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32-to-64-bit extended load. 

llvm-svn: 144554
This commit is contained in:
Akira Hatanaka 2011-11-14 19:06:14 +00:00
parent 0b8bc00424
commit f93b3f46f8
1 changed files with 10 additions and 5 deletions
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15
llvm/lib/Target/Mips/Mips64InstrInfo.td
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@ -219,11 +219,16 @@ def : Pat<(i64 immZExt16:$in),
def : Pat<(i64 imm:$imm),
(ORi64 (LUi64 (HI16 imm:$imm)), (LO16 imm:$imm))>;
// zextloadi32_u
def : Pat<(zextloadi32_u addr:$a), (DSRL32 (DSLL32 (ULW64_P8 addr:$a), 0), 0)>,
Requires<[IsN64]>;
def : Pat<(zextloadi32_u addr:$a), (DSRL32 (DSLL32 (ULW64 addr:$a), 0), 0)>,
Requires<[NotN64]>;
// extended loads
let Predicates = [NotN64] in {
def : Pat<(extloadi32_a addr:$a), (DSRL32 (DSLL32 (LW64 addr:$a), 0), 0)>;
def : Pat<(zextloadi32_u addr:$a), (DSRL32 (DSLL32 (ULW64 addr:$a), 0), 0)>;
}
let Predicates = [IsN64] in {
def : Pat<(extloadi32_a addr:$a), (DSRL32 (DSLL32 (LW64_P8 addr:$a), 0), 0)>;
def : Pat<(zextloadi32_u addr:$a),
(DSRL32 (DSLL32 (ULW64_P8 addr:$a), 0), 0)>;
}
// hi/lo relocs
def : Pat<(i64 (MipsLo tglobaladdr:$in)), (DADDiu ZERO_64, tglobaladdr:$in)>;