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PowerPC atomic pseudos clobber CR0, they don't read it. 

llvm-svn: 128829
This commit is contained in:
Jakob Stoklund Olesen 2011-04-04 17:07:09 +00:00
parent 7067bff976
commit 86e1a65ce5
2 changed files with 2 additions and 2 deletions
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2
llvm/lib/Target/PowerPC/PPCInstr64Bit.td
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@ -130,7 +130,7 @@ def : Pat<(PPCnop),
// Atomic operations
let usesCustomInserter = 1 in {
let Uses = [CR0] in {
let Defs = [CR0] in {
def ATOMIC_LOAD_ADD_I64 : Pseudo<
(outs G8RC:$dst), (ins memrr:$ptr, G8RC:$incr), "",
[(set G8RC:$dst, (atomic_load_add_64 xoaddr:$ptr, G8RC:$incr))]>;

2
llvm/lib/Target/PowerPC/PPCInstrInfo.td
View File

@ -550,7 +550,7 @@ def DCBZL : DCB_Form<1014, 1, (outs), (ins memrr:$dst),
// Atomic operations
let usesCustomInserter = 1 in {
let Uses = [CR0] in {
let Defs = [CR0] in {
def ATOMIC_LOAD_ADD_I8 : Pseudo<
(outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
[(set GPRC:$dst, (atomic_load_add_8 xoaddr:$ptr, GPRC:$incr))]>;