diff options
Diffstat (limited to 'gcc/rtl.h')
| -rwxr-xr-x | gcc/rtl.h | 28 |
1 files changed, 0 insertions, 28 deletions
@@ -1120,35 +1120,7 @@ extern rtx gen_rtx_MEM PROTO((enum machine_mode, rtx)); and without prototypes. */ #define GEN_INT(N) gen_rtx_CONST_INT (VOIDmode, (HOST_WIDE_INT) (N)) - -/* If HARD_FRAME_POINTER_REGNUM is defined, then a special dummy reg - is used to represent the frame pointer. This is because the - hard frame pointer and the automatic variables are separated by an amount - that cannot be determined until after register allocation. We can assume - that in this case ELIMINABLE_REGS will be defined, one action of which - will be to eliminate FRAME_POINTER_REGNUM into HARD_FRAME_POINTER_REGNUM. */ -#ifndef HARD_FRAME_POINTER_REGNUM -#define HARD_FRAME_POINTER_REGNUM FRAME_POINTER_REGNUM -#endif - -/* For register elimination to work properly these hard_frame_pointer_rtx, - frame_pointer_rtx, and arg_pointer_rtx must be the same if they refer to - the same register. */ -#if HARD_FRAME_POINTER_REGNUM == FRAME_POINTER_REGNUM -#define hard_frame_pointer_rtx (&global_rtl.frame_pointer_val) -#else -#define hard_frame_pointer_rtx (&global_rtl.hard_frame_pointer_val) -#endif - -#if FRAME_POINTER_REGNUM == ARG_POINTER_REGNUM -#define arg_pointer_rtx (&global_rtl.frame_pointer_val) -#else -#if HARD_FRAME_POINTER_REGNUM == ARG_POINTER_REGNUM -#define arg_pointer_rtx (&global_rtl.hard_frame_pointer_val) -#else #define arg_pointer_rtx (&global_rtl.arg_pointer_val) -#endif -#endif /* Virtual registers are used during RTL generation to refer to locations into the stack frame when the actual location isn't known until RTL generation |