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| author | Andreas Krebbel <Andreas.Krebbel@de.ibm.com> | 2014-05-05 07:55:26 +0000 |
|---|---|---|
| committer | Andreas Krebbel <krebbel@gcc.gnu.org> | 2014-05-05 07:55:26 +0000 |
| commit | d56a43a0e09598ec8e4e76817e5cd0f76e564962 (patch) | |
| tree | 17925abdca6968e0293ace7cac7077c037baa800 /gcc/final.c | |
| parent | f668cd6f2be34526a20dcedff00cac876c6760c6 (diff) | |
| download | gcc-d56a43a0e09598ec8e4e76817e5cd0f76e564962.zip gcc-d56a43a0e09598ec8e4e76817e5cd0f76e564962.tar.gz gcc-d56a43a0e09598ec8e4e76817e5cd0f76e564962.tar.bz2 | |
target.def: Add new target hook.
2014-05-05 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* target.def: Add new target hook.
* doc/tm.texi: Regenerate.
* targhooks.h (default_keep_leaf_when_profiled): Add prototype.
* targhooks.c (default_keep_leaf_when_profiled): New function.
* config/s390/s390.c (s390_keep_leaf_when_profiled): New function.
(TARGET_KEEP_LEAF_WHEN_PROFILED): Define.
2014-05-05 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* gcc.target/s390/leaf-profile.c: New testcase.
From-SVN: r210061
Diffstat (limited to 'gcc/final.c')
| -rw-r--r-- | gcc/final.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/final.c b/gcc/final.c index 8c6f6ee..cf649fb 100644 --- a/gcc/final.c +++ b/gcc/final.c @@ -4241,7 +4241,9 @@ leaf_function_p (void) { rtx insn; - if (crtl->profile || profile_arc_flag) + /* Some back-ends (e.g. s390) want leaf functions to stay leaf + functions even if they call mcount. */ + if (crtl->profile && !targetm.keep_leaf_when_profiled ()) return 0; for (insn = get_insns (); insn; insn = NEXT_INSN (insn)) |