diff options
Diffstat (limited to 'gcc/config/mips/mips.c')
| -rw-r--r-- | gcc/config/mips/mips.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/config/mips/mips.c b/gcc/config/mips/mips.c index 04a1f0e..4236399 100644 --- a/gcc/config/mips/mips.c +++ b/gcc/config/mips/mips.c @@ -8989,6 +8989,15 @@ mips_frame_pointer_required (void) return false; } +/* Make sure that we're not trying to eliminate to the wrong hard frame + pointer. */ + +static bool +mips_can_eliminate (const int from ATTRIBUTE_UNUSED, const int to) +{ + return (to == HARD_FRAME_POINTER_REGNUM || to == STACK_POINTER_REGNUM); +} + /* Implement INITIAL_ELIMINATION_OFFSET. FROM is either the frame pointer or argument pointer. TO is either the stack pointer or hard frame pointer. */ @@ -15010,6 +15019,9 @@ mips_final_postscan_insn (FILE *file ATTRIBUTE_UNUSED, rtx insn, #undef TARGET_FRAME_POINTER_REQUIRED #define TARGET_FRAME_POINTER_REQUIRED mips_frame_pointer_required +#undef TARGET_CAN_ELIMINATE +#define TARGET_CAN_ELIMINATE mips_can_eliminate + struct gcc_target targetm = TARGET_INITIALIZER; #include "gt-mips.h" |