https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68264
--- Comment #2 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> --- Author: rsandifo Date: Fri Nov 13 14:43:38 2015 New Revision: 230323 URL: https://gcc.gnu.org/viewcvs?rev=230323&root=gcc&view=rev Log: PR68264: Use unordered comparisons for tree-call-cdce.c As reported in PR 68264, tree-call-cdce.c should be using unordered comparisons for the range checks, in order to avoid raising FE_INVALID for quiet NaNs. Tested on x86_64-linux-gnu and aarch64-linux-gnu. The test failed on aarch64-linux-gnu before the patch, but it didn't on x86_64-linux-gnu because it used unordered comparisons for the previous ordered tree codes. gcc/ PR tree-optimization/68264 * tree-call-cdce.c (gen_one_condition): Update commentary. (gen_conditions_for_pow_int_base): Invert the sense of the tests passed to gen_one_condition. (gen_conditions_for_domain): Likewise. Use unordered comparisons. (shrink_wrap_one_built_in_call): Invert the sense of the tests, using EDGE_FALSE_VALUE for edges to the call block and EDGE_TRUE_VALUE for the others. gcc/testsuite/ PR tree-optimization/68264 * gcc.dg/torture/pr68264.c: New test. Added: trunk/gcc/testsuite/gcc.dg/torture/pr68264.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-call-cdce.c
