https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88560
--- Comment #6 from Wilco <wilco at gcc dot gnu.org> --- (In reply to Vladimir Makarov from comment #5) > We have too many tests checking expected generated code. We should more > focus on overall effect of the change. SPEC would be a good criterium > although it is hard to check SPEC for each patch. > > I've checked the generated code of arm8_2-fp16-move-1.c and found that in > most cases GCC generates better code with the patch: > > @@ -80,7 +80,6 @@ test_load_store_1: > @ frame_needed = 0, uses_anonymous_args = 0 > @ link register save eliminated. > lsl r1, r1, #1 > - vmov.f16 s0, r3 @ __fp16 > ldrh r3, [r2, r1] @ __fp16 > strh r3, [r0, r1] @ __fp16 > bx lr When I tested it, this test added that vmov, not removed it - see comment #2.
