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| author | Dan Gohman <gohman@apple.com> | 2008-07-29 01:02:18 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2008-07-29 01:02:18 +0000 |
| commit | 43105328d32932e76986eaf2fd061f8eef3a567c (patch) | |
| tree | c3bdab8fada8c2fa76f62c12ee40275667d6ed02 /llvm/lib | |
| parent | 26ec56c75ca7c3366409cb125332486ee654e3b8 (diff) | |
| download | bcm5719-llvm-43105328d32932e76986eaf2fd061f8eef3a567c.tar.gz bcm5719-llvm-43105328d32932e76986eaf2fd061f8eef3a567c.zip | |
Revert 54147.
llvm-svn: 54148
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/X86/X86Instr64bit.td | 6 | ||||
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrInfo.td | 10 |
2 files changed, 0 insertions, 16 deletions
diff --git a/llvm/lib/Target/X86/X86Instr64bit.td b/llvm/lib/Target/X86/X86Instr64bit.td index 932e1b7afc7..23a403068bf 100644 --- a/llvm/lib/Target/X86/X86Instr64bit.td +++ b/llvm/lib/Target/X86/X86Instr64bit.td @@ -1240,12 +1240,6 @@ def : Pat<(and GR64:$src, i64immFFFFFFFF), (SUBREG_TO_REG (i64 0), (i32 (EXTRACT_SUBREG GR64:$src, x86_subreg_32bit)), x86_subreg_32bit)>; -// r & (2^16-1) ==> movz -def : Pat<(and GR64:$src, 0xffff), - (MOVZX64rr16 (i16 (EXTRACT_SUBREG GR64:$src, x86_subreg_16bit)))>; -// r & (2^8-1) ==> movz -def : Pat<(and GR64:$src, 0xff), - (MOVZX64rr8 (i8 (EXTRACT_SUBREG GR64:$src, x86_subreg_8bit)))>; // (shl x, 1) ==> (add x, x) def : Pat<(shl GR64:$src1, (i8 1)), (ADD64rr GR64:$src1, GR64:$src1)>; diff --git a/llvm/lib/Target/X86/X86InstrInfo.td b/llvm/lib/Target/X86/X86InstrInfo.td index 9996195407a..4f3a3af0f97 100644 --- a/llvm/lib/Target/X86/X86InstrInfo.td +++ b/llvm/lib/Target/X86/X86InstrInfo.td @@ -2763,16 +2763,6 @@ def : Pat<(i32 (and (loadi32 addr:$src), (i32 65535))),(MOVZX32rm16 addr:$src)>; // Some peepholes //===----------------------------------------------------------------------===// -// r & (2^16-1) ==> movz -def : Pat<(and GR32:$src1, 0xffff), - (MOVZX32rr16 (i16 (EXTRACT_SUBREG GR32:$src1, x86_subreg_16bit)))>; -// r & (2^8-1) ==> movz -def : Pat<(and GR32:$src1, 0xff), - (MOVZX32rr8 (i8 (EXTRACT_SUBREG GR32:$src1, x86_subreg_8bit)))>; -// r & (2^8-1) ==> movz -def : Pat<(and GR16:$src1, 0xff), - (MOVZX16rr8 (i8 (EXTRACT_SUBREG GR16:$src1, x86_subreg_8bit)))>; - // (shl x, 1) ==> (add x, x) def : Pat<(shl GR8 :$src1, (i8 1)), (ADD8rr GR8 :$src1, GR8 :$src1)>; def : Pat<(shl GR16:$src1, (i8 1)), (ADD16rr GR16:$src1, GR16:$src1)>; |
