[Bug rtl-optimization/66152] suboptimal load bytes to stack

2019-02-15 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66152 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #5

[Bug rtl-optimization/66152] suboptimal load bytes to stack

2019-02-15 Thread SztfG at yandex dot ru
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66152 --- Comment #4 from SztfG at yandex dot ru --- GCC from trunk doing this: .Ltext0: .LC0: .string "" .ascii "\001\002\003\004\005\006\007" bar: .LFB0: sub rsp, 24 mov rax, QWORD PTR .LC0[rip] lea rdi, [rsp+8] mov QWORD PTR [rsp+8],

[Bug rtl-optimization/66152] suboptimal load bytes to stack

2018-05-27 Thread me at xenu dot pl
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66152 Tomasz Konojacki changed: What|Removed |Added CC||me at xenu dot pl --- Comment #3

[Bug rtl-optimization/66152] suboptimal load bytes to stack

2015-10-20 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66152 --- Comment #2 from Andrew Pinski --- I think there might be already another bug about this same exact thing but I can't seem to find it right now.

[Bug rtl-optimization/66152] suboptimal load bytes to stack

2015-05-14 Thread SztfG at yandex dot ru
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66152 --- Comment #1 from SztfG at yandex dot ru --- If array of char is initialized using string, gcc can use larger mov instruction, like movabsq, movq, movl etc. but not movdqa, movaps or other xmm But if zero byte appears in string, compiler always