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| author | Roger Sayle <roger@eyesopen.com> | 2004-07-11 18:14:48 +0000 |
|---|---|---|
| committer | Roger Sayle <sayle@gcc.gnu.org> | 2004-07-11 18:14:48 +0000 |
| commit | 9675412fd923871ec44eb30d70d3ef0f9d7811b6 (patch) | |
| tree | 8ae61f65db968c0c276e91209918fc11f50b63e4 /gcc/builtins.c | |
| parent | fa27426eb1377c2a9e23f58424b4da5497e78c8d (diff) | |
| download | gcc-9675412fd923871ec44eb30d70d3ef0f9d7811b6.zip gcc-9675412fd923871ec44eb30d70d3ef0f9d7811b6.tar.gz gcc-9675412fd923871ec44eb30d70d3ef0f9d7811b6.tar.bz2 | |
builtins.c (fold_builtin_fputs): Don't bother converting the return type to integer_type_node...
* builtins.c (fold_builtin_fputs): Don't bother converting the
return type to integer_type_node, as we've already checked that
the result will be ignored.
* tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
that signed addition, subtraction, multiplication, division,
remainder, negation and absolute value may potentially trap.
* fold-const.c (fold_ignored_result): New function to strip
non-side-effecting tree nodes from an expression whose result
is ignored.
(fold_convert): Call fold_ignored_result when casting a value
to VOID_TYPE.
(omit_one_operand): Call fold_ignored_result on the "omitted"
operand when building a COMPOUND_EXPR.
(pedantic_omit_one_operand): Likewise.
* tree.h (fold_ignored_result): Prototype here.
* tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
when we're going to ignore the result.
From-SVN: r84525
Diffstat (limited to 'gcc/builtins.c')
| -rw-r--r-- | gcc/builtins.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c index 02fdc92..5b2a63f 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -9474,8 +9474,9 @@ fold_builtin_fputs (tree arglist, bool ignore, bool unlocked, tree len) abort (); } - return fold_convert (integer_type_node, - build_function_call_expr (fn, arglist)); + /* These optimizations are only performed when the result is ignored, + hence there's no need to cast the result to integer_type_node. */ + return build_function_call_expr (fn, arglist); } static void |