diff options
Diffstat (limited to 'gcc/cse.c')
| -rw-r--r-- | gcc/cse.c | 22 |
1 files changed, 12 insertions, 10 deletions
@@ -720,13 +720,14 @@ preferable (int cost_a, int regcost_a, int cost_b, int regcost_b) static int notreg_cost (rtx x, machine_mode mode, enum rtx_code outer, int opno) { + scalar_int_mode int_mode, inner_mode; return ((GET_CODE (x) == SUBREG && REG_P (SUBREG_REG (x)) - && GET_MODE_CLASS (mode) == MODE_INT - && GET_MODE_CLASS (GET_MODE (SUBREG_REG (x))) == MODE_INT - && GET_MODE_SIZE (mode) < GET_MODE_SIZE (GET_MODE (SUBREG_REG (x))) + && is_int_mode (mode, &int_mode) + && is_int_mode (GET_MODE (SUBREG_REG (x)), &inner_mode) + && GET_MODE_SIZE (int_mode) < GET_MODE_SIZE (inner_mode) && subreg_lowpart_p (x) - && TRULY_NOOP_TRUNCATION_MODES_P (mode, GET_MODE (SUBREG_REG (x)))) + && TRULY_NOOP_TRUNCATION_MODES_P (int_mode, inner_mode)) ? 0 : rtx_cost (x, mode, outer, opno, optimize_this_for_speed_p) * 2); } @@ -4603,6 +4604,7 @@ cse_insn (rtx_insn *insn) /* Set nonzero if we need to call force_const_mem on with the contents of src_folded before using it. */ int src_folded_force_flag = 0; + scalar_int_mode int_mode; dest = SET_DEST (sets[i].rtl); src = SET_SRC (sets[i].rtl); @@ -4840,13 +4842,13 @@ cse_insn (rtx_insn *insn) wider mode. */ if (src_const && src_related == 0 && CONST_INT_P (src_const) - && GET_MODE_CLASS (mode) == MODE_INT - && GET_MODE_PRECISION (mode) < BITS_PER_WORD) + && is_int_mode (mode, &int_mode) + && GET_MODE_PRECISION (int_mode) < BITS_PER_WORD) { - machine_mode wider_mode; - - FOR_EACH_WIDER_MODE (wider_mode, mode) + opt_scalar_int_mode wider_mode_iter; + FOR_EACH_WIDER_MODE (wider_mode_iter, int_mode) { + scalar_int_mode wider_mode = wider_mode_iter.require (); if (GET_MODE_PRECISION (wider_mode) > BITS_PER_WORD) break; @@ -4860,7 +4862,7 @@ cse_insn (rtx_insn *insn) const_elt; const_elt = const_elt->next_same_value) if (REG_P (const_elt->exp)) { - src_related = gen_lowpart (mode, const_elt->exp); + src_related = gen_lowpart (int_mode, const_elt->exp); break; } |