Hi! Gentle ping this patch:
https://gcc.gnu.org/pipermail/gcc-patches/2021-September/578552.html BR, Kewen on 2021/9/1 下午2:55, Kewen.Lin via Gcc-patches wrote: > Hi! > > This patch is to fix the inconsistent behaviors for non-LTO mode > and LTO mode. As Martin pointed out, currently the function > rs6000_can_inline_p simply makes it inlinable if callee_tree is > NULL, but it's wrong, we should use the command line options > from target_option_default_node as default. It also replaces > rs6000_isa_flags with the one from target_option_default_node > when caller_tree is NULL as rs6000_isa_flags could probably > change since initialization. > > It also extends the scope of the check for the case that callee > has explicit set options, for test case pr102059-2.c inlining can > happen unexpectedly before, it's fixed accordingly. > > As Richi/Mike pointed out, some tuning flags like MASK_P8_FUSION > can be neglected for inlining, this patch also exludes them when > the callee is attributed by always_inline. > > Bootstrapped and regtested on powerpc64le-linux-gnu Power9. > > BR, > Kewen > ----- > gcc/ChangeLog: > > PR ipa/102059 > * config/rs6000/rs6000.c (rs6000_can_inline_p): Adjust with > target_option_default_node and consider always_inline_safe flags. > > gcc/testsuite/ChangeLog: > > PR ipa/102059 > * gcc.target/powerpc/pr102059-1.c: New test. > * gcc.target/powerpc/pr102059-2.c: New test. > * gcc.target/powerpc/pr102059-3.c: New test. > * gcc.target/powerpc/pr102059-4.c: New test. >
