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authorGabe Black <gblack@eecs.umich.edu>2007-09-25 20:10:04 -0700
committerGabe Black <gblack@eecs.umich.edu>2007-09-25 20:10:04 -0700
commite735001d5463b30dacf997bfb2578c433db98154 (patch)
treeecadec70a1d908f282b453187e35fb908f99ebd8 /src/arch/sparc
parent306b5c6b5b7075d3af8f0f8e4a7a9cff7f706ee7 (diff)
downloadgem5-e735001d5463b30dacf997bfb2578c433db98154.tar.xz
SPARC: Remove some redundant code from some of the fp instructions.
--HG-- extra : convert_revision : 68b0341ae7a367b84c44081f9a3d6d0bc6631649
Diffstat (limited to 'src/arch/sparc')
-rw-r--r--src/arch/sparc/isa/decoder.isa66
1 files changed, 12 insertions, 54 deletions
diff --git a/src/arch/sparc/isa/decoder.isa b/src/arch/sparc/isa/decoder.isa
index 70c580953..eaeba3e2d 100644
--- a/src/arch/sparc/isa/decoder.isa
+++ b/src/arch/sparc/isa/decoder.isa
@@ -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();