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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
This commit is contained in:
Jakub Jelinek 2012-06-29 22:26:51 +02:00 committed by Jakub Jelinek
parent 0fcc85cd9e
commit 271be5165c
2 changed files with 24 additions and 21 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2012-06-29 Jakub Jelinek <jakub@redhat.com>
* tree-vect-generic.c (expand_vector_divmod): For even/odd
widening multiply, put even always as first argument to
VEC_PERM_EXPR.
2012-06-29 Richard Henderson <rth@redhat.com>
* tree-vect-generic.c: Include target.h.

39
gcc/tree-vect-generic.c
View File

@ -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)