diff options
Diffstat (limited to 'contrib/gcc/regs.h')
| -rw-r--r-- | contrib/gcc/regs.h | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/contrib/gcc/regs.h b/contrib/gcc/regs.h index e248665..d513093 100644 --- a/contrib/gcc/regs.h +++ b/contrib/gcc/regs.h @@ -38,10 +38,6 @@ Boston, MA 02111-1307, USA. */ extern int max_regno; -/* Maximum number of SCRATCH rtx's in each block of this function. */ - -extern int max_scratch; - /* Register information indexed by register number */ typedef struct reg_info_def { /* fields set by reg_scan */ @@ -211,14 +207,17 @@ extern int caller_save_needed; #define CLASS_LIKELY_SPILLED_P(CLASS) (reg_class_size[(int) (CLASS)] == 1) #endif -/* Allocated in local_alloc. */ +/* Select a register mode required for caller save of hard regno REGNO. */ +#ifndef HARD_REGNO_CALLER_SAVE_MODE +#define HARD_REGNO_CALLER_SAVE_MODE(REGNO, NREGS) \ + choose_hard_reg_mode (REGNO, NREGS) +#endif -/* A list of SCRATCH rtl allocated by local-alloc. */ -extern rtx *scratch_list; -/* The basic block in which each SCRATCH is used. */ -extern int *scratch_block; -/* The length of the arrays pointed to by scratch_block and scratch_list. */ -extern int scratch_list_length; +/* Registers that get partially clobbered by a call in a given mode. + These must not be call used registers. */ +#ifndef HARD_REGNO_CALL_PART_CLOBBERED +#define HARD_REGNO_CALL_PART_CLOBBERED(REGNO, MODE) 0 +#endif /* Allocate reg_n_info tables */ extern void allocate_reg_info PROTO((size_t, int, int)); |
