack@google.com                                && !std::isinf(Fs3)) {
88012120Sar4jc@virginia.edu                            Fd = -numeric_limits<double>::infinity();
88112120Sar4jc@virginia.edu                        } else {
88212120Sar4jc@virginia.edu                            Fd = -Fs3;
88312120Sar4jc@virginia.edu                        }
88412120Sar4jc@virginia.edu                    } else {
88512120Sar4jc@virginia.edu                        Fd = Fs1*Fs2 - Fs3;
88612120Sar4jc@virginia.edu                    }
88712120Sar4jc@virginia.edu                }}, FloatMultOp);
88811723Sar4jc@virginia.edu            }
88912120Sar4jc@virginia.edu            0x12: decode FUNCT2 {
89012120Sar4jc@virginia.edu                0x0: fnmsub_s({{
89112120Sar4jc@virginia.edu                    uint32_t temp;
89212120Sar4jc@virginia.edu                    float fs1 = reinterpret_cast<float&>(temp = Fs1_bits);
89312120Sar4jc@virginia.edu                    float fs2 = reinterpret_cast<float&>(temp = Fs2_bits);
89412120Sar4jc@virginia.edu                    float fs3 = reinterpret_cast<float&>(temp = Fs3_bits);
89512120Sar4jc@virginia.edu                    float fd;
89611723Sar4jc@virginia.edu
89712138Sgabeblack@google.com                    if (std::isnan(fs1) || std::isnan(fs2) ||
89812138Sgabeblack@google.com                            std::isnan(fs3)) {
89912120Sar4jc@virginia.edu                        if (issignalingnan(fs1) || issignalingnan(fs2)
90012120Sar4jc@virginia.edu                                || issignalingnan(fs3)) {
90112120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
90212120Sar4jc@virginia.edu                        }
90312120Sar4jc@virginia.edu                        fd = numeric_limits<float>::quiet_NaN();
90412138Sgabeblack@google.com                    } else if (std::isinf(fs1) || std::isinf(fs2) ||
90512138Sgabeblack@google.com                            std::isinf(fs3)) {
90612120Sar4jc@virginia.edu                        if (signbit(fs1) == signbit(fs2)
90712138Sgabeblack@google.com                                && !std::isinf(fs3)) {
90812120Sar4jc@virginia.edu                            fd = -numeric_limits<float>::infinity();
90912120Sar4jc@virginia.edu                        } else if (signbit(fs1) != signbit(fs2)
91012138Sgabeblack@google.com                                && !std::isinf(fs3)) {
91112120Sar4jc@virginia.edu                            fd = numeric_limits<float>::infinity();
91212120Sar4jc@virginia.edu                        } else { // Fs3_sf is infinity
91312120Sar4jc@virginia.edu                            fd = fs3;
91412120Sar4jc@virginia.edu                        }
91512120Sar4jc@virginia.edu                    } else {
91612120Sar4jc@virginia.edu                        fd = -(fs1*fs2 - fs3);
91712120Sar4jc@virginia.edu                    }
91812120Sar4jc@virginia.edu                    Fd_bits = (uint64_t)reinterpret_cast<uint32_t&>(fd);
91912120Sar4jc@virginia.edu                }}, FloatMultOp);
92012120Sar4jc@virginia.edu                0x1: fnmsub_d({{
92112138Sgabeblack@google.com                    if (std::isnan(Fs1) || std::isnan(Fs2) ||
92212138Sgabeblack@google.com                            std::isnan(Fs3)) {
92312120Sar4jc@virginia.edu                        if (issignalingnan(Fs1) || issignalingnan(Fs2)
92412120Sar4jc@virginia.edu                                || issignalingnan(Fs3)) {
92512120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
92612120Sar4jc@virginia.edu                        }
92712120Sar4jc@virginia.edu                        Fd = numeric_limits<double>::quiet_NaN();
92812138Sgabeblack@google.com                    } else if (std::isinf(Fs1) || std::isinf(Fs2)
92912138Sgabeblack@google.com                            || std::isinf(Fs3)) {
93012120Sar4jc@virginia.edu                        if (signbit(Fs1) == signbit(Fs2)
93112138Sgabeblack@google.com                                && !std::isinf(Fs3)) {
93212120Sar4jc@virginia.edu                            Fd = -numeric_limits<double>::infinity();
93312120Sar4jc@virginia.edu                        } else if (signbit(Fs1) != signbit(Fs2)
93412138Sgabeblack@google.com                                && !std::isinf(Fs3)) {
93512120Sar4jc@virginia.edu                            Fd = numeric_limits<double>::infinity();
93612120Sar4jc@virginia.edu                        } else {
93712120Sar4jc@virginia.edu                            Fd = Fs3;
93812120Sar4jc@virginia.edu                        }
93912120Sar4jc@virginia.edu                    } else {
94012120Sar4jc@virginia.edu                        Fd = -(Fs1*Fs2 - Fs3);
94112120Sar4jc@virginia.edu                    }
94212120Sar4jc@virginia.edu                }}, FloatMultOp);
94312120Sar4jc@virginia.edu            }
94412120Sar4jc@virginia.edu            0x13: decode FUNCT2 {
94512120Sar4jc@virginia.edu                0x0: fnmadd_s({{
94612120Sar4jc@virginia.edu                    uint32_t temp;
94712120Sar4jc@virginia.edu                    float fs1 = reinterpret_cast<float&>(temp = Fs1_bits);
94812120Sar4jc@virginia.edu                    float fs2 = reinterpret_cast<float&>(temp = Fs2_bits);
94912120Sar4jc@virginia.edu                    float fs3 = reinterpret_cast<float&>(temp = Fs3_bits);
95012120Sar4jc@virginia.edu                    float fd;
95111725Sar4jc@virginia.edu
95212138Sgabeblack@google.com                    if (std::isnan(fs1) || std::isnan(fs2) ||
95312138Sgabeblack@google.com                            std::isnan(fs3)) {
95412120Sar4jc@virginia.edu                        if (issignalingnan(fs1) || issignalingnan(fs2)
95512120Sar4jc@virginia.edu                                || issignalingnan(fs3)) {
95612120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
95712120Sar4jc@virginia.edu                        }
95812120Sar4jc@virginia.edu                        fd = numeric_limits<float>::quiet_NaN();
95912138Sgabeblack@google.com                    } else if (std::isinf(fs1) || std::isinf(fs2) ||
96012138Sgabeblack@google.com                            std::isinf(fs3)) {
96112120Sar4jc@virginia.edu                        if (signbit(fs1) == signbit(fs2)
96212138Sgabeblack@google.com                                && !std::isinf(fs3)) {
96312120Sar4jc@virginia.edu                            fd = -numeric_limits<float>::infinity();
96412120Sar4jc@virginia.edu                        } else if (signbit(fs1) != signbit(fs2)
96512138Sgabeblack@google.com                                && !std::isinf(fs3)) {
96612120Sar4jc@virginia.edu                            fd = numeric_limits<float>::infinity();
96712120Sar4jc@virginia.edu                        } else { // Fs3_sf is infinity
96812120Sar4jc@virginia.edu                            fd = -fs3;
96912120Sar4jc@virginia.edu                        }
97012120Sar4jc@virginia.edu                    } else {
97112120Sar4jc@virginia.edu                        fd = -(fs1*fs2 + fs3);
97211725Sar4jc@virginia.edu                    }
97312120Sar4jc@virginia.edu                    Fd_bits = (uint64_t)reinterpret_cast<uint32_t&>(fd);
97412120Sar4jc@virginia.edu                }}, FloatMultOp);
97512120Sar4jc@virginia.edu                0x1: fnmadd_d({{
97612138Sgabeblack@google.com                    if (std::isnan(Fs1) || std::isnan(Fs2) ||
97712138Sgabeblack@google.com                            std::isnan(Fs3)) {
97812120Sar4jc@virginia.edu                        if (issignalingnan(Fs1) || issignalingnan(Fs2)
97912120Sar4jc@virginia.edu                                || issignalingnan(Fs3)) {
98012120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
98112120Sar4jc@virginia.edu                        }
98212120Sar4jc@virginia.edu                        Fd = numeric_limits<double>::quiet_NaN();
98312138Sgabeblack@google.com                    } else if (std::isinf(Fs1) || std::isinf(Fs2) ||
98412138Sgabeblack@google.com                            std::isinf(Fs3)) {
98512120Sar4jc@virginia.edu                        if (signbit(Fs1) == signbit(Fs2)
98612138Sgabeblack@google.com                                && !std::isinf(Fs3)) {
98712120Sar4jc@virginia.edu                            Fd = -numeric_limits<double>::infinity();
98812120Sar4jc@virginia.edu                        } else if (signbit(Fs1) != signbit(Fs2)
98912138Sgabeblack@google.com                                && !std::isinf(Fs3)) {
99012120Sar4jc@virginia.edu                            Fd = numeric_limits<double>::infinity();
99112120Sar4jc@virginia.edu                        } else {
99212120Sar4jc@virginia.edu                            Fd = -Fs3;
99312120Sar4jc@virginia.edu                        }
99412120Sar4jc@virginia.edu                    } else {
99512120Sar4jc@virginia.edu                        Fd = -(Fs1*Fs2 + Fs3);
99611725Sar4jc@virginia.edu                    }
99712120Sar4jc@virginia.edu                }}, FloatMultOp);
99812120Sar4jc@virginia.edu            }
99912120Sar4jc@virginia.edu            0x14: decode FUNCT7 {
100012120Sar4jc@virginia.edu                0x0: fadd_s({{
100111725Sar4jc@virginia.edu                    uint32_t temp;
100211725Sar4jc@virginia.edu                    float fs1 = reinterpret_cast<float&>(temp = Fs1_bits);
100311725Sar4jc@virginia.edu                    float fs2 = reinterpret_cast<float&>(temp = Fs2_bits);
100411725Sar4jc@virginia.edu                    float fd;
100511725Sar4jc@virginia.edu
100612138Sgabeblack@google.com                    if (std::isnan(fs1) || std::isnan(fs2)) {
100712120Sar4jc@virginia.edu                        if (issignalingnan(fs1) || issignalingnan(fs2)) {
100812120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
100912120Sar4jc@virginia.edu                        }
101012120Sar4jc@virginia.edu                        fd = numeric_limits<float>::quiet_NaN();
101111725Sar4jc@virginia.edu                    } else {
101212120Sar4jc@virginia.edu                        fd = fs1 + fs2;
101311725Sar4jc@virginia.edu                    }
101411725Sar4jc@virginia.edu                    Fd_bits = (uint64_t)reinterpret_cast<uint32_t&>(fd);
101512120Sar4jc@virginia.edu                }}, FloatAddOp);
101612120Sar4jc@virginia.edu                0x1: fadd_d({{
101712138Sgabeblack@google.com                    if (std::isnan(Fs1) || std::isnan(Fs2)) {
101812120Sar4jc@virginia.edu                        if (issignalingnan(Fs1) || issignalingnan(Fs2)) {
101912120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
102012120Sar4jc@virginia.edu                        }
102112120Sar4jc@virginia.edu                        Fd = numeric_limits<double>::quiet_NaN();
102212120Sar4jc@virginia.edu                    } else {
102312120Sar4jc@virginia.edu                        Fd = Fs1 + Fs2;
102412120Sar4jc@virginia.edu                    }
102512120Sar4jc@virginia.edu                }}, FloatAddOp);
102612120Sar4jc@virginia.edu                0x4: fsub_s({{
102711725Sar4jc@virginia.edu                    uint32_t temp;
102811725Sar4jc@virginia.edu                    float fs1 = reinterpret_cast<float&>(temp = Fs1_bits);
102911725Sar4jc@virginia.edu                    float fs2 = reinterpret_cast<float&>(temp = Fs2_bits);
103011725Sar4jc@virginia.edu                    float fd;
103111725Sar4jc@virginia.edu
103212138Sgabeblack@google.com                    if (std::isnan(fs1) || std::isnan(fs2)) {
103312120Sar4jc@virginia.edu                        if (issignalingnan(fs1) || issignalingnan(fs2)) {
103412120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
103512120Sar4jc@virginia.edu                        }
103612120Sar4jc@virginia.edu                        fd = numeric_limits<float>::quiet_NaN();
103711725Sar4jc@virginia.edu                    } else {
103812120Sar4jc@virginia.edu                        fd = fs1 - fs2;
103911725Sar4jc@virginia.edu                    }
104011725Sar4jc@virginia.edu                    Fd_bits = (uint64_t)reinterpret_cast<uint32_t&>(fd);
104112120Sar4jc@virginia.edu                }}, FloatAddOp);
104212120Sar4jc@virginia.edu                0x5: fsub_d({{
104312138Sgabeblack@google.com                    if (std::isnan(Fs1) || std::isnan(Fs2)) {
104412120Sar4jc@virginia.edu                        if (issignalingnan(Fs1) || issignalingnan(Fs2)) {
104512120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
104612120Sar4jc@virginia.edu                        }
104712120Sar4jc@virginia.edu                        Fd = numeric_limits<double>::quiet_NaN();
104812120Sar4jc@virginia.edu                    } else {
104912120Sar4jc@virginia.edu                        Fd = Fs1 - Fs2;
105012120Sar4jc@virginia.edu                    }
105112120Sar4jc@virginia.edu                }}, FloatAddOp);
105212120Sar4jc@virginia.edu                0x8: fmul_s({{
105311725Sar4jc@virginia.edu                    uint32_t temp;
105411725Sar4jc@virginia.edu                    float fs1 = reinterpret_cast<float&>(temp = Fs1_bits);
105511725Sar4jc@virginia.edu                    float fs2 = reinterpret_cast<float&>(temp = Fs2_bits);
105611725Sar4jc@virginia.edu                    float fd;
105711725Sar4jc@virginia.edu
105812138Sgabeblack@google.com                    if (std::isnan(fs1) || std::isnan(fs2)) {
105912120Sar4jc@virginia.edu                        if (issignalingnan(fs1) || issignalingnan(fs2)) {
106012120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
106112120Sar4jc@virginia.edu                        }
106212120Sar4jc@virginia.edu                        fd = numeric_limits<float>::quiet_NaN();
106311725Sar4jc@virginia.edu                    } else {
106412120Sar4jc@virginia.edu                        fd = fs1*fs2;
106511725Sar4jc@virginia.edu                    }
106611725Sar4jc@virginia.edu                    Fd_bits = (uint64_t)reinterpret_cast<uint32_t&>(fd);
106712120Sar4jc@virginia.edu                }}, FloatMultOp);
106812120Sar4jc@virginia.edu                0x9: fmul_d({{
106912138Sgabeblack@google.com                    if (std::isnan(Fs1) || std::isnan(Fs2)) {
107012120Sar4jc@virginia.edu                        if (issignalingnan(Fs1) || issignalingnan(Fs2)) {
107112120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
107212120Sar4jc@virginia.edu                        }
107312120Sar4jc@virginia.edu                        Fd = numeric_limits<double>::quiet_NaN();
107411725Sar4jc@virginia.edu                    } else {
107512120Sar4jc@virginia.edu                        Fd = Fs1*Fs2;
107611725Sar4jc@virginia.edu                    }
107712120Sar4jc@virginia.edu                }}, FloatMultOp);
107812120Sar4jc@virginia.edu                0xc: fdiv_s({{
107911725Sar4jc@virginia.edu                    uint32_t temp;
108011725Sar4jc@virginia.edu                    float fs1 = reinterpret_cast<float&>(temp = Fs1_bits);
108111725Sar4jc@virginia.edu                    float fs2 = reinterpret_cast<float&>(temp = Fs2_bits);
108211725Sar4jc@virginia.edu                    float fd;
108311725Sar4jc@virginia.edu
108412138Sgabeblack@google.com                    if (std::isnan(fs1) || std::isnan(fs2)) {
108512120Sar4jc@virginia.edu                        if (issignalingnan(fs1) || issignalingnan(fs2)) {
108612120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
108712120Sar4jc@virginia.edu                        }
108812120Sar4jc@virginia.edu                        fd = numeric_limits<float>::quiet_NaN();
108912120Sar4jc@virginia.edu                    } else {
109012120Sar4jc@virginia.edu                        fd = fs1/fs2;
109112120Sar4jc@virginia.edu                    }
109212120Sar4jc@virginia.edu                    Fd_bits = (uint64_t)reinterpret_cast<uint32_t&>(fd);
109312120Sar4jc@virginia.edu                }}, FloatDivOp);
109412120Sar4jc@virginia.edu                0xd: fdiv_d({{
109512138Sgabeblack@google.com                    if (std::isnan(Fs1) || std::isnan(Fs2)) {
109612120Sar4jc@virginia.edu                        if (issignalingnan(Fs1) || issignalingnan(Fs2)) {
109712120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
109812120Sar4jc@virginia.edu                        }
109912120Sar4jc@virginia.edu                        Fd = numeric_limits<double>::quiet_NaN();
110012120Sar4jc@virginia.edu                    } else {
110112120Sar4jc@virginia.edu                        Fd = Fs1/Fs2;
110212120Sar4jc@virginia.edu                    }
110312120Sar4jc@virginia.edu                }}, FloatDivOp);
110412120Sar4jc@virginia.edu                0x10: decode ROUND_MODE {
110512120Sar4jc@virginia.edu                    0x0: fsgnj_s({{
110612120Sar4jc@virginia.edu                        uint32_t temp;
110712120Sar4jc@virginia.edu                        float fs1 = reinterpret_cast<float&>(temp = Fs1_bits);
110812120Sar4jc@virginia.edu                        float fs2 = reinterpret_cast<float&>(temp = Fs2_bits);
110912120Sar4jc@virginia.edu                        float fd;
111012120Sar4jc@virginia.edu
111112120Sar4jc@virginia.edu                        if (issignalingnan(fs1)) {
111212120Sar4jc@virginia.edu                            fd = numeric_limits<float>::signaling_NaN();
111312120Sar4jc@virginia.edu                            feclearexcept(FE_INVALID);
111412120Sar4jc@virginia.edu                        } else {
111512120Sar4jc@virginia.edu                            fd = copysign(fs1, fs2);
111612120Sar4jc@virginia.edu                        }
111712120Sar4jc@virginia.edu                        Fd_bits = (uint64_t)reinterpret_cast<uint32_t&>(fd);
111812120Sar4jc@virginia.edu                    }});
111912120Sar4jc@virginia.edu                    0x1: fsgnjn_s({{
112012120Sar4jc@virginia.edu                        uint32_t temp;
112112120Sar4jc@virginia.edu                        float fs1 = reinterpret_cast<float&>(temp = Fs1_bits);
112212120Sar4jc@virginia.edu                        float fs2 = reinterpret_cast<float&>(temp = Fs2_bits);
112312120Sar4jc@virginia.edu                        float fd;
112412120Sar4jc@virginia.edu
112512120Sar4jc@virginia.edu                        if (issignalingnan(fs1)) {
112612120Sar4jc@virginia.edu                            fd = numeric_limits<float>::signaling_NaN();
112712120Sar4jc@virginia.edu                            feclearexcept(FE_INVALID);
112812120Sar4jc@virginia.edu                        } else {
112912120Sar4jc@virginia.edu                            fd = copysign(fs1, -fs2);
113012120Sar4jc@virginia.edu                        }
113112120Sar4jc@virginia.edu                        Fd_bits = (uint64_t)reinterpret_cast<uint32_t&>(fd);
113212120Sar4jc@virginia.edu                    }});
113312120Sar4jc@virginia.edu                    0x2: fsgnjx_s({{
113412120Sar4jc@virginia.edu                        uint32_t temp;
113512120Sar4jc@virginia.edu                        float fs1 = reinterpret_cast<float&>(temp = Fs1_bits);
113612120Sar4jc@virginia.edu                        float fs2 = reinterpret_cast<float&>(temp = Fs2_bits);
113712120Sar4jc@virginia.edu                        float fd;
113812120Sar4jc@virginia.edu
113912120Sar4jc@virginia.edu                        if (issignalingnan(fs1)) {
114012120Sar4jc@virginia.edu                            fd = numeric_limits<float>::signaling_NaN();
114112120Sar4jc@virginia.edu                            feclearexcept(FE_INVALID);
114212120Sar4jc@virginia.edu                        } else {
114312120Sar4jc@virginia.edu                            fd = fs1*(signbit(fs2) ? -1.0 : 1.0);
114412120Sar4jc@virginia.edu                        }
114512120Sar4jc@virginia.edu                        Fd_bits = (uint64_t)reinterpret_cast<uint32_t&>(fd);
114612120Sar4jc@virginia.edu                    }});
114712120Sar4jc@virginia.edu                }
114812120Sar4jc@virginia.edu                0x11: decode ROUND_MODE {
114912120Sar4jc@virginia.edu                    0x0: fsgnj_d({{
115012120Sar4jc@virginia.edu                        if (issignalingnan(Fs1)) {
115112120Sar4jc@virginia.edu                            Fd = numeric_limits<double>::signaling_NaN();
115212120Sar4jc@virginia.edu                            feclearexcept(FE_INVALID);
115312120Sar4jc@virginia.edu                        } else {
115412120Sar4jc@virginia.edu                            Fd = copysign(Fs1, Fs2);
115512120Sar4jc@virginia.edu                        }
115612120Sar4jc@virginia.edu                    }});
115712120Sar4jc@virginia.edu                    0x1: fsgnjn_d({{
115812120Sar4jc@virginia.edu                        if (issignalingnan(Fs1)) {
115912120Sar4jc@virginia.edu                            Fd = numeric_limits<double>::signaling_NaN();
116012120Sar4jc@virginia.edu                            feclearexcept(FE_INVALID);
116112120Sar4jc@virginia.edu                        } else {
116212120Sar4jc@virginia.edu                            Fd = copysign(Fs1, -Fs2);
116312120Sar4jc@virginia.edu                        }
116412120Sar4jc@virginia.edu                    }});
116512120Sar4jc@virginia.edu                    0x2: fsgnjx_d({{
116612120Sar4jc@virginia.edu                        if (issignalingnan(Fs1)) {
116712120Sar4jc@virginia.edu                            Fd = numeric_limits<double>::signaling_NaN();
116812120Sar4jc@virginia.edu                            feclearexcept(FE_INVALID);
116912120Sar4jc@virginia.edu                        } else {
117012120Sar4jc@virginia.edu                            Fd = Fs1*(signbit(Fs2) ? -1.0 : 1.0);
117112120Sar4jc@virginia.edu                        }
117212120Sar4jc@virginia.edu                    }});
117312120Sar4jc@virginia.edu                }
117412120Sar4jc@virginia.edu                0x14: decode ROUND_MODE {
117512120Sar4jc@virginia.edu                    0x0: fmin_s({{
117612120Sar4jc@virginia.edu                        uint32_t temp;
117712120Sar4jc@virginia.edu                        float fs1 = reinterpret_cast<float&>(temp = Fs1_bits);
117812120Sar4jc@virginia.edu                        float fs2 = reinterpret_cast<float&>(temp = Fs2_bits);
117912120Sar4jc@virginia.edu                        float fd;
118012120Sar4jc@virginia.edu
118112120Sar4jc@virginia.edu                        if (issignalingnan(fs2)) {
118212120Sar4jc@virginia.edu                            fd = fs1;
118312120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
118412120Sar4jc@virginia.edu                        } else if (issignalingnan(fs1)) {
118512120Sar4jc@virginia.edu                            fd = fs2;
118612120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
118712120Sar4jc@virginia.edu                        } else {
118812120Sar4jc@virginia.edu                            fd = fmin(fs1, fs2);
118912120Sar4jc@virginia.edu                        }
119012120Sar4jc@virginia.edu                        Fd_bits = (uint64_t)reinterpret_cast<uint32_t&>(fd);
119112120Sar4jc@virginia.edu                    }}, FloatCmpOp);
119212120Sar4jc@virginia.edu                    0x1: fmax_s({{
119312120Sar4jc@virginia.edu                        uint32_t temp;
119412120Sar4jc@virginia.edu                        float fs1 = reinterpret_cast<float&>(temp = Fs1_bits);
119512120Sar4jc@virginia.edu                        float fs2 = reinterpret_cast<float&>(temp = Fs2_bits);
119612120Sar4jc@virginia.edu                        float fd;
119712120Sar4jc@virginia.edu
119812120Sar4jc@virginia.edu                        if (issignalingnan(fs2)) {
119912120Sar4jc@virginia.edu                            fd = fs1;
120012120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
120112120Sar4jc@virginia.edu                        } else if (issignalingnan(fs1)) {
120212120Sar4jc@virginia.edu                            fd = fs2;
120312120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
120412120Sar4jc@virginia.edu                        } else {
120512120Sar4jc@virginia.edu                            fd = fmax(fs1, fs2);
120612120Sar4jc@virginia.edu                        }
120712120Sar4jc@virginia.edu                        Fd_bits = (uint64_t)reinterpret_cast<uint32_t&>(fd);
120812120Sar4jc@virginia.edu                    }}, FloatCmpOp);
120912120Sar4jc@virginia.edu                }
121012120Sar4jc@virginia.edu                0x15: decode ROUND_MODE {
121112120Sar4jc@virginia.edu                    0x0: fmin_d({{
121212120Sar4jc@virginia.edu                        if (issignalingnan(Fs2)) {
121312120Sar4jc@virginia.edu                            Fd = Fs1;
121412120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
121512120Sar4jc@virginia.edu                        } else if (issignalingnan(Fs1)) {
121612120Sar4jc@virginia.edu                            Fd = Fs2;
121712120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
121812120Sar4jc@virginia.edu                        } else {
121912120Sar4jc@virginia.edu                            Fd = fmin(Fs1, Fs2);
122012120Sar4jc@virginia.edu                        }
122112120Sar4jc@virginia.edu                    }}, FloatCmpOp);
122212120Sar4jc@virginia.edu                    0x1: fmax_d({{
122312120Sar4jc@virginia.edu                        if (issignalingnan(Fs2)) {
122412120Sar4jc@virginia.edu                            Fd = Fs1;
122512120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
122612120Sar4jc@virginia.edu                        } else if (issignalingnan(Fs1)) {
122712120Sar4jc@virginia.edu                            Fd = Fs2;
122812120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
122912120Sar4jc@virginia.edu                        } else {
123012120Sar4jc@virginia.edu                            Fd = fmax(Fs1, Fs2);
123112120Sar4jc@virginia.edu                        }
123212120Sar4jc@virginia.edu                    }}, FloatCmpOp);
123312120Sar4jc@virginia.edu                }
123412120Sar4jc@virginia.edu                0x20: fcvt_s_d({{
123512120Sar4jc@virginia.edu                    assert(CONV_SGN == 1);
123612120Sar4jc@virginia.edu                    float fd;
123712120Sar4jc@virginia.edu                    if (issignalingnan(Fs1)) {
123812120Sar4jc@virginia.edu                        fd = numeric_limits<float>::quiet_NaN();
123911725Sar4jc@virginia.edu                        FFLAGS |= FloatInvalid;
124011725Sar4jc@virginia.edu                    } else {
124112120Sar4jc@virginia.edu                        fd = (float)Fs1;
124211725Sar4jc@virginia.edu                    }
124311725Sar4jc@virginia.edu                    Fd_bits = (uint64_t)reinterpret_cast<uint32_t&>(fd);
124412120Sar4jc@virginia.edu                }}, FloatCvtOp);
124512120Sar4jc@virginia.edu                0x21: fcvt_d_s({{
124612120Sar4jc@virginia.edu                    assert(CONV_SGN == 0);
124711725Sar4jc@virginia.edu                    uint32_t temp;
124811725Sar4jc@virginia.edu                    float fs1 = reinterpret_cast<float&>(temp = Fs1_bits);
124911725Sar4jc@virginia.edu
125012120Sar4jc@virginia.edu                    if (issignalingnan(fs1)) {
125112120Sar4jc@virginia.edu                        Fd = numeric_limits<double>::quiet_NaN();
125211725Sar4jc@virginia.edu                        FFLAGS |= FloatInvalid;
125311725Sar4jc@virginia.edu                    } else {
125412120Sar4jc@virginia.edu                        Fd = (double)fs1;
125511725Sar4jc@virginia.edu                    }
125611725Sar4jc@virginia.edu                }}, FloatCvtOp);
125712120Sar4jc@virginia.edu                0x2c: fsqrt_s({{
125812120Sar4jc@virginia.edu                    assert(RS2 == 0);
125911725Sar4jc@virginia.edu                    uint32_t temp;
126011725Sar4jc@virginia.edu                    float fs1 = reinterpret_cast<float&>(temp = Fs1_bits);
126112120Sar4jc@virginia.edu                    float fd;
126211725Sar4jc@virginia.edu
126312120Sar4jc@virginia.edu                    if (issignalingnan(Fs1_sf)) {
126411725Sar4jc@virginia.edu                        FFLAGS |= FloatInvalid;
126512120Sar4jc@virginia.edu                    }
126612120Sar4jc@virginia.edu                    fd = sqrt(fs1);
126712120Sar4jc@virginia.edu                    Fd_bits = (uint64_t)reinterpret_cast<uint32_t&>(fd);
126812120Sar4jc@virginia.edu                }}, FloatSqrtOp);
126912120Sar4jc@virginia.edu                0x2d: fsqrt_d({{
127012120Sar4jc@virginia.edu                    assert(RS2 == 0);
127112120Sar4jc@virginia.edu                    Fd = sqrt(Fs1);
127212120Sar4jc@virginia.edu                }}, FloatSqrtOp);
127312120Sar4jc@virginia.edu                0x50: decode ROUND_MODE {
127412120Sar4jc@virginia.edu                    0x0: fle_s({{
127512120Sar4jc@virginia.edu                        uint32_t temp;
127612120Sar4jc@virginia.edu                        float fs1 = reinterpret_cast<float&>(temp = Fs1_bits);
127712120Sar4jc@virginia.edu                        float fs2 = reinterpret_cast<float&>(temp = Fs2_bits);
127812120Sar4jc@virginia.edu
127912138Sgabeblack@google.com                        if (std::isnan(fs1) || std::isnan(fs2)) {
128012120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
128112120Sar4jc@virginia.edu                            Rd = 0;
128212120Sar4jc@virginia.edu                        } else {
128312120Sar4jc@virginia.edu                            Rd = fs1 <= fs2 ? 1 : 0;
128411725Sar4jc@virginia.edu                        }
128512120Sar4jc@virginia.edu                    }}, FloatCmpOp);
128612120Sar4jc@virginia.edu                    0x1: flt_s({{
128712120Sar4jc@virginia.edu                        uint32_t temp;
128812120Sar4jc@virginia.edu                        float fs1 = reinterpret_cast<float&>(temp = Fs1_bits);
128912120Sar4jc@virginia.edu                        float fs2 = reinterpret_cast<float&>(temp = Fs2_bits);
129012120Sar4jc@virginia.edu
129112138Sgabeblack@google.com                        if (std::isnan(fs1) || std::isnan(fs2)) {
129212120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
129312120Sar4jc@virginia.edu                            Rd = 0;
129412120Sar4jc@virginia.edu                        } else {
129512120Sar4jc@virginia.edu                            Rd = fs1 < fs2 ? 1 : 0;
129612120Sar4jc@virginia.edu                        }
129712120Sar4jc@virginia.edu                    }}, FloatCmpOp);
129812120Sar4jc@virginia.edu                    0x2: feq_s({{
129912120Sar4jc@virginia.edu                        uint32_t temp;
130012120Sar4jc@virginia.edu                        float fs1 = reinterpret_cast<float&>(temp = Fs1_bits);
130112120Sar4jc@virginia.edu                        float fs2 = reinterpret_cast<float&>(temp = Fs2_bits);
130212120Sar4jc@virginia.edu
130312120Sar4jc@virginia.edu                        if (issignalingnan(fs1) || issignalingnan(fs2)) {
130412120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
130512120Sar4jc@virginia.edu                        }
130612120Sar4jc@virginia.edu                        Rd = fs1 == fs2 ? 1 : 0;
130712120Sar4jc@virginia.edu                    }}, FloatCmpOp);
130812120Sar4jc@virginia.edu                }
130912120Sar4jc@virginia.edu                0x51: decode ROUND_MODE {
131012120Sar4jc@virginia.edu                    0x0: fle_d({{
131112138Sgabeblack@google.com                        if (std::isnan(Fs1) || std::isnan(Fs2)) {
131212120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
131312120Sar4jc@virginia.edu                            Rd = 0;
131412120Sar4jc@virginia.edu                        } else {
131512120Sar4jc@virginia.edu                            Rd = Fs1 <= Fs2 ? 1 : 0;
131612120Sar4jc@virginia.edu                        }
131712120Sar4jc@virginia.edu                    }}, FloatCmpOp);
131812120Sar4jc@virginia.edu                    0x1: flt_d({{
131912138Sgabeblack@google.com                        if (std::isnan(Fs1) || std::isnan(Fs2)) {
132012120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
132112120Sar4jc@virginia.edu                            Rd = 0;
132212120Sar4jc@virginia.edu                        } else {
132312120Sar4jc@virginia.edu                            Rd = Fs1 < Fs2 ? 1 : 0;
132412120Sar4jc@virginia.edu                        }
132512120Sar4jc@virginia.edu                    }}, FloatCmpOp);
132612120Sar4jc@virginia.edu                    0x2: feq_d({{
132712120Sar4jc@virginia.edu                        if (issignalingnan(Fs1) || issignalingnan(Fs2)) {
132812120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
132912120Sar4jc@virginia.edu                        }
133012120Sar4jc@virginia.edu                        Rd = Fs1 == Fs2 ? 1 : 0;
133112120Sar4jc@virginia.edu                    }}, FloatCmpOp);
133212120Sar4jc@virginia.edu                }
133312120Sar4jc@virginia.edu                0x60: decode CONV_SGN {
133412120Sar4jc@virginia.edu                    0x0: fcvt_w_s({{
133512120Sar4jc@virginia.edu                        uint32_t temp;
133612120Sar4jc@virginia.edu                        float fs1 = reinterpret_cast<float&>(temp = Fs1_bits);
133712120Sar4jc@virginia.edu
133812138Sgabeblack@google.com                        if (std::isnan(fs1)) {
133912120Sar4jc@virginia.edu                            Rd_sd = numeric_limits<int32_t>::max();
134012120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
134112120Sar4jc@virginia.edu                        } else {
134212120Sar4jc@virginia.edu                            Rd_sd = (int32_t)fs1;
134312120Sar4jc@virginia.edu                            if (fetestexcept(FE_INVALID)) {
134412120Sar4jc@virginia.edu                                if (signbit(fs1)) {
134512120Sar4jc@virginia.edu                                    Rd_sd = numeric_limits<int32_t>::min();
134612120Sar4jc@virginia.edu                                } else {
134712120Sar4jc@virginia.edu                                    Rd_sd = numeric_limits<int32_t>::max();
134812120Sar4jc@virginia.edu                                }
134912120Sar4jc@virginia.edu                                feclearexcept(FE_INEXACT);
135012120Sar4jc@virginia.edu                            }
135112120Sar4jc@virginia.edu                        }
135212120Sar4jc@virginia.edu                    }}, FloatCvtOp);
135312120Sar4jc@virginia.edu                    0x1: fcvt_wu_s({{
135412120Sar4jc@virginia.edu                        uint32_t temp;
135512120Sar4jc@virginia.edu                        float fs1 = reinterpret_cast<float&>(temp = Fs1_bits);
135612120Sar4jc@virginia.edu
135712120Sar4jc@virginia.edu                        if (fs1 < 0.0) {
135812120Sar4jc@virginia.edu                            Rd = 0;
135912120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
136012120Sar4jc@virginia.edu                        } else {
136112120Sar4jc@virginia.edu                            Rd = (uint32_t)fs1;
136212120Sar4jc@virginia.edu                            if (fetestexcept(FE_INVALID)) {
136312120Sar4jc@virginia.edu                                Rd = numeric_limits<uint64_t>::max();
136412120Sar4jc@virginia.edu                                feclearexcept(FE_INEXACT);
136512120Sar4jc@virginia.edu                            }
136612120Sar4jc@virginia.edu                        }
136712120Sar4jc@virginia.edu                    }}, FloatCvtOp);
136812120Sar4jc@virginia.edu                    0x2: fcvt_l_s({{
136912120Sar4jc@virginia.edu                        uint32_t temp;
137012120Sar4jc@virginia.edu                        float fs1 = reinterpret_cast<float&>(temp = Fs1_bits);
137112120Sar4jc@virginia.edu
137212138Sgabeblack@google.com                        if (std::isnan(fs1)) {
137312120Sar4jc@virginia.edu                            Rd_sd = numeric_limits<int64_t>::max();
137412120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
137512120Sar4jc@virginia.edu                        } else {
137612120Sar4jc@virginia.edu                            Rd_sd = (int64_t)fs1;
137712120Sar4jc@virginia.edu                            if (fetestexcept(FE_INVALID)) {
137812120Sar4jc@virginia.edu                                if (signbit(fs1)) {
137912120Sar4jc@virginia.edu                                    Rd_sd = numeric_limits<int64_t>::min();
138012120Sar4jc@virginia.edu                                } else {
138112120Sar4jc@virginia.edu                                    Rd_sd = numeric_limits<int64_t>::max();
138212120Sar4jc@virginia.edu                                }
138312120Sar4jc@virginia.edu                                feclearexcept(FE_INEXACT);
138412120Sar4jc@virginia.edu                            }
138512120Sar4jc@virginia.edu                        }
138612120Sar4jc@virginia.edu                    }}, FloatCvtOp);
138712120Sar4jc@virginia.edu                    0x3: fcvt_lu_s({{
138812120Sar4jc@virginia.edu                        uint32_t temp;
138912120Sar4jc@virginia.edu                        float fs1 = reinterpret_cast<float&>(temp = Fs1_bits);
139012120Sar4jc@virginia.edu
139112120Sar4jc@virginia.edu                        if (fs1 < 0.0) {
139212120Sar4jc@virginia.edu                            Rd = 0;
139312120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
139412120Sar4jc@virginia.edu                        } else {
139512120Sar4jc@virginia.edu                            Rd = (uint64_t)fs1;
139612120Sar4jc@virginia.edu                            if (fetestexcept(FE_INVALID)) {
139712120Sar4jc@virginia.edu                                Rd = numeric_limits<uint64_t>::max();
139812120Sar4jc@virginia.edu                                feclearexcept(FE_INEXACT);
139912120Sar4jc@virginia.edu                            }
140012120Sar4jc@virginia.edu                        }
140112120Sar4jc@virginia.edu                    }}, FloatCvtOp);
140212120Sar4jc@virginia.edu                }
140312120Sar4jc@virginia.edu                0x61: decode CONV_SGN {
140412120Sar4jc@virginia.edu                    0x0: fcvt_w_d({{
140512120Sar4jc@virginia.edu                        Rd_sd = (int32_t)Fs1;
140612120Sar4jc@virginia.edu                        if (fetestexcept(FE_INVALID)) {
140712120Sar4jc@virginia.edu                            if (Fs1 < 0.0) {
140812120Sar4jc@virginia.edu                                Rd_sd = numeric_limits<int32_t>::min();
140912120Sar4jc@virginia.edu                            } else {
141012120Sar4jc@virginia.edu                                Rd_sd = numeric_limits<int32_t>::max();
141112120Sar4jc@virginia.edu                            }
141212120Sar4jc@virginia.edu                            feclearexcept(FE_INEXACT);
141312120Sar4jc@virginia.edu                        }
141412120Sar4jc@virginia.edu                    }}, FloatCvtOp);
141512120Sar4jc@virginia.edu                    0x1: fcvt_wu_d({{
141612120Sar4jc@virginia.edu                        if (Fs1 < 0.0) {
141712120Sar4jc@virginia.edu                            Rd = 0;
141812120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
141912120Sar4jc@virginia.edu                        } else {
142012120Sar4jc@virginia.edu                            Rd = (uint32_t)Fs1;
142112120Sar4jc@virginia.edu                            if (fetestexcept(FE_INVALID)) {
142212120Sar4jc@virginia.edu                                Rd = numeric_limits<uint64_t>::max();
142312120Sar4jc@virginia.edu                                feclearexcept(FE_INEXACT);
142412120Sar4jc@virginia.edu                            }
142512120Sar4jc@virginia.edu                        }
142612120Sar4jc@virginia.edu                    }}, FloatCvtOp);
142712120Sar4jc@virginia.edu                    0x2: fcvt_l_d({{
142812120Sar4jc@virginia.edu                        Rd_sd = Fs1;
142912120Sar4jc@virginia.edu                        if (fetestexcept(FE_INVALID)) {
143012120Sar4jc@virginia.edu                            if (Fs1 < 0.0) {
143112120Sar4jc@virginia.edu                                Rd_sd = numeric_limits<int64_t>::min();
143212120Sar4jc@virginia.edu                            } else {
143312120Sar4jc@virginia.edu                                Rd_sd = numeric_limits<int64_t>::max();
143412120Sar4jc@virginia.edu                            }
143512120Sar4jc@virginia.edu                            feclearexcept(FE_INEXACT);
143612120Sar4jc@virginia.edu                        }
143712120Sar4jc@virginia.edu                    }}, FloatCvtOp);
143812120Sar4jc@virginia.edu                    0x3: fcvt_lu_d({{
143912120Sar4jc@virginia.edu                        if (Fs1 < 0.0) {
144012120Sar4jc@virginia.edu                            Rd = 0;
144112120Sar4jc@virginia.edu                            FFLAGS |= FloatInvalid;
144212120Sar4jc@virginia.edu                        } else {
144312120Sar4jc@virginia.edu                            Rd = (uint64_t)Fs1;
144412120Sar4jc@virginia.edu                            if (fetestexcept(FE_INVALID)) {
144512120Sar4jc@virginia.edu                                Rd = numeric_limits<uint64_t>::max();
144612120Sar4jc@virginia.edu                                feclearexcept(FE_INEXACT);
144712120Sar4jc@virginia.edu                            }
144812120Sar4jc@virginia.edu                        }
144912120Sar4jc@virginia.edu                    }}, FloatCvtOp);
145012120Sar4jc@virginia.edu                }
145112120Sar4jc@virginia.edu                0x68: decode CONV_SGN {
145212120Sar4jc@virginia.edu                    0x0: fcvt_s_w({{
145312120Sar4jc@virginia.edu                        float temp = (float)Rs1_sw;
145412120Sar4jc@virginia.edu                        Fd_bits = (uint64_t)reinterpret_cast<uint32_t&>(temp);
145512120Sar4jc@virginia.edu                    }}, FloatCvtOp);
145612120Sar4jc@virginia.edu                    0x1: fcvt_s_wu({{
145712120Sar4jc@virginia.edu                        float temp = (float)Rs1_uw;
145812120Sar4jc@virginia.edu                        Fd_bits = (uint64_t)reinterpret_cast<uint32_t&>(temp);
145912120Sar4jc@virginia.edu                    }}, FloatCvtOp);
146012120Sar4jc@virginia.edu                    0x2: fcvt_s_l({{
146112120Sar4jc@virginia.edu                        float temp = (float)Rs1_sd;
146212120Sar4jc@virginia.edu                        Fd_bits = (uint64_t)reinterpret_cast<uint32_t&>(temp);
146312120Sar4jc@virginia.edu                    }}, FloatCvtOp);
146412120Sar4jc@virginia.edu                    0x3: fcvt_s_lu({{
146512120Sar4jc@virginia.edu                        float temp = (float)Rs1;
146612120Sar4jc@virginia.edu                        Fd_bits = (uint64_t)reinterpret_cast<uint32_t&>(temp);
146712120Sar4jc@virginia.edu                    }}, FloatCvtOp);
146812120Sar4jc@virginia.edu                }
146912120Sar4jc@virginia.edu                0x69: decode CONV_SGN {
147012120Sar4jc@virginia.edu                    0x0: fcvt_d_w({{
147112120Sar4jc@virginia.edu                        Fd = (double)Rs1_sw;
147212120Sar4jc@virginia.edu                    }}, FloatCvtOp);
147312120Sar4jc@virginia.edu                    0x1: fcvt_d_wu({{
147412120Sar4jc@virginia.edu                        Fd = (double)Rs1_uw;
147512120Sar4jc@virginia.edu                    }}, FloatCvtOp);
147612120Sar4jc@virginia.edu                    0x2: fcvt_d_l({{
147712120Sar4jc@virginia.edu                        Fd = (double)Rs1_sd;
147812120Sar4jc@virginia.edu                    }}, FloatCvtOp);
147912120Sar4jc@virginia.edu                    0x3: fcvt_d_lu({{
148012120Sar4jc@virginia.edu                        Fd = (double)Rs1;
148112120Sar4jc@virginia.edu                    }}, FloatCvtOp);
148212120Sar4jc@virginia.edu                }
148312120Sar4jc@virginia.edu                0x70: decode ROUND_MODE {
148412120Sar4jc@virginia.edu                    0x0: fmv_x_s({{
148512120Sar4jc@virginia.edu                        Rd = (uint32_t)Fs1_bits;
148612120Sar4jc@virginia.edu                        if ((Rd&0x80000000) != 0) {
148712120Sar4jc@virginia.edu                            Rd |= (0xFFFFFFFFULL << 32);
148812120Sar4jc@virginia.edu                        }
148912120Sar4jc@virginia.edu                    }}, FloatCvtOp);
149012120Sar4jc@virginia.edu                    0x1: fclass_s({{
149112120Sar4jc@virginia.edu                        uint32_t temp;
149212120Sar4jc@virginia.edu                        float fs1 = reinterpret_cast<float&>(temp = Fs1_bits);
149312120Sar4jc@virginia.edu                        switch (fpclassify(fs1)) {
149412120Sar4jc@virginia.edu                        case FP_INFINITE:
149512120Sar4jc@virginia.edu                            if (signbit(fs1)) {
149612120Sar4jc@virginia.edu                                Rd = 1 << 0;
149712120Sar4jc@virginia.edu                            } else {
149812120Sar4jc@virginia.edu                                Rd = 1 << 7;
149912120Sar4jc@virginia.edu                            }
150012120Sar4jc@virginia.edu                            break;
150112120Sar4jc@virginia.edu                        case FP_NAN:
150212120Sar4jc@virginia.edu                            if (issignalingnan(fs1)) {
150312120Sar4jc@virginia.edu                                Rd = 1 << 8;
150412120Sar4jc@virginia.edu                            } else {
150512120Sar4jc@virginia.edu                                Rd = 1 << 9;
150612120Sar4jc@virginia.edu                            }
150712120Sar4jc@virginia.edu                            break;
150812120Sar4jc@virginia.edu                        case FP_ZERO:
150912120Sar4jc@virginia.edu                            if (signbit(fs1)) {
151012120Sar4jc@virginia.edu                                Rd = 1 << 3;
151112120Sar4jc@virginia.edu                            } else {
151212120Sar4jc@virginia.edu                                Rd = 1 << 4;
151312120Sar4jc@virginia.edu                            }
151412120Sar4jc@virginia.edu                            break;
151512120Sar4jc@virginia.edu                        case FP_SUBNORMAL:
151612120Sar4jc@virginia.edu                            if (signbit(fs1)) {
151712120Sar4jc@virginia.edu                                Rd = 1 << 2;
151812120Sar4jc@virginia.edu                            } else {
151912120Sar4jc@virginia.edu                                Rd = 1 << 5;
152012120Sar4jc@virginia.edu                            }
152112120Sar4jc@virginia.edu                            break;
152212120Sar4jc@virginia.edu                        case FP_NORMAL:
152312120Sar4jc@virginia.edu                            if (signbit(fs1)) {
152412120Sar4jc@virginia.edu                                Rd = 1 << 1;
152512120Sar4jc@virginia.edu                            } else {
152612120Sar4jc@virginia.edu                                Rd = 1 << 6;
152712120Sar4jc@virginia.edu                            }
152812120Sar4jc@virginia.edu                            break;
152912120Sar4jc@virginia.edu                        default:
153012120Sar4jc@virginia.edu                            panic("Unknown classification for operand.");
153112120Sar4jc@virginia.edu                            break;
153212120Sar4jc@virginia.edu                        }
153312120Sar4jc@virginia.edu                    }});
153412120Sar4jc@virginia.edu                }
153512120Sar4jc@virginia.edu                0x71: decode ROUND_MODE {
153612120Sar4jc@virginia.edu                    0x0: fmv_x_d({{
153712120Sar4jc@virginia.edu                        Rd = Fs1_bits;
153812120Sar4jc@virginia.edu                    }}, FloatCvtOp);
153912120Sar4jc@virginia.edu                    0x1: fclass_d({{
154012120Sar4jc@virginia.edu                        switch (fpclassify(Fs1)) {
154112120Sar4jc@virginia.edu                        case FP_INFINITE:
154212120Sar4jc@virginia.edu                            if (signbit(Fs1)) {
154312120Sar4jc@virginia.edu                                Rd = 1 << 0;
154412120Sar4jc@virginia.edu                            } else {
154512120Sar4jc@virginia.edu                                Rd = 1 << 7;
154612120Sar4jc@virginia.edu                            }
154712120Sar4jc@virginia.edu                            break;
154812120Sar4jc@virginia.edu                        case FP_NAN:
154912120Sar4jc@virginia.edu                            if (issignalingnan(Fs1)) {
155012120Sar4jc@virginia.edu                                Rd = 1 << 8;
155112120Sar4jc@virginia.edu                            } else {
155212120Sar4jc@virginia.edu                                Rd = 1 << 9;
155312120Sar4jc@virginia.edu                            }
155412120Sar4jc@virginia.edu                            break;
155512120Sar4jc@virginia.edu                        case FP_ZERO:
155612120Sar4jc@virginia.edu                            if (signbit(Fs1)) {
155712120Sar4jc@virginia.edu                                Rd = 1 << 3;
155812120Sar4jc@virginia.edu                            } else {
155912120Sar4jc@virginia.edu                                Rd = 1 << 4;
156012120Sar4jc@virginia.edu                            }
156112120Sar4jc@virginia.edu                            break;
156212120Sar4jc@virginia.edu                        case FP_SUBNORMAL:
156312120Sar4jc@virginia.edu                            if (signbit(Fs1)) {
156412120Sar4jc@virginia.edu                                Rd = 1 << 2;
156512120Sar4jc@virginia.edu                            } else {
156612120Sar4jc@virginia.edu                                Rd = 1 << 5;
156712120Sar4jc@virginia.edu                            }
156812120Sar4jc@virginia.edu                            break;
156912120Sar4jc@virginia.edu                        case FP_NORMAL:
157012120Sar4jc@virginia.edu                            if (signbit(Fs1)) {
157112120Sar4jc@virginia.edu                                Rd = 1 << 1;
157212120Sar4jc@virginia.edu                            } else {
157312120Sar4jc@virginia.edu                                Rd = 1 << 6;
157412120Sar4jc@virginia.edu                            }
157512120Sar4jc@virginia.edu                            break;
157612120Sar4jc@virginia.edu                        default:
157712120Sar4jc@virginia.edu                            panic("Unknown classification for operand.");
157812120Sar4jc@virginia.edu                            break;
157912120Sar4jc@virginia.edu                        }
158012120Sar4jc@virginia.edu                    }});
158112120Sar4jc@virginia.edu                }
158212120Sar4jc@virginia.edu                0x78: fmv_s_x({{
158312120Sar4jc@virginia.edu                    Fd_bits = (uint64_t)Rs1_uw;
158411725Sar4jc@virginia.edu                }}, FloatCvtOp);
158512120Sar4jc@virginia.edu                0x79: fmv_d_x({{
158612120Sar4jc@virginia.edu                    Fd_bits = Rs1;
158711725Sar4jc@virginia.edu                }}, FloatCvtOp);
158811725Sar4jc@virginia.edu            }
158912120Sar4jc@virginia.edu        }
159012120Sar4jc@virginia.edu
159112120Sar4jc@virginia.edu        0x18: decode FUNCT3 {
159212120Sar4jc@virginia.edu            format BOp {
159312120Sar4jc@virginia.edu                0x0: beq({{
159412120Sar4jc@virginia.edu                    if (Rs1 == Rs2) {
159512120Sar4jc@virginia.edu                        NPC = PC + imm;
159612120Sar4jc@virginia.edu                    } else {
159712120Sar4jc@virginia.edu                        NPC = NPC;
159811725Sar4jc@virginia.edu                    }
159912120Sar4jc@virginia.edu                }}, IsDirectControl, IsCondControl);
160012120Sar4jc@virginia.edu                0x1: bne({{
160112120Sar4jc@virginia.edu                    if (Rs1 != Rs2) {
160212120Sar4jc@virginia.edu                        NPC = PC + imm;
160311725Sar4jc@virginia.edu                    } else {
160412120Sar4jc@virginia.edu                        NPC = NPC;
160511725Sar4jc@virginia.edu                    }
160612120Sar4jc@virginia.edu                }}, IsDirectControl, IsCondControl);
160712120Sar4jc@virginia.edu                0x4: blt({{
160812120Sar4jc@virginia.edu                    if (Rs1_sd < Rs2_sd) {
160912120Sar4jc@virginia.edu                        NPC = PC + imm;
161012120Sar4jc@virginia.edu                    } else {
161112120Sar4jc@virginia.edu                        NPC = NPC;
161211725Sar4jc@virginia.edu                    }
161312120Sar4jc@virginia.edu                }}, IsDirectControl, IsCondControl);
161412120Sar4jc@virginia.edu                0x5: bge({{
161512120Sar4jc@virginia.edu                    if (Rs1_sd >= Rs2_sd) {
161612120Sar4jc@virginia.edu                        NPC = PC + imm;
161711725Sar4jc@virginia.edu                    } else {
161812120Sar4jc@virginia.edu                        NPC = NPC;
161911725Sar4jc@virginia.edu                    }
162012120Sar4jc@virginia.edu                }}, IsDirectControl, IsCondControl);
162112120Sar4jc@virginia.edu                0x6: bltu({{
162212120Sar4jc@virginia.edu                    if (Rs1 < Rs2) {
162312120Sar4jc@virginia.edu                        NPC = PC + imm;
162412120Sar4jc@virginia.edu                    } else {
162512120Sar4jc@virginia.edu                        NPC = NPC;
162612120Sar4jc@virginia.edu                    }
162712120Sar4jc@virginia.edu                }}, IsDirectControl, IsCondControl);
162812120Sar4jc@virginia.edu                0x7: bgeu({{
162912120Sar4jc@virginia.edu                    if (Rs1 >= Rs2) {
163012120Sar4jc@virginia.edu                        NPC = PC + imm;
163112120Sar4jc@virginia.edu                    } else {
163212120Sar4jc@virginia.edu                        NPC = NPC;
163312120Sar4jc@virginia.edu                    }
163412120Sar4jc@virginia.edu                }}, IsDirectControl, IsCondControl);
163511725Sar4jc@virginia.edu            }
163612120Sar4jc@virginia.edu        }
163712120Sar4jc@virginia.edu
163812120Sar4jc@virginia.edu        0x19: decode FUNCT3 {
163912120Sar4jc@virginia.edu            0x0: Jump::jalr({{
164012120Sar4jc@virginia.edu                Rd = NPC;
164112120Sar4jc@virginia.edu                NPC = (imm + Rs1) & (~0x1);
164212120Sar4jc@virginia.edu            }}, IsIndirectControl, IsUncondControl, IsCall);
164312120Sar4jc@virginia.edu        }
164412120Sar4jc@virginia.edu
164512120Sar4jc@virginia.edu        0x1b: JOp::jal({{
164612120Sar4jc@virginia.edu            Rd = NPC;
164712120Sar4jc@virginia.edu            NPC = PC + imm;
164812120Sar4jc@virginia.edu        }}, IsDirectControl, IsUncondControl, IsCall);
164912120Sar4jc@virginia.edu
165012120Sar4jc@virginia.edu        0x1c: decode FUNCT3 {
165112120Sar4jc@virginia.edu            format SystemOp {
165212120Sar4jc@virginia.edu                0x0: decode FUNCT12 {
165312120Sar4jc@virginia.edu                    0x0: ecall({{
165412120Sar4jc@virginia.edu                        fault = make_shared<SyscallFault>();
165512120Sar4jc@virginia.edu                    }}, IsSerializeAfter, IsNonSpeculative, IsSyscall,
165612120Sar4jc@virginia.edu                        No_OpClass);
165712120Sar4jc@virginia.edu                    0x1: ebreak({{
165812120Sar4jc@virginia.edu                        fault = make_shared<BreakpointFault>();
165912120Sar4jc@virginia.edu                    }}, IsSerializeAfter, IsNonSpeculative, No_OpClass);
166012120Sar4jc@virginia.edu                    0x100: eret({{
166112120Sar4jc@virginia.edu                        fault = make_shared<UnimplementedFault>("eret");
166212120Sar4jc@virginia.edu                    }}, No_OpClass);
166312120Sar4jc@virginia.edu                }
166411725Sar4jc@virginia.edu            }
166512120Sar4jc@virginia.edu            format CSROp {
166612120Sar4jc@virginia.edu                0x1: csrrw({{
166712120Sar4jc@virginia.edu                    Rd = xc->readMiscReg(csr);
166812120Sar4jc@virginia.edu                    xc->setMiscReg(csr, Rs1);
166912120Sar4jc@virginia.edu                }}, IsNonSpeculative, No_OpClass);
167012120Sar4jc@virginia.edu                0x2: csrrs({{
167112120Sar4jc@virginia.edu                    Rd = xc->readMiscReg(csr);
167212120Sar4jc@virginia.edu                    if (Rs1 != 0) {
167312120Sar4jc@virginia.edu                        xc->setMiscReg(csr, Rd | Rs1);
167412120Sar4jc@virginia.edu                    }
167512120Sar4jc@virginia.edu                }}, IsNonSpeculative, No_OpClass);
167612120Sar4jc@virginia.edu                0x3: csrrc({{
167712120Sar4jc@virginia.edu                    Rd = xc->readMiscReg(csr);
167812120Sar4jc@virginia.edu                    if (Rs1 != 0) {
167912120Sar4jc@virginia.edu                        xc->setMiscReg(csr, Rd & ~Rs1);
168012120Sar4jc@virginia.edu                    }
168112120Sar4jc@virginia.edu                }}, IsNonSpeculative, No_OpClass);
168212120Sar4jc@virginia.edu                0x5: csrrwi({{
168312120Sar4jc@virginia.edu                    Rd = xc->readMiscReg(csr);
168412120Sar4jc@virginia.edu                    xc->setMiscReg(csr, uimm);
168512120Sar4jc@virginia.edu                }}, IsNonSpeculative, No_OpClass);
168612120Sar4jc@virginia.edu                0x6: csrrsi({{
168712120Sar4jc@virginia.edu                    Rd = xc->readMiscReg(csr);
168812120Sar4jc@virginia.edu                    if (uimm != 0) {
168912120Sar4jc@virginia.edu                        xc->setMiscReg(csr, Rd | uimm);
169012120Sar4jc@virginia.edu                    }
169112120Sar4jc@virginia.edu                }}, IsNonSpeculative, No_OpClass);
169212120Sar4jc@virginia.edu                0x7: csrrci({{
169312120Sar4jc@virginia.edu                    Rd = xc->readMiscReg(csr);
169412120Sar4jc@virginia.edu                    if (uimm != 0) {
169512120Sar4jc@virginia.edu                        xc->setMiscReg(csr, Rd & ~uimm);
169612120Sar4jc@virginia.edu                    }
169712120Sar4jc@virginia.edu                }}, IsNonSpeculative, No_OpClass);
169811725Sar4jc@virginia.edu            }
169911725Sar4jc@virginia.edu        }
170011725Sar4jc@virginia.edu    }
170112138Sgabeblack@google.com}
1702