1// Copyright (c) 2006-2007 The Regents of The University of Michigan
2// All rights reserved.
3//
4// Redistribution and use in source and binary forms, with or without
5// modification, are permitted provided that the following conditions are
6// met: redistributions of source code must retain the above copyright
7// notice, this list of conditions and the following disclaimer;
8// redistributions in binary form must reproduce the above copyright

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104 decode_block = BasicDecode.subst(iop)
105 exec_output = BasicExecute.subst(iop)
106}};
107
108def format FpBasic(code, *flags) {{
109 fp_code = """
110 Fsr |= bits(Fsr,4,0) << 5;
111 Fsr = insertBits(Fsr,4,0,0);
112 int newrnd = M5_FE_TONEAREST;
113 switch (Fsr<31:30>) {
114 case 0: newrnd = M5_FE_TONEAREST; break;
115 case 1: newrnd = M5_FE_TOWARDZERO; break;
116 case 2: newrnd = M5_FE_UPWARD; break;
117 case 3: newrnd = M5_FE_DOWNWARD; break;
118 }
119 int oldrnd = m5_fegetround();
120 m5_fesetround(newrnd);
121"""
122
123 fp_code += code
124
125
126 fp_code += """
127 m5_fesetround(oldrnd);
128"""
129 fp_code = filterDoubles(fp_code)
130 iop = InstObjParams(name, Name, 'SparcStaticInst', fp_code, flags)
131 header_output = BasicDeclare.subst(iop)
132 decoder_output = BasicConstructor.subst(iop)
133 decode_block = BasicDecode.subst(iop)
134 exec_output = BasicExecute.subst(iop)
135}};