incubator-nuttx/boards/arm/imx6/sabre-6quad/scripts
chao an a2cd1b0db3 arm/armlink: add support of link time optimization(lto)
Optimization goal(Code size)

Smaller                           GCC(-Os) GCC(-flto -Os) CLANG(-flto -Oz) ARMCLANG(-flto -Oz/-Omin)
lm3s6965-ek/qemu-flat(Cortex-M3)   208662      193893           199525             195464
                                               -7.07%           -4.37%             -6.32%
sabre-6quad/smp(Cortex-A9)         131360      122500            N/A               123988
                                               -6.74%            N/A               -5.61%

Faster performance                GCC(-O3) GCC(-flto -O3) CLANG(-flto -Ofast) ARMCLANG(-flto -Ofast) ARMCLANG(-flto -Omax)
lm3s6965-ek/qemu-flat(Cortex-M3)   257502      296364           369465             346696                  384204
                                              +15.00%          +43.40%            +34.60%                 +49.20%
sabre-6quad/smp(Cortex-A9)         166520      196004             N/A              207908                  224140
                                              +17.70%             N/A             +24.85%                 +34.60%

Reference:
https://developer.arm.com/documentation/101754/0618/armclang-Reference/armclang-Command-line-Options/-O--armclang-

Signed-off-by: chao an <anchao@xiaomi.com>
2022-09-26 18:23:27 +08:00
..
Make.defs boards/arm/ac6: add scatter linker script for sabre-6quad/lm3s6965-ek 2022-09-18 00:08:42 +08:00
dramboot.ld boards: sabre-6quad: Fix dramboot.ld for libcxx 2022-05-02 10:24:16 +03:00
dramboot.sct arm/armlink: add support of link time optimization(lto) 2022-09-26 18:23:27 +08:00