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authorjakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>2015-12-09 13:42:06 +0000
committerjakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>2015-12-09 13:42:06 +0000
commitd73c12382b7b824fb494fd0d080c1658c220ffc7 (patch)
tree502f1c7099772546308e02600f4ab82c0d8b35ab /gcc/internal-fn.c
parentf67e390a20146c9efe2d951ee74ce26a0afb029c (diff)
downloadgcc-d73c12382b7b824fb494fd0d080c1658c220ffc7.tar.gz
PR tree-optimization/68786
* tree-if-conv.c: Include builtins.h. (predicate_mem_writes): Put result of get_object_alignment (ref) into second argument's value. * tree-vect-stmts.c (vectorizable_mask_load_store): Put minimum pointer alignment into second argument's value. * tree-data-ref.c (get_references_in_stmt): Use value of second argument for build_aligned_type, and only the type to build a zero second argument for MEM_REF. * internal-fn.c (expand_mask_load_optab_fn, expand_mask_store_optab_fn): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@231454 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/internal-fn.c')
-rw-r--r--gcc/internal-fn.c20
1 files changed, 14 insertions, 6 deletions
diff --git a/gcc/internal-fn.c b/gcc/internal-fn.c
index 2be2d8806f1..3ceaffe67ea 100644
--- a/gcc/internal-fn.c
+++ b/gcc/internal-fn.c
@@ -1911,16 +1911,20 @@ static void
expand_mask_load_optab_fn (internal_fn, gcall *stmt, convert_optab optab)
{
struct expand_operand ops[3];
- tree type, lhs, rhs, maskt;
+ tree type, lhs, rhs, maskt, ptr;
rtx mem, target, mask;
+ unsigned align;
maskt = gimple_call_arg (stmt, 2);
lhs = gimple_call_lhs (stmt);
if (lhs == NULL_TREE)
return;
type = TREE_TYPE (lhs);
- rhs = fold_build2 (MEM_REF, type, gimple_call_arg (stmt, 0),
- gimple_call_arg (stmt, 1));
+ ptr = build_int_cst (TREE_TYPE (gimple_call_arg (stmt, 1)), 0);
+ align = tree_to_shwi (gimple_call_arg (stmt, 1));
+ if (TYPE_ALIGN (type) != align)
+ type = build_aligned_type (type, align);
+ rhs = fold_build2 (MEM_REF, type, gimple_call_arg (stmt, 0), ptr);
mem = expand_expr (rhs, NULL_RTX, VOIDmode, EXPAND_WRITE);
gcc_assert (MEM_P (mem));
@@ -1940,14 +1944,18 @@ static void
expand_mask_store_optab_fn (internal_fn, gcall *stmt, convert_optab optab)
{
struct expand_operand ops[3];
- tree type, lhs, rhs, maskt;
+ tree type, lhs, rhs, maskt, ptr;
rtx mem, reg, mask;
+ unsigned align;
maskt = gimple_call_arg (stmt, 2);
rhs = gimple_call_arg (stmt, 3);
type = TREE_TYPE (rhs);
- lhs = fold_build2 (MEM_REF, type, gimple_call_arg (stmt, 0),
- gimple_call_arg (stmt, 1));
+ ptr = build_int_cst (TREE_TYPE (gimple_call_arg (stmt, 1)), 0);
+ align = tree_to_shwi (gimple_call_arg (stmt, 1));
+ if (TYPE_ALIGN (type) != align)
+ type = build_aligned_type (type, align);
+ lhs = fold_build2 (MEM_REF, type, gimple_call_arg (stmt, 0), ptr);
mem = expand_expr (lhs, NULL_RTX, VOIDmode, EXPAND_WRITE);
gcc_assert (MEM_P (mem));