Ping for [1], quoted below. [1] https://gcc.gnu.org/ml/gcc-patches/2014-10/msg03189.html
Thanks, Uros. On Thu, Oct 30, 2014 at 11:38 AM, Uros Bizjak <ubiz...@gmail.com> wrote: > Hello! > > I would like to backport recent alias fixes to correctly handle memory > references with AND-alignment to 4.9 branch. These patches fix > hundreds of failures in gfortran testsuite on alpha-linux-gnu due to > invalid aliasing of AND-aligned memory references of two QImode flags. > > These patches were baking for a couple of weeks in the mainline > without problems. Modulo removal of old and unnecessary functionality, > these changes affect only alpha target. > > 2014-10-30 Uros Bizjak <ubiz...@gmail.com> > > Backport from mainline: > 2014-10-20 Uros Bizjak <ubiz...@gmail.com> > > * varasm.c (const_alias_set): Remove. > (init_varasm_once): Remove initialization of const_alias_set. > (build_constant_desc): Do not set alias set to const_alias_set. > > Backport from mainline: > 2014-10-14 Uros Bizjak <ubiz...@gmail.com> > > PR rtl-optimization/63475 > * alias.c (true_dependence_1): Always use get_addr to extract > true address operands from x_addr and mem_addr. Use extracted > address operands to check for references with alignment ANDs. > Use extracted address operands with find_base_term and > base_alias_check. For noncanonicalized operands call canon_rtx with > extracted address operand. > (write_dependence_1): Ditto. > (may_alias_p): Ditto. Remove unused calls to canon_rtx. > > Backport from mainline: > 2014-10-10 Uros Bizjak <ubiz...@gmail.com> > > PR rtl-optimization/63483 > * alias.c (true_dependence_1): Do not exit early for MEM_READONLY_P > references when alignment ANDs are involved. > (write_dependence_p): Ditto. > (may_alias_p): Ditto. > > The complete backport was tested on alpha-linux-gnu, > alphaev68-linux-gnu and x86_64-linux-gnu on 4.9 branch. > > OK for branch? > > Uros.
