Is it ok to backport patches, with Changelogs below, already in trunk to gcc 4.6? These patches are significant enough bugs fror recent AMD and Intel hardware. If ok and unless the individual authors want to backport, I will post backported patches for commit approval.
[PATCH] Handle misaligned TFmode load/store. gcc/ 2011-05-30 H.J. Lu <hongjiu...@intel.com> PR target/49168 * config/i386/i386.md (*movtf_internal): Handle misaligned load/store. gcc/testsuite/ 2011-05-30 H.J. Lu <hongjiu...@intel.com> PR target/49168 * gcc.target/i386/pr49168-1.c: New. [PATCH] Fix FMA cost computation 2011-05-31 Alexandre Oliva <aol...@redhat.com> * config/i386/i386.c (ix86_rtx_costs): Drop NEG from sub for FMA. * config/i386/sse.md: Add n to negated FMA pattern names.