mediaop.isa revision 6579
16516Sgblack@eecs.umich.edu/// Copyright (c) 2009 The Regents of The University of Michigan 26516Sgblack@eecs.umich.edu// All rights reserved. 36516Sgblack@eecs.umich.edu// 46516Sgblack@eecs.umich.edu// Redistribution and use in source and binary forms, with or without 56516Sgblack@eecs.umich.edu// modification, are permitted provided that the following conditions are 66516Sgblack@eecs.umich.edu// met: redistributions of source code must retain the above copyright 76516Sgblack@eecs.umich.edu// notice, this list of conditions and the following disclaimer; 86516Sgblack@eecs.umich.edu// redistributions in binary form must reproduce the above copyright 96516Sgblack@eecs.umich.edu// notice, this list of conditions and the following disclaimer in the 106516Sgblack@eecs.umich.edu// documentation and/or other materials provided with the distribution; 116516Sgblack@eecs.umich.edu// neither the name of the copyright holders nor the names of its 126516Sgblack@eecs.umich.edu// contributors may be used to endorse or promote products derived from 136516Sgblack@eecs.umich.edu// this software without specific prior written permission. 146516Sgblack@eecs.umich.edu// 156516Sgblack@eecs.umich.edu// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 166516Sgblack@eecs.umich.edu// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 176516Sgblack@eecs.umich.edu// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 186516Sgblack@eecs.umich.edu// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 196516Sgblack@eecs.umich.edu// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 206516Sgblack@eecs.umich.edu// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 216516Sgblack@eecs.umich.edu// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 226516Sgblack@eecs.umich.edu// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 236516Sgblack@eecs.umich.edu// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 246516Sgblack@eecs.umich.edu// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 256516Sgblack@eecs.umich.edu// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 266516Sgblack@eecs.umich.edu// 276516Sgblack@eecs.umich.edu// Authors: Gabe Black 286516Sgblack@eecs.umich.edu 296516Sgblack@eecs.umich.edudef template MediaOpExecute {{ 306516Sgblack@eecs.umich.edu Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, 316516Sgblack@eecs.umich.edu Trace::InstRecord *traceData) const 326516Sgblack@eecs.umich.edu { 336516Sgblack@eecs.umich.edu Fault fault = NoFault; 346516Sgblack@eecs.umich.edu 356516Sgblack@eecs.umich.edu %(op_decl)s; 366516Sgblack@eecs.umich.edu %(op_rd)s; 376516Sgblack@eecs.umich.edu 386516Sgblack@eecs.umich.edu %(code)s; 396516Sgblack@eecs.umich.edu 406516Sgblack@eecs.umich.edu //Write the resulting state to the execution context 416516Sgblack@eecs.umich.edu if(fault == NoFault) 426516Sgblack@eecs.umich.edu { 436516Sgblack@eecs.umich.edu %(op_wb)s; 446516Sgblack@eecs.umich.edu } 456516Sgblack@eecs.umich.edu return fault; 466516Sgblack@eecs.umich.edu } 476516Sgblack@eecs.umich.edu}}; 486516Sgblack@eecs.umich.edu 496516Sgblack@eecs.umich.edudef template MediaOpRegDeclare {{ 506516Sgblack@eecs.umich.edu class %(class_name)s : public %(base_class)s 516516Sgblack@eecs.umich.edu { 526516Sgblack@eecs.umich.edu protected: 536516Sgblack@eecs.umich.edu void buildMe(); 546516Sgblack@eecs.umich.edu 556516Sgblack@eecs.umich.edu public: 566516Sgblack@eecs.umich.edu %(class_name)s(ExtMachInst _machInst, 576516Sgblack@eecs.umich.edu const char * instMnem, 586516Sgblack@eecs.umich.edu bool isMicro, bool isDelayed, bool isFirst, bool isLast, 596516Sgblack@eecs.umich.edu InstRegIndex _src1, InstRegIndex _src2, InstRegIndex _dest, 606545Sgblack@eecs.umich.edu uint8_t _srcSize, uint8_t _destSize, uint16_t _ext); 616516Sgblack@eecs.umich.edu 626516Sgblack@eecs.umich.edu %(class_name)s(ExtMachInst _machInst, 636516Sgblack@eecs.umich.edu const char * instMnem, 646516Sgblack@eecs.umich.edu InstRegIndex _src1, InstRegIndex _src2, InstRegIndex _dest, 656545Sgblack@eecs.umich.edu uint8_t _srcSize, uint8_t _destSize, uint16_t _ext); 666516Sgblack@eecs.umich.edu 676516Sgblack@eecs.umich.edu %(BasicExecDeclare)s 686516Sgblack@eecs.umich.edu }; 696516Sgblack@eecs.umich.edu}}; 706516Sgblack@eecs.umich.edu 716516Sgblack@eecs.umich.edudef template MediaOpImmDeclare {{ 726516Sgblack@eecs.umich.edu 736516Sgblack@eecs.umich.edu class %(class_name)s : public %(base_class)s 746516Sgblack@eecs.umich.edu { 756516Sgblack@eecs.umich.edu protected: 766516Sgblack@eecs.umich.edu void buildMe(); 776516Sgblack@eecs.umich.edu 786516Sgblack@eecs.umich.edu public: 796516Sgblack@eecs.umich.edu %(class_name)s(ExtMachInst _machInst, 806516Sgblack@eecs.umich.edu const char * instMnem, 816516Sgblack@eecs.umich.edu bool isMicro, bool isDelayed, bool isFirst, bool isLast, 826516Sgblack@eecs.umich.edu InstRegIndex _src1, uint16_t _imm8, InstRegIndex _dest, 836545Sgblack@eecs.umich.edu uint8_t _srcSize, uint8_t _destSize, uint16_t _ext); 846516Sgblack@eecs.umich.edu 856516Sgblack@eecs.umich.edu %(class_name)s(ExtMachInst _machInst, 866516Sgblack@eecs.umich.edu const char * instMnem, 876516Sgblack@eecs.umich.edu InstRegIndex _src1, uint16_t _imm8, InstRegIndex _dest, 886545Sgblack@eecs.umich.edu uint8_t _srcSize, uint8_t _destSize, uint16_t _ext); 896516Sgblack@eecs.umich.edu 906516Sgblack@eecs.umich.edu %(BasicExecDeclare)s 916516Sgblack@eecs.umich.edu }; 926516Sgblack@eecs.umich.edu}}; 936516Sgblack@eecs.umich.edu 946516Sgblack@eecs.umich.edudef template MediaOpRegConstructor {{ 956516Sgblack@eecs.umich.edu 966516Sgblack@eecs.umich.edu inline void %(class_name)s::buildMe() 976516Sgblack@eecs.umich.edu { 986516Sgblack@eecs.umich.edu %(constructor)s; 996516Sgblack@eecs.umich.edu } 1006516Sgblack@eecs.umich.edu 1016516Sgblack@eecs.umich.edu inline %(class_name)s::%(class_name)s( 1026516Sgblack@eecs.umich.edu ExtMachInst machInst, const char * instMnem, 1036516Sgblack@eecs.umich.edu InstRegIndex _src1, InstRegIndex _src2, InstRegIndex _dest, 1046545Sgblack@eecs.umich.edu uint8_t _srcSize, uint8_t _destSize, uint16_t _ext) : 1056516Sgblack@eecs.umich.edu %(base_class)s(machInst, "%(mnemonic)s", instMnem, 1066516Sgblack@eecs.umich.edu false, false, false, false, 1076545Sgblack@eecs.umich.edu _src1, _src2, _dest, _srcSize, _destSize, _ext, 1086516Sgblack@eecs.umich.edu %(op_class)s) 1096516Sgblack@eecs.umich.edu { 1106516Sgblack@eecs.umich.edu buildMe(); 1116516Sgblack@eecs.umich.edu } 1126516Sgblack@eecs.umich.edu 1136516Sgblack@eecs.umich.edu inline %(class_name)s::%(class_name)s( 1146516Sgblack@eecs.umich.edu ExtMachInst machInst, const char * instMnem, 1156516Sgblack@eecs.umich.edu bool isMicro, bool isDelayed, bool isFirst, bool isLast, 1166516Sgblack@eecs.umich.edu InstRegIndex _src1, InstRegIndex _src2, InstRegIndex _dest, 1176545Sgblack@eecs.umich.edu uint8_t _srcSize, uint8_t _destSize, uint16_t _ext) : 1186516Sgblack@eecs.umich.edu %(base_class)s(machInst, "%(mnemonic)s", instMnem, 1196516Sgblack@eecs.umich.edu isMicro, isDelayed, isFirst, isLast, 1206545Sgblack@eecs.umich.edu _src1, _src2, _dest, _srcSize, _destSize, _ext, 1216516Sgblack@eecs.umich.edu %(op_class)s) 1226516Sgblack@eecs.umich.edu { 1236516Sgblack@eecs.umich.edu buildMe(); 1246516Sgblack@eecs.umich.edu } 1256516Sgblack@eecs.umich.edu}}; 1266516Sgblack@eecs.umich.edu 1276516Sgblack@eecs.umich.edudef template MediaOpImmConstructor {{ 1286516Sgblack@eecs.umich.edu 1296516Sgblack@eecs.umich.edu inline void %(class_name)s::buildMe() 1306516Sgblack@eecs.umich.edu { 1316516Sgblack@eecs.umich.edu %(constructor)s; 1326516Sgblack@eecs.umich.edu } 1336516Sgblack@eecs.umich.edu 1346516Sgblack@eecs.umich.edu inline %(class_name)s::%(class_name)s( 1356516Sgblack@eecs.umich.edu ExtMachInst machInst, const char * instMnem, 1366516Sgblack@eecs.umich.edu InstRegIndex _src1, uint16_t _imm8, InstRegIndex _dest, 1376545Sgblack@eecs.umich.edu uint8_t _srcSize, uint8_t _destSize, uint16_t _ext) : 1386516Sgblack@eecs.umich.edu %(base_class)s(machInst, "%(mnemonic)s", instMnem, 1396516Sgblack@eecs.umich.edu false, false, false, false, 1406545Sgblack@eecs.umich.edu _src1, _imm8, _dest, _srcSize, _destSize, _ext, 1416516Sgblack@eecs.umich.edu %(op_class)s) 1426516Sgblack@eecs.umich.edu { 1436516Sgblack@eecs.umich.edu buildMe(); 1446516Sgblack@eecs.umich.edu } 1456516Sgblack@eecs.umich.edu 1466516Sgblack@eecs.umich.edu inline %(class_name)s::%(class_name)s( 1476516Sgblack@eecs.umich.edu ExtMachInst machInst, const char * instMnem, 1486516Sgblack@eecs.umich.edu bool isMicro, bool isDelayed, bool isFirst, bool isLast, 1496516Sgblack@eecs.umich.edu InstRegIndex _src1, uint16_t _imm8, InstRegIndex _dest, 1506545Sgblack@eecs.umich.edu uint8_t _srcSize, uint8_t _destSize, uint16_t _ext) : 1516516Sgblack@eecs.umich.edu %(base_class)s(machInst, "%(mnemonic)s", instMnem, 1526516Sgblack@eecs.umich.edu isMicro, isDelayed, isFirst, isLast, 1536545Sgblack@eecs.umich.edu _src1, _imm8, _dest, _srcSize, _destSize, _ext, 1546516Sgblack@eecs.umich.edu %(op_class)s) 1556516Sgblack@eecs.umich.edu { 1566516Sgblack@eecs.umich.edu buildMe(); 1576516Sgblack@eecs.umich.edu } 1586516Sgblack@eecs.umich.edu}}; 1596516Sgblack@eecs.umich.edu 1606516Sgblack@eecs.umich.edulet {{ 1616516Sgblack@eecs.umich.edu # Make these empty strings so that concatenating onto 1626516Sgblack@eecs.umich.edu # them will always work. 1636516Sgblack@eecs.umich.edu header_output = "" 1646516Sgblack@eecs.umich.edu decoder_output = "" 1656516Sgblack@eecs.umich.edu exec_output = "" 1666516Sgblack@eecs.umich.edu 1676516Sgblack@eecs.umich.edu immTemplates = ( 1686516Sgblack@eecs.umich.edu MediaOpImmDeclare, 1696516Sgblack@eecs.umich.edu MediaOpImmConstructor, 1706516Sgblack@eecs.umich.edu MediaOpExecute) 1716516Sgblack@eecs.umich.edu 1726516Sgblack@eecs.umich.edu regTemplates = ( 1736516Sgblack@eecs.umich.edu MediaOpRegDeclare, 1746516Sgblack@eecs.umich.edu MediaOpRegConstructor, 1756516Sgblack@eecs.umich.edu MediaOpExecute) 1766516Sgblack@eecs.umich.edu 1776516Sgblack@eecs.umich.edu class MediaOpMeta(type): 1786516Sgblack@eecs.umich.edu def buildCppClasses(self, name, Name, suffix, code): 1796516Sgblack@eecs.umich.edu 1806516Sgblack@eecs.umich.edu # Globals to stick the output in 1816516Sgblack@eecs.umich.edu global header_output 1826516Sgblack@eecs.umich.edu global decoder_output 1836516Sgblack@eecs.umich.edu global exec_output 1846516Sgblack@eecs.umich.edu 1856516Sgblack@eecs.umich.edu # If op2 is used anywhere, make register and immediate versions 1866516Sgblack@eecs.umich.edu # of this code. 1876516Sgblack@eecs.umich.edu matcher = re.compile("(?<!\\w)(?P<prefix>s?)op2(?P<typeQual>\\.\\w+)?") 1886516Sgblack@eecs.umich.edu match = matcher.search(code) 1896516Sgblack@eecs.umich.edu if match: 1906516Sgblack@eecs.umich.edu typeQual = "" 1916516Sgblack@eecs.umich.edu if match.group("typeQual"): 1926516Sgblack@eecs.umich.edu typeQual = match.group("typeQual") 1936516Sgblack@eecs.umich.edu src2_name = "%spsrc2%s" % (match.group("prefix"), typeQual) 1946516Sgblack@eecs.umich.edu self.buildCppClasses(name, Name, suffix, 1956516Sgblack@eecs.umich.edu matcher.sub(src2_name, code)) 1966516Sgblack@eecs.umich.edu self.buildCppClasses(name + "i", Name, suffix + "Imm", 1976516Sgblack@eecs.umich.edu matcher.sub("imm8", code)) 1986516Sgblack@eecs.umich.edu return 1996516Sgblack@eecs.umich.edu 2006516Sgblack@eecs.umich.edu base = "X86ISA::MediaOp" 2016516Sgblack@eecs.umich.edu 2026516Sgblack@eecs.umich.edu # If imm8 shows up in the code, use the immediate templates, if 2036516Sgblack@eecs.umich.edu # not, hopefully the register ones will be correct. 2046516Sgblack@eecs.umich.edu matcher = re.compile("(?<!\w)imm8(?!\w)") 2056516Sgblack@eecs.umich.edu if matcher.search(code): 2066516Sgblack@eecs.umich.edu base += "Imm" 2076516Sgblack@eecs.umich.edu templates = immTemplates 2086516Sgblack@eecs.umich.edu else: 2096516Sgblack@eecs.umich.edu base += "Reg" 2106516Sgblack@eecs.umich.edu templates = regTemplates 2116516Sgblack@eecs.umich.edu 2126516Sgblack@eecs.umich.edu # Get everything ready for the substitution 2136516Sgblack@eecs.umich.edu iop = InstObjParams(name, Name + suffix, base, {"code" : code}) 2146516Sgblack@eecs.umich.edu 2156516Sgblack@eecs.umich.edu # Generate the actual code (finally!) 2166516Sgblack@eecs.umich.edu header_output += templates[0].subst(iop) 2176516Sgblack@eecs.umich.edu decoder_output += templates[1].subst(iop) 2186516Sgblack@eecs.umich.edu exec_output += templates[2].subst(iop) 2196516Sgblack@eecs.umich.edu 2206516Sgblack@eecs.umich.edu 2216516Sgblack@eecs.umich.edu def __new__(mcls, Name, bases, dict): 2226516Sgblack@eecs.umich.edu abstract = False 2236516Sgblack@eecs.umich.edu name = Name.lower() 2246516Sgblack@eecs.umich.edu if "abstract" in dict: 2256516Sgblack@eecs.umich.edu abstract = dict['abstract'] 2266516Sgblack@eecs.umich.edu del dict['abstract'] 2276516Sgblack@eecs.umich.edu 2286516Sgblack@eecs.umich.edu cls = super(MediaOpMeta, mcls).__new__(mcls, Name, bases, dict) 2296516Sgblack@eecs.umich.edu if not abstract: 2306516Sgblack@eecs.umich.edu cls.className = Name 2316516Sgblack@eecs.umich.edu cls.base_mnemonic = name 2326516Sgblack@eecs.umich.edu code = cls.code 2336516Sgblack@eecs.umich.edu 2346516Sgblack@eecs.umich.edu # Set up the C++ classes 2356516Sgblack@eecs.umich.edu mcls.buildCppClasses(cls, name, Name, "", code) 2366516Sgblack@eecs.umich.edu 2376516Sgblack@eecs.umich.edu # Hook into the microassembler dict 2386516Sgblack@eecs.umich.edu global microopClasses 2396516Sgblack@eecs.umich.edu microopClasses[name] = cls 2406516Sgblack@eecs.umich.edu 2416516Sgblack@eecs.umich.edu # If op2 is used anywhere, make register and immediate versions 2426516Sgblack@eecs.umich.edu # of this code. 2436516Sgblack@eecs.umich.edu matcher = re.compile("op2(?P<typeQual>\\.\\w+)?") 2446516Sgblack@eecs.umich.edu if matcher.search(code): 2456516Sgblack@eecs.umich.edu microopClasses[name + 'i'] = cls 2466516Sgblack@eecs.umich.edu return cls 2476516Sgblack@eecs.umich.edu 2486516Sgblack@eecs.umich.edu 2496516Sgblack@eecs.umich.edu class MediaOp(X86Microop): 2506516Sgblack@eecs.umich.edu __metaclass__ = MediaOpMeta 2516516Sgblack@eecs.umich.edu # This class itself doesn't act as a microop 2526516Sgblack@eecs.umich.edu abstract = True 2536516Sgblack@eecs.umich.edu 2546516Sgblack@eecs.umich.edu def __init__(self, dest, src1, op2, 2556545Sgblack@eecs.umich.edu size = None, destSize = None, srcSize = None, ext = None): 2566516Sgblack@eecs.umich.edu self.dest = dest 2576516Sgblack@eecs.umich.edu self.src1 = src1 2586516Sgblack@eecs.umich.edu self.op2 = op2 2596516Sgblack@eecs.umich.edu if size is not None: 2606516Sgblack@eecs.umich.edu self.srcSize = size 2616516Sgblack@eecs.umich.edu self.destSize = size 2626516Sgblack@eecs.umich.edu if srcSize is not None: 2636516Sgblack@eecs.umich.edu self.srcSize = srcSize 2646516Sgblack@eecs.umich.edu if destSize is not None: 2656516Sgblack@eecs.umich.edu self.destSize = destSize 2666516Sgblack@eecs.umich.edu if self.srcSize is None: 2676516Sgblack@eecs.umich.edu raise Exception, "Source size not set." 2686516Sgblack@eecs.umich.edu if self.destSize is None: 2696516Sgblack@eecs.umich.edu raise Exception, "Dest size not set." 2706545Sgblack@eecs.umich.edu if ext is None: 2716545Sgblack@eecs.umich.edu self.ext = 0 2726516Sgblack@eecs.umich.edu else: 2736545Sgblack@eecs.umich.edu self.ext = ext 2746516Sgblack@eecs.umich.edu 2756516Sgblack@eecs.umich.edu def getAllocator(self, *microFlags): 2766516Sgblack@eecs.umich.edu className = self.className 2776516Sgblack@eecs.umich.edu if self.mnemonic == self.base_mnemonic + 'i': 2786516Sgblack@eecs.umich.edu className += "Imm" 2796516Sgblack@eecs.umich.edu allocator = '''new %(class_name)s(machInst, macrocodeBlock 2806516Sgblack@eecs.umich.edu %(flags)s, %(src1)s, %(op2)s, %(dest)s, 2816545Sgblack@eecs.umich.edu %(srcSize)s, %(destSize)s, %(ext)s)''' % { 2826516Sgblack@eecs.umich.edu "class_name" : className, 2836516Sgblack@eecs.umich.edu "flags" : self.microFlagsText(microFlags), 2846516Sgblack@eecs.umich.edu "src1" : self.src1, "op2" : self.op2, 2856516Sgblack@eecs.umich.edu "dest" : self.dest, 2866516Sgblack@eecs.umich.edu "srcSize" : self.srcSize, 2876516Sgblack@eecs.umich.edu "destSize" : self.destSize, 2886545Sgblack@eecs.umich.edu "ext" : self.ext} 2896516Sgblack@eecs.umich.edu return allocator 2906516Sgblack@eecs.umich.edu 2916516Sgblack@eecs.umich.edu class Mov2int(MediaOp): 2926516Sgblack@eecs.umich.edu def __init__(self, dest, src, \ 2936545Sgblack@eecs.umich.edu size = None, destSize = None, srcSize = None, ext = None): 2946516Sgblack@eecs.umich.edu super(Mov2int, self).__init__(dest, src,\ 2956545Sgblack@eecs.umich.edu "InstRegIndex(0)", size, destSize, srcSize, ext) 2966516Sgblack@eecs.umich.edu code = ''' 2976516Sgblack@eecs.umich.edu uint64_t fpSrcReg1 = bits(FpSrcReg1.uqw, srcSize * 8 - 1, 0); 2986516Sgblack@eecs.umich.edu DestReg = merge(DestReg, fpSrcReg1, destSize); 2996516Sgblack@eecs.umich.edu ''' 3006516Sgblack@eecs.umich.edu 3016516Sgblack@eecs.umich.edu class Mov2fp(MediaOp): 3026516Sgblack@eecs.umich.edu def __init__(self, dest, src, \ 3036545Sgblack@eecs.umich.edu size = None, destSize = None, srcSize = None, ext = None): 3046516Sgblack@eecs.umich.edu super(Mov2fp, self).__init__(dest, src,\ 3056545Sgblack@eecs.umich.edu "InstRegIndex(0)", size, destSize, srcSize, ext) 3066516Sgblack@eecs.umich.edu code = ''' 3076516Sgblack@eecs.umich.edu uint64_t srcReg1 = pick(SrcReg1, 0, srcSize); 3086516Sgblack@eecs.umich.edu FpDestReg.uqw = 3096516Sgblack@eecs.umich.edu insertBits(FpDestReg.uqw, destSize * 8 - 1, 0, srcReg1); 3106516Sgblack@eecs.umich.edu ''' 3116521Sgblack@eecs.umich.edu 3126521Sgblack@eecs.umich.edu class Unpack(MediaOp): 3136521Sgblack@eecs.umich.edu code = ''' 3146521Sgblack@eecs.umich.edu assert(srcSize == destSize); 3156521Sgblack@eecs.umich.edu int size = destSize; 3166521Sgblack@eecs.umich.edu int items = (sizeof(FloatRegBits) / size) / 2; 3176545Sgblack@eecs.umich.edu int offset = ext ? items : 0; 3186521Sgblack@eecs.umich.edu uint64_t result = 0; 3196521Sgblack@eecs.umich.edu for (int i = 0; i < items; i++) { 3206521Sgblack@eecs.umich.edu uint64_t pickedLow = 3216521Sgblack@eecs.umich.edu bits(FpSrcReg1.uqw, (i + offset + 1) * 8 * size - 1, 3226521Sgblack@eecs.umich.edu (i + offset) * 8 * size); 3236521Sgblack@eecs.umich.edu result = insertBits(result, 3246521Sgblack@eecs.umich.edu (2 * i + 1) * 8 * size - 1, 3256521Sgblack@eecs.umich.edu (2 * i + 0) * 8 * size, 3266521Sgblack@eecs.umich.edu pickedLow); 3276521Sgblack@eecs.umich.edu uint64_t pickedHigh = 3286521Sgblack@eecs.umich.edu bits(FpSrcReg2.uqw, (i + offset + 1) * 8 * size - 1, 3296521Sgblack@eecs.umich.edu (i + offset) * 8 * size); 3306521Sgblack@eecs.umich.edu result = insertBits(result, 3316521Sgblack@eecs.umich.edu (2 * i + 2) * 8 * size - 1, 3326521Sgblack@eecs.umich.edu (2 * i + 1) * 8 * size, 3336521Sgblack@eecs.umich.edu pickedHigh); 3346521Sgblack@eecs.umich.edu } 3356521Sgblack@eecs.umich.edu FpDestReg.uqw = result; 3366521Sgblack@eecs.umich.edu ''' 3376534Sgblack@eecs.umich.edu 3386546Sgblack@eecs.umich.edu class Pack(MediaOp): 3396546Sgblack@eecs.umich.edu code = ''' 3406546Sgblack@eecs.umich.edu assert(srcSize == destSize * 2); 3416546Sgblack@eecs.umich.edu int items = (sizeof(FloatRegBits) / destSize); 3426546Sgblack@eecs.umich.edu int destBits = destSize * 8; 3436546Sgblack@eecs.umich.edu int srcBits = srcSize * 8; 3446546Sgblack@eecs.umich.edu uint64_t result = 0; 3456546Sgblack@eecs.umich.edu int i; 3466546Sgblack@eecs.umich.edu for (i = 0; i < items / 2; i++) { 3476546Sgblack@eecs.umich.edu uint64_t picked = 3486546Sgblack@eecs.umich.edu bits(FpSrcReg1.uqw, (i + 1) * srcBits - 1, 3496546Sgblack@eecs.umich.edu (i + 0) * srcBits); 3506546Sgblack@eecs.umich.edu unsigned signBit = bits(picked, srcBits - 1); 3516546Sgblack@eecs.umich.edu uint64_t overflow = bits(picked, srcBits - 1, destBits - 1); 3526546Sgblack@eecs.umich.edu 3536546Sgblack@eecs.umich.edu // Handle saturation. 3546546Sgblack@eecs.umich.edu if (signBit) { 3556546Sgblack@eecs.umich.edu if (overflow != mask(destBits - srcBits + 1)) { 3566546Sgblack@eecs.umich.edu if (ext & 0x1) 3576546Sgblack@eecs.umich.edu picked = (1 << (destBits - 1)); 3586546Sgblack@eecs.umich.edu else 3596546Sgblack@eecs.umich.edu picked = 0; 3606546Sgblack@eecs.umich.edu } 3616546Sgblack@eecs.umich.edu } else { 3626546Sgblack@eecs.umich.edu if (overflow != 0) { 3636546Sgblack@eecs.umich.edu if (ext & 0x1) 3646546Sgblack@eecs.umich.edu picked = mask(destBits - 1); 3656546Sgblack@eecs.umich.edu else 3666546Sgblack@eecs.umich.edu picked = mask(destBits); 3676546Sgblack@eecs.umich.edu } 3686546Sgblack@eecs.umich.edu } 3696546Sgblack@eecs.umich.edu result = insertBits(result, 3706546Sgblack@eecs.umich.edu (i + 1) * destBits - 1, 3716546Sgblack@eecs.umich.edu (i + 0) * destBits, 3726546Sgblack@eecs.umich.edu picked); 3736546Sgblack@eecs.umich.edu } 3746546Sgblack@eecs.umich.edu for (;i < items; i++) { 3756546Sgblack@eecs.umich.edu uint64_t picked = 3766546Sgblack@eecs.umich.edu bits(FpSrcReg2.uqw, (i - items + 1) * srcBits - 1, 3776546Sgblack@eecs.umich.edu (i - items + 0) * srcBits); 3786546Sgblack@eecs.umich.edu unsigned signBit = bits(picked, srcBits - 1); 3796546Sgblack@eecs.umich.edu uint64_t overflow = bits(picked, srcBits - 1, destBits - 1); 3806546Sgblack@eecs.umich.edu 3816546Sgblack@eecs.umich.edu // Handle saturation. 3826546Sgblack@eecs.umich.edu if (signBit) { 3836546Sgblack@eecs.umich.edu if (overflow != mask(destBits - srcBits + 1)) { 3846546Sgblack@eecs.umich.edu if (ext & 0x1) 3856546Sgblack@eecs.umich.edu picked = (1 << (destBits - 1)); 3866546Sgblack@eecs.umich.edu else 3876546Sgblack@eecs.umich.edu picked = 0; 3886546Sgblack@eecs.umich.edu } 3896546Sgblack@eecs.umich.edu } else { 3906546Sgblack@eecs.umich.edu if (overflow != 0) { 3916546Sgblack@eecs.umich.edu if (ext & 0x1) 3926546Sgblack@eecs.umich.edu picked = mask(destBits - 1); 3936546Sgblack@eecs.umich.edu else 3946546Sgblack@eecs.umich.edu picked = mask(destBits); 3956546Sgblack@eecs.umich.edu } 3966546Sgblack@eecs.umich.edu } 3976546Sgblack@eecs.umich.edu result = insertBits(result, 3986546Sgblack@eecs.umich.edu (i + 1) * destBits - 1, 3996546Sgblack@eecs.umich.edu (i + 0) * destBits, 4006546Sgblack@eecs.umich.edu picked); 4016546Sgblack@eecs.umich.edu } 4026546Sgblack@eecs.umich.edu FpDestReg.uqw = result; 4036546Sgblack@eecs.umich.edu ''' 4046546Sgblack@eecs.umich.edu 4056534Sgblack@eecs.umich.edu class Mxor(MediaOp): 4066534Sgblack@eecs.umich.edu def __init__(self, dest, src1, src2): 4076534Sgblack@eecs.umich.edu super(Mxor, self).__init__(dest, src1, src2, 1) 4086534Sgblack@eecs.umich.edu code = ''' 4096534Sgblack@eecs.umich.edu FpDestReg.uqw = FpSrcReg1.uqw ^ FpSrcReg2.uqw; 4106534Sgblack@eecs.umich.edu ''' 4116537Sgblack@eecs.umich.edu 4126537Sgblack@eecs.umich.edu class Mor(MediaOp): 4136537Sgblack@eecs.umich.edu def __init__(self, dest, src1, src2): 4146537Sgblack@eecs.umich.edu super(Mor, self).__init__(dest, src1, src2, 1) 4156537Sgblack@eecs.umich.edu code = ''' 4166537Sgblack@eecs.umich.edu FpDestReg.uqw = FpSrcReg1.uqw | FpSrcReg2.uqw; 4176537Sgblack@eecs.umich.edu ''' 4186539Sgblack@eecs.umich.edu 4196539Sgblack@eecs.umich.edu class Mand(MediaOp): 4206539Sgblack@eecs.umich.edu def __init__(self, dest, src1, src2): 4216539Sgblack@eecs.umich.edu super(Mand, self).__init__(dest, src1, src2, 1) 4226539Sgblack@eecs.umich.edu code = ''' 4236539Sgblack@eecs.umich.edu FpDestReg.uqw = FpSrcReg1.uqw & FpSrcReg2.uqw; 4246539Sgblack@eecs.umich.edu ''' 4256541Sgblack@eecs.umich.edu 4266541Sgblack@eecs.umich.edu class Mandn(MediaOp): 4276541Sgblack@eecs.umich.edu def __init__(self, dest, src1, src2): 4286541Sgblack@eecs.umich.edu super(Mandn, self).__init__(dest, src1, src2, 1) 4296541Sgblack@eecs.umich.edu code = ''' 4306541Sgblack@eecs.umich.edu FpDestReg.uqw = ~FpSrcReg1.uqw & FpSrcReg2.uqw; 4316541Sgblack@eecs.umich.edu ''' 4326548Sgblack@eecs.umich.edu 4336548Sgblack@eecs.umich.edu class Mminf(MediaOp): 4346548Sgblack@eecs.umich.edu code = ''' 4356548Sgblack@eecs.umich.edu union floatInt 4366548Sgblack@eecs.umich.edu { 4376548Sgblack@eecs.umich.edu float f; 4386548Sgblack@eecs.umich.edu uint32_t i; 4396548Sgblack@eecs.umich.edu }; 4406548Sgblack@eecs.umich.edu union doubleInt 4416548Sgblack@eecs.umich.edu { 4426548Sgblack@eecs.umich.edu double d; 4436548Sgblack@eecs.umich.edu uint64_t i; 4446548Sgblack@eecs.umich.edu }; 4456548Sgblack@eecs.umich.edu 4466548Sgblack@eecs.umich.edu assert(srcSize == destSize); 4476548Sgblack@eecs.umich.edu int size = srcSize; 4486548Sgblack@eecs.umich.edu int sizeBits = size * 8; 4496548Sgblack@eecs.umich.edu assert(srcSize == 4 || srcSize == 8); 4506548Sgblack@eecs.umich.edu int items = (ext & 0x1) ? 1: (sizeof(FloatRegBits) / size); 4516548Sgblack@eecs.umich.edu uint64_t result = FpDestReg.uqw; 4526548Sgblack@eecs.umich.edu 4536548Sgblack@eecs.umich.edu for (int i = 0; i < items; i++) { 4546548Sgblack@eecs.umich.edu double arg1, arg2; 4556548Sgblack@eecs.umich.edu int hiIndex = (i + 1) * sizeBits - 1; 4566548Sgblack@eecs.umich.edu int loIndex = (i + 0) * sizeBits; 4576548Sgblack@eecs.umich.edu uint64_t arg1Bits = bits(FpSrcReg1.uqw, hiIndex, loIndex); 4586548Sgblack@eecs.umich.edu uint64_t arg2Bits = bits(FpSrcReg2.uqw, hiIndex, loIndex); 4596548Sgblack@eecs.umich.edu 4606548Sgblack@eecs.umich.edu if (size == 4) { 4616548Sgblack@eecs.umich.edu floatInt fi; 4626548Sgblack@eecs.umich.edu fi.i = arg1Bits; 4636548Sgblack@eecs.umich.edu arg1 = fi.f; 4646548Sgblack@eecs.umich.edu fi.i = arg2Bits; 4656548Sgblack@eecs.umich.edu arg2 = fi.f; 4666548Sgblack@eecs.umich.edu } else { 4676548Sgblack@eecs.umich.edu doubleInt di; 4686548Sgblack@eecs.umich.edu di.i = arg1Bits; 4696548Sgblack@eecs.umich.edu arg1 = di.d; 4706548Sgblack@eecs.umich.edu di.i = arg2Bits; 4716548Sgblack@eecs.umich.edu arg2 = di.d; 4726548Sgblack@eecs.umich.edu } 4736548Sgblack@eecs.umich.edu 4746548Sgblack@eecs.umich.edu if (arg1 < arg2) { 4756548Sgblack@eecs.umich.edu result = insertBits(result, hiIndex, loIndex, arg1Bits); 4766548Sgblack@eecs.umich.edu } else { 4776548Sgblack@eecs.umich.edu result = insertBits(result, hiIndex, loIndex, arg2Bits); 4786548Sgblack@eecs.umich.edu } 4796548Sgblack@eecs.umich.edu } 4806548Sgblack@eecs.umich.edu FpDestReg.uqw = result; 4816548Sgblack@eecs.umich.edu ''' 4826550Sgblack@eecs.umich.edu 4836550Sgblack@eecs.umich.edu class Mmaxf(MediaOp): 4846550Sgblack@eecs.umich.edu code = ''' 4856550Sgblack@eecs.umich.edu union floatInt 4866550Sgblack@eecs.umich.edu { 4876550Sgblack@eecs.umich.edu float f; 4886550Sgblack@eecs.umich.edu uint32_t i; 4896550Sgblack@eecs.umich.edu }; 4906550Sgblack@eecs.umich.edu union doubleInt 4916550Sgblack@eecs.umich.edu { 4926550Sgblack@eecs.umich.edu double d; 4936550Sgblack@eecs.umich.edu uint64_t i; 4946550Sgblack@eecs.umich.edu }; 4956550Sgblack@eecs.umich.edu 4966550Sgblack@eecs.umich.edu assert(srcSize == destSize); 4976550Sgblack@eecs.umich.edu int size = srcSize; 4986550Sgblack@eecs.umich.edu int sizeBits = size * 8; 4996550Sgblack@eecs.umich.edu assert(srcSize == 4 || srcSize == 8); 5006550Sgblack@eecs.umich.edu int items = (ext & 0x1) ? 1: (sizeof(FloatRegBits) / size); 5016550Sgblack@eecs.umich.edu uint64_t result = FpDestReg.uqw; 5026550Sgblack@eecs.umich.edu 5036550Sgblack@eecs.umich.edu for (int i = 0; i < items; i++) { 5046550Sgblack@eecs.umich.edu double arg1, arg2; 5056550Sgblack@eecs.umich.edu int hiIndex = (i + 1) * sizeBits - 1; 5066550Sgblack@eecs.umich.edu int loIndex = (i + 0) * sizeBits; 5076550Sgblack@eecs.umich.edu uint64_t arg1Bits = bits(FpSrcReg1.uqw, hiIndex, loIndex); 5086550Sgblack@eecs.umich.edu uint64_t arg2Bits = bits(FpSrcReg2.uqw, hiIndex, loIndex); 5096550Sgblack@eecs.umich.edu 5106550Sgblack@eecs.umich.edu if (size == 4) { 5116550Sgblack@eecs.umich.edu floatInt fi; 5126550Sgblack@eecs.umich.edu fi.i = arg1Bits; 5136550Sgblack@eecs.umich.edu arg1 = fi.f; 5146550Sgblack@eecs.umich.edu fi.i = arg2Bits; 5156550Sgblack@eecs.umich.edu arg2 = fi.f; 5166550Sgblack@eecs.umich.edu } else { 5176550Sgblack@eecs.umich.edu doubleInt di; 5186550Sgblack@eecs.umich.edu di.i = arg1Bits; 5196550Sgblack@eecs.umich.edu arg1 = di.d; 5206550Sgblack@eecs.umich.edu di.i = arg2Bits; 5216550Sgblack@eecs.umich.edu arg2 = di.d; 5226550Sgblack@eecs.umich.edu } 5236550Sgblack@eecs.umich.edu 5246550Sgblack@eecs.umich.edu if (arg1 > arg2) { 5256550Sgblack@eecs.umich.edu result = insertBits(result, hiIndex, loIndex, arg1Bits); 5266550Sgblack@eecs.umich.edu } else { 5276550Sgblack@eecs.umich.edu result = insertBits(result, hiIndex, loIndex, arg2Bits); 5286550Sgblack@eecs.umich.edu } 5296550Sgblack@eecs.umich.edu } 5306550Sgblack@eecs.umich.edu FpDestReg.uqw = result; 5316550Sgblack@eecs.umich.edu ''' 5326552Sgblack@eecs.umich.edu 5336572Sgblack@eecs.umich.edu class Mmini(MediaOp): 5346572Sgblack@eecs.umich.edu code = ''' 5356572Sgblack@eecs.umich.edu 5366572Sgblack@eecs.umich.edu assert(srcSize == destSize); 5376572Sgblack@eecs.umich.edu int size = srcSize; 5386572Sgblack@eecs.umich.edu int sizeBits = size * 8; 5396572Sgblack@eecs.umich.edu int items = (ext & 0x1) ? 1: (sizeof(FloatRegBits) / size); 5406572Sgblack@eecs.umich.edu uint64_t result = FpDestReg.uqw; 5416572Sgblack@eecs.umich.edu 5426572Sgblack@eecs.umich.edu for (int i = 0; i < items; i++) { 5436572Sgblack@eecs.umich.edu int hiIndex = (i + 1) * sizeBits - 1; 5446572Sgblack@eecs.umich.edu int loIndex = (i + 0) * sizeBits; 5456572Sgblack@eecs.umich.edu uint64_t arg1Bits = bits(FpSrcReg1.uqw, hiIndex, loIndex); 5466572Sgblack@eecs.umich.edu int64_t arg1 = arg1Bits | 5476572Sgblack@eecs.umich.edu (0 - (arg1Bits & (1 << (sizeBits - 1)))); 5486572Sgblack@eecs.umich.edu uint64_t arg2Bits = bits(FpSrcReg2.uqw, hiIndex, loIndex); 5496572Sgblack@eecs.umich.edu int64_t arg2 = arg2Bits | 5506572Sgblack@eecs.umich.edu (0 - (arg2Bits & (1 << (sizeBits - 1)))); 5516572Sgblack@eecs.umich.edu uint64_t resBits; 5526572Sgblack@eecs.umich.edu 5536572Sgblack@eecs.umich.edu if (ext & 0x2) { 5546572Sgblack@eecs.umich.edu if (arg1 < arg2) { 5556572Sgblack@eecs.umich.edu resBits = arg1Bits; 5566572Sgblack@eecs.umich.edu } else { 5576572Sgblack@eecs.umich.edu resBits = arg2Bits; 5586572Sgblack@eecs.umich.edu } 5596572Sgblack@eecs.umich.edu } else { 5606572Sgblack@eecs.umich.edu if (arg1Bits < arg2Bits) { 5616572Sgblack@eecs.umich.edu resBits = arg1Bits; 5626572Sgblack@eecs.umich.edu } else { 5636572Sgblack@eecs.umich.edu resBits = arg2Bits; 5646572Sgblack@eecs.umich.edu } 5656572Sgblack@eecs.umich.edu } 5666572Sgblack@eecs.umich.edu result = insertBits(result, hiIndex, loIndex, resBits); 5676572Sgblack@eecs.umich.edu } 5686572Sgblack@eecs.umich.edu FpDestReg.uqw = result; 5696572Sgblack@eecs.umich.edu ''' 5706572Sgblack@eecs.umich.edu 5716574Sgblack@eecs.umich.edu class Mmaxi(MediaOp): 5726574Sgblack@eecs.umich.edu code = ''' 5736574Sgblack@eecs.umich.edu 5746574Sgblack@eecs.umich.edu assert(srcSize == destSize); 5756574Sgblack@eecs.umich.edu int size = srcSize; 5766574Sgblack@eecs.umich.edu int sizeBits = size * 8; 5776574Sgblack@eecs.umich.edu int items = (ext & 0x1) ? 1: (sizeof(FloatRegBits) / size); 5786574Sgblack@eecs.umich.edu uint64_t result = FpDestReg.uqw; 5796574Sgblack@eecs.umich.edu 5806574Sgblack@eecs.umich.edu for (int i = 0; i < items; i++) { 5816574Sgblack@eecs.umich.edu int hiIndex = (i + 1) * sizeBits - 1; 5826574Sgblack@eecs.umich.edu int loIndex = (i + 0) * sizeBits; 5836574Sgblack@eecs.umich.edu uint64_t arg1Bits = bits(FpSrcReg1.uqw, hiIndex, loIndex); 5846574Sgblack@eecs.umich.edu int64_t arg1 = arg1Bits | 5856574Sgblack@eecs.umich.edu (0 - (arg1Bits & (1 << (sizeBits - 1)))); 5866574Sgblack@eecs.umich.edu uint64_t arg2Bits = bits(FpSrcReg2.uqw, hiIndex, loIndex); 5876574Sgblack@eecs.umich.edu int64_t arg2 = arg2Bits | 5886574Sgblack@eecs.umich.edu (0 - (arg2Bits & (1 << (sizeBits - 1)))); 5896574Sgblack@eecs.umich.edu uint64_t resBits; 5906574Sgblack@eecs.umich.edu 5916574Sgblack@eecs.umich.edu if (ext & 0x2) { 5926574Sgblack@eecs.umich.edu if (arg1 > arg2) { 5936574Sgblack@eecs.umich.edu resBits = arg1Bits; 5946574Sgblack@eecs.umich.edu } else { 5956574Sgblack@eecs.umich.edu resBits = arg2Bits; 5966574Sgblack@eecs.umich.edu } 5976574Sgblack@eecs.umich.edu } else { 5986574Sgblack@eecs.umich.edu if (arg1Bits > arg2Bits) { 5996574Sgblack@eecs.umich.edu resBits = arg1Bits; 6006574Sgblack@eecs.umich.edu } else { 6016574Sgblack@eecs.umich.edu resBits = arg2Bits; 6026574Sgblack@eecs.umich.edu } 6036574Sgblack@eecs.umich.edu } 6046574Sgblack@eecs.umich.edu result = insertBits(result, hiIndex, loIndex, resBits); 6056574Sgblack@eecs.umich.edu } 6066574Sgblack@eecs.umich.edu FpDestReg.uqw = result; 6076574Sgblack@eecs.umich.edu ''' 6086574Sgblack@eecs.umich.edu 6096552Sgblack@eecs.umich.edu class Msqrt(MediaOp): 6106552Sgblack@eecs.umich.edu def __init__(self, dest, src, \ 6116552Sgblack@eecs.umich.edu size = None, destSize = None, srcSize = None, ext = None): 6126552Sgblack@eecs.umich.edu super(Msqrt, self).__init__(dest, src,\ 6136552Sgblack@eecs.umich.edu "InstRegIndex(0)", size, destSize, srcSize, ext) 6146552Sgblack@eecs.umich.edu code = ''' 6156552Sgblack@eecs.umich.edu union floatInt 6166552Sgblack@eecs.umich.edu { 6176552Sgblack@eecs.umich.edu float f; 6186552Sgblack@eecs.umich.edu uint32_t i; 6196552Sgblack@eecs.umich.edu }; 6206552Sgblack@eecs.umich.edu union doubleInt 6216552Sgblack@eecs.umich.edu { 6226552Sgblack@eecs.umich.edu double d; 6236552Sgblack@eecs.umich.edu uint64_t i; 6246552Sgblack@eecs.umich.edu }; 6256552Sgblack@eecs.umich.edu 6266552Sgblack@eecs.umich.edu assert(srcSize == destSize); 6276552Sgblack@eecs.umich.edu int size = srcSize; 6286552Sgblack@eecs.umich.edu int sizeBits = size * 8; 6296552Sgblack@eecs.umich.edu assert(srcSize == 4 || srcSize == 8); 6306552Sgblack@eecs.umich.edu int items = (ext & 0x1) ? 1: (sizeof(FloatRegBits) / size); 6316552Sgblack@eecs.umich.edu uint64_t result = FpDestReg.uqw; 6326552Sgblack@eecs.umich.edu 6336552Sgblack@eecs.umich.edu for (int i = 0; i < items; i++) { 6346552Sgblack@eecs.umich.edu int hiIndex = (i + 1) * sizeBits - 1; 6356552Sgblack@eecs.umich.edu int loIndex = (i + 0) * sizeBits; 6366552Sgblack@eecs.umich.edu uint64_t argBits = bits(FpSrcReg1.uqw, hiIndex, loIndex); 6376552Sgblack@eecs.umich.edu 6386552Sgblack@eecs.umich.edu if (size == 4) { 6396552Sgblack@eecs.umich.edu floatInt fi; 6406552Sgblack@eecs.umich.edu fi.i = argBits; 6416552Sgblack@eecs.umich.edu fi.f = sqrt(fi.f); 6426552Sgblack@eecs.umich.edu argBits = fi.i; 6436552Sgblack@eecs.umich.edu } else { 6446552Sgblack@eecs.umich.edu doubleInt di; 6456552Sgblack@eecs.umich.edu di.i = argBits; 6466552Sgblack@eecs.umich.edu di.d = sqrt(di.d); 6476552Sgblack@eecs.umich.edu argBits = di.i; 6486552Sgblack@eecs.umich.edu } 6496552Sgblack@eecs.umich.edu result = insertBits(result, hiIndex, loIndex, argBits); 6506552Sgblack@eecs.umich.edu } 6516552Sgblack@eecs.umich.edu FpDestReg.uqw = result; 6526552Sgblack@eecs.umich.edu ''' 6536554Sgblack@eecs.umich.edu 6546554Sgblack@eecs.umich.edu class Maddf(MediaOp): 6556554Sgblack@eecs.umich.edu code = ''' 6566554Sgblack@eecs.umich.edu union floatInt 6576554Sgblack@eecs.umich.edu { 6586554Sgblack@eecs.umich.edu float f; 6596554Sgblack@eecs.umich.edu uint32_t i; 6606554Sgblack@eecs.umich.edu }; 6616554Sgblack@eecs.umich.edu union doubleInt 6626554Sgblack@eecs.umich.edu { 6636554Sgblack@eecs.umich.edu double d; 6646554Sgblack@eecs.umich.edu uint64_t i; 6656554Sgblack@eecs.umich.edu }; 6666554Sgblack@eecs.umich.edu 6676554Sgblack@eecs.umich.edu assert(srcSize == destSize); 6686554Sgblack@eecs.umich.edu int size = srcSize; 6696554Sgblack@eecs.umich.edu int sizeBits = size * 8; 6706554Sgblack@eecs.umich.edu assert(srcSize == 4 || srcSize == 8); 6716554Sgblack@eecs.umich.edu int items = (ext & 0x1) ? 1: (sizeof(FloatRegBits) / size); 6726554Sgblack@eecs.umich.edu uint64_t result = FpDestReg.uqw; 6736554Sgblack@eecs.umich.edu 6746554Sgblack@eecs.umich.edu for (int i = 0; i < items; i++) { 6756554Sgblack@eecs.umich.edu int hiIndex = (i + 1) * sizeBits - 1; 6766554Sgblack@eecs.umich.edu int loIndex = (i + 0) * sizeBits; 6776554Sgblack@eecs.umich.edu uint64_t arg1Bits = bits(FpSrcReg1.uqw, hiIndex, loIndex); 6786554Sgblack@eecs.umich.edu uint64_t arg2Bits = bits(FpSrcReg2.uqw, hiIndex, loIndex); 6796554Sgblack@eecs.umich.edu uint64_t resBits; 6806554Sgblack@eecs.umich.edu 6816554Sgblack@eecs.umich.edu if (size == 4) { 6826554Sgblack@eecs.umich.edu floatInt arg1, arg2, res; 6836554Sgblack@eecs.umich.edu arg1.i = arg1Bits; 6846554Sgblack@eecs.umich.edu arg2.i = arg2Bits; 6856554Sgblack@eecs.umich.edu res.f = arg1.f + arg2.f; 6866554Sgblack@eecs.umich.edu resBits = res.i; 6876554Sgblack@eecs.umich.edu } else { 6886554Sgblack@eecs.umich.edu doubleInt arg1, arg2, res; 6896554Sgblack@eecs.umich.edu arg1.i = arg1Bits; 6906554Sgblack@eecs.umich.edu arg2.i = arg2Bits; 6916554Sgblack@eecs.umich.edu res.d = arg1.d + arg2.d; 6926554Sgblack@eecs.umich.edu resBits = res.i; 6936554Sgblack@eecs.umich.edu } 6946554Sgblack@eecs.umich.edu 6956554Sgblack@eecs.umich.edu result = insertBits(result, hiIndex, loIndex, resBits); 6966554Sgblack@eecs.umich.edu } 6976554Sgblack@eecs.umich.edu FpDestReg.uqw = result; 6986554Sgblack@eecs.umich.edu ''' 6996556Sgblack@eecs.umich.edu 7006556Sgblack@eecs.umich.edu class Msubf(MediaOp): 7016556Sgblack@eecs.umich.edu code = ''' 7026556Sgblack@eecs.umich.edu union floatInt 7036556Sgblack@eecs.umich.edu { 7046556Sgblack@eecs.umich.edu float f; 7056556Sgblack@eecs.umich.edu uint32_t i; 7066556Sgblack@eecs.umich.edu }; 7076556Sgblack@eecs.umich.edu union doubleInt 7086556Sgblack@eecs.umich.edu { 7096556Sgblack@eecs.umich.edu double d; 7106556Sgblack@eecs.umich.edu uint64_t i; 7116556Sgblack@eecs.umich.edu }; 7126556Sgblack@eecs.umich.edu 7136556Sgblack@eecs.umich.edu assert(srcSize == destSize); 7146556Sgblack@eecs.umich.edu int size = srcSize; 7156556Sgblack@eecs.umich.edu int sizeBits = size * 8; 7166556Sgblack@eecs.umich.edu assert(srcSize == 4 || srcSize == 8); 7176556Sgblack@eecs.umich.edu int items = (ext & 0x1) ? 1: (sizeof(FloatRegBits) / size); 7186556Sgblack@eecs.umich.edu uint64_t result = FpDestReg.uqw; 7196556Sgblack@eecs.umich.edu 7206556Sgblack@eecs.umich.edu for (int i = 0; i < items; i++) { 7216556Sgblack@eecs.umich.edu int hiIndex = (i + 1) * sizeBits - 1; 7226556Sgblack@eecs.umich.edu int loIndex = (i + 0) * sizeBits; 7236556Sgblack@eecs.umich.edu uint64_t arg1Bits = bits(FpSrcReg1.uqw, hiIndex, loIndex); 7246556Sgblack@eecs.umich.edu uint64_t arg2Bits = bits(FpSrcReg2.uqw, hiIndex, loIndex); 7256556Sgblack@eecs.umich.edu uint64_t resBits; 7266556Sgblack@eecs.umich.edu 7276556Sgblack@eecs.umich.edu if (size == 4) { 7286556Sgblack@eecs.umich.edu floatInt arg1, arg2, res; 7296556Sgblack@eecs.umich.edu arg1.i = arg1Bits; 7306556Sgblack@eecs.umich.edu arg2.i = arg2Bits; 7316556Sgblack@eecs.umich.edu res.f = arg1.f - arg2.f; 7326556Sgblack@eecs.umich.edu resBits = res.i; 7336556Sgblack@eecs.umich.edu } else { 7346556Sgblack@eecs.umich.edu doubleInt arg1, arg2, res; 7356556Sgblack@eecs.umich.edu arg1.i = arg1Bits; 7366556Sgblack@eecs.umich.edu arg2.i = arg2Bits; 7376556Sgblack@eecs.umich.edu res.d = arg1.d - arg2.d; 7386556Sgblack@eecs.umich.edu resBits = res.i; 7396556Sgblack@eecs.umich.edu } 7406556Sgblack@eecs.umich.edu 7416556Sgblack@eecs.umich.edu result = insertBits(result, hiIndex, loIndex, resBits); 7426556Sgblack@eecs.umich.edu } 7436556Sgblack@eecs.umich.edu FpDestReg.uqw = result; 7446556Sgblack@eecs.umich.edu ''' 7456558Sgblack@eecs.umich.edu 7466558Sgblack@eecs.umich.edu class Mmulf(MediaOp): 7476558Sgblack@eecs.umich.edu code = ''' 7486558Sgblack@eecs.umich.edu union floatInt 7496558Sgblack@eecs.umich.edu { 7506558Sgblack@eecs.umich.edu float f; 7516558Sgblack@eecs.umich.edu uint32_t i; 7526558Sgblack@eecs.umich.edu }; 7536558Sgblack@eecs.umich.edu union doubleInt 7546558Sgblack@eecs.umich.edu { 7556558Sgblack@eecs.umich.edu double d; 7566558Sgblack@eecs.umich.edu uint64_t i; 7576558Sgblack@eecs.umich.edu }; 7586558Sgblack@eecs.umich.edu 7596558Sgblack@eecs.umich.edu assert(srcSize == destSize); 7606558Sgblack@eecs.umich.edu int size = srcSize; 7616558Sgblack@eecs.umich.edu int sizeBits = size * 8; 7626558Sgblack@eecs.umich.edu assert(srcSize == 4 || srcSize == 8); 7636558Sgblack@eecs.umich.edu int items = (ext & 0x1) ? 1: (sizeof(FloatRegBits) / size); 7646558Sgblack@eecs.umich.edu uint64_t result = FpDestReg.uqw; 7656558Sgblack@eecs.umich.edu 7666558Sgblack@eecs.umich.edu for (int i = 0; i < items; i++) { 7676558Sgblack@eecs.umich.edu int hiIndex = (i + 1) * sizeBits - 1; 7686558Sgblack@eecs.umich.edu int loIndex = (i + 0) * sizeBits; 7696558Sgblack@eecs.umich.edu uint64_t arg1Bits = bits(FpSrcReg1.uqw, hiIndex, loIndex); 7706558Sgblack@eecs.umich.edu uint64_t arg2Bits = bits(FpSrcReg2.uqw, hiIndex, loIndex); 7716558Sgblack@eecs.umich.edu uint64_t resBits; 7726558Sgblack@eecs.umich.edu 7736558Sgblack@eecs.umich.edu if (size == 4) { 7746558Sgblack@eecs.umich.edu floatInt arg1, arg2, res; 7756558Sgblack@eecs.umich.edu arg1.i = arg1Bits; 7766558Sgblack@eecs.umich.edu arg2.i = arg2Bits; 7776558Sgblack@eecs.umich.edu res.f = arg1.f * arg2.f; 7786558Sgblack@eecs.umich.edu resBits = res.i; 7796558Sgblack@eecs.umich.edu } else { 7806558Sgblack@eecs.umich.edu doubleInt arg1, arg2, res; 7816558Sgblack@eecs.umich.edu arg1.i = arg1Bits; 7826558Sgblack@eecs.umich.edu arg2.i = arg2Bits; 7836558Sgblack@eecs.umich.edu res.d = arg1.d * arg2.d; 7846558Sgblack@eecs.umich.edu resBits = res.i; 7856558Sgblack@eecs.umich.edu } 7866558Sgblack@eecs.umich.edu 7876558Sgblack@eecs.umich.edu result = insertBits(result, hiIndex, loIndex, resBits); 7886558Sgblack@eecs.umich.edu } 7896558Sgblack@eecs.umich.edu FpDestReg.uqw = result; 7906558Sgblack@eecs.umich.edu ''' 7916560Sgblack@eecs.umich.edu 7926560Sgblack@eecs.umich.edu class Mdivf(MediaOp): 7936560Sgblack@eecs.umich.edu code = ''' 7946560Sgblack@eecs.umich.edu union floatInt 7956560Sgblack@eecs.umich.edu { 7966560Sgblack@eecs.umich.edu float f; 7976560Sgblack@eecs.umich.edu uint32_t i; 7986560Sgblack@eecs.umich.edu }; 7996560Sgblack@eecs.umich.edu union doubleInt 8006560Sgblack@eecs.umich.edu { 8016560Sgblack@eecs.umich.edu double d; 8026560Sgblack@eecs.umich.edu uint64_t i; 8036560Sgblack@eecs.umich.edu }; 8046560Sgblack@eecs.umich.edu 8056560Sgblack@eecs.umich.edu assert(srcSize == destSize); 8066560Sgblack@eecs.umich.edu int size = srcSize; 8076560Sgblack@eecs.umich.edu int sizeBits = size * 8; 8086560Sgblack@eecs.umich.edu assert(srcSize == 4 || srcSize == 8); 8096560Sgblack@eecs.umich.edu int items = (ext & 0x1) ? 1: (sizeof(FloatRegBits) / size); 8106560Sgblack@eecs.umich.edu uint64_t result = FpDestReg.uqw; 8116560Sgblack@eecs.umich.edu 8126560Sgblack@eecs.umich.edu for (int i = 0; i < items; i++) { 8136560Sgblack@eecs.umich.edu int hiIndex = (i + 1) * sizeBits - 1; 8146560Sgblack@eecs.umich.edu int loIndex = (i + 0) * sizeBits; 8156560Sgblack@eecs.umich.edu uint64_t arg1Bits = bits(FpSrcReg1.uqw, hiIndex, loIndex); 8166560Sgblack@eecs.umich.edu uint64_t arg2Bits = bits(FpSrcReg2.uqw, hiIndex, loIndex); 8176560Sgblack@eecs.umich.edu uint64_t resBits; 8186560Sgblack@eecs.umich.edu 8196560Sgblack@eecs.umich.edu if (size == 4) { 8206560Sgblack@eecs.umich.edu floatInt arg1, arg2, res; 8216560Sgblack@eecs.umich.edu arg1.i = arg1Bits; 8226560Sgblack@eecs.umich.edu arg2.i = arg2Bits; 8236560Sgblack@eecs.umich.edu res.f = arg1.f / arg2.f; 8246560Sgblack@eecs.umich.edu resBits = res.i; 8256560Sgblack@eecs.umich.edu } else { 8266560Sgblack@eecs.umich.edu doubleInt arg1, arg2, res; 8276560Sgblack@eecs.umich.edu arg1.i = arg1Bits; 8286560Sgblack@eecs.umich.edu arg2.i = arg2Bits; 8296560Sgblack@eecs.umich.edu res.d = arg1.d / arg2.d; 8306560Sgblack@eecs.umich.edu resBits = res.i; 8316560Sgblack@eecs.umich.edu } 8326560Sgblack@eecs.umich.edu 8336560Sgblack@eecs.umich.edu result = insertBits(result, hiIndex, loIndex, resBits); 8346560Sgblack@eecs.umich.edu } 8356560Sgblack@eecs.umich.edu FpDestReg.uqw = result; 8366560Sgblack@eecs.umich.edu ''' 8376562Sgblack@eecs.umich.edu 8386570Sgblack@eecs.umich.edu class Maddi(MediaOp): 8396570Sgblack@eecs.umich.edu code = ''' 8406570Sgblack@eecs.umich.edu assert(srcSize == destSize); 8416570Sgblack@eecs.umich.edu int size = srcSize; 8426570Sgblack@eecs.umich.edu int sizeBits = size * 8; 8436570Sgblack@eecs.umich.edu int items = (ext & 0x1) ? 1: (sizeof(FloatRegBits) / size); 8446570Sgblack@eecs.umich.edu uint64_t result = FpDestReg.uqw; 8456570Sgblack@eecs.umich.edu 8466570Sgblack@eecs.umich.edu for (int i = 0; i < items; i++) { 8476570Sgblack@eecs.umich.edu int hiIndex = (i + 1) * sizeBits - 1; 8486570Sgblack@eecs.umich.edu int loIndex = (i + 0) * sizeBits; 8496570Sgblack@eecs.umich.edu uint64_t arg1Bits = bits(FpSrcReg1.uqw, hiIndex, loIndex); 8506570Sgblack@eecs.umich.edu uint64_t arg2Bits = bits(FpSrcReg2.uqw, hiIndex, loIndex); 8516570Sgblack@eecs.umich.edu uint64_t resBits = arg1Bits + arg2Bits; 8526570Sgblack@eecs.umich.edu 8536570Sgblack@eecs.umich.edu if (ext & 0x2) { 8546570Sgblack@eecs.umich.edu if (findCarry(sizeBits, resBits, arg1Bits, arg2Bits)) 8556570Sgblack@eecs.umich.edu resBits = mask(sizeBits); 8566570Sgblack@eecs.umich.edu } else if (ext & 0x4) { 8576570Sgblack@eecs.umich.edu int arg1Sign = bits(arg1Bits, sizeBits - 1); 8586570Sgblack@eecs.umich.edu int arg2Sign = bits(arg2Bits, sizeBits - 1); 8596570Sgblack@eecs.umich.edu int resSign = bits(resBits, sizeBits - 1); 8606570Sgblack@eecs.umich.edu if ((arg1Sign == arg2Sign) && (arg1Sign != resSign)) { 8616570Sgblack@eecs.umich.edu if (resSign == 0) 8626570Sgblack@eecs.umich.edu resBits = (1 << (sizeBits - 1)); 8636570Sgblack@eecs.umich.edu else 8646570Sgblack@eecs.umich.edu resBits = mask(sizeBits - 1); 8656570Sgblack@eecs.umich.edu } 8666570Sgblack@eecs.umich.edu } 8676570Sgblack@eecs.umich.edu 8686570Sgblack@eecs.umich.edu result = insertBits(result, hiIndex, loIndex, resBits); 8696570Sgblack@eecs.umich.edu } 8706570Sgblack@eecs.umich.edu FpDestReg.uqw = result; 8716570Sgblack@eecs.umich.edu ''' 8726570Sgblack@eecs.umich.edu 8736579Sgblack@eecs.umich.edu class Msubi(MediaOp): 8746579Sgblack@eecs.umich.edu code = ''' 8756579Sgblack@eecs.umich.edu assert(srcSize == destSize); 8766579Sgblack@eecs.umich.edu int size = srcSize; 8776579Sgblack@eecs.umich.edu int sizeBits = size * 8; 8786579Sgblack@eecs.umich.edu int items = (ext & 0x1) ? 1: (sizeof(FloatRegBits) / size); 8796579Sgblack@eecs.umich.edu uint64_t result = FpDestReg.uqw; 8806579Sgblack@eecs.umich.edu 8816579Sgblack@eecs.umich.edu for (int i = 0; i < items; i++) { 8826579Sgblack@eecs.umich.edu int hiIndex = (i + 1) * sizeBits - 1; 8836579Sgblack@eecs.umich.edu int loIndex = (i + 0) * sizeBits; 8846579Sgblack@eecs.umich.edu uint64_t arg1Bits = bits(FpSrcReg1.uqw, hiIndex, loIndex); 8856579Sgblack@eecs.umich.edu uint64_t arg2Bits = bits(FpSrcReg2.uqw, hiIndex, loIndex); 8866579Sgblack@eecs.umich.edu uint64_t resBits = arg1Bits - arg2Bits; 8876579Sgblack@eecs.umich.edu 8886579Sgblack@eecs.umich.edu if (ext & 0x2) { 8896579Sgblack@eecs.umich.edu if (arg2Bits > arg1Bits) { 8906579Sgblack@eecs.umich.edu resBits = 0; 8916579Sgblack@eecs.umich.edu } else if (!findCarry(sizeBits, resBits, 8926579Sgblack@eecs.umich.edu arg1Bits, ~arg2Bits)) { 8936579Sgblack@eecs.umich.edu resBits = mask(sizeBits); 8946579Sgblack@eecs.umich.edu } 8956579Sgblack@eecs.umich.edu } else if (ext & 0x4) { 8966579Sgblack@eecs.umich.edu int arg1Sign = bits(arg1Bits, sizeBits - 1); 8976579Sgblack@eecs.umich.edu int arg2Sign = !bits(arg2Bits, sizeBits - 1); 8986579Sgblack@eecs.umich.edu int resSign = bits(resBits, sizeBits - 1); 8996579Sgblack@eecs.umich.edu if ((arg1Sign == arg2Sign) && (arg1Sign != resSign)) { 9006579Sgblack@eecs.umich.edu if (resSign == 0) 9016579Sgblack@eecs.umich.edu resBits = (1 << (sizeBits - 1)); 9026579Sgblack@eecs.umich.edu else 9036579Sgblack@eecs.umich.edu resBits = mask(sizeBits - 1); 9046579Sgblack@eecs.umich.edu } 9056579Sgblack@eecs.umich.edu } 9066579Sgblack@eecs.umich.edu 9076579Sgblack@eecs.umich.edu result = insertBits(result, hiIndex, loIndex, resBits); 9086579Sgblack@eecs.umich.edu } 9096579Sgblack@eecs.umich.edu FpDestReg.uqw = result; 9106579Sgblack@eecs.umich.edu ''' 9116579Sgblack@eecs.umich.edu 9126577Sgblack@eecs.umich.edu class Mmuli(MediaOp): 9136577Sgblack@eecs.umich.edu code = ''' 9146577Sgblack@eecs.umich.edu int srcBits = srcSize * 8; 9156577Sgblack@eecs.umich.edu int destBits = destSize * 8; 9166577Sgblack@eecs.umich.edu assert(destBits <= 64); 9176577Sgblack@eecs.umich.edu assert(destSize >= srcSize); 9186577Sgblack@eecs.umich.edu int items = (ext & 0x1) ? 1: (sizeof(FloatRegBits) / destSize); 9196577Sgblack@eecs.umich.edu uint64_t result = FpDestReg.uqw; 9206577Sgblack@eecs.umich.edu 9216577Sgblack@eecs.umich.edu for (int i = 0; i < items; i++) { 9226577Sgblack@eecs.umich.edu int srcHiIndex = (i + 1) * srcBits - 1; 9236577Sgblack@eecs.umich.edu int srcLoIndex = (i + 0) * srcBits; 9246577Sgblack@eecs.umich.edu uint64_t arg1Bits = bits(FpSrcReg1.uqw, srcHiIndex, srcLoIndex); 9256577Sgblack@eecs.umich.edu uint64_t arg2Bits = bits(FpSrcReg2.uqw, srcHiIndex, srcLoIndex); 9266577Sgblack@eecs.umich.edu uint64_t resBits; 9276577Sgblack@eecs.umich.edu 9286577Sgblack@eecs.umich.edu if (ext & 0x2) { 9296577Sgblack@eecs.umich.edu int64_t arg1 = arg1Bits | 9306577Sgblack@eecs.umich.edu (0 - (arg1Bits & (1 << (srcBits - 1)))); 9316577Sgblack@eecs.umich.edu int64_t arg2 = arg2Bits | 9326577Sgblack@eecs.umich.edu (0 - (arg2Bits & (1 << (srcBits - 1)))); 9336577Sgblack@eecs.umich.edu resBits = (uint64_t)(arg1 * arg2); 9346577Sgblack@eecs.umich.edu } else { 9356577Sgblack@eecs.umich.edu resBits = arg1Bits * arg2Bits; 9366577Sgblack@eecs.umich.edu } 9376577Sgblack@eecs.umich.edu 9386577Sgblack@eecs.umich.edu if (ext & 0x4) 9396577Sgblack@eecs.umich.edu resBits += (1 << (destBits - 1)); 9406577Sgblack@eecs.umich.edu 9416577Sgblack@eecs.umich.edu if (ext & 0x8) 9426577Sgblack@eecs.umich.edu resBits >>= destBits; 9436577Sgblack@eecs.umich.edu 9446577Sgblack@eecs.umich.edu int destHiIndex = (i + 1) * destBits - 1; 9456577Sgblack@eecs.umich.edu int destLoIndex = (i + 0) * destBits; 9466577Sgblack@eecs.umich.edu result = insertBits(result, destHiIndex, destLoIndex, resBits); 9476577Sgblack@eecs.umich.edu } 9486577Sgblack@eecs.umich.edu FpDestReg.uqw = result; 9496577Sgblack@eecs.umich.edu ''' 9506577Sgblack@eecs.umich.edu 9516562Sgblack@eecs.umich.edu class Cvti2f(MediaOp): 9526562Sgblack@eecs.umich.edu def __init__(self, dest, src, \ 9536562Sgblack@eecs.umich.edu size = None, destSize = None, srcSize = None, ext = None): 9546562Sgblack@eecs.umich.edu super(Cvti2f, self).__init__(dest, src,\ 9556562Sgblack@eecs.umich.edu "InstRegIndex(0)", size, destSize, srcSize, ext) 9566562Sgblack@eecs.umich.edu code = ''' 9576562Sgblack@eecs.umich.edu union floatInt 9586562Sgblack@eecs.umich.edu { 9596562Sgblack@eecs.umich.edu float f; 9606562Sgblack@eecs.umich.edu uint32_t i; 9616562Sgblack@eecs.umich.edu }; 9626562Sgblack@eecs.umich.edu union doubleInt 9636562Sgblack@eecs.umich.edu { 9646562Sgblack@eecs.umich.edu double d; 9656562Sgblack@eecs.umich.edu uint64_t i; 9666562Sgblack@eecs.umich.edu }; 9676562Sgblack@eecs.umich.edu 9686562Sgblack@eecs.umich.edu assert(destSize == 4 || destSize == 8); 9696562Sgblack@eecs.umich.edu assert(srcSize == 4 || srcSize == 8); 9706562Sgblack@eecs.umich.edu int srcSizeBits = srcSize * 8; 9716562Sgblack@eecs.umich.edu int destSizeBits = destSize * 8; 9726562Sgblack@eecs.umich.edu int items; 9736562Sgblack@eecs.umich.edu int srcStart = 0; 9746562Sgblack@eecs.umich.edu int destStart = 0; 9756562Sgblack@eecs.umich.edu if (srcSize == 2 * destSize) { 9766562Sgblack@eecs.umich.edu items = (ext & 0x1) ? 1: sizeof(FloatRegBits) / srcSize; 9776562Sgblack@eecs.umich.edu if (ext & 0x2) 9786562Sgblack@eecs.umich.edu destStart = destSizeBits * items; 9796562Sgblack@eecs.umich.edu } else if (destSize == 2 * srcSize) { 9806562Sgblack@eecs.umich.edu items = (ext & 0x1) ? 1: sizeof(FloatRegBits) / destSize; 9816562Sgblack@eecs.umich.edu if (ext & 0x2) 9826562Sgblack@eecs.umich.edu srcStart = srcSizeBits * items; 9836562Sgblack@eecs.umich.edu } else { 9846562Sgblack@eecs.umich.edu items = (ext & 0x1) ? 1: sizeof(FloatRegBits) / destSize; 9856562Sgblack@eecs.umich.edu } 9866562Sgblack@eecs.umich.edu uint64_t result = FpDestReg.uqw; 9876562Sgblack@eecs.umich.edu 9886562Sgblack@eecs.umich.edu for (int i = 0; i < items; i++) { 9896562Sgblack@eecs.umich.edu int srcHiIndex = srcStart + (i + 1) * srcSizeBits - 1; 9906562Sgblack@eecs.umich.edu int srcLoIndex = srcStart + (i + 0) * srcSizeBits; 9916562Sgblack@eecs.umich.edu uint64_t argBits = bits(FpSrcReg1.uqw, srcHiIndex, srcLoIndex); 9926562Sgblack@eecs.umich.edu int64_t sArg = argBits | (0 - (argBits & (1 << srcHiIndex))); 9936562Sgblack@eecs.umich.edu double arg = sArg; 9946562Sgblack@eecs.umich.edu 9956562Sgblack@eecs.umich.edu if (destSize == 4) { 9966562Sgblack@eecs.umich.edu floatInt fi; 9976562Sgblack@eecs.umich.edu fi.f = arg; 9986562Sgblack@eecs.umich.edu argBits = fi.i; 9996562Sgblack@eecs.umich.edu } else { 10006562Sgblack@eecs.umich.edu doubleInt di; 10016562Sgblack@eecs.umich.edu di.d = arg; 10026562Sgblack@eecs.umich.edu argBits = di.i; 10036562Sgblack@eecs.umich.edu } 10046562Sgblack@eecs.umich.edu int destHiIndex = destStart + (i + 1) * destSizeBits - 1; 10056562Sgblack@eecs.umich.edu int destLoIndex = destStart + (i + 0) * destSizeBits; 10066562Sgblack@eecs.umich.edu result = insertBits(result, destHiIndex, destLoIndex, argBits); 10076562Sgblack@eecs.umich.edu } 10086562Sgblack@eecs.umich.edu FpDestReg.uqw = result; 10096562Sgblack@eecs.umich.edu ''' 10106566Sgblack@eecs.umich.edu 10116568Sgblack@eecs.umich.edu class Cvtf2f(MediaOp): 10126568Sgblack@eecs.umich.edu def __init__(self, dest, src, \ 10136568Sgblack@eecs.umich.edu size = None, destSize = None, srcSize = None, ext = None): 10146568Sgblack@eecs.umich.edu super(Cvtf2f, self).__init__(dest, src,\ 10156568Sgblack@eecs.umich.edu "InstRegIndex(0)", size, destSize, srcSize, ext) 10166568Sgblack@eecs.umich.edu code = ''' 10176568Sgblack@eecs.umich.edu union floatInt 10186568Sgblack@eecs.umich.edu { 10196568Sgblack@eecs.umich.edu float f; 10206568Sgblack@eecs.umich.edu uint32_t i; 10216568Sgblack@eecs.umich.edu }; 10226568Sgblack@eecs.umich.edu union doubleInt 10236568Sgblack@eecs.umich.edu { 10246568Sgblack@eecs.umich.edu double d; 10256568Sgblack@eecs.umich.edu uint64_t i; 10266568Sgblack@eecs.umich.edu }; 10276568Sgblack@eecs.umich.edu 10286568Sgblack@eecs.umich.edu assert(destSize == 4 || destSize == 8); 10296568Sgblack@eecs.umich.edu assert(srcSize == 4 || srcSize == 8); 10306568Sgblack@eecs.umich.edu int srcSizeBits = srcSize * 8; 10316568Sgblack@eecs.umich.edu int destSizeBits = destSize * 8; 10326568Sgblack@eecs.umich.edu int items; 10336568Sgblack@eecs.umich.edu int srcStart = 0; 10346568Sgblack@eecs.umich.edu int destStart = 0; 10356568Sgblack@eecs.umich.edu if (srcSize == 2 * destSize) { 10366568Sgblack@eecs.umich.edu items = (ext & 0x1) ? 1: sizeof(FloatRegBits) / srcSize; 10376568Sgblack@eecs.umich.edu if (ext & 0x2) 10386568Sgblack@eecs.umich.edu destStart = destSizeBits * items; 10396568Sgblack@eecs.umich.edu } else if (destSize == 2 * srcSize) { 10406568Sgblack@eecs.umich.edu items = (ext & 0x1) ? 1: sizeof(FloatRegBits) / destSize; 10416568Sgblack@eecs.umich.edu if (ext & 0x2) 10426568Sgblack@eecs.umich.edu srcStart = srcSizeBits * items; 10436568Sgblack@eecs.umich.edu } else { 10446568Sgblack@eecs.umich.edu items = (ext & 0x1) ? 1: sizeof(FloatRegBits) / destSize; 10456568Sgblack@eecs.umich.edu } 10466568Sgblack@eecs.umich.edu uint64_t result = FpDestReg.uqw; 10476568Sgblack@eecs.umich.edu 10486568Sgblack@eecs.umich.edu for (int i = 0; i < items; i++) { 10496568Sgblack@eecs.umich.edu int srcHiIndex = srcStart + (i + 1) * srcSizeBits - 1; 10506568Sgblack@eecs.umich.edu int srcLoIndex = srcStart + (i + 0) * srcSizeBits; 10516568Sgblack@eecs.umich.edu uint64_t argBits = bits(FpSrcReg1.uqw, srcHiIndex, srcLoIndex); 10526568Sgblack@eecs.umich.edu double arg; 10536568Sgblack@eecs.umich.edu 10546568Sgblack@eecs.umich.edu if (srcSize == 4) { 10556568Sgblack@eecs.umich.edu floatInt fi; 10566568Sgblack@eecs.umich.edu fi.i = argBits; 10576568Sgblack@eecs.umich.edu arg = fi.f; 10586568Sgblack@eecs.umich.edu } else { 10596568Sgblack@eecs.umich.edu doubleInt di; 10606568Sgblack@eecs.umich.edu di.i = argBits; 10616568Sgblack@eecs.umich.edu arg = di.d; 10626568Sgblack@eecs.umich.edu } 10636568Sgblack@eecs.umich.edu if (destSize == 4) { 10646568Sgblack@eecs.umich.edu floatInt fi; 10656568Sgblack@eecs.umich.edu fi.f = arg; 10666568Sgblack@eecs.umich.edu argBits = fi.i; 10676568Sgblack@eecs.umich.edu } else { 10686568Sgblack@eecs.umich.edu doubleInt di; 10696568Sgblack@eecs.umich.edu di.d = arg; 10706568Sgblack@eecs.umich.edu argBits = di.i; 10716568Sgblack@eecs.umich.edu } 10726568Sgblack@eecs.umich.edu int destHiIndex = destStart + (i + 1) * destSizeBits - 1; 10736568Sgblack@eecs.umich.edu int destLoIndex = destStart + (i + 0) * destSizeBits; 10746568Sgblack@eecs.umich.edu result = insertBits(result, destHiIndex, destLoIndex, argBits); 10756568Sgblack@eecs.umich.edu } 10766568Sgblack@eecs.umich.edu FpDestReg.uqw = result; 10776568Sgblack@eecs.umich.edu ''' 10786568Sgblack@eecs.umich.edu 10796566Sgblack@eecs.umich.edu class Mcmpi2r(MediaOp): 10806566Sgblack@eecs.umich.edu code = ''' 10816566Sgblack@eecs.umich.edu union floatInt 10826566Sgblack@eecs.umich.edu { 10836566Sgblack@eecs.umich.edu float f; 10846566Sgblack@eecs.umich.edu uint32_t i; 10856566Sgblack@eecs.umich.edu }; 10866566Sgblack@eecs.umich.edu union doubleInt 10876566Sgblack@eecs.umich.edu { 10886566Sgblack@eecs.umich.edu double d; 10896566Sgblack@eecs.umich.edu uint64_t i; 10906566Sgblack@eecs.umich.edu }; 10916566Sgblack@eecs.umich.edu 10926566Sgblack@eecs.umich.edu assert(srcSize == destSize); 10936566Sgblack@eecs.umich.edu int size = srcSize; 10946566Sgblack@eecs.umich.edu int sizeBits = size * 8; 10956566Sgblack@eecs.umich.edu int items = (ext & 0x1) ? 1: (sizeof(FloatRegBits) / size); 10966566Sgblack@eecs.umich.edu uint64_t result = FpDestReg.uqw; 10976566Sgblack@eecs.umich.edu 10986566Sgblack@eecs.umich.edu for (int i = 0; i < items; i++) { 10996566Sgblack@eecs.umich.edu int hiIndex = (i + 1) * sizeBits - 1; 11006566Sgblack@eecs.umich.edu int loIndex = (i + 0) * sizeBits; 11016566Sgblack@eecs.umich.edu uint64_t arg1Bits = bits(FpSrcReg1.uqw, hiIndex, loIndex); 11026566Sgblack@eecs.umich.edu int64_t arg1 = arg1Bits | 11036566Sgblack@eecs.umich.edu (0 - (arg1Bits & (1 << (sizeBits - 1)))); 11046566Sgblack@eecs.umich.edu uint64_t arg2Bits = bits(FpSrcReg2.uqw, hiIndex, loIndex); 11056566Sgblack@eecs.umich.edu int64_t arg2 = arg2Bits | 11066566Sgblack@eecs.umich.edu (0 - (arg2Bits & (1 << (sizeBits - 1)))); 11076566Sgblack@eecs.umich.edu 11086566Sgblack@eecs.umich.edu uint64_t resBits = 0; 11096566Sgblack@eecs.umich.edu if ((ext & 0x2) == 0 && arg1 == arg2 || 11106566Sgblack@eecs.umich.edu (ext & 0x2) == 0x2 && arg1 > arg2) 11116566Sgblack@eecs.umich.edu resBits = mask(sizeBits); 11126566Sgblack@eecs.umich.edu 11136566Sgblack@eecs.umich.edu result = insertBits(result, hiIndex, loIndex, resBits); 11146566Sgblack@eecs.umich.edu } 11156566Sgblack@eecs.umich.edu FpDestReg.uqw = result; 11166566Sgblack@eecs.umich.edu ''' 11176516Sgblack@eecs.umich.edu}}; 1118