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| author | Chris Lattner <sabre@nondot.org> | 2011-02-19 21:06:36 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2011-02-19 21:06:36 +0000 |
| commit | 824a9076eaf8d109bc79f53e51b7d7a045f42552 (patch) | |
| tree | 96340301d112da017b700f49d82fd422567cec52 | |
| parent | 80e8b506b8134d63dc3cb6211cccc34be4b19d40 (diff) | |
| download | llvm-824a9076eaf8d109bc79f53e51b7d7a045f42552.tar.gz llvm-824a9076eaf8d109bc79f53e51b7d7a045f42552.tar.bz2 llvm-824a9076eaf8d109bc79f53e51b7d7a045f42552.tar.xz | |
implement PR9264: disambiguating 'bt mem, imm' as a btl.
This is reasonable to do since all bt-mem forms do the
same thing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126047 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.td | 3 | ||||
| -rw-r--r-- | test/MC/X86/x86-64.s | 4 |
2 files changed, 7 insertions, 0 deletions
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td index 221aa2fdc3..87dc4bece7 100644 --- a/lib/Target/X86/X86InstrInfo.td +++ b/lib/Target/X86/X86InstrInfo.td @@ -1403,6 +1403,9 @@ defm : IntegerCondCodeMnemonicAlias<"cmov", "q">; def : InstAlias<"aad", (AAD8i8 10)>; def : InstAlias<"aam", (AAM8i8 10)>; +// Disambiguate the mem/imm form of bt-without-a-suffix as btl. +def : InstAlias<"bt $imm, $mem", (BT32mi8 i32mem:$mem, i32i8imm:$imm)>; + // clr aliases. def : InstAlias<"clrb $reg", (XOR8rr GR8 :$reg, GR8 :$reg)>; def : InstAlias<"clrw $reg", (XOR16rr GR16:$reg, GR16:$reg)>; diff --git a/test/MC/X86/x86-64.s b/test/MC/X86/x86-64.s index b1fc9accfd..c8b6414d59 100644 --- a/test/MC/X86/x86-64.s +++ b/test/MC/X86/x86-64.s @@ -648,6 +648,10 @@ movl 0, %eax // CHECK: movl 0, %eax # encoding: [0x8b,0x04,0x25,0x00,0x00,0x00 // CHECK: encoding: [0x75,A] jnz 0 +// PR9264 +btl $1, 0 // CHECK: btl $1, 0 # encoding: [0x0f,0xba,0x24,0x25,0x00,0x00,0x00,0x00,0x01] +bt $1, 0 // CHECK: btl $1, 0 # encoding: [0x0f,0xba,0x24,0x25,0x00,0x00,0x00,0x00,0x01] + // rdar://8017515 btq $0x01,%rdx // CHECK: btq $1, %rdx |