https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127461
Hongtao Liu <liuhongt at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |liuhongt at gcc dot gnu.org
--- Comment #1 from Hongtao Liu <liuhongt at gcc dot gnu.org> ---
3266(define_insn "<insn>v2qi3"
3267 [(set (match_operand:V2QI 0 "register_operand" "=?Q,x,Yw")
3268 (plusminus:V2QI
3269 (match_operand:V2QI 1 "register_operand" "<comm>0,0,Yw")
3270 (match_operand:V2QI 2 "register_operand" "Q,x,Yw")))
3271 (clobber (reg:CC FLAGS_REG))]
3272 "!TARGET_PARTIAL_REG_STALL || optimize_size || TARGET_SSE2"
3273 "#"
3274 [(set_attr "isa" "*,sse2_noavx,avx")
3275 (set_attr "type" "multi,sseadd,sseadd")
3276 (set_attr "mode" "QI,TI,TI")
3277 (set (attr "enabled")
3278 (cond [(and (eq_attr "alternative" "0")
3279 (and (match_test "TARGET_PARTIAL_REG_STALL")
3280 (not (match_test "optimize_function_for_size_p
(cfun)"))))
3281 (symbol_ref "false")
3282 ]
3283 (const_string "*")))])
Looks like optmize_size is not equal to optimize_function_for_size_p (cfun)
