Jakub Jelinek wrote:
> Hi!
>
> extern void bar (void) __attribute__((visibility ("hidden")));
> void foo (void)
> {
> bar ();
> bar ();
> }
> compiled on ppc64-linux with -O2 -m64 -mminimal-toc
> leads to bl bar without nop in the following instruction
> and to sibling call.
> Shouldn't -mminimal-toc also forbid omitting nops if
> the target call isn't defined in the same file and forbid
> sibcalls to such functions?
That would be my recommendation: limit optimizations that require a
short branch to calls to functions in the same translation unit, not
just in the same shared object. But, that's just my two cents; the
Power maintainers might have a different take.
--
Mark Mitchell
CodeSourcery
[EMAIL PROTECTED]
(650) 331-3385 x713
