On 29 March 2016 at 18:28, Vladimir Makarov <vmaka...@redhat.com> wrote: > The following patch improves the code in 2 out of 3 cases in > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68695 > > The patch uses more accurate costs for the RA cost improvement > optimization after colouring. > > The patch was tested and bootstrapped on x86-64. It is hard to create a > test to check the correct code generation. Therefore there is no test. As > the patch changes heuristics, a generated code in some cases will be > different but at least x86-64 tests expecting a specific code are not broken > by the patch. > > Committed as rev. 234527 >
Hi, I've noticed that after this patch, 2 tests regress (PASS -> FAIL) on arm: gcc.dg/ira-shrinkwrap-prep-2.c scan-rtl-dump pro_and_epilogue "Performing shrink-wrapping" gcc.dg/pr10474.c scan-rtl-dump pro_and_epilogue "Performing shrink-wrapping" Christophe