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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/machmode.h | |
| 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/machmode.h')
| -rw-r--r-- | gcc/machmode.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/machmode.h b/gcc/machmode.h index bdcd02d..30d1a8c 100644 --- a/gcc/machmode.h +++ b/gcc/machmode.h @@ -275,4 +275,8 @@ extern enum machine_mode ptr_mode; /* Target-dependent machine mode initialization - in insn-modes.c. */ extern void init_adjust_machine_modes (void); +#define TRULY_NOOP_TRUNCATION_MODES_P(MODE1, MODE2) \ + TRULY_NOOP_TRUNCATION (GET_MODE_PRECISION (MODE1), \ + GET_MODE_PRECISION (MODE2)) + #endif /* not HAVE_MACHINE_MODES */ |