https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71050
--- Comment #9 from Pat Haugen <pthaugen at gcc dot gnu.org> --- (In reply to Bill Schmidt from comment #8) > The test is verifying that we force some nops in between a store and load > when we know they alias, to mitigate the cost of the stall while the load > tries to get the data out of the store queue. The extra code here gets in > the way of that, solving the problem another way. Pat, any thoughts on > whether the test can be rewritten some other way to force the nop insertion? Sure, I can easily modify the testcase to just verify there is at least 1 'nop' insn generated. Richi's patch made us go from 3 nops to 2 since an extra stfd occurred between the store/load causing the LHS.
