[Bug tree-optimization/62173] [5 Regression] 64bit Arch can't ivopt while 32bit Arch can
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62173 --- Comment #36 from Jiong Wang jiwang at gcc dot gnu.org --- and for rtl level improvement, need to enable DF_DU_CHAIN build on top of existing DF_UD_CHAIN (may cause extra compile time resource consumption). one draft patch is here, no feedback yet. https://gcc.gnu.org/ml/gcc-patches/2015-02/msg00736.html as both tree and rtl fix contain generic code modifications, I think it's better to defer it to next stage-1 given the issue itself is enhancement not bug.
[Bug tree-optimization/62173] [5 Regression] 64bit Arch can't ivopt while 32bit Arch can
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62173 --- Comment #35 from Jiong Wang jiwang at gcc dot gnu.org --- (In reply to Jakub Jelinek from comment #34) Any progress on this? This is a P1 PR, but no comments have been added for more than a month... from what I known: Bin was working on some tree level fix while I was working on RTL level fix. And I was told this has been deffered to next stage 1.
[Bug tree-optimization/62173] [5 Regression] 64bit Arch can't ivopt while 32bit Arch can
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62173 --- Comment #34 from Jakub Jelinek jakub at gcc dot gnu.org --- Any progress on this? This is a P1 PR, but no comments have been added for more than a month...