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author	Eric Botcazou <ebotcazou@gcc.gnu.org>
	Wed, 9 Jun 2010 21:49:44 +0000 (21:49 +0000)
committer	Eric Botcazou <ebotcazou@gcc.gnu.org>
	Wed, 9 Jun 2010 21:49:44 +0000 (21:49 +0000)
commit	642d55de0e40c7bf59ab0043aeae756f004488dc
tree	94bae21be77c1e10d071c24ca7c48b99738ab87d	tree
parent	70987f6299983c5a764c37827a95f71f831087f0	commit \| diff

re PR rtl-optimization/42461 (missed optimization for pure functions)

PR rtl-optimization/42461
* dce.c (deletable_insn_p): Return true for const or pure calls again.
* except.c (insn_could_throw_p): Return false if !flag_exceptions.

From-SVN: r160507

gcc/ChangeLog		diff \| blob \| blame \| history
gcc/dce.c		diff \| blob \| blame \| history
gcc/except.c		diff \| blob \| blame \| history
gcc/testsuite/ChangeLog		diff \| blob \| blame \| history
gcc/testsuite/gcc.dg/pr42461.c	[new file with mode: 0644]	blob

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