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| author | Gabe Black <gblack@eecs.umich.edu> | 2009-08-17 20:15:16 -0700 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2009-08-17 20:15:16 -0700 |
| commit | 45bae0c70f43dc04ccf485e2ea54b892a072cb0c (patch) | |
| tree | 8cdc6954ef9c853b85e4d25d03a93f98e951d9c8 /src/arch/x86/isa/insts/simd64 | |
| parent | 200fed31de52ec783006bb1d7c1dbcc4112e7fb3 (diff) | |
| download | gem5-45bae0c70f43dc04ccf485e2ea54b892a072cb0c.tar.xz | |
X86: Implement the multiply and add instructions.
Diffstat (limited to 'src/arch/x86/isa/insts/simd64')
| -rw-r--r-- | src/arch/x86/isa/insts/simd64/integer/arithmetic/multiply_add.py | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/src/arch/x86/isa/insts/simd64/integer/arithmetic/multiply_add.py b/src/arch/x86/isa/insts/simd64/integer/arithmetic/multiply_add.py index 40b38867b..f6940d159 100644 --- a/src/arch/x86/isa/insts/simd64/integer/arithmetic/multiply_add.py +++ b/src/arch/x86/isa/insts/simd64/integer/arithmetic/multiply_add.py @@ -54,5 +54,24 @@ # Authors: Gabe Black microcode = ''' -# PMADDWD +def macroop PMADDWD_MMX_MMX { + mmuli ufp3, mmx, mmxm, srcSize=2, destSize=4, ext=(0x2 | 0x10 | 0x20) + mmuli ufp4, mmx, mmxm, srcSize=2, destSize=4, ext=(0x2 | 0x10) + maddi mmx, ufp3, ufp4, size=4, ext=0 +}; + +def macroop PMADDWD_MMX_M { + ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8 + mmuli ufp3, mmx, ufp1, srcSize=2, destSize=4, ext=(0x2 | 0x10 | 0x20) + mmuli ufp4, mmx, ufp1, srcSize=2, destSize=4, ext=(0x2 | 0x10) + maddi mmx, ufp3, ufp4, size=4, ext=0 +}; + +def macroop PMADDWD_MMX_P { + rdip t7 + ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8 + mmuli ufp3, mmx, ufp1, srcSize=2, destSize=4, ext=(0x2 | 0x10 | 0x20) + mmuli ufp4, mmx, ufp1, srcSize=2, destSize=4, ext=(0x2 | 0x10) + maddi mmx, ufp3, ufp4, size=4, ext=0 +}; ''' |