From 1aabc4ea15f3ddf7a585902f7d304aaeddc29344 Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Sat, 17 Dec 2005 01:47:57 +0000 Subject: [PATCH] Added anyext, modelled as zext on X86. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24759 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/X86/X86InstrInfo.td | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td index a244baad9c9..4c2efb70fdc 100644 --- a/lib/Target/X86/X86InstrInfo.td +++ b/lib/Target/X86/X86InstrInfo.td @@ -1932,6 +1932,11 @@ def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>; // 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) //===----------------------------------------------------------------------===//