r255050 - in /trunk/gcc: ChangeLog optabs.c tes...

[jakub@gcc.gnu.org]

Author: jakub
Date: Wed Nov 22 09:57:28 2017
New Revision: 255050

URL: https://gcc.gnu.org/viewcvs?rev=255050&root=gcc&view=rev
Log:
	PR middle-end/82875
	* optabs.c (expand_doubleword_mult, expand_binop): Before calling
	expand_binop with *mul_widen_optab, make sure at least one of the
	operands doesn't have VOIDmode.

	* gcc.dg/pr82875.c: New test.
	* gcc.c-torture/compile/pr82875.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr82875.c
    trunk/gcc/testsuite/gcc.dg/pr82875.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/optabs.c
    trunk/gcc/testsuite/ChangeLog