On 2012-10-16 17:23, Yeongkyoon Lee wrote:
> + /* Code generation of qemu_ld/st's slow path calling MMU helper
> +
> + PRE_PROC ...
> + call MMU helper
> + jmp POST_PROC (2b) : short forward jump <- GETRA()
> + jmp next_code (5b) : dummy long backward jump which is never executed
> + POST_PROC ... : do post-processing <- GETRA() + 7
> + jmp next_code : jump to the code corresponding to next IR of
> qemu_ld/st
> + */
Is this jump over jump really any better than passing next_code
as another function argument?
In 32-bit mode
push $next_code
In 64-bit mode
leaq next_code(%rip),%r8
r~
