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| author | Richard Sandiford <richard.sandiford@linaro.org> | 2017-08-21 14:50:56 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2017-08-21 14:50:56 +0000 |
| commit | 2be65d9e98a1335e0d948c2de59946e715afcbe5 (patch) | |
| tree | a5f3b1eb5eba6d6c7a010dd6ece0a25d1e89b38a /gcc/fold-const.c | |
| parent | e83fe013941bf8b3129a8ceb19e14ea7d8c51aa2 (diff) | |
| download | gcc-2be65d9e98a1335e0d948c2de59946e715afcbe5.zip gcc-2be65d9e98a1335e0d948c2de59946e715afcbe5.tar.gz gcc-2be65d9e98a1335e0d948c2de59946e715afcbe5.tar.bz2 | |
Add a type_has_mode_precision_p helper function
...to replace instances of:
TYPE_PRECISION (t) == GET_MODE_PRECISION (TYPE_MODE (t))
These conditions would need to be rewritten with variable-sized
modes anyway.
2017-08-21 Richard Sandiford <richard.sandiford@linaro.org>
gcc/
* tree.h (type_has_mode_precision_p): New function.
* convert.c (convert_to_integer_1): Use it.
* expr.c (expand_expr_real_2): Likewise.
(expand_expr_real_1): Likewise.
* fold-const.c (fold_single_bit_test_into_sign_test): Likewise.
* match.pd: Likewise.
* tree-ssa-forwprop.c (simplify_rotate): Likewise.
* tree-ssa-math-opts.c (convert_mult_to_fma): Likewise.
* tree-tailcall.c (process_assignment): Likewise.
* tree-vect-loop.c (vectorizable_reduction): Likewise.
* tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern)
(vect_recog_mult_pattern, vect_recog_divmod_pattern): Likewise.
* tree-vect-stmts.c (vectorizable_conversion): Likewise.
(vectorizable_assignment): Likewise.
(vectorizable_shift): Likewise.
(vectorizable_operation): Likewise.
* tree-vrp.c (register_edge_assert_for_2): Likewise.
From-SVN: r251231
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index fef9b1a..de60f68 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -6638,8 +6638,7 @@ fold_single_bit_test_into_sign_test (location_t loc, if (arg00 != NULL_TREE /* This is only a win if casting to a signed type is cheap, i.e. when arg00's type is not a partial mode. */ - && TYPE_PRECISION (TREE_TYPE (arg00)) - == GET_MODE_PRECISION (TYPE_MODE (TREE_TYPE (arg00)))) + && type_has_mode_precision_p (TREE_TYPE (arg00))) { tree stype = signed_type_for (TREE_TYPE (arg00)); return fold_build2_loc (loc, code == EQ_EXPR ? GE_EXPR : LT_EXPR, |