On 02/10/13 09:32, Uros Bizjak wrote:
Hello!
Attached patch prevents out-of-bounds offset in the call to
simplify_subreg, where the subreg offset is taken from the offset of a
memory access. The problem triggers on 4.6 branch and is latent on 4.7
and mainline.
2013-02-10 Uros Bizjak <ubiz...@gmail.com>
PR rtl-optimization/56275
* simplify-rtx.c (avoid_constant_pool_reference): Check that
offset is non-negative and less than cmode size before
calling simplify_subreg.
testsuite/ChangeLog:
2013-02-10 Uros Bizjak <ubiz...@gmail.com>
PR rtl-optimization/56275
* gcc.dg/pr56275.c: New test.
Tested on x86_64-pc-linux-gnu {,-m32}.
OK for mainline and release branches?
OK for mainline. Please check with the appropriate release manager for
the release branches.
Thanks,
Jeff
