diff options
| author | Richard Sandiford <richard.sandiford@linaro.org> | 2017-09-05 19:57:39 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2017-09-05 19:57:39 +0000 |
| commit | 9da15d4097fa2fde5c2a5f1681db8fd04488a563 (patch) | |
| tree | 4f9be4daf0cecba38b9ccc0040c50f9f84bf3f6e /gcc/optabs.c | |
| parent | ddc203a7b15306287792a3eed6abfe306e3d26ad (diff) | |
| download | gcc-9da15d4097fa2fde5c2a5f1681db8fd04488a563.zip gcc-9da15d4097fa2fde5c2a5f1681db8fd04488a563.tar.gz gcc-9da15d4097fa2fde5c2a5f1681db8fd04488a563.tar.bz2 | |
Make mode_for_vector return an opt_mode
...following on from the mode_for_size change. The patch also removes
machmode.h versions of the stor-layout.c comments, since the comments
in the .c file are more complete.
2017-09-05 Richard Sandiford <richard.sandiford@linaro.org>
gcc/
* machmode.h (mode_for_vector): Return an opt_mode.
* stor-layout.c (mode_for_vector): Likewise.
(mode_for_int_vector): Update accordingly.
(layout_type): Likewise.
* config/i386/i386.c (emit_memmov): Likewise.
(ix86_expand_set_or_movmem): Likewise.
(ix86_expand_vector_init): Likewise.
(ix86_get_mask_mode): Likewise.
* config/powerpcspe/powerpcspe.c (rs6000_expand_vec_perm_const_1):
Likewise.
* config/rs6000/rs6000.c (rs6000_expand_vec_perm_const_1): Likewise.
* expmed.c (extract_bit_field_1): Likewise.
* expr.c (expand_expr_real_2): Likewise.
* optabs-query.c (can_vec_perm_p): Likewise.
(can_vec_mask_load_store_p): Likewise.
* optabs.c (expand_vec_perm): Likewise.
* targhooks.c (default_get_mask_mode): Likewise.
* tree-vect-stmts.c (vectorizable_store): Likewise.
(vectorizable_load): Likewise.
(get_vectype_for_scalar_type_and_size): Likewise.
From-SVN: r251730
Diffstat (limited to 'gcc/optabs.c')
| -rw-r--r-- | gcc/optabs.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/gcc/optabs.c b/gcc/optabs.c index b657070..67dfa58 100644 --- a/gcc/optabs.c +++ b/gcc/optabs.c @@ -5434,13 +5434,10 @@ expand_vec_perm (machine_mode mode, rtx v0, rtx v1, rtx sel, rtx target) /* Set QIMODE to a different vector mode with byte elements. If no such mode, or if MODE already has byte elements, use VOIDmode. */ - qimode = VOIDmode; - if (GET_MODE_INNER (mode) != QImode) - { - qimode = mode_for_vector (QImode, w); - if (!VECTOR_MODE_P (qimode)) - qimode = VOIDmode; - } + if (GET_MODE_INNER (mode) == QImode + || !mode_for_vector (QImode, w).exists (&qimode) + || !VECTOR_MODE_P (qimode)) + qimode = VOIDmode; /* If the input is a constant, expand it specially. */ gcc_assert (GET_MODE_CLASS (GET_MODE (sel)) == MODE_VECTOR_INT); |