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Add 64-bit extload patterns.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147003 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Akira Hatanaka 2011-12-20 22:36:08 +00:00
parent ab05b6c227
commit acb5a06f7a
1 changed files with 12 additions and 2 deletions
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14
lib/Target/Mips/Mips64InstrInfo.td
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@ -240,11 +240,21 @@ def : Pat<(i64 imm:$imm),
// extended loads
let Predicates = [NotN64] in {
def : Pat<(extloadi32_a addr:$a), (DSRL (DSLL (LW64 addr:$a), 32), 32)>;
def : Pat<(i64 (extloadi1 addr:$src)), (LB64 addr:$src)>;
def : Pat<(i64 (extloadi8 addr:$src)), (LB64 addr:$src)>;
def : Pat<(i64 (extloadi16_a addr:$src)), (LH64 addr:$src)>;
def : Pat<(i64 (extloadi16_u addr:$src)), (ULH64 addr:$src)>;
def : Pat<(i64 (extloadi32_a addr:$src)), (LW64 addr:$src)>;
def : Pat<(i64 (extloadi32_u addr:$src)), (ULW64 addr:$src)>;
def : Pat<(zextloadi32_u addr:$a), (DSRL (DSLL (ULW64 addr:$a), 32), 32)>;
}
let Predicates = [IsN64] in {
def : Pat<(extloadi32_a addr:$a), (DSRL (DSLL (LW64_P8 addr:$a), 32), 32)>;
def : Pat<(i64 (extloadi1 addr:$src)), (LB64_P8 addr:$src)>;
def : Pat<(i64 (extloadi8 addr:$src)), (LB64_P8 addr:$src)>;
def : Pat<(i64 (extloadi16_a addr:$src)), (LH64_P8 addr:$src)>;
def : Pat<(i64 (extloadi16_u addr:$src)), (ULH64_P8 addr:$src)>;
def : Pat<(i64 (extloadi32_a addr:$src)), (LW64_P8 addr:$src)>;
def : Pat<(i64 (extloadi32_u addr:$src)), (ULW64_P8 addr:$src)>;
def : Pat<(zextloadi32_u addr:$a), (DSRL (DSLL (ULW64_P8 addr:$a), 32), 32)>;
}