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fold-const.c (fold_ternary_loc): Preserve the location (if any) of the argument in calls to fold_truth_not_expr.

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* fold-const.c (fold_ternary_loc): Preserve the location (if any) of
	the argument in calls to fold_truth_not_expr.

From-SVN: r171403
This commit is contained in:
Eric Botcazou 2011-03-24 16:15:22 +00:00 • committed by Eric Botcazou
parent e3c4580e40
commit fe784e0dd8
2 changed files with 21 additions and 4 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2011-03-24 Eric Botcazou <ebotcazou@adacore.com>
* fold-const.c (fold_ternary_loc): Preserve the location (if any) of
the argument in calls to fold_truth_not_expr.
2011-03-24 Nathan Froyd <froydnj@codesourcery.com>
* tree.c (record_node_allocation_statistics): New function.

20
gcc/fold-const.c
View file

@ -13327,7 +13327,10 @@ fold_ternary_loc (location_t loc, enum tree_code code, tree type,
TREE_OPERAND (arg0, 1))
&& !HONOR_SIGNED_ZEROS (TYPE_MODE (TREE_TYPE (op2))))
{
tem = fold_truth_not_expr (loc, arg0);
location_t loc0 = EXPR_LOCATION (arg0);
if (loc0 == UNKNOWN_LOCATION)
loc0 = loc;
tem = fold_truth_not_expr (loc0, arg0);
if (tem && COMPARISON_CLASS_P (tem))
{
tem = fold_cond_expr_with_comparison (loc, type, tem, op2, op1);
@ -13341,10 +13344,13 @@ fold_ternary_loc (location_t loc, enum tree_code code, tree type,
if (truth_value_p (TREE_CODE (arg0))
&& tree_swap_operands_p (op1, op2, false))
{
location_t loc0 = EXPR_LOCATION (arg0);
if (loc0 == UNKNOWN_LOCATION)
loc0 = loc;
/* See if this can be inverted. If it can't, possibly because
it was a floating-point inequality comparison, don't do
anything. */
tem = fold_truth_not_expr (loc, arg0);
tem = fold_truth_not_expr (loc0, arg0);
if (tem)
return fold_build3_loc (loc, code, type, tem, op2, op1);
}
@ -13489,8 +13495,11 @@ fold_ternary_loc (location_t loc, enum tree_code code, tree type,
&& truth_value_p (TREE_CODE (arg0))
&& truth_value_p (TREE_CODE (arg1)))
{
location_t loc0 = EXPR_LOCATION (arg0);
if (loc0 == UNKNOWN_LOCATION)
loc0 = loc;
/* Only perform transformation if ARG0 is easily inverted. */
tem = fold_truth_not_expr (loc, arg0);
tem = fold_truth_not_expr (loc0, arg0);
if (tem)
return fold_build2_loc (loc, TRUTH_ORIF_EXPR, type,
fold_convert_loc (loc, type, tem),
@ -13502,8 +13511,11 @@ fold_ternary_loc (location_t loc, enum tree_code code, tree type,
&& truth_value_p (TREE_CODE (arg0))
&& truth_value_p (TREE_CODE (op2)))
{
location_t loc0 = EXPR_LOCATION (arg0);
if (loc0 == UNKNOWN_LOCATION)
loc0 = loc;
/* Only perform transformation if ARG0 is easily inverted. */
tem = fold_truth_not_expr (loc, arg0);
tem = fold_truth_not_expr (loc0, arg0);
if (tem)
return fold_build2_loc (loc, TRUTH_ANDIF_EXPR, type,
fold_convert_loc (loc, type, tem),