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author | Gabe Black <gblack@eecs.umich.edu> | 2009-08-17 20:25:14 -0700 |
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committer | Gabe Black <gblack@eecs.umich.edu> | 2009-08-17 20:25:14 -0700 |
commit | 87ad6772094170cf92e8de385e1dea47a31924dc (patch) | |
tree | 4b7f23c5b517c31780fb0f3d7ac5a6ec2b997177 /src/arch/x86/isa/insts | |
parent | 2c9ee52c3726b43fda9f68dbbcad069b3c2e874c (diff) | |
download | gem5-87ad6772094170cf92e8de385e1dea47a31924dc.tar.xz |
X86: Implement the instructions that compare fp values and write to rflags.
Diffstat (limited to 'src/arch/x86/isa/insts')
-rw-r--r-- | src/arch/x86/isa/insts/simd128/floating_point/compare/compare_and_write_rflags.py | 53 |
1 files changed, 47 insertions, 6 deletions
diff --git a/src/arch/x86/isa/insts/simd128/floating_point/compare/compare_and_write_rflags.py b/src/arch/x86/isa/insts/simd128/floating_point/compare/compare_and_write_rflags.py index 2e22f71eb..50afddf7b 100644 --- a/src/arch/x86/isa/insts/simd128/floating_point/compare/compare_and_write_rflags.py +++ b/src/arch/x86/isa/insts/simd128/floating_point/compare/compare_and_write_rflags.py @@ -54,22 +54,63 @@ # Authors: Gabe Black microcode = ''' -# COMISS -# COMISD -# UCOMISS +def macroop UCOMISS_XMM_XMM { + mcmpf2rf xmml, xmmlm, size=4 +}; + +def macroop UCOMISS_XMM_M { + ldfp ufp1, seg, sib, disp, dataSize=8 + mcmpf2rf xmml, ufp1, size=4 +}; + +def macroop UCOMISS_XMM_P { + rdip t7 + ldfp ufp1, seg, riprel, disp, dataSize=8 + mcmpf2rf xmml, ufp1, size=4 +}; def macroop UCOMISD_XMM_XMM { - compfp xmml, xmmlm + mcmpf2rf xmml, xmmlm, size=8 }; def macroop UCOMISD_XMM_M { ldfp ufp1, seg, sib, disp, dataSize=8 - compfp xmml, ufp1 + mcmpf2rf xmml, ufp1, size=8 }; def macroop UCOMISD_XMM_P { rdip t7 ldfp ufp1, seg, riprel, disp, dataSize=8 - compfp xmml, ufp1 + mcmpf2rf xmml, ufp1, size=8 +}; + +def macroop COMISS_XMM_XMM { + mcmpf2rf xmml, xmmlm, size=4 +}; + +def macroop COMISS_XMM_M { + ldfp ufp1, seg, sib, disp, dataSize=8 + mcmpf2rf xmml, ufp1, size=4 +}; + +def macroop COMISS_XMM_P { + rdip t7 + ldfp ufp1, seg, riprel, disp, dataSize=8 + mcmpf2rf xmml, ufp1, size=4 +}; + +def macroop COMISD_XMM_XMM { + mcmpf2rf xmml, xmmlm, size=8 +}; + +def macroop COMISD_XMM_M { + ldfp ufp1, seg, sib, disp, dataSize=8 + mcmpf2rf xmml, ufp1, size=8 +}; + +def macroop COMISD_XMM_P { + rdip t7 + ldfp ufp1, seg, riprel, disp, dataSize=8 + mcmpf2rf xmml, ufp1, size=8 }; ''' |