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authorChris Lattner <sabre@nondot.org>2005-01-03 01:27:59 +0000
committerChris Lattner <sabre@nondot.org>2005-01-03 01:27:59 +0000
commitd4bb2bbce1ba7294084fc22c6445f4111afd52a3 (patch)
tree6467e78e5ba0c24147b56c93fbe02e08a6ef9780 /llvm/lib/Target
parent82787e90f307ab2b30813858fb3492146434308a (diff)
downloadbcm5719-llvm-d4bb2bbce1ba7294084fc22c6445f4111afd52a3.tar.gz
bcm5719-llvm-d4bb2bbce1ba7294084fc22c6445f4111afd52a3.zip
ADC and IMUL are also commutable.
llvm-svn: 19264
Diffstat (limited to 'llvm/lib/Target')
-rw-r--r--llvm/lib/Target/X86/X86InstrInfo.td4
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86InstrInfo.td b/llvm/lib/Target/X86/X86InstrInfo.td
index fdab1e2fc1c..c5e9dcc8095 100644
--- a/llvm/lib/Target/X86/X86InstrInfo.td
+++ b/llvm/lib/Target/X86/X86InstrInfo.td
@@ -928,8 +928,10 @@ let isTwoAddress = 0 in {
"add{l} {$src2, $dst|$dst, $src2}">;
}
+let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
def ADC32rr : I<0x11, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
"adc{l} {$src2, $dst|$dst, $src2}">;
+}
def ADC32rm : I<0x13, MRMSrcMem , (ops R32:$dst, R32:$src1, i32mem:$src2),
"adc{l} {$src2, $dst|$dst, $src2}">;
def ADC32ri : Ii32<0x81, MRM2r, (ops R32:$dst, R32:$src1, i32imm:$src2),
@@ -1020,10 +1022,12 @@ def SBB16ri8 : Ii8<0x83, MRM3r, (ops R16:$dst, R16:$src1, i8imm:$src2),
def SBB32ri8 : Ii8<0x83, MRM3r, (ops R32:$dst, R32:$src1, i8imm:$src2),
"sbb{l} {$src2, $dst|$dst, $src2}">;
+let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
def IMUL16rr : I<0xAF, MRMSrcReg, (ops R16:$dst, R16:$src1, R16:$src2),
"imul{w} {$src2, $dst|$dst, $src2}">, TB, OpSize;
def IMUL32rr : I<0xAF, MRMSrcReg, (ops R32:$dst, R32:$src1, R32:$src2),
"imul{l} {$src2, $dst|$dst, $src2}">, TB;
+}
def IMUL16rm : I<0xAF, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
"imul{w} {$src2, $dst|$dst, $src2}">, TB, OpSize;
def IMUL32rm : I<0xAF, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
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