From a646f6ccc1113db8d1faeb1a902b44c1c7774e8c Mon Sep 17 00:00:00 2001 From: Andrew Haley Date: Tue, 1 Oct 2002 12:19:36 +0000 Subject: flow.c (insn_dead_p): When using non-call-exceptions, don't eliminate insns that may trap. 2002-09-30 Andrew Haley * flow.c (insn_dead_p): When using non-call-exceptions, don't eliminate insns that may trap. * cse.c (insn_live_p): Likewise. From-SVN: r57688 --- gcc/cse.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'gcc/cse.c') diff --git a/gcc/cse.c b/gcc/cse.c index 706fe80f4eb..29c771b93f6 100644 --- a/gcc/cse.c +++ b/gcc/cse.c @@ -7582,7 +7582,9 @@ insn_live_p (insn, counts) int *counts; { int i; - if (GET_CODE (PATTERN (insn)) == SET) + if (flag_non_call_exceptions && may_trap_p (insn)) + return true; + else if (GET_CODE (PATTERN (insn)) == SET) return set_live_p (PATTERN (insn), insn, counts); else if (GET_CODE (PATTERN (insn)) == PARALLEL) { -- cgit v1.2.1