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re PR rtl-optimization/71673 (FAIL: c-c++-common/torture/builtin-arith-overflow-p-19.c -O2 (internal compiler error))

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PR rtl-optimization/71673
	* internal-fn.c (expand_arith_overflow_result_store): Use
	OPTAB_LIB_WIDEN instead of OPTAB_DIRECT as last argument to
	expand_simple_binop.

From-SVN: r237815
This commit is contained in:
Jakub Jelinek 2016-06-28 10:29:11 +02:00 • committed by Jakub Jelinek
parent 849a76a5a2
commit 95ef39f441
2 changed files with 6 additions and 1 deletions
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5
gcc/ChangeLog
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@ -1,5 +1,10 @@
2016-06-28 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/71673
* internal-fn.c (expand_arith_overflow_result_store): Use
OPTAB_LIB_WIDEN instead of OPTAB_DIRECT as last argument to
expand_simple_binop.
PR middle-end/66867
* builtins.c (expand_ifn_atomic_compare_exchange_into_call,
expand_ifn_atomic_compare_exchange): New functions.

2
gcc/internal-fn.c
View file

@ -454,7 +454,7 @@ expand_arith_overflow_result_store (tree lhs, rtx target,
= immed_wide_int_const (wi::shifted_mask (0, prec, false, tgtprec),
tgtmode);
lres = expand_simple_binop (tgtmode, AND, res, mask, NULL_RTX,
true, OPTAB_DIRECT);
true, OPTAB_LIB_WIDEN);
}
else
{