On 02/24/2016 01:42 PM, Alexander Monakov wrote:
On Wed, 24 Feb 2016, DJ Delorie wrote:
The real question is: are stack arguments call-clobbered or
call-preserved? Does the answer depend on the "pure" attribute?
Stack area holding stack arguments should belong to the callee for tail-calls
to
On Wed, 24 Feb 2016, DJ Delorie wrote:
> The real question is: are stack arguments call-clobbered or
> call-preserved? Does the answer depend on the "pure" attribute?
Stack area holding stack arguments should belong to the callee for tail-calls
to work (the callee will trash that area when laying
Consider this example (derived from gcc.c-torture/execute/920726-1.c):
extern int a(int a, int b, int c, int d, int e, int f, const char *s1, const
char *s2) __attribute__((pure));
int
foo()
{
if (a(0,0,0,0,0,0,"abc","def") || a(0,0,0,0,0,0,"abc","ghi"))
return 0;
return 1
