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gimple-walk.c #include TLC 

Also look at return values of parse_input_constraint and
parse_output_constraint.

From-SVN: r222569
This commit is contained in:
Bernhard Reutner-Fischer 2015-04-29 12:45:31 +02:00
parent ee9da432b6
commit 917c68f565
2 changed files with 25 additions and 18 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2015-04-29 Bernhard Reuther-Fischer <aldot@gcc.gnu.org>
* gimple-walk.c: Prune duplicate or unneeded includes.
(walk_gimple_asm): Only call parse_input_constraint or
parse_output_constraint if their findings are used.
Honour parse_input_constraint and parse_output_constraint
result.
2015-04-29 Alan Lawrence <alan.lawrence@arm.com>
* config/arm/neon.md (vec_shl<mode>, vec_shr<mode>): Remove.

35
gcc/gimple-walk.c
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@ -24,31 +24,25 @@ along with GCC; see the file COPYING3. If not see
#include "coretypes.h"
#include "tm.h"
#include "hash-set.h"
#include "machmode.h"
#include "vec.h"
#include "double-int.h"
#include "input.h"
#include "alias.h"
#include "symtab.h"
#include "wide-int.h"
#include "inchash.h"
#include "tree.h"
#include "fold-const.h"
#include "stmt.h"
#include "predict.h"
#include "hard-reg-set.h"
#include "input.h"
#include "function.h"
#include "basic-block.h"
#include "tree-ssa-alias.h"
#include "internal-fn.h"
#include "gimple-expr.h"
#include "is-a.h"
#include "tree-ssa-alias.h"
#include "basic-block.h"
#include "fold-const.h"
#include "gimple.h"
#include "gimple-iterator.h"
#include "gimple-walk.h"
#include "gimple-walk.h"
#include "demangle.h"
#include "stmt.h"
/* Walk all the statements in the sequence *PSEQ calling walk_gimple_stmt
on each one. WI is as in walk_gimple_stmt.
@ -129,10 +123,12 @@ walk_gimple_asm (gasm *stmt, walk_tree_fn callback_op,
op = gimple_asm_output_op (stmt, i);
constraint = TREE_STRING_POINTER (TREE_VALUE (TREE_PURPOSE (op)));
oconstraints[i] = constraint;
parse_output_constraint (&constraint, i, 0, 0, &allows_mem, &allows_reg,
&is_inout);
if (wi)
wi->val_only = (allows_reg || !allows_mem);
{
if (parse_output_constraint (&constraint, i, 0, 0, &allows_mem,
&allows_reg, &is_inout))
wi->val_only = (allows_reg || !allows_mem);
}
ret = walk_tree (&TREE_VALUE (op), callback_op, wi, NULL);
if (ret)
return ret;
@ -143,13 +139,16 @@ walk_gimple_asm (gasm *stmt, walk_tree_fn callback_op,
{
op = gimple_asm_input_op (stmt, i);
constraint = TREE_STRING_POINTER (TREE_VALUE (TREE_PURPOSE (op)));
parse_input_constraint (&constraint, 0, 0, noutputs, 0,
oconstraints, &allows_mem, &allows_reg);
if (wi)
{
wi->val_only = (allows_reg || !allows_mem);
/* Although input "m" is not really a LHS, we need a lvalue. */
wi->is_lhs = !wi->val_only;
if (parse_input_constraint (&constraint, 0, 0, noutputs, 0,
oconstraints, &allows_mem, &allows_reg))
{
wi->val_only = (allows_reg || !allows_mem);
/* Although input "m" is not really a LHS, we need a lvalue. */
wi->is_lhs = !wi->val_only;
}
}
ret = walk_tree (&TREE_VALUE (op), callback_op, wi, NULL);
if (ret)