(corrected) fixed or forbidden register was spilled
Jeffrey A Law
law@cygnus.com
Tue Sep 8 15:33:00 GMT 1998
In message < 13812.63298.904315.903684@harpo.csd.uu.se >you write:
> struct regs {
> unsigned int eax, ebx, ecx, edx, esi, edi;
> };
>
> void apm_bios_call(struct regs *regs)
> {
> asm volatile("nop"
> :"=a"(regs->eax)
> ,"=b"(regs->ebx)
> ,"=c"(regs->ecx)
> ,"=d"(regs->edx)
> ,"=S"(regs->esi)
> ,"=D"(regs->edi)
> );
This asm is still invalid. It uses too many registers.
jeff
More information about the Gcc-bugs
mailing list