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r142317 - in /trunk/gcc: ChangeLog testsuite/Ch...
- From: jakub at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Mon, 01 Dec 2008 14:34:52 -0000
- Subject: r142317 - in /trunk/gcc: ChangeLog testsuite/Ch...
Author: jakub
Date: Mon Dec 1 14:34:51 2008
New Revision: 142317
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=142317
Log:
PR rtl-optimization/38245
* tree-vrp.c (abs_extent_range): New function.
(extract_range_from_binary_expr): Compute range
for *_DIV_EXPR even if vr1 is VR_VARYING, VR_ANTI_RANGE
or includes zero or if vr1 is VR_RANGE and op0 has some
other range.
* gcc.dg/pr38245-1.c: New test.
* gcc.dg/pr38245-2.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/pr38245-1.c
trunk/gcc/testsuite/gcc.dg/pr38245-2.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vrp.c