Revert 54147.

[oota-llvm.git] / lib / Target / X86 / X86Instr64bit.td

diff --git a/lib/Target/X86/X86Instr64bit.td b/lib/Target/X86/X86Instr64bit.td
index 932e1b7afc7bd95e17e918d4e883c25afc00ffc6..23a403068bf5c4418732dbd70752140b47605bc3 100644 (file)
--- a/lib/Target/X86/X86Instr64bit.td
+++ b/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)>;