On Mon, 2011-03-28 at 23:50 +0200, Dominique Dhumieres wrote: > > Just guessing at the numbers, does the following patch fix the > > failures for you? > > As I am currently bootstrapping gcc, I cannot regtest right now, but running > the > test manually I get 256 at -m32 (I guess this is right) while I get 272 at > -m64 > (so the test will fail).
Ok, slightly updated. How about this? Although it seems strange that darwin has such a large amount of inherent stack usage compare to linux. Peter Index: gcc/testsuite/gcc.dg/stack-usage-1.c =================================================================== --- gcc/testsuite/gcc.dg/stack-usage-1.c (revision 171620) +++ gcc/testsuite/gcc.dg/stack-usage-1.c (working copy) @@ -31,11 +31,19 @@ # define SIZE 248 # endif #elif defined (__powerpc64__) || defined (__PPC64__) -# define SIZE 180 +# if defined (__APPLE__) +# define SIZE 132 +# else +# define SIZE 180 +# endif #elif defined (__powerpc__) || defined (__PPC__) || defined (__ppc__) \ || defined (__POWERPC__) || defined (PPC) || defined (_IBMR2) # if defined (__ALTIVEC__) -# define SIZE 220 +# if defined (__APPLE__) +# define SIZE 204 +# else +# define SIZE 220 +# endif # else # define SIZE 240 # endif