diff options
Diffstat (limited to 'gcc/reload1.c')
| -rw-r--r-- | gcc/reload1.c | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/gcc/reload1.c b/gcc/reload1.c index 1233722..93745e1 100644 --- a/gcc/reload1.c +++ b/gcc/reload1.c @@ -364,7 +364,6 @@ static int new_spill_reg PROTO((int, int, int *, int *, int, FILE *)); static void delete_dead_insn PROTO((rtx)); static void alter_reg PROTO((int, int)); -static void mark_scratch_live PROTO((rtx)); static void set_label_offsets PROTO((rtx, rtx, int)); static int eliminate_regs_in_insn PROTO((rtx, int)); static void mark_not_eliminable PROTO((rtx, rtx)); @@ -645,10 +644,6 @@ reload (first, global, dumpfile) regs_ever_live[i] = 1; } - for (i = 0; i < scratch_list_length; i++) - if (scratch_list[i]) - mark_scratch_live (scratch_list[i]); - /* Make sure that the last insn in the chain is not something that needs reloading. */ emit_note (NULL_PTR, NOTE_INSN_DELETED); @@ -1388,13 +1383,6 @@ reload (first, global, dumpfile) if (real_at_ptr) free (real_at_ptr); - if (scratch_list) - free (scratch_list); - scratch_list = 0; - if (scratch_block) - free (scratch_block); - scratch_block = 0; - free (reg_equiv_constant); free (reg_equiv_memory_loc); free (reg_equiv_mem); @@ -2687,20 +2675,6 @@ mark_home_live (regno) while (i < lim) regs_ever_live[i++] = 1; } - -/* Mark the registers used in SCRATCH as being live. */ - -static void -mark_scratch_live (scratch) - rtx scratch; -{ - register int i; - int regno = REGNO (scratch); - int lim = regno + HARD_REGNO_NREGS (regno, GET_MODE (scratch)); - - for (i = regno; i < lim; i++) - regs_ever_live[i] = 1; -} /* This function handles the tracking of elimination offsets around branches. @@ -3824,33 +3798,6 @@ spill_hard_reg (regno, global, dumpfile, cant_eliminate) i, reg_renumber[i]); } } - for (i = 0; i < scratch_list_length; i++) - { - if (scratch_list[i] - && regno >= REGNO (scratch_list[i]) - && regno < REGNO (scratch_list[i]) - + HARD_REGNO_NREGS (REGNO (scratch_list[i]), - GET_MODE (scratch_list[i]))) - { - if (! cant_eliminate && basic_block_needs[0] - && ! basic_block_needs[(int) class][scratch_block[i]]) - { - enum reg_class *p; - - for (p = reg_class_superclasses[(int) class]; - *p != LIM_REG_CLASSES; p++) - if (basic_block_needs[(int) *p][scratch_block[i]] > 0) - break; - - if (*p == LIM_REG_CLASSES) - continue; - } - PUT_CODE (scratch_list[i], SCRATCH); - scratch_list[i] = 0; - something_changed = 1; - continue; - } - } return something_changed; } |