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X86: Fix encoding for TEST{8,16,32}rr.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97982 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar 2010-03-08 21:10:36 +00:00
parent dc444e9a23
commit b93c72cda4
2 changed files with 6 additions and 4 deletions
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6
lib/Target/X86/X86InstrInfo.td
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@ -3135,16 +3135,16 @@ def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
//
let Defs = [EFLAGS] in {
let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
def TEST8rr : I<0x84, MRMDestReg, (outs), (ins GR8:$src1, GR8:$src2),
def TEST8rr : I<0x84, MRMSrcReg, (outs), (ins GR8:$src1, GR8:$src2),
"test{b}\t{$src2, $src1|$src1, $src2}",
[(X86cmp (and_su GR8:$src1, GR8:$src2), 0),
(implicit EFLAGS)]>;
def TEST16rr : I<0x85, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
def TEST16rr : I<0x85, MRMSrcReg, (outs), (ins GR16:$src1, GR16:$src2),
"test{w}\t{$src2, $src1|$src1, $src2}",
[(X86cmp (and_su GR16:$src1, GR16:$src2), 0),
(implicit EFLAGS)]>,
OpSize;
def TEST32rr : I<0x85, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
def TEST32rr : I<0x85, MRMSrcReg, (outs), (ins GR32:$src1, GR32:$src2),
"test{l}\t{$src2, $src1|$src1, $src2}",
[(X86cmp (and_su GR32:$src1, GR32:$src2), 0),
(implicit EFLAGS)]>;

4
test/MC/AsmParser/X86/x86_32-new-encoder.s
View File

@ -38,4 +38,6 @@ rdtscp
movl %eax, 16(%ebp)
// CHECK: movl %eax, -16(%ebp) # encoding: [0x89,0x45,0xf0]
movl %eax, -16(%ebp)
// CHECK: testb %bl, %cl # encoding: [0x84,0xcb]
testb %bl, %cl