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| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/i386/darwin.h | 10 |
2 files changed, 15 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 348347c..7f85af9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2007-06-13 Eric Christopher <echristo@apple.com> + + * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Don't let + the user set a value below STACK_BOUNDARY. + 2007-06-13 Thiemo Seufer <ths@networkno.de> * config/mips/linux.h, config/mips/linux64.h (LIB_SPEC): Always diff --git a/gcc/config/i386/darwin.h b/gcc/config/i386/darwin.h index 144b492..9cc5e54 100644 --- a/gcc/config/i386/darwin.h +++ b/gcc/config/i386/darwin.h @@ -75,6 +75,16 @@ Boston, MA 02110-1301, USA. */ #undef STACK_BOUNDARY #define STACK_BOUNDARY 128 +/* Since we'll never want a stack boundary less aligned than 128 bits + we need the extra work here otherwise bits of gcc get very grumpy + when we ask for lower alignment. We could just reject values less + than 128 bits for Darwin, but it's easier to up the alignment if + it's below the minimum. */ +#undef PREFERRED_STACK_BOUNDARY +#define PREFERRED_STACK_BOUNDARY (ix86_preferred_stack_boundary > 128 \ + ? ix86_preferred_stack_boundary \ + : 128) + /* We want -fPIC by default, unless we're using -static to compile for the kernel or some such. */ |