[llvm-commits] CVS: llvm/lib/Target/X86/X86InstrInfo.td

Evan Cheng evan.cheng at apple.com
Fri Dec 16 17:48:09 PST 2005



Changes in directory llvm/lib/Target/X86:

X86InstrInfo.td updated: 1.170 -> 1.171
---
Log message:

Added anyext, modelled as zext on X86.


---
Diffs of the changes:  (+5 -0)

 X86InstrInfo.td |    5 +++++
 1 files changed, 5 insertions(+)


Index: llvm/lib/Target/X86/X86InstrInfo.td
diff -u llvm/lib/Target/X86/X86InstrInfo.td:1.170 llvm/lib/Target/X86/X86InstrInfo.td:1.171
--- llvm/lib/Target/X86/X86InstrInfo.td:1.170	Fri Dec 16 19:24:02 2005
+++ llvm/lib/Target/X86/X86InstrInfo.td	Fri Dec 16 19:47:57 2005
@@ -1932,6 +1932,11 @@
 // Handling 1 bit extload
 def : Pat<(extloadi8i1 addr:$src), (MOV8rm  addr:$src)>;
 
+// Modeling anyext as zext
+def : Pat<(i16 (anyext R8 :$src)), (MOVZX16rr8  R8 :$src)>;
+def : Pat<(i32 (anyext R8 :$src)), (MOVZX32rr8  R8 :$src)>;
+def : Pat<(i32 (anyext R16:$src)), (MOVZX32rr16 R16:$src)>;
+
 //===----------------------------------------------------------------------===//
 // XMM Floating point support (requires SSE2)
 //===----------------------------------------------------------------------===//






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