diff options
| author | Ralph Holmes <ralph@ybden.com> | 2016-01-23 18:26:15 +0000 |
|---|---|---|
| committer | Joel Sherrill <joel@rtems.org> | 2016-01-23 13:25:36 -0600 |
| commit | cc309001e55634f20e6cd7e3411f216f36711769 (patch) | |
| tree | 01636983e6a22f698757afd674722339e08f556b | |
| parent | powerpc/mvme3100: Add per-section compilation and linking support. (diff) | |
| download | rtems-cc309001e55634f20e6cd7e3411f216f36711769.tar.bz2 | |
powerpc/mvme5500: Add per-section compilation and linking support.
The size of the sample executables without this option were:
text data bss dec hex filename
193649 21100 15365 230114 382e2 base_sp.exe
181425 19928 15325 216678 34e66 hello.exe
174257 19452 12097 205806 323ee minimum.exe
613505 89234 27649 730388 b2514 fileio.exe
216977 22848 15469 255294 3e53e nsecs.exe
226897 33644 16033 276574 4385e paranoia.exe
196849 21268 15397 233514 3902a ticker.exe
196401 22044 19173 237618 3a032 unlimited.exe
947265 209858 23001 1180124 1201dc cxx_iostream.exe
284753 39784 16037 340574 5325e cdtest.exe
263073 31692 17189 311954 4c292 capture.exe
The size of the sample executables with this option enabled were:
text data bss dec hex filename
168257 17808 15281 201346 31282 base_sp.exe
154113 16692 15201 186006 2d696 hello.exe
124545 14548 11713 150806 24d16 minimum.exe
578049 83946 27273 689268 a8474 fileio.exe
192337 19556 15385 227278 377ce nsecs.exe
201249 30328 15913 247490 3c6c2 paranoia.exe
171681 17976 15313 204970 320aa ticker.exe
169441 18732 19049 207222 32976 unlimited.exe
604757 47466 22093 674316 a4a0c cxx_iostream.exe
260569 27820 15921 304310 4a4b6 cdtest.exe
237217 28200 17105 282522 44f9a capture.exe
| -rw-r--r-- | c/src/lib/libbsp/powerpc/mvme5500/make/custom/mvme5500.cfg | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/powerpc/mvme5500/make/custom/mvme5500.cfg b/c/src/lib/libbsp/powerpc/mvme5500/make/custom/mvme5500.cfg index 4c59a07f61..145b43b5fb 100644 --- a/c/src/lib/libbsp/powerpc/mvme5500/make/custom/mvme5500.cfg +++ b/c/src/lib/libbsp/powerpc/mvme5500/make/custom/mvme5500.cfg @@ -16,6 +16,9 @@ CPU_CFLAGS = -mcpu=7450 -mtune=7450 -Dmpc7455 # optimize flag: typically -O2 CFLAGS_OPTIMIZE_V = -O2 -g +CFLAGS_OPTIMIZE_V += -ffunction-sections -fdata-sections + +LDFLAGS = -Wl,--gc-sections define bsp-post-link $(default-bsp-post-link) |