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re PR rtl-optimization/34490 (r128833 causes miscompilation of glibc clock_gettime.c)
authorJakub Jelinek <jakub@redhat.com>
Tue, 18 Dec 2007 00:13:29 +0000 (01:13 +0100)
committerJakub Jelinek <jakub@gcc.gnu.org>
Tue, 18 Dec 2007 00:13:29 +0000 (01:13 +0100)
commitdc7c279e97760bba05fa4d637d5652f8559eab3a
tree8b72d93c5aed08c343fa4fbc730ba4c7f0b0b5bctree
parent44f37984f4e87411999989e2c3ff715a4860d9c3commit | diff
re PR rtl-optimization/34490 (r128833 causes miscompilation of glibc clock_gettime.c)

PR rtl-optimization/34490
* simplify-rtx.c (simplify_const_relational_operation): If !sign,
don't reduce mmin/mmax using num_sign_bit_copies.

* gcc.c-torture/execute/20071216-1.c: New test.

From-SVN: r131023
gcc/ChangeLog diff | blob | history
gcc/simplify-rtx.c diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.c-torture/execute/20071216-1.c [new file with mode: 0644] blob