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| author | Jakub Jelinek <jakub@redhat.com> | 2013-10-31 20:06:49 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2013-10-31 20:06:49 +0100 |
| commit | d8c84975e697eea2e306f80cdb21292331fd69d7 (patch) | |
| tree | 7ea25de19c8a02724d9cc355bb4b34e90e4f4b93 /gcc/optabs.c | |
| parent | 5a9785fb4c3ceb3b338634f2ea17474eaebb4955 (diff) | |
| download | gcc-d8c84975e697eea2e306f80cdb21292331fd69d7.zip gcc-d8c84975e697eea2e306f80cdb21292331fd69d7.tar.gz gcc-d8c84975e697eea2e306f80cdb21292331fd69d7.tar.bz2 | |
optabs.c (expand_vec_perm): Avoid vector mode punning SUBREGs in SET_DEST.
* optabs.c (expand_vec_perm): Avoid vector mode punning
SUBREGs in SET_DEST.
* expmed.c (store_bit_field_1): Likewise.
* config/i386/sse.md (movdi_to_sse, vec_pack_sfix_trunc_v2df,
vec_pack_sfix_v2df, vec_shl_<mode>, vec_shr_<mode>,
vec_interleave_high<mode>, vec_interleave_low<mode>): Likewise.
* config/i386/i386.c (ix86_expand_vector_move_misalign,
ix86_expand_sse_movcc, ix86_expand_int_vcond, ix86_expand_vec_perm,
ix86_expand_sse_unpack, ix86_expand_args_builtin,
ix86_expand_vector_init_duplicate, ix86_expand_vector_set,
emit_reduc_half, expand_vec_perm_blend, expand_vec_perm_pshufb,
expand_vec_perm_interleave2, expand_vec_perm_pshufb2,
expand_vec_perm_vpshufb2_vpermq,
expand_vec_perm_vpshufb2_vpermq_even_odd, expand_vec_perm_even_odd_1,
expand_vec_perm_broadcast_1, expand_vec_perm_vpshufb4_vpermq2,
ix86_expand_sse2_mulv4si3, ix86_expand_pinsr): Likewise.
(expand_vec_perm_palignr): Likewise. Modify a copy of *d rather
than *d itself.
From-SVN: r204274
Diffstat (limited to 'gcc/optabs.c')
| -rw-r--r-- | gcc/optabs.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/gcc/optabs.c b/gcc/optabs.c index a8a7e4f..3755670 100644 --- a/gcc/optabs.c +++ b/gcc/optabs.c @@ -6624,8 +6624,8 @@ expand_vec_perm (enum machine_mode mode, rtx v0, rtx v1, rtx sel, rtx target) icode = direct_optab_handler (vec_perm_const_optab, qimode); if (icode != CODE_FOR_nothing) { - tmp = expand_vec_perm_1 (icode, gen_lowpart (qimode, target), - gen_lowpart (qimode, v0), + tmp = mode != qimode ? gen_reg_rtx (qimode) : target; + tmp = expand_vec_perm_1 (icode, tmp, gen_lowpart (qimode, v0), gen_lowpart (qimode, v1), sel_qi); if (tmp) return gen_lowpart (mode, tmp); @@ -6674,7 +6674,7 @@ expand_vec_perm (enum machine_mode mode, rtx v0, rtx v1, rtx sel, rtx target) } tmp = gen_rtx_CONST_VECTOR (qimode, vec); sel = gen_lowpart (qimode, sel); - sel = expand_vec_perm (qimode, sel, sel, tmp, NULL); + sel = expand_vec_perm (qimode, gen_reg_rtx (qimode), sel, tmp, NULL); gcc_assert (sel != NULL); /* Add the byte offset to each byte element. */ @@ -6689,8 +6689,8 @@ expand_vec_perm (enum machine_mode mode, rtx v0, rtx v1, rtx sel, rtx target) gcc_assert (sel_qi != NULL); } - tmp = expand_vec_perm_1 (icode, gen_lowpart (qimode, target), - gen_lowpart (qimode, v0), + tmp = mode != qimode ? gen_reg_rtx (qimode) : target; + tmp = expand_vec_perm_1 (icode, tmp, gen_lowpart (qimode, v0), gen_lowpart (qimode, v1), sel_qi); if (tmp) tmp = gen_lowpart (mode, tmp); |