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| 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-query.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-query.c')
| -rw-r--r-- | gcc/optabs-query.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/gcc/optabs-query.c b/gcc/optabs-query.c index f606073..9afdd1f 100644 --- a/gcc/optabs-query.c +++ b/gcc/optabs-query.c @@ -376,10 +376,9 @@ can_vec_perm_p (machine_mode mode, bool variable, return true; /* We allow fallback to a QI vector mode, and adjust the mask. */ - if (GET_MODE_INNER (mode) == QImode) - return false; - qimode = mode_for_vector (QImode, GET_MODE_SIZE (mode)); - if (!VECTOR_MODE_P (qimode)) + if (GET_MODE_INNER (mode) == QImode + || !mode_for_vector (QImode, GET_MODE_SIZE (mode)).exists (&qimode) + || !VECTOR_MODE_P (qimode)) return false; /* ??? For completeness, we ought to check the QImode version of @@ -547,12 +546,14 @@ can_vec_mask_load_store_p (machine_mode mode, vector_sizes &= ~cur; if (cur <= GET_MODE_SIZE (smode)) continue; - vmode = mode_for_vector (smode, cur / GET_MODE_SIZE (smode)); - mask_mode = targetm.vectorize.get_mask_mode (GET_MODE_NUNITS (vmode), - cur); - if (VECTOR_MODE_P (vmode) - && convert_optab_handler (op, vmode, mask_mode) != CODE_FOR_nothing) - return true; + unsigned int nunits = cur / GET_MODE_SIZE (smode); + if (mode_for_vector (smode, nunits).exists (&vmode) + && VECTOR_MODE_P (vmode)) + { + mask_mode = targetm.vectorize.get_mask_mode (nunits, cur); + if (convert_optab_handler (op, vmode, mask_mode) != CODE_FOR_nothing) + return true; + } } return false; } |