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| author | Jason Merrill <jason@redhat.com> | 2003-06-30 09:16:26 -0400 |
|---|---|---|
| committer | Jason Merrill <jason@gcc.gnu.org> | 2003-06-30 09:16:26 -0400 |
| commit | 9d6bef95268396905cc9fc00b5d3ced127999b7b (patch) | |
| tree | 3775fee47e7deef7f819597bbd152626ecbaf88e /gcc/defaults.h | |
| parent | 4e938719ec8336a0f0108ea84ab4eccceaf30ed5 (diff) | |
| download | gcc-9d6bef95268396905cc9fc00b5d3ced127999b7b.zip gcc-9d6bef95268396905cc9fc00b5d3ced127999b7b.tar.gz gcc-9d6bef95268396905cc9fc00b5d3ced127999b7b.tar.bz2 | |
defaults.h (PUSH_ARGS_REVERSED): Define default here.
* defaults.h (PUSH_ARGS_REVERSED): Define default here.
* calls.c: Not here.
From-SVN: r68701
Diffstat (limited to 'gcc/defaults.h')
| -rw-r--r-- | gcc/defaults.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/defaults.h b/gcc/defaults.h index eb3e78c..20dc172 100644 --- a/gcc/defaults.h +++ b/gcc/defaults.h @@ -411,6 +411,26 @@ do { fputs (integer_asm_op (POINTER_SIZE / UNITS_PER_WORD, TRUE), FILE); \ #endif #endif +/* Decide whether a function's arguments should be processed + from first to last or from last to first. + + They should if the stack and args grow in opposite directions, but + only if we have push insns. */ + +#ifdef PUSH_ROUNDING + +#ifndef PUSH_ARGS_REVERSED +#if defined (STACK_GROWS_DOWNWARD) != defined (ARGS_GROW_DOWNWARD) +#define PUSH_ARGS_REVERSED PUSH_ARGS +#endif +#endif + +#endif + +#ifndef PUSH_ARGS_REVERSED +#define PUSH_ARGS_REVERSED 0 +#endif + /* If PREFERRED_STACK_BOUNDARY is not defined, set it to STACK_BOUNDARY. STACK_BOUNDARY is required. */ #ifndef PREFERRED_STACK_BOUNDARY |