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| author | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 1998-02-05 20:49:54 +0000 |
|---|---|---|
| committer | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 1998-02-05 20:49:54 +0000 |
| commit | 1befb6647d39feb59cc296e5091187b7f7442b48 (patch) | |
| tree | ffb329918bec313fd2e4055bc4b596f65ffa05e5 /gcc/integrate.c | |
| parent | 9b10fda15276f5f5dad5473370e48129c33b35b5 (diff) | |
| download | gcc-1befb6647d39feb59cc296e5091187b7f7442b48.tar.gz | |
* integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
when -Os is specified.
* toplev.c (main): Don't disable flag_inline_functions anymore when
-Os is in effect.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@17671 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/integrate.c')
| -rw-r--r-- | gcc/integrate.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/integrate.c b/gcc/integrate.c index 28731c0060d..ec1f8b81a3a 100644 --- a/gcc/integrate.c +++ b/gcc/integrate.c @@ -52,8 +52,12 @@ extern tree poplevel (); /* Default max number of insns a function can have and still be inline. This is overridden on RISC machines. */ #ifndef INTEGRATE_THRESHOLD +/* Inlining small functions might save more space then not inlining at + all. Assume 1 instruction for the call and 1.5 insns per argument. */ #define INTEGRATE_THRESHOLD(DECL) \ - (8 * (8 + list_length (DECL_ARGUMENTS (DECL)))) + (optimize_size \ + ? (1 + (3 * list_length (DECL_ARGUMENTS (DECL)) / 2)) \ + : (8 * (8 + list_length (DECL_ARGUMENTS (DECL))))) #endif static rtx initialize_for_inline PROTO((tree, int, int, int, int)); |