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authorGabe Black <gblack@eecs.umich.edu>2009-08-17 20:15:16 -0700
committerGabe Black <gblack@eecs.umich.edu>2009-08-17 20:15:16 -0700
commit45bae0c70f43dc04ccf485e2ea54b892a072cb0c (patch)
tree8cdc6954ef9c853b85e4d25d03a93f98e951d9c8 /src/arch/x86/isa/insts/simd128/integer/arithmetic/multiply_add.py
parent200fed31de52ec783006bb1d7c1dbcc4112e7fb3 (diff)
downloadgem5-45bae0c70f43dc04ccf485e2ea54b892a072cb0c.tar.xz
X86: Implement the multiply and add instructions.
Diffstat (limited to 'src/arch/x86/isa/insts/simd128/integer/arithmetic/multiply_add.py')
-rw-r--r--src/arch/x86/isa/insts/simd128/integer/arithmetic/multiply_add.py32
1 files changed, 31 insertions, 1 deletions
diff --git a/src/arch/x86/isa/insts/simd128/integer/arithmetic/multiply_add.py b/src/arch/x86/isa/insts/simd128/integer/arithmetic/multiply_add.py
index 40b38867b..f157d165f 100644
--- a/src/arch/x86/isa/insts/simd128/integer/arithmetic/multiply_add.py
+++ b/src/arch/x86/isa/insts/simd128/integer/arithmetic/multiply_add.py
@@ -54,5 +54,35 @@
# Authors: Gabe Black
microcode = '''
-# PMADDWD
+def macroop PMADDWD_XMM_XMM {
+ mmuli ufp3, xmml, xmmlm, srcSize=2, destSize=4, ext=(0x2 | 0x10 | 0x20)
+ mmuli ufp4, xmml, xmmlm, srcSize=2, destSize=4, ext=(0x2 | 0x10)
+ maddi xmml, ufp3, ufp4, size=4, ext=0
+ mmuli ufp3, xmmh, xmmhm, srcSize=2, destSize=4, ext=(0x2 | 0x10 | 0x20)
+ mmuli ufp4, xmmh, xmmhm, srcSize=2, destSize=4, ext=(0x2 | 0x10)
+ maddi xmmh, ufp3, ufp4, size=4, ext=0
+};
+
+def macroop PMADDWD_XMM_M {
+ ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
+ mmuli ufp3, xmml, ufp1, srcSize=2, destSize=4, ext=(0x2 | 0x10 | 0x20)
+ mmuli ufp4, xmml, ufp1, srcSize=2, destSize=4, ext=(0x2 | 0x10)
+ maddi xmml, ufp3, ufp4, size=4, ext=0
+ mmuli ufp3, xmmh, ufp2, srcSize=2, destSize=4, ext=(0x2 | 0x10 | 0x20)
+ mmuli ufp4, xmmh, ufp2, srcSize=2, destSize=4, ext=(0x2 | 0x10)
+ maddi xmmh, ufp3, ufp4, size=4, ext=0
+};
+
+def macroop PMADDWD_XMM_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
+ mmuli ufp3, xmml, ufp1, srcSize=2, destSize=4, ext=(0x2 | 0x10 | 0x20)
+ mmuli ufp4, xmml, ufp1, srcSize=2, destSize=4, ext=(0x2 | 0x10)
+ maddi xmml, ufp3, ufp4, size=4, ext=0
+ mmuli ufp3, xmmh, ufp2, srcSize=2, destSize=4, ext=(0x2 | 0x10 | 0x20)
+ mmuli ufp4, xmmh, ufp2, srcSize=2, destSize=4, ext=(0x2 | 0x10)
+ maddi xmmh, ufp3, ufp4, size=4, ext=0
+};
'''