changeset 7e1af04f4ead in /z/repo/m5
details: http://repo.m5sim.org/m5?cmd=changeset;node=7e1af04f4ead
description:
X86: Implement the sum of absolute differences instructions.
diffstat:
3 files changed, 35 insertions(+), 4 deletions(-)
src/arch/x86/isa/decoder/two_byte_opcodes.isa
| 4 +-
src/arch/x86/isa/insts/simd128/integer/arithmetic/sum_of_absolute_differences.py
| 20 +++++++++-
src/arch/x86/isa/insts/simd64/integer/arithmetic/sum_of_absolute_differences.py
| 15 +++++++
diffs (72 lines):
diff -r e0f289b84a4b -r 7e1af04f4ead
src/arch/x86/isa/decoder/two_byte_opcodes.isa
--- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa Mon Aug 17 20:15:16
2009 -0700
+++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa Mon Aug 17 20:15:16
2009 -0700
@@ -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 -r e0f289b84a4b -r 7e1af04f4ead
src/arch/x86/isa/insts/simd128/integer/arithmetic/sum_of_absolute_differences.py
---
a/src/arch/x86/isa/insts/simd128/integer/arithmetic/sum_of_absolute_differences.py
Mon Aug 17 20:15:16 2009 -0700
+++
b/src/arch/x86/isa/insts/simd128/integer/arithmetic/sum_of_absolute_differences.py
Mon Aug 17 20:15:16 2009 -0700
@@ -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 -r e0f289b84a4b -r 7e1af04f4ead
src/arch/x86/isa/insts/simd64/integer/arithmetic/sum_of_absolute_differences.py
---
a/src/arch/x86/isa/insts/simd64/integer/arithmetic/sum_of_absolute_differences.py
Mon Aug 17 20:15:16 2009 -0700
+++
b/src/arch/x86/isa/insts/simd64/integer/arithmetic/sum_of_absolute_differences.py
Mon Aug 17 20:15:16 2009 -0700
@@ -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
+};
'''
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