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| author | Mark Wielaard <mjw@redhat.com> | 2009-07-11 19:59:42 +0200 |
|---|---|---|
| committer | Mark Wielaard <mjw@redhat.com> | 2009-07-11 19:59:42 +0200 |
| commit | 5a5732e52738b4f00995e705a170230c106885b6 (patch) | |
| tree | a694f978686400505c10df4f8020027a25218db1 /buildrun.cxx | |
| parent | 4eb0c58b7d5c97a822e76c9070bc45e9b09a7c9e (diff) | |
| download | systemtap-steved-5a5732e52738b4f00995e705a170230c106885b6.tar.gz systemtap-steved-5a5732e52738b4f00995e705a170230c106885b6.tar.xz systemtap-steved-5a5732e52738b4f00995e705a170230c106885b6.zip | |
Add -O[0123s] gcc optimization flags for gcc pass 4 speedup.
* session.h (struct systemtap_session): Add gcc_flags string field.
* main.cxx (usage): Document -O[0123s].
(main): Default gcc_flags to -O0. Add O:: to getopt_long. Handle case
'O' to set gcc_flags.
* buildrun.cxx (compile_pass): Add gcc_flags to EXTRA_CFLAGS.
* stap1.in: Add -O[0123s] documentation.
* testsuite/systemtap.base/cache.exp: Add tests for -O[0123s].
Diffstat (limited to 'buildrun.cxx')
| -rw-r--r-- | buildrun.cxx | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/buildrun.cxx b/buildrun.cxx index ccf1ca15..b54a0534 100644 --- a/buildrun.cxx +++ b/buildrun.cxx @@ -187,7 +187,7 @@ compile_pass (systemtap_session& s) // if (s.keep_tmpdir) // o << "CFLAGS += -fverbose-asm -save-temps" << endl; - o << "EXTRA_CFLAGS += -freorder-blocks" << endl; // improve on -Os + o << "EXTRA_CFLAGS += " << s.gcc_flags << endl; // Add -O[0123s] // o << "CFLAGS += -fno-unit-at-a-time" << endl; |