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Zero extending load from i1 to i8.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25391 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2006-01-17 07:02:46 +00:00
parent 478cc13bdb
commit e5d9343377
1 changed files with 2 additions and 0 deletions
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2
lib/Target/X86/X86InstrInfo.td
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@ -343,6 +343,7 @@ def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextload node:$ptr, i8))>;
def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextload node:$ptr, i8))>;
def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextload node:$ptr, i16))>;
def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextload node:$ptr, i1))>;
def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextload node:$ptr, i1))>;
def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextload node:$ptr, i1))>;
def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextload node:$ptr, i8))>;
@ -3029,6 +3030,7 @@ def : Pat<(truncstore R8:$src, addr:$dst, i1),
// {s|z}extload bool -> {s|z}extload byte
def : Pat<(sextloadi16i1 addr:$src), (MOVSX16rm8 addr:$src)>;
def : Pat<(sextloadi32i1 addr:$src), (MOVSX32rm8 addr:$src)>;
def : Pat<(zextloadi8i1 addr:$src), (MOV8rm addr:$src)>;
def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;