diff options
Diffstat (limited to 'gcc/config/c4x')
| -rw-r--r-- | gcc/config/c4x/c4x.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/gcc/config/c4x/c4x.h b/gcc/config/c4x/c4x.h index 14b01338420..3f106f0270a 100644 --- a/gcc/config/c4x/c4x.h +++ b/gcc/config/c4x/c4x.h @@ -1086,11 +1086,11 @@ extern struct rtx_def *c4x_function_arg(); (c4x_function_arg(&CUM, MODE, TYPE, NAMED)) /* Define the profitability of saving registers around calls. - NOTE: For now we turn this off because caller-save assumes - that a register with a QFmode quantity can be saved/restored - using QImode. */ + We disable caller save to avoid a bug in flow.c (this also affects + other targets such as m68k). Since we must use stf/sti, + the profitability is marginal anyway. */ -/* #define CALLER_SAVE_PROFITABLE(REFS,CALLS) 0 */ +#define CALLER_SAVE_PROFITABLE(REFS,CALLS) 0 /* Never pass data by reference. */ |