updates #2577. For the niagara BSP variant without this option sample executables sizes were as follows:
text data bss dec hex filename 143616 2704 2113472 2259792 227b50 ticker.exe 71872 1720 2105312 2178904 213f58 minimum.exe 983600 3128 2126160 3112888 2f7fb8 cxx_iostream.exe 648448 8864 2129200 2786512 2a84d0 fileio.exe 548976 21520 2147872 2718368 297aa0 pppd.exe 253344 3872 2117440 2374656 243c00 capture.exe 161520 2840 2113616 2277976 22c258 nsecs.exe 215568 3344 2114112 2333024 239960 paranoia.exe 261744 2728 2115328 2379800 245018 cdtest.exe 139648 2704 2113440 2255792 226bb0 base_sp.exe 142416 2712 2117216 2262344 228548 unlimited.exe 150464 2648 2113424 2266536 2295a8 hello.exe 343504 10704 2126400 2480608 25d9e0 loopback.exe For the niagara BSP variant with this option sample executables sizes were as follows: text data bss dec hex filename 133408 2624 2113184 2249216 225200 ticker.exe 57152 320 2100928 2158400 20ef40 minimum.exe 590160 3024 2120400 2713584 2967f0 cxx_iostream.exe 623568 8784 2128640 2760992 2a2120 fileio.exe 503616 21256 2146816 2671688 28c448 pppd.exe 239152 3752 2117152 2360056 2402f8 capture.exe 152128 2760 2113312 2268200 229c28 nsecs.exe 203808 3256 2113808 2320872 2369e8 paranoia.exe 244128 2656 2115040 2361824 2409e0 cdtest.exe 128672 2616 2113152 2244440 223f58 base_sp.exe 129408 2608 2112816 2244832 2240e0 unlimited.exe 137040 2528 2109040 2248608 224fa0 hello.exe 314256 10520 2126016 2450792 256568 loopback.exe --- c/src/lib/libbsp/sparc64/niagara/make/custom/niagara.cfg | 3 +++ 1 file changed, 3 insertions(+) diff --git a/c/src/lib/libbsp/sparc64/niagara/make/custom/niagara.cfg b/c/src/lib/libbsp/sparc64/niagara/make/custom/niagara.cfg index 187e1fa..1178993 100644 --- a/c/src/lib/libbsp/sparc64/niagara/make/custom/niagara.cfg +++ b/c/src/lib/libbsp/sparc64/niagara/make/custom/niagara.cfg @@ -15,3 +15,6 @@ CPU_CFLAGS = -mcpu=niagara -DSUN4V # optimize flag: typically -g -O2 CFLAGS_OPTIMIZE_V = -g -O2 +CFLAGS_OPTIMIZE_V += -ffunction-sections -fdata-sections + +LDFLAGS = -Wl,--gc-sections -- 1.8.3.1 _______________________________________________ devel mailing list devel@rtems.org http://lists.rtems.org/mailman/listinfo/devel
