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| author | Bernd Schmidt <bernds@redhat.co.uk> | 2000-11-01 17:02:45 +0000 |
|---|---|---|
| committer | Bernd Schmidt <bernds@gcc.gnu.org> | 2000-11-01 17:02:45 +0000 |
| commit | b0b3afb2f34492e2bf82b0bcad8d84d5c3a3a7f7 (patch) | |
| tree | 134205e79f38779f813ba6a5e2125ad69cafdd53 /gcc/fold-const.c | |
| parent | f92351d76e07aa24c84fb6f3ce6b7cd97592c9f5 (diff) | |
| download | gcc-b0b3afb2f34492e2bf82b0bcad8d84d5c3a3a7f7.zip gcc-b0b3afb2f34492e2bf82b0bcad8d84d5c3a3a7f7.tar.gz gcc-b0b3afb2f34492e2bf82b0bcad8d84d5c3a3a7f7.tar.bz2 | |
Constant folding for builtins
From-SVN: r37191
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index c5b29a4..25fd496 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -7168,6 +7168,19 @@ fold (expr) return t; } + case CALL_EXPR: + /* Check for a built-in function. */ + if (TREE_CODE (TREE_OPERAND (expr, 0)) == ADDR_EXPR + && (TREE_CODE (TREE_OPERAND (TREE_OPERAND (expr, 0), 0)) + == FUNCTION_DECL) + && DECL_BUILT_IN (TREE_OPERAND (TREE_OPERAND (expr, 0), 0))) + { + tree tmp = fold_builtin (expr); + if (tmp) + return tmp; + } + return t; + default: return t; } /* switch (code) */ |