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| author | Jakub Jelinek <jakub@redhat.com> | 2012-06-29 22:26:51 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2012-06-29 22:26:51 +0200 |
| commit | 271be5165c6bb7121ad6f57c8f2695318c581270 (patch) | |
| tree | 48622f59f6bcf1ffc1113605bdaee16510044841 /gcc/tree-vect-generic.c | |
| parent | 0fcc85cd9e285522f9896a88e1374e0cc2454b4f (diff) | |
| download | gcc-271be5165c6bb7121ad6f57c8f2695318c581270.zip gcc-271be5165c6bb7121ad6f57c8f2695318c581270.tar.gz gcc-271be5165c6bb7121ad6f57c8f2695318c581270.tar.bz2 | |
tree-vect-generic.c (expand_vector_divmod): For even/odd widening multiply, put even always as first argument to VEC_PERM_EXPR.
* tree-vect-generic.c (expand_vector_divmod): For even/odd
widening multiply, put even always as first argument to
VEC_PERM_EXPR.
From-SVN: r189082
Diffstat (limited to 'gcc/tree-vect-generic.c')
| -rw-r--r-- | gcc/tree-vect-generic.c | 39 |
1 files changed, 18 insertions, 21 deletions
diff --git a/gcc/tree-vect-generic.c b/gcc/tree-vect-generic.c index 89d8bae..37fa5e3 100644 --- a/gcc/tree-vect-generic.c +++ b/gcc/tree-vect-generic.c @@ -457,7 +457,7 @@ expand_vector_divmod (gimple_stmt_iterator *gsi, tree type, tree op0, optab op; tree *vec; unsigned char *sel = NULL; - tree cur_op, mhi, mlo, mulcst, perm_mask, wider_type, tem, decl_e, decl_o; + tree cur_op, m1, m2, mulcst, perm_mask, wider_type, tem, decl_e, decl_o; if (prec > HOST_BITS_PER_WIDE_INT) return NULL_TREE; @@ -843,35 +843,32 @@ expand_vector_divmod (gimple_stmt_iterator *gsi, tree type, tree op0, gimple call; call = gimple_build_call (decl_e, 2, cur_op, mulcst); - mhi = create_tmp_reg (wider_type, NULL); - add_referenced_var (mhi); - mhi = make_ssa_name (mhi, call); - gimple_call_set_lhs (call, mhi); + m1 = create_tmp_reg (wider_type, NULL); + add_referenced_var (m1); + m1 = make_ssa_name (m1, call); + gimple_call_set_lhs (call, m1); gsi_insert_seq_before (gsi, call, GSI_SAME_STMT); call = gimple_build_call (decl_o, 2, cur_op, mulcst); - mlo = create_tmp_reg (wider_type, NULL); - add_referenced_var (mlo); - mlo = make_ssa_name (mlo, call); - gimple_call_set_lhs (call, mlo); + m2 = create_tmp_reg (wider_type, NULL); + add_referenced_var (m2); + m2 = make_ssa_name (m2, call); + gimple_call_set_lhs (call, m2); gsi_insert_seq_before (gsi, call, GSI_SAME_STMT); } else { - mhi = gimplify_build2 (gsi, VEC_WIDEN_MULT_HI_EXPR, wider_type, - cur_op, mulcst); - mlo = gimplify_build2 (gsi, VEC_WIDEN_MULT_LO_EXPR, wider_type, - cur_op, mulcst); + m1 = gimplify_build2 (gsi, BYTES_BIG_ENDIAN ? VEC_WIDEN_MULT_HI_EXPR + : VEC_WIDEN_MULT_LO_EXPR, + wider_type, cur_op, mulcst); + m2 = gimplify_build2 (gsi, BYTES_BIG_ENDIAN ? VEC_WIDEN_MULT_LO_EXPR + : VEC_WIDEN_MULT_HI_EXPR, + wider_type, cur_op, mulcst); } - mhi = gimplify_build1 (gsi, VIEW_CONVERT_EXPR, type, mhi); - mlo = gimplify_build1 (gsi, VIEW_CONVERT_EXPR, type, mlo); - if (BYTES_BIG_ENDIAN) - cur_op = gimplify_build3 (gsi, VEC_PERM_EXPR, type, mhi, mlo, - perm_mask); - else - cur_op = gimplify_build3 (gsi, VEC_PERM_EXPR, type, mlo, mhi, - perm_mask); + m1 = gimplify_build1 (gsi, VIEW_CONVERT_EXPR, type, m1); + m2 = gimplify_build1 (gsi, VIEW_CONVERT_EXPR, type, m2); + cur_op = gimplify_build3 (gsi, VEC_PERM_EXPR, type, m1, m2, perm_mask); } switch (mode) |