https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70484
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Known to work| |5.4.0 Summary|[4.9/5 Regression] Wrong |[4.9 Regression] Wrong |optimization with aliasing |optimization with aliasing |and access via char |and access via char --- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Wed Apr 6 07:45:34 2016 New Revision: 234772 URL: https://gcc.gnu.org/viewcvs?rev=234772&root=gcc&view=rev Log: 2016-04-06 Richard Biener <rguent...@suse.de> Backport from mainline 2016-03-30 Richard Biener <rguent...@suse.de> PR middle-end/70450 * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage. * gcc.dg/torture/pr70450.c: New testcase. 2016-03-22 Richard Biener <rguent...@suse.de> PR middle-end/70333 * fold-const.c (extract_muldiv_1): Properly perform multiplication in the wide type. * gcc.dg/torture/pr70333.c: New testcase. 2016-04-04 Richard Biener <rguent...@suse.de> PR rtl-optimization/70484 * rtl.h (canon_output_dependence): Declare. * alias.c (canon_output_dependence): New function. * dse.c (record_store): Use canon_output_dependence rather than canon_true_dependence. * gcc.dg/torture/pr70484.c: New testcase. 2016-03-31 Richard Biener <rguent...@suse.de> PR c++/70430 * typeck.c (cp_build_binary_op): Fix operand order of vector conditional in truth op handling. * g++.dg/ext/vector30.C: New testcase. Added: branches/gcc-5-branch/gcc/testsuite/g++.dg/ext/vector30.C branches/gcc-5-branch/gcc/testsuite/gcc.dg/torture/pr70333.c branches/gcc-5-branch/gcc/testsuite/gcc.dg/torture/pr70450.c branches/gcc-5-branch/gcc/testsuite/gcc.dg/torture/pr70484.c Modified: branches/gcc-5-branch/gcc/ChangeLog branches/gcc-5-branch/gcc/alias.c branches/gcc-5-branch/gcc/cp/ChangeLog branches/gcc-5-branch/gcc/cp/typeck.c branches/gcc-5-branch/gcc/dse.c branches/gcc-5-branch/gcc/fold-const.c branches/gcc-5-branch/gcc/rtl.h branches/gcc-5-branch/gcc/testsuite/ChangeLog