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re PR target/67089 (Integer overflow checks not optimized on x86/x86_64)
authorJakub Jelinek <jakub@redhat.com>
Wed, 25 Nov 2015 08:58:32 +0000 (09:58 +0100)
committerJakub Jelinek <jakub@gcc.gnu.org>
Wed, 25 Nov 2015 08:58:32 +0000 (09:58 +0100)
commit6837d899c86d8b5eab15103e9466039304897ae7
tree677c7add8d2188eeaeeed19d735f8bf09de3aa7btree
parent85c69b0b05356480db26c2b118c21002cd6423bfcommit | diff
re PR target/67089 (Integer overflow checks not optimized on x86/x86_64)

PR target/67089
* tree-ssa-math-opts.c (uaddsub_overflow_check_p,
match_uaddsub_overflow): New functions.
(pass_optimize_widening_mul::execute): Call match_uaddsub_overflow.

* gcc.dg/pr67089-1.c: New test.
* gcc.dg/pr67089-2.c: New test.
* gcc.dg/pr67089-3.c: New test.
* gcc.dg/pr67089-4.c: New test.
* gcc.dg/pr67089-5.c: New test.
* gcc.dg/pr67089-6.c: New test.
* gcc.dg/pr67089-7.c: New test.

From-SVN: r230856
gcc/ChangeLog diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.dg/pr67089-1.c [new file with mode: 0644] blob
gcc/testsuite/gcc.dg/pr67089-2.c [new file with mode: 0644] blob
gcc/testsuite/gcc.dg/pr67089-3.c [new file with mode: 0644] blob
gcc/testsuite/gcc.dg/pr67089-4.c [new file with mode: 0644] blob
gcc/testsuite/gcc.dg/pr67089-5.c [new file with mode: 0644] blob
gcc/testsuite/gcc.dg/pr67089-6.c [new file with mode: 0644] blob
gcc/testsuite/gcc.dg/pr67089-7.c [new file with mode: 0644] blob
gcc/tree-ssa-math-opts.c diff | blob | history