Hi,
On Wed, Oct 21, 2015 at 09:44:25AM -0700, Steve Ellcey wrote:
> (jump_insn 16 15 17 2 (set (pc)
> (if_then_else (ne (subreg:SI (reg:DI 207) 4)
> (subreg:SI (reg:DI 196 [ *last_3(D)+-4 ]) 4))
> (label_ref:DI 35)
> (pc))) x.c:21 472 {*branch_equalitysi}
> (expr_list:REG_DEAD (reg:DI 207)
> (int_list:REG_BR_PROB 8010 (nil)))
> -> 35)Why does *branch_equalitysi allow these subregs if it cannot handle them? Not just combine can generate code like this (in theory at least). Segher
