------- Comment #2 from 9ugsa9j02 at sneakemail dot com 2008-09-14 11:17 ------- Subject: Re: Useless instructions in member call by pointer
pinskia at gcc dot gnu dot org gcc-bugzilla-at-gcc.gnu.org |Forums| wrote: > ------- Comment #1 from pinskia at gcc dot gnu dot org 2008-09-14 02:01 > ------- > Fixed on the trunk by the new register allocator (IRA): > __Z6callfnP1AMS_FvvE: > LFB0: > pushq %rbp > LCFI0: > testb $1, %sil > movq %rsi, %r11 > movq %rsp, %rbp > LCFI1: > movq %rsi, -16(%rbp) <--- ? > movq %rdx, -8(%rbp) <--- ? > je L3 > movq (%rdi,%rdx), %rax > movq -1(%rsi,%rax), %r11 > L3: > addq %rdx, %rdi > leave > jmp *%r11 Ok, so that fixes the extra register store. Why is it still creating a stack temporary? -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37512
