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SPARC: Remove some redundant code from some of the fp instructions.

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--HG--
extra : convert_revision : 68b0341ae7a367b84c44081f9a3d6d0bc6631649
This commit is contained in:
Gabe Black
2007-09-25 20:10:04 -07:00
parent 306b5c6b5b
commit e735001d54
1 changed files with 12 additions and 54 deletions
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66
src/arch/sparc/isa/decoder.isa
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@@ -529,44 +529,14 @@ decode OP default Unknown::unknown()
}
0x34: decode OPF{
format FpBasic{
0x01: fmovs({{
Frds.uw = Frs2s.uw;
//fsr.ftt = fsr.cexc = 0
Fsr &= ~(7 << 14);
Fsr &= ~(0x1F);
}});
0x02: fmovd({{
Frd.udw = Frs2.udw;
//fsr.ftt = fsr.cexc = 0
Fsr &= ~(7 << 14);
Fsr &= ~(0x1F);
}});
0x01: fmovs({{Frds.uw = Frs2s.uw;}});
0x02: fmovd({{Frd.udw = Frs2.udw;}});
0x03: FpUnimpl::fmovq();
0x05: fnegs({{
Frds.uw = Frs2s.uw ^ (1UL << 31);
//fsr.ftt = fsr.cexc = 0
Fsr &= ~(7 << 14);
Fsr &= ~(0x1F);
}});
0x06: fnegd({{
Frd.udw = Frs2.udw ^ (1ULL << 63);
//fsr.ftt = fsr.cexc = 0
Fsr &= ~(7 << 14);
Fsr &= ~(0x1F);
}});
0x05: fnegs({{Frds.uw = Frs2s.uw ^ (1UL << 31);}});
0x06: fnegd({{Frd.udw = Frs2.udw ^ (1ULL << 63);}});
0x07: FpUnimpl::fnegq();
0x09: fabss({{
Frds.uw = ((1UL << 31) - 1) & Frs2s.uw;
//fsr.ftt = fsr.cexc = 0
Fsr &= ~(7 << 14);
Fsr &= ~(0x1F);
}});
0x0A: fabsd({{
Frd.udw = ((1ULL << 63) - 1) & Frs2.udw;
//fsr.ftt = fsr.cexc = 0
Fsr &= ~(7 << 14);
Fsr &= ~(0x1F);
}});
0x09: fabss({{Frds.uw = ((1UL << 31) - 1) & Frs2s.uw;}});
0x0A: fabsd({{Frd.udw = ((1ULL << 63) - 1) & Frs2.udw;}});
0x0B: FpUnimpl::fabsq();
0x29: fsqrts({{Frds.sf = std::sqrt(Frs2s.sf);}});
0x2A: fsqrtd({{Frd.df = std::sqrt(Frs2.df);}});
@@ -585,28 +555,16 @@ decode OP default Unknown::unknown()
0x4F: FpUnimpl::fdivq();
0x69: fsmuld({{Frd.df = Frs1s.sf * Frs2s.sf;}});
0x6E: FpUnimpl::fdmulq();
0x81: fstox({{
Frd.sdw = static_cast<int64_t>(Frs2s.sf);
}});
0x82: fdtox({{
Frd.sdw = static_cast<int64_t>(Frs2.df);
}});
0x81: fstox({{Frd.sdw = static_cast<int64_t>(Frs2s.sf);}});
0x82: fdtox({{Frd.sdw = static_cast<int64_t>(Frs2.df);}});
0x83: FpUnimpl::fqtox();
0x84: fxtos({{
Frds.sf = static_cast<float>(Frs2.sdw);
}});
0x88: fxtod({{
Frd.df = static_cast<double>(Frs2.sdw);
}});
0x84: fxtos({{Frds.sf = static_cast<float>(Frs2.sdw);}});
0x88: fxtod({{Frd.df = static_cast<double>(Frs2.sdw);}});
0x8C: FpUnimpl::fxtoq();
0xC4: fitos({{
Frds.sf = static_cast<float>(Frs2s.sw);
}});
0xC4: fitos({{Frds.sf = static_cast<float>(Frs2s.sw);}});
0xC6: fdtos({{Frds.sf = Frs2.df;}});
0xC7: FpUnimpl::fqtos();
0xC8: fitod({{
Frd.df = static_cast<double>(Frs2s.sw);
}});
0xC8: fitod({{Frd.df = static_cast<double>(Frs2s.sw);}});
0xC9: fstod({{Frd.df = Frs2s.sf;}});
0xCB: FpUnimpl::fqtod();
0xCC: FpUnimpl::fitoq();