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| author | Eric Botcazou <ebotcazou@adacore.com> | 2011-03-24 16:15:22 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2011-03-24 16:15:22 +0000 |
| commit | fe784e0dd88303485bcbe0c3f211fd1a61c58ef8 (patch) | |
| tree | 18d2c0f369112d771f572e44ac8bc4f35041a55c /gcc/fold-const.c | |
| parent | e3c4580e400367dfceec3e4c0539b43fcb4ed340 (diff) | |
| download | gcc-fe784e0dd88303485bcbe0c3f211fd1a61c58ef8.zip gcc-fe784e0dd88303485bcbe0c3f211fd1a61c58ef8.tar.gz gcc-fe784e0dd88303485bcbe0c3f211fd1a61c58ef8.tar.bz2 | |
fold-const.c (fold_ternary_loc): Preserve the location (if any) of the argument in calls to fold_truth_not_expr.
* fold-const.c (fold_ternary_loc): Preserve the location (if any) of
the argument in calls to fold_truth_not_expr.
From-SVN: r171403
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 9baa9eb..32b7a27 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -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), |