diff options
Diffstat (limited to 'gcc/reload1.c')
| -rw-r--r-- | gcc/reload1.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/gcc/reload1.c b/gcc/reload1.c index 399b1f1de2d..ef4deb94426 100644 --- a/gcc/reload1.c +++ b/gcc/reload1.c @@ -21,6 +21,8 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA #include "config.h" #include "system.h" +#include "coretypes.h" +#include "tm.h" #include "machmode.h" #include "hard-reg-set.h" @@ -2933,7 +2935,7 @@ eliminate_regs_in_insn (insn, replace) rtx old_set = single_set (insn); rtx new_body; int val = 0; - int i, any_changes; + int i; rtx substed_operand[MAX_RECOG_OPERANDS]; rtx orig_operand[MAX_RECOG_OPERANDS]; struct elim_table *ep; @@ -3108,7 +3110,6 @@ eliminate_regs_in_insn (insn, replace) /* Eliminate all eliminable registers occurring in operands that can be handled by reload. */ extract_insn (insn); - any_changes = 0; for (i = 0; i < recog_data.n_operands; i++) { orig_operand[i] = recog_data.operand[i]; @@ -3134,7 +3135,7 @@ eliminate_regs_in_insn (insn, replace) substed_operand[i] = eliminate_regs (recog_data.operand[i], 0, replace ? insn : NULL_RTX); if (substed_operand[i] != orig_operand[i]) - val = any_changes = 1; + val = 1; /* Terminate the search in check_eliminable_occurrences at this point. */ *recog_data.operand_loc[i] = 0; @@ -6871,7 +6872,6 @@ do_input_reload (chain, rl, j) struct reload *rl; int j; { - int expect_occurrences = 1; rtx insn = chain->insn; rtx old = (rl->in && GET_CODE (rl->in) == MEM ? rl->in_reg : rl->in); @@ -6892,11 +6892,7 @@ do_input_reload (chain, rl, j) && GET_CODE (rl->in_reg) == MEM && reload_spill_index[j] >= 0 && TEST_HARD_REG_BIT (reg_reloaded_valid, reload_spill_index[j])) - { - expect_occurrences - = count_occurrences (PATTERN (insn), rl->in, 0) == 1 ? 0 : -1; - rl->in = regno_reg_rtx[reg_reloaded_contents[reload_spill_index[j]]]; - } + rl->in = regno_reg_rtx[reg_reloaded_contents[reload_spill_index[j]]]; /* If we are reloading a register that was recently stored in with an output-reload, see if we can prove there was @@ -9154,7 +9150,7 @@ reload_cse_move2add (first) use (set (reg) (reg)) instead. We don't delete this insn, nor do we convert it into a note, to avoid losing register notes or the return - value flag. jump2 already knowns how to get rid of + value flag. jump2 already knows how to get rid of no-op moves. */ if (new_src == const0_rtx) success = validate_change (insn, &SET_SRC (pat), reg, 0); |