[Bug tree-optimization/61682] [4.10 Regression] wrong code at -O3 on x86_64-linux-gnu

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61682

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Thu Jul  3 22:11:21 2014
New Revision: 212273

URL: https://gcc.gnu.org/viewcvs?rev=212273&root=gcc&view=rev
Log:
    PR tree-optimization/61682
    * wide-int.cc (wi::mul_internal): Handle high correctly
    for umul_ppmm using cases and when one of the operands is
    equal to 1.

    * gcc.c-torture/execute/pr61682.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/execute/pr61682.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/wide-int.cc