diff options
Diffstat (limited to 'gcc/builtins.c')
| -rw-r--r-- | gcc/builtins.c | 31 |
1 files changed, 12 insertions, 19 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c index 9d27243..f1fa123 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -7242,7 +7242,7 @@ static tree fold_builtin_cos (tree arglist, tree type, tree fndecl) { tree arg = TREE_VALUE (arglist); - tree res; + tree res, narg; if (!validate_arglist (arglist, REAL_TYPE, VOID_TYPE)) return NULL_TREE; @@ -7252,12 +7252,9 @@ fold_builtin_cos (tree arglist, tree type, tree fndecl) return res; /* Optimize cos(-x) into cos (x). */ - if (TREE_CODE (arg) == NEGATE_EXPR) - { - tree args = build_tree_list (NULL_TREE, - TREE_OPERAND (arg, 0)); - return build_function_call_expr (fndecl, args); - } + if ((narg = fold_strip_sign_ops (arg))) + return build_function_call_expr (fndecl, + build_tree_list (NULL_TREE, narg)); return NULL_TREE; } @@ -7765,7 +7762,7 @@ fold_builtin_hypot (tree fndecl, tree arglist, tree type) { tree arg0 = TREE_VALUE (arglist); tree arg1 = TREE_VALUE (TREE_CHAIN (arglist)); - tree res; + tree res, narg0, narg1; if (!validate_arglist (arglist, REAL_TYPE, REAL_TYPE, VOID_TYPE)) return NULL_TREE; @@ -7776,17 +7773,13 @@ fold_builtin_hypot (tree fndecl, tree arglist, tree type) /* If either argument to hypot has a negate or abs, strip that off. E.g. hypot(-x,fabs(y)) -> hypot(x,y). */ - if (TREE_CODE (arg0) == NEGATE_EXPR || TREE_CODE (arg1) == NEGATE_EXPR - || TREE_CODE (arg0) == ABS_EXPR || TREE_CODE (arg1) == ABS_EXPR) - { - tree narg0 = (TREE_CODE (arg0) == NEGATE_EXPR - || TREE_CODE (arg0) == ABS_EXPR) - ? TREE_OPERAND (arg0, 0) : arg0; - tree narg1 = (TREE_CODE (arg1) == NEGATE_EXPR - || TREE_CODE (arg1) == ABS_EXPR) - ? TREE_OPERAND (arg1, 0) : arg1; - tree narglist = tree_cons (NULL_TREE, narg0, - build_tree_list (NULL_TREE, narg1)); + narg0 = fold_strip_sign_ops (arg0); + narg1 = fold_strip_sign_ops (arg1); + if (narg0 || narg1) + { + tree narglist = tree_cons (NULL_TREE, narg0 ? narg0 : arg0, + build_tree_list (NULL_TREE, + narg1 ? narg1 : arg1)); return build_function_call_expr (fndecl, narglist); } |