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| author | Hal Finkel <hfinkel@anl.gov> | 2013-04-07 06:30:47 +0000 |
|---|---|---|
| committer | Hal Finkel <hfinkel@anl.gov> | 2013-04-07 06:30:47 +0000 |
| commit | d71cc3a7f367eac9284cc61002e434bad7324c08 (patch) | |
| tree | 21962dd94e85e6f708f357611b66a985bc07351f /llvm/lib/Target/PowerPC | |
| parent | 6efd45e902d3c9c3b61ac40d22b3c2712ab9eaa0 (diff) | |
| download | bcm5719-llvm-d71cc3a7f367eac9284cc61002e434bad7324c08.tar.gz bcm5719-llvm-d71cc3a7f367eac9284cc61002e434bad7324c08.zip | |
PPC pre-increment load instructions do not have side effects
A few were missed in r178972.
llvm-svn: 178973
Diffstat (limited to 'llvm/lib/Target/PowerPC')
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCInstr64Bit.td | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCInstr64Bit.td b/llvm/lib/Target/PowerPC/PPCInstr64Bit.td index 16b983f8a50..600c11e9fb4 100644 --- a/llvm/lib/Target/PowerPC/PPCInstr64Bit.td +++ b/llvm/lib/Target/PowerPC/PPCInstr64Bit.td @@ -549,7 +549,7 @@ def LWAX : XForm_1<31, 341, (outs G8RC:$rD), (ins memrr:$src), PPC970_DGroup_Cracked; // Update forms. -let mayLoad = 1 in { +let mayLoad = 1, neverHasSideEffects = 1 in { def LHAU8 : DForm_1<43, (outs G8RC:$rD, ptr_rc_nor0:$ea_result), (ins memri:$addr), "lhau $rD, $addr", LdStLHAU, @@ -666,7 +666,7 @@ def LDBRX : XForm_1<31, 532, (outs G8RC:$rD), (ins memrr:$src), "ldbrx $rD, $src", LdStLoad, [(set i64:$rD, (PPClbrx xoaddr:$src, i64))]>, isPPC64; -let mayLoad = 1, neverHasSideEffects = 1 in +let mayLoad = 1, neverHasSideEffects = 1 in { def LDU : DSForm_1<58, 1, (outs G8RC:$rD, ptr_rc_nor0:$ea_result), (ins memrix:$addr), "ldu $rD, $addr", LdStLDU, []>, RegConstraint<"$addr.reg = $ea_result">, isPPC64, @@ -678,6 +678,7 @@ def LDUX : XForm_1<31, 53, (outs G8RC:$rD, ptr_rc_nor0:$ea_result), []>, RegConstraint<"$addr.ptrreg = $ea_result">, NoEncode<"$ea_result">, isPPC64; } +} def : Pat<(PPCload ixaddr:$src), (LD ixaddr:$src)>; |
