git.ipfire.org Git - thirdparty/gcc.git/commit

author	Bill Schmidt <wschmidt@linux.vnet.ibm.com>
	Tue, 25 Jul 2017 19:44:10 +0000 (19:44 +0000)
committer	William Schmidt <wschmidt@gcc.gnu.org>
	Tue, 25 Jul 2017 19:44:10 +0000 (19:44 +0000)
commit	803bdb10605c0ca118d2dc727ece1903c7aae52c
tree	c81fb264149b551707d2040cc460a92246716cc6	tree
parent	8e7acaede1f10bcd82f5d53ace4aa3a4e6e1165e	commit \| diff

backport: re PR tree-optimization/81162 (UBSAN switch triggers incorrect optimization in SLSR)

[gcc]

2016-07-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

Backport from mainline
2016-07-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

PR tree-optimization/81162
* gimple-ssa-strength-reduction.c (replace_mult_candidate): Don't
replace a negate with an add.

[gcc/testsuite]

2016-07-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

Backport from mainline
2016-07-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

PR tree-optimization/81162
* gcc.dg/ubsan/pr81162.c: New file.

From-SVN: r250544

gcc/ChangeLog		diff \| blob \| blame \| history
gcc/gimple-ssa-strength-reduction.c		diff \| blob \| blame \| history
gcc/testsuite/ChangeLog		diff \| blob \| blame \| history
gcc/testsuite/gcc.dg/ubsan/pr81162.c	[new file with mode: 0644]	blob