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authorBernd Schmidt <bernds@codesourcery.com>2011-07-06 14:44:30 +0000
committerBernd Schmidt <bernds@gcc.gnu.org>2011-07-06 14:44:30 +0000
commitd0edd768de548507869ddec157f2e8b3551a6231 (patch)
tree95d75bc9dd3fb8ff5d3161011734bcfd2796c8bf /gcc/rtlhooks.c
parente5cabdfba868da1d67a6fa317846dbd5dfd83ee5 (diff)
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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/rtlhooks.c')
-rw-r--r--gcc/rtlhooks.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/gcc/rtlhooks.c b/gcc/rtlhooks.c
index a64c067..60e4d52 100644
--- a/gcc/rtlhooks.c
+++ b/gcc/rtlhooks.c
@@ -61,8 +61,7 @@ gen_lowpart_general (enum machine_mode mode, rtx x)
/* The following exposes the use of "x" to CSE. */
if (GET_MODE_SIZE (GET_MODE (x)) <= UNITS_PER_WORD
&& SCALAR_INT_MODE_P (GET_MODE (x))
- && TRULY_NOOP_TRUNCATION (GET_MODE_BITSIZE (mode),
- GET_MODE_BITSIZE (GET_MODE (x)))
+ && TRULY_NOOP_TRUNCATION_MODES_P (mode, GET_MODE (x))
&& !reload_completed)
return gen_lowpart_general (mode, force_reg (GET_MODE (x), x));