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author | Hal Finkel <hfinkel@anl.gov> | 2013-04-07 06:30:47 +0000 |
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committer | Hal Finkel <hfinkel@anl.gov> | 2013-04-07 06:30:47 +0000 |
commit | 3aea7cb7b2c54071fc273a0c3a97850bd14de5ac (patch) | |
tree | 518f24ad9f683a6f312d2a5e9514f3845b30aab6 | |
parent | fa1d102a052e0375c954d9a35b3a687f81194f7a (diff) | |
download | llvm-3aea7cb7b2c54071fc273a0c3a97850bd14de5ac.tar.gz llvm-3aea7cb7b2c54071fc273a0c3a97850bd14de5ac.tar.bz2 llvm-3aea7cb7b2c54071fc273a0c3a97850bd14de5ac.tar.xz |
PPC pre-increment load instructions do not have side effects
A few were missed in r178972.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178973 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | lib/Target/PowerPC/PPCInstr64Bit.td | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/Target/PowerPC/PPCInstr64Bit.td b/lib/Target/PowerPC/PPCInstr64Bit.td index 16b983f8a5..600c11e9fb 100644 --- a/lib/Target/PowerPC/PPCInstr64Bit.td +++ b/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)>; |