https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102059
--- Comment #13 from Kewen Lin <linkw at gcc dot gnu.org> --- (In reply to Richard Biener from comment #10) > OPTION_MASK_P8_FUSION is purely optimization and shouldn't prevent inlining, > no? > > As of HTM it would make the testcase a user error - when using -mcpu=power10 > it would require building with -mcpu=power8 -mno-htm? > > Thus INVALID based on HTM, and the OPTION_MASK_P8_FUSION (and other "tuning" > things) should be excluded from the compares in the backend, at least for the > always-inline case. Good point, yes, the fusion should only affect performance, I'll collect some similar flags and do some special handlings for it.