diff options
Diffstat (limited to 'gcc/lra-constraints.c')
| -rw-r--r-- | gcc/lra-constraints.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/gcc/lra-constraints.c b/gcc/lra-constraints.c index bd9f85d..f258407 100644 --- a/gcc/lra-constraints.c +++ b/gcc/lra-constraints.c @@ -1866,11 +1866,12 @@ prohibited_class_reg_set_mode_p (enum reg_class rclass, alternative. */ static unsigned int curr_small_class_check = 0; -/* Update number of used inputs of class OP_CLASS for operand NOP. - Return true if we have more such class operands than the number of - available regs. */ +/* Update number of used inputs of class OP_CLASS for operand NOP + of alternative NALT. Return true if we have more such class operands + than the number of available regs. */ static bool -update_and_check_small_class_inputs (int nop, enum reg_class op_class) +update_and_check_small_class_inputs (int nop, int nalt, + enum reg_class op_class) { static unsigned int small_class_check[LIM_REG_CLASSES]; static int small_class_input_nums[LIM_REG_CLASSES]; @@ -1881,7 +1882,7 @@ update_and_check_small_class_inputs (int nop, enum reg_class op_class) && hard_reg_set_intersect_p (reg_class_contents[op_class], ira_no_alloc_regs) && (curr_static_id->operand[nop].type != OP_OUT - || curr_static_id->operand[nop].early_clobber)) + || TEST_BIT (curr_static_id->operand[nop].early_clobber_alts, nalt))) { if (small_class_check[op_class] == curr_small_class_check) small_class_input_nums[op_class]++; @@ -2150,7 +2151,8 @@ process_alt_operands (int only_alternative) /* We should reject matching of an early clobber operand if the matching operand is not dying in the insn. */ - if (! curr_static_id->operand[m].early_clobber + if (!TEST_BIT (curr_static_id->operand[m] + .early_clobber_alts, nalt) || operand_reg[nop] == NULL_RTX || (find_regno_note (curr_insn, REG_DEAD, REGNO (op)) @@ -2234,7 +2236,8 @@ process_alt_operands (int only_alternative) it results in less hard regs required for the insn than a non-matching earlyclobber alternative. */ - if (curr_static_id->operand[m].early_clobber) + if (TEST_BIT (curr_static_id->operand[m] + .early_clobber_alts, nalt)) { if (lra_dump_file != NULL) fprintf @@ -2875,7 +2878,8 @@ process_alt_operands (int only_alternative) goto fail; } - if (update_and_check_small_class_inputs (nop, this_alternative)) + if (update_and_check_small_class_inputs (nop, nalt, + this_alternative)) { if (lra_dump_file != NULL) fprintf (lra_dump_file, |