From fa1d102a052e0375c954d9a35b3a687f81194f7a Mon Sep 17 00:00:00 2001 From: Hal Finkel Date: Sun, 7 Apr 2013 05:46:58 +0000 Subject: PPC pre-increment load instructions do not have side effects git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178972 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/PowerPC/PPCInstr64Bit.td | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'lib/Target/PowerPC/PPCInstr64Bit.td') diff --git a/lib/Target/PowerPC/PPCInstr64Bit.td b/lib/Target/PowerPC/PPCInstr64Bit.td index 6536ea4651..16b983f8a5 100644 --- a/lib/Target/PowerPC/PPCInstr64Bit.td +++ b/lib/Target/PowerPC/PPCInstr64Bit.td @@ -594,7 +594,7 @@ def LWZX8 : XForm_1<31, 23, (outs G8RC:$rD), (ins memrr:$src), // Update forms. -let mayLoad = 1 in { +let mayLoad = 1, neverHasSideEffects = 1 in { def LBZU8 : DForm_1<35, (outs G8RC:$rD, ptr_rc_nor0:$ea_result), (ins memri:$addr), "lbzu $rD, $addr", LdStLoadUpd, []>, RegConstraint<"$addr.reg = $ea_result">, @@ -666,7 +666,7 @@ def LDBRX : XForm_1<31, 532, (outs G8RC:$rD), (ins memrr:$src), "ldbrx $rD, $src", LdStLoad, [(set i64:$rD, (PPClbrx xoaddr:$src, i64))]>, isPPC64; -let mayLoad = 1 in +let mayLoad = 1, neverHasSideEffects = 1 in def LDU : DSForm_1<58, 1, (outs G8RC:$rD, ptr_rc_nor0:$ea_result), (ins memrix:$addr), "ldu $rD, $addr", LdStLDU, []>, RegConstraint<"$addr.reg = $ea_result">, isPPC64, -- cgit v1.2.3