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| author | Bernd Schmidt <bernds@codesourcery.com> | 2011-07-06 14:44:30 +0000 |
|---|---|---|
| committer | Bernd Schmidt <bernds@gcc.gnu.org> | 2011-07-06 14:44:30 +0000 |
| commit | d0edd768de548507869ddec157f2e8b3551a6231 (patch) | |
| tree | 95d75bc9dd3fb8ff5d3161011734bcfd2796c8bf /gcc/cse.c | |
| parent | e5cabdfba868da1d67a6fa317846dbd5dfd83ee5 (diff) | |
| download | gcc-d0edd768de548507869ddec157f2e8b3551a6231.zip gcc-d0edd768de548507869ddec157f2e8b3551a6231.tar.gz gcc-d0edd768de548507869ddec157f2e8b3551a6231.tar.bz2 | |
machmode.h (TRULY_NOOP_TRUNCATION_MODES_P): New macro.
* machmode.h (TRULY_NOOP_TRUNCATION_MODES_P): New macro.
* combine.c (make_extraction, gen_lowpart_or_truncate,
apply_distributive_law, simplify_comparison,
reg_truncated_to_mode, record_truncated_value): Use it.
* cse.c (notreg_cost): Likewise.
* expmed.c (store_bit_field_1, extract_bit_field_1): Likewise.
* expr.c (convert_move, convert_modes): Likewise.
* optabs.c (expand_binop, expand_unop): Likewise.
* postreload.c (move2add_last_label): Likewise.
* regmove.c (optimize_reg_copy_3): Likewise.
* rtlhooks.c (gen_lowpart_general): Likewise.
* simplify-rtx.c (simplify_unary_operation_1): Likewise.
From-SVN: r175921
Diffstat (limited to 'gcc/cse.c')
| -rw-r--r-- | gcc/cse.c | 4 |
1 files changed, 2 insertions, 2 deletions
@@ -761,8 +761,8 @@ notreg_cost (rtx x, enum rtx_code outer) && (GET_MODE_SIZE (GET_MODE (x)) < GET_MODE_SIZE (GET_MODE (SUBREG_REG (x)))) && subreg_lowpart_p (x) - && TRULY_NOOP_TRUNCATION (GET_MODE_BITSIZE (GET_MODE (x)), - GET_MODE_BITSIZE (GET_MODE (SUBREG_REG (x))))) + && TRULY_NOOP_TRUNCATION_MODES_P (GET_MODE (x), + GET_MODE (SUBREG_REG (x)))) ? 0 : rtx_cost (x, outer, optimize_this_for_speed_p) * 2); } |