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authorIan Lance Taylor <iant@golang.org>2020-11-10 07:26:18 -0800
committerIan Lance Taylor <iant@golang.org>2020-11-10 07:26:18 -0800
commit8d703821c69062c0cd255787d793e44f1a95d463 (patch)
tree6b1df9cdc36cc47b6164db69a14bc86a63dc77c6 /gcc/expr.c
parent9cd320ea6572c577cdf17ce1f9ea5230b166af6d (diff)
parentcf392dbdf17e38026f8e3c0e9af7f5b87f63be56 (diff)
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Merge from trunk revision cf392dbdf17e38026f8e3c0e9af7f5b87f63be56.
Diffstat (limited to 'gcc/expr.c')
-rw-r--r--gcc/expr.c41
1 files changed, 6 insertions, 35 deletions
diff --git a/gcc/expr.c b/gcc/expr.c
index 1c79518..ae16f07 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -96,7 +96,6 @@ static void emit_single_push_insn (machine_mode, rtx, tree);
static void do_tablejump (rtx, machine_mode, rtx, rtx, rtx,
profile_probability);
static rtx const_vector_from_tree (tree);
-static rtx const_scalar_mask_from_tree (scalar_int_mode, tree);
static tree tree_expr_size (const_tree);
static HOST_WIDE_INT int_expr_size (tree);
static void convert_mode_scalar (rtx, rtx, int);
@@ -5168,6 +5167,8 @@ expand_assignment (tree to, tree from, bool nontemporal)
rtx reg, mem;
reg = expand_expr (from, NULL_RTX, VOIDmode, EXPAND_NORMAL);
+ /* Handle PARALLEL. */
+ reg = maybe_emit_group_store (reg, TREE_TYPE (from));
reg = force_not_mem (reg);
mem = expand_expr (to, NULL_RTX, VOIDmode, EXPAND_WRITE);
if (TREE_CODE (to) == MEM_REF && REF_REVERSE_STORAGE_ORDER (to))
@@ -10354,16 +10355,10 @@ expand_expr_real_1 (tree exp, rtx target, machine_mode tmode,
scalar_int_mode int_mode;
if (is_int_mode (mode, &int_mode))
{
- if (VECTOR_BOOLEAN_TYPE_P (TREE_TYPE (exp)))
- return const_scalar_mask_from_tree (int_mode, exp);
- else
- {
- tree type_for_mode
- = lang_hooks.types.type_for_mode (int_mode, 1);
- if (type_for_mode)
- tmp = fold_unary_loc (loc, VIEW_CONVERT_EXPR,
- type_for_mode, exp);
- }
+ tree type_for_mode = lang_hooks.types.type_for_mode (int_mode, 1);
+ if (type_for_mode)
+ tmp = fold_unary_loc (loc, VIEW_CONVERT_EXPR,
+ type_for_mode, exp);
}
if (!tmp)
{
@@ -12737,30 +12732,6 @@ const_vector_mask_from_tree (tree exp)
return builder.build ();
}
-/* EXP is a VECTOR_CST in which each element is either all-zeros or all-ones.
- Return a constant scalar rtx of mode MODE in which bit X is set if element
- X of EXP is nonzero. */
-static rtx
-const_scalar_mask_from_tree (scalar_int_mode mode, tree exp)
-{
- wide_int res = wi::zero (GET_MODE_PRECISION (mode));
- tree elt;
-
- /* The result has a fixed number of bits so the input must too. */
- unsigned int nunits = VECTOR_CST_NELTS (exp).to_constant ();
- for (unsigned int i = 0; i < nunits; ++i)
- {
- elt = VECTOR_CST_ELT (exp, i);
- gcc_assert (TREE_CODE (elt) == INTEGER_CST);
- if (integer_all_onesp (elt))
- res = wi::set_bit (res, i);
- else
- gcc_assert (integer_zerop (elt));
- }
-
- return immed_wide_int_const (res, mode);
-}
-
/* Return a CONST_VECTOR rtx for a VECTOR_CST tree. */
static rtx
const_vector_from_tree (tree exp)