subject:"\[PATCH\]\[RTL ifcvt\] PR 67786, 67787\: Check that intermediate instructions in the basic block don't clobber a reg used in condition"

Re: [PATCH][RTL ifcvt] PR 67786, 67787: Check that intermediate instructions in the basic block don't clobber a reg used in condition

2015-10-01 Thread Bernd Schmidt

This patch fixes the two wrong-code PRs. The problem is related to the way the noce_emit_cmove helper function emits conditional moves. For some targets it re-emits the comparison from the condition block and then the conditional move after we have emitted the two basic blocks. Later passes always

[PATCH][RTL ifcvt] PR 67786, 67787: Check that intermediate instructions in the basic block don't clobber a reg used in condition

2015-10-01 Thread Kyrill Tkachov

Hi all, This patch fixes the two wrong-code PRs. The problem is related to the way the noce_emit_cmove helper function emits conditional moves. For some targets it re-emits the comparison from the condition block and then the conditional move after we have emitted the two basic blocks. Later pa