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| author | Craig Topper <craig.topper@gmail.com> | 2013-07-23 00:15:19 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2013-07-23 00:15:19 +0000 |
| commit | af1d08782b0f9c60c2504e39dda160a784d1ed1e (patch) | |
| tree | 55b023f0640e52833d9c18cee306f2a8561a2e40 /lib | |
| parent | 19159c1f4c36db2209dae3c4486bd7784acb40cf (diff) | |
| download | external_llvm-af1d08782b0f9c60c2504e39dda160a784d1ed1e.tar.gz external_llvm-af1d08782b0f9c60c2504e39dda160a784d1ed1e.tar.bz2 external_llvm-af1d08782b0f9c60c2504e39dda160a784d1ed1e.zip | |
Explicitly don't let the asm printer use the clrb/w/l aliases for xor %reg, %reg.
It only didn't use it before because it seems InstAlias handling in the asm printer fails to count tied operands so it tried to find an xor with 2 operands instead of the 3 it wfails to count tied.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186900 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.td | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td index 9eca151ba2..6bc1235823 100644 --- a/lib/Target/X86/X86InstrInfo.td +++ b/lib/Target/X86/X86InstrInfo.td @@ -1985,10 +1985,10 @@ def : InstAlias<"bt {$imm, $mem|$mem, $imm}", (BT32mi8 i32mem:$mem, i32i8imm:$imm), 0>; // clr aliases. -def : InstAlias<"clrb $reg", (XOR8rr GR8 :$reg, GR8 :$reg)>; -def : InstAlias<"clrw $reg", (XOR16rr GR16:$reg, GR16:$reg)>; -def : InstAlias<"clrl $reg", (XOR32rr GR32:$reg, GR32:$reg)>; -def : InstAlias<"clrq $reg", (XOR64rr GR64:$reg, GR64:$reg)>; +def : InstAlias<"clrb $reg", (XOR8rr GR8 :$reg, GR8 :$reg), 0>; +def : InstAlias<"clrw $reg", (XOR16rr GR16:$reg, GR16:$reg), 0>; +def : InstAlias<"clrl $reg", (XOR32rr GR32:$reg, GR32:$reg), 0>; +def : InstAlias<"clrq $reg", (XOR64rr GR64:$reg, GR64:$reg), 0>; // div and idiv aliases for explicit A register. def : InstAlias<"div{b}\t{$src, %al|AL, $src}", (DIV8r GR8 :$src)>; |