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(PROMOTE_FUNCTION_ARGS, PROMOTE_FUNCTION_RETURN): Define. 

From-SVN: r10260
This commit is contained in:
Richard Kenner 1995-08-21 12:18:56 -04:00
parent 46d81ffa4a
commit 32c5cac2a5
1 changed files with 6 additions and 4 deletions
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10
gcc/config/sh/sh.h
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@ -1430,10 +1430,12 @@ extern int pragma_interrupt;
&& GET_MODE_SIZE (MODE) < UNITS_PER_WORD) \
MODE = SImode;
/* PROMOTE_FUNCTION_ARGS and PROMOTE_FUNCTION_RETURN appear to have no
effect, because all unprototyped char/shorts are already promoted to
int, and because PROMOTE_PROTOTYPES causes all prototypes char/shorts
to be promoted to it. */
/* Defining PROMOTE_FUNCTION_ARGS eliminates some unnecessary zero/sign
extensions applied to char/short functions arguments. Defining
PROMOTE_FUNCTION_RETURN does the same for function returns. */
#define PROMOTE_FUNCTION_ARGS
#define PROMOTE_FUNCTION_RETURN
/* ??? Define ACCUMULATE_OUTGOING_ARGS? This is more efficient than pushing
and poping arguments. However, we do have push/pop instructions, and