diff options
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/config/c4x/c4x.h | 8 |
2 files changed, 8 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 326147a5f9c..e765fac1f3f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable. + Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com> * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o. 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. */ |
