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re PR tree-optimization/72866 (Compile time hog w/ -O3 (-Ofast)) 

PR tree-optimization/72866
	* tree-vect-patterns.c (search_type_for_mask): Turn into
	a small wrapper, move all code to ...
	(search_type_for_mask_1): ... this new function.  Add caching
	and adjust recursive calls.

	* gcc.dg/vect/pr72866.c: New test.

From-SVN: r239856
This commit is contained in:
Jakub Jelinek 2016-08-30 08:54:02 +02:00 committed by Jakub Jelinek
parent 3754bbfc36
commit 5116b156b7
4 changed files with 62 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
gcc/ChangeLog
View File

@ -1,5 +1,11 @@
2016-08-30 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/72866
* tree-vect-patterns.c (search_type_for_mask): Turn into
a small wrapper, move all code to ...
(search_type_for_mask_1): ... this new function. Add caching
and adjust recursive calls.
PR debug/77363
* dwarf2out.c (modified_type_die): Use lookup_type_die (type)
instead of lookup_type_die (type_main_variant (type)) even for array

3
gcc/testsuite/ChangeLog
View File

@ -1,5 +1,8 @@
2016-08-30 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/72866
* gcc.dg/vect/pr72866.c: New test.
PR debug/77363
* g++.dg/debug/dwarf2/pr77363.C: New test.

19
gcc/testsuite/gcc.dg/vect/pr72866.c Normal file
View File

@ -0,0 +1,19 @@
/* PR tree-optimization/72866 */
/* { dg-do compile } */
unsigned int dl;
int rx, lb;
void
fo (int jv, int be)
{
const unsigned int xw = 16;
unsigned int ya, wo;
for (ya = 0; ya < 2; ++ya)
for (wo = 0; wo < xw; ++wo)
{
dl += (jv ? be : rx);
rx += ((lb == 0) + 1);
}
}

46
gcc/tree-vect-patterns.c
View File

@ -3459,13 +3459,11 @@ adjust_bool_stmts (hash_set <gimple *> &bool_stmt_set,
return gimple_assign_lhs (pattern_stmt);
}
/* Return the proper type for converting bool VAR into
an integer value or NULL_TREE if no such type exists.
The type is chosen so that converted value has the
same number of elements as VAR's vector type. */
/* Helper for search_type_for_mask. */
static tree
search_type_for_mask (tree var, vec_info *vinfo)
search_type_for_mask_1 (tree var, vec_info *vinfo,
hash_map<gimple *, tree> &cache)
{
gimple *def_stmt;
enum vect_def_type dt;
@ -3490,6 +3488,10 @@ search_type_for_mask (tree var, vec_info *vinfo)
if (!is_gimple_assign (def_stmt))
return NULL_TREE;
tree *c = cache.get (def_stmt);
if (c)
return *c;
rhs_code = gimple_assign_rhs_code (def_stmt);
rhs1 = gimple_assign_rhs1 (def_stmt);
@ -3498,14 +3500,15 @@ search_type_for_mask (tree var, vec_info *vinfo)
case SSA_NAME:
case BIT_NOT_EXPR:
CASE_CONVERT:
res = search_type_for_mask (rhs1, vinfo);
res = search_type_for_mask_1 (rhs1, vinfo, cache);
break;
case BIT_AND_EXPR:
case BIT_IOR_EXPR:
case BIT_XOR_EXPR:
res = search_type_for_mask (rhs1, vinfo);
res2 = search_type_for_mask (gimple_assign_rhs2 (def_stmt), vinfo);
res = search_type_for_mask_1 (rhs1, vinfo, cache);
res2 = search_type_for_mask_1 (gimple_assign_rhs2 (def_stmt), vinfo,
cache);
if (!res || (res2 && TYPE_PRECISION (res) > TYPE_PRECISION (res2)))
res = res2;
break;
@ -3517,8 +3520,9 @@ search_type_for_mask (tree var, vec_info *vinfo)
if (TREE_CODE (TREE_TYPE (rhs1)) == BOOLEAN_TYPE)
{
res = search_type_for_mask (rhs1, vinfo);
res2 = search_type_for_mask (gimple_assign_rhs2 (def_stmt), vinfo);
res = search_type_for_mask_1 (rhs1, vinfo, cache);
res2 = search_type_for_mask_1 (gimple_assign_rhs2 (def_stmt),
vinfo, cache);
if (!res || (res2 && TYPE_PRECISION (res) > TYPE_PRECISION (res2)))
res = res2;
break;
@ -3526,12 +3530,18 @@ search_type_for_mask (tree var, vec_info *vinfo)
comp_vectype = get_vectype_for_scalar_type (TREE_TYPE (rhs1));
if (comp_vectype == NULL_TREE)
return NULL_TREE;
{
res = NULL_TREE;
break;
}
mask_type = get_mask_type_for_scalar_type (TREE_TYPE (rhs1));
if (!mask_type
|| !expand_vec_cmp_expr_p (comp_vectype, mask_type))
return NULL_TREE;
{
res = NULL_TREE;
break;
}
if (TREE_CODE (TREE_TYPE (rhs1)) != INTEGER_TYPE
|| !TYPE_UNSIGNED (TREE_TYPE (rhs1)))
@ -3544,9 +3554,21 @@ search_type_for_mask (tree var, vec_info *vinfo)
}
}
cache.put (def_stmt, res);
return res;
}
/* Return the proper type for converting bool VAR into
an integer value or NULL_TREE if no such type exists.
The type is chosen so that converted value has the
same number of elements as VAR's vector type. */
static tree
search_type_for_mask (tree var, vec_info *vinfo)
{
hash_map<gimple *, tree> cache;
return search_type_for_mask_1 (var, vinfo, cache);
}
/* Function vect_recog_bool_pattern