target_flags |= MASK_ACCUMULATE_OUTGOING_ARGS;
}
+ /* If stack probes are required, the space used for large function
+ arguments on the stack must also be probed, so enable
+ -maccumulate-outgoing-args so this happens in the prologue. */
+ if (TARGET_STACK_PROBE
+ && !(target_flags & MASK_ACCUMULATE_OUTGOING_ARGS))
+ {
+ if (target_flags_explicit & MASK_ACCUMULATE_OUTGOING_ARGS)
+ warning (0, "stack probing requires -maccumulate-outgoing-args "
+ "for correctness");
+ target_flags |= MASK_ACCUMULATE_OUTGOING_ARGS;
+ }
+
/* For sane SSE instruction set generation we need fcomi instruction.
It is safe to enable all CMOVE instructions. */
if (TARGET_SSE)