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re PR tree-optimization/43000 (VRP miscompiles python with -fwrapv)
authorRichard Guenther <rguenther@suse.de>
Tue, 9 Feb 2010 11:34:28 +0000 (11:34 +0000)
committerRichard Biener <rguenth@gcc.gnu.org>
Tue, 9 Feb 2010 11:34:28 +0000 (11:34 +0000)
commit9605a6060a15c8d9295b033bc847b352b1280219
tree4f9727618b68994094a646267710d8c5a27e1d36tree
parent5e1d6b4c155e1ae3ee7e1ce572f2a5d669bffe9acommit | diff
re PR tree-optimization/43000 (VRP miscompiles python with -fwrapv)

2010-02-09  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/43000
* tree-vrp.c (vrp_int_const_binop): Only handle unsigned
arithmetic manually.

* gcc.dg/torture/pr43000.c: New testcase.
* gcc.dg/torture/pr43002.c: Likewise.

From-SVN: r156621
gcc/ChangeLog diff | blob | blame | history
gcc/testsuite/ChangeLog diff | blob | blame | history
gcc/testsuite/gcc.dg/torture/pr43000.c [new file with mode: 0644] blob
gcc/testsuite/gcc.dg/torture/pr43002.c [new file with mode: 0644] blob
gcc/tree-vrp.c diff | blob | blame | history
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