https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85927
Jakub Jelinek changed:
What|Removed |Added
CC||jakub at gcc dot gnu.org,
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85927
Petr Skocik changed:
What|Removed |Added
CC||pskocik at gmail dot com
--- Comment #5 fr
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85927
--- Comment #4 from Nick Desaulniers ---
Thanks for the clarification.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85927
--- Comment #3 from Andrew Pinski ---
I don't see the issue with the ud2 instruction here. The only valid thing is
for basic inline-asm statements in the functions which have the naked
attribute. It is undefined if using anything besides basic
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85927
--- Comment #2 from Nick Desaulniers ---
Sorry, probably:
__attribute__((naked))
unsigned long save_flags4(void) {
asm volatile("pushf; pop %rax;ret;");
}
is a better example:
:
0: 9c pushfq
1
