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author	Jakub Jelinek <jakub@redhat.com>
	Tue, 30 May 2017 07:43:37 +0000 (09:43 +0200)
committer	Jakub Jelinek <jakub@gcc.gnu.org>
	Tue, 30 May 2017 07:43:37 +0000 (09:43 +0200)
commit	6d2420b3e5aefb4d0ada00922f8e04e7e7c5c733
tree	81ff7bda38a0febb099e58bd20c82feeb44e1bd2	tree
parent	8e9838cb421ed6d95a122ca291099cf422189281	commit \| diff

backport: re PR middle-end/78416 (wrong code for division by (u128)~INT64_MAX at -O0)

Backported from mainline
2016-11-22 Jakub Jelinek <jakub@redhat.com>

PR middle-end/78416
* expmed.c (expand_divmod): Use wide_int for computation of
op1_is_pow2. Don't set it if op1 is 0. Formatting fixes.
Use size <= HOST_BITS_PER_WIDE_INT instead of
HOST_BITS_PER_WIDE_INT >= size.

* gcc.dg/torture/pr78416.c: New test.

From-SVN: r248626

gcc/ChangeLog		diff \| blob \| blame \| history
gcc/expmed.c		diff \| blob \| blame \| history
gcc/testsuite/ChangeLog		diff \| blob \| blame \| history
gcc/testsuite/gcc.dg/torture/pr78416.c	[new file with mode: 0644]	blob

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