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s390: fix compare and swap 64 loop

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R=joransiu@ca.ibm.com

Change-Id: Ia33e925339c66fcefb9c3739c1985477190dab44
Reviewed-on: https://chromium-review.googlesource.com/c/1294372
Reviewed-by: Joran Siu <joransiu@ca.ibm.com>
Commit-Queue: Junliang Yan <jyan@ca.ibm.com>
Cr-Commit-Position: refs/heads/master@{#56871}
This commit is contained in:
Junliang Yan 2018-10-22 16:14:07 -04:00 committed by Commit Bot
parent 6c703ffc86
commit 7126530d45
1 changed files with 1 additions and 1 deletions
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2
src/compiler/s390/code-generator-s390.cc
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@ -2784,8 +2784,8 @@ CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction(
Label do_cs;
__ la(r1, MemOperand(base, index));
__ lg(output, MemOperand(r1));
__ csg(output, value, MemOperand(r1));
__ bind(&do_cs);
__ csg(output, value, MemOperand(r1));
__ bne(&do_cs, Label::kNear);
break;
}