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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
commitdabbc7d9d3d6fc188212306cd28b55fdfd2b56bd (patch)
tree9f836b28e1017c9e6bdac3e4d53da99317b22dfd /src/arch/x86
parent470dcef22920765a45b2bea77e26df57e8d3eef6 (diff)
downloadgem5-dabbc7d9d3d6fc188212306cd28b55fdfd2b56bd.tar.xz
X86: Implement the sum of absolute differences instructions.
Diffstat (limited to 'src/arch/x86')
-rw-r--r--src/arch/x86/isa/decoder/two_byte_opcodes.isa4
-rw-r--r--src/arch/x86/isa/insts/simd128/integer/arithmetic/sum_of_absolute_differences.py20
-rw-r--r--src/arch/x86/isa/insts/simd64/integer/arithmetic/sum_of_absolute_differences.py15
3 files changed, 35 insertions, 4 deletions
diff --git a/src/arch/x86/isa/decoder/two_byte_opcodes.isa b/src/arch/x86/isa/decoder/two_byte_opcodes.isa
index 906516b86..315705200 100644
--- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa
+++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa
@@ -1073,7 +1073,7 @@
0x3: psllq_Pq_Qq();
0x4: Inst::PMULUDQ(Pq,Qq);
0x5: pmaddwd_Pq_Qq();
- 0x6: psadbw_Pq_Qq();
+ 0x6: Inst::PSADBW(Pq,Qq);
0x7: maskmovq_Pq_PRq();
default: Inst::UD2();
}
@@ -1084,7 +1084,7 @@
0x3: psllq_Vo_Wo();
0x4: Inst::PMULUDQ(Vo,Wo);
0x5: pmaddwd_Vo_Wo();
- 0x6: psadbw_Vo_Wo();
+ 0x6: Inst::PSADBW(Vo,Wo);
0x7: maskmovdqu_Vo_VRo();
default: Inst::UD2();
}
diff --git a/src/arch/x86/isa/insts/simd128/integer/arithmetic/sum_of_absolute_differences.py b/src/arch/x86/isa/insts/simd128/integer/arithmetic/sum_of_absolute_differences.py
index df1ca2301..ef3758e49 100644
--- a/src/arch/x86/isa/insts/simd128/integer/arithmetic/sum_of_absolute_differences.py
+++ b/src/arch/x86/isa/insts/simd128/integer/arithmetic/sum_of_absolute_differences.py
@@ -54,5 +54,23 @@
# Authors: Gabe Black
microcode = '''
-# PSADBW
+def macroop PSADBW_XMM_XMM {
+ msad xmml, xmml, xmmlm, srcSize=1, destSize=2
+ msad xmmh, xmmh, xmmhm, srcSize=1, destSize=2
+};
+
+def macroop PSADBW_XMM_M {
+ ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
+ msad xmml, xmml, ufp1, srcSize=1, destSize=2
+ msad xmmh, xmmh, ufp2, srcSize=1, destSize=2
+};
+
+def macroop PSADBW_XMM_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
+ msad xmml, xmml, ufp1, srcSize=1, destSize=2
+ msad xmmh, xmmh, ufp2, srcSize=1, destSize=2
+};
'''
diff --git a/src/arch/x86/isa/insts/simd64/integer/arithmetic/sum_of_absolute_differences.py b/src/arch/x86/isa/insts/simd64/integer/arithmetic/sum_of_absolute_differences.py
index df1ca2301..8c3c239bd 100644
--- a/src/arch/x86/isa/insts/simd64/integer/arithmetic/sum_of_absolute_differences.py
+++ b/src/arch/x86/isa/insts/simd64/integer/arithmetic/sum_of_absolute_differences.py
@@ -54,5 +54,18 @@
# Authors: Gabe Black
microcode = '''
-# PSADBW
+def macroop PSADBW_MMX_MMX {
+ msad mmx, mmx, mmxm, srcSize=1, destSize=2
+};
+
+def macroop PSADBW_MMX_M {
+ ldfp ufp1, seg, sib, disp, dataSize=8
+ msad mmx, mmx, ufp1, srcSize=1, destSize=2
+};
+
+def macroop PSADBW_MMX_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, disp, dataSize=8
+ msad mmx, mmx, ufp1, srcSize=1, destSize=2
+};
'''