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Add a pattern for matching zero-store with 64-bit address. The pattern is enabled
author
Akira Hatanaka
<ahatanaka@mips.com>
Tue, 20 Dec 2011 21:50:49 +0000
(21:50 +0000)
committer
Akira Hatanaka
<ahatanaka@mips.com>
Tue, 20 Dec 2011 21:50:49 +0000
(21:50 +0000)
only when the target ABI is N64.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146992
91177308
-0d34-0410-b5e6-
96231b3b80d8
lib/Target/Mips/MipsInstrInfo.td
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diff --git
a/lib/Target/Mips/MipsInstrInfo.td
b/lib/Target/Mips/MipsInstrInfo.td
index
5260943
..
23444dc
100644
(file)
--- a/
lib/Target/Mips/MipsInstrInfo.td
+++ b/
lib/Target/Mips/MipsInstrInfo.td
@@
-1015,7
+1015,10
@@
def : Pat<(extloadi16_a addr:$src), (LHu addr:$src)>;
def : Pat<(extloadi16_u addr:$src), (ULHu addr:$src)>;
// peepholes
-def : Pat<(store (i32 0), addr:$dst), (SW ZERO, addr:$dst)>;
+def : Pat<(store (i32 0), addr:$dst), (SW ZERO, addr:$dst)>,
+ Requires<[NotN64]>;
+def : Pat<(store (i32 0), addr:$dst), (SW_P8 ZERO, addr:$dst)>,
+ Requires<[IsN64]>;
// brcond patterns
multiclass BrcondPats<RegisterClass RC, Instruction BEQOp, Instruction BNEOp,