2 Commits

Author	SHA1	Message	Date
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
chao an	0c4ca8dd21	boards/arm/ac6: add scatter linker script for sabre-6quad/lm3s6965-ek ... add armclang compiler(AC6) support for board sabre-6quad/lm3s6965-ek Verified config: 1. lm3s6965-ek:qemu-flat (Disable file apps) ./tools/configure.sh lm3s6965-ek:qemu-flat -CONFIG_BOARDCTL_APP_SYMTAB=y -CONFIG_ELF=y -CONFIG_EXAMPLES_ELF=y -CONFIG_EXAMPLES_ELF_DEVPATH="/dev/ram5" -CONFIG_EXAMPLES_HELLO=y -CONFIG_EXAMPLES_MODULE=y -CONFIG_EXAMPLES_MODULE_DEVPATH="/dev/ram6" -CONFIG_EXAMPLES_NETTEST=m -CONFIG_EXAMPLES_WGET=y -CONFIG_HOST_MACOS=y -CONFIG_LIBC_DLFCN=y -CONFIG_NSH_FILE_APPS=y 2. sabre-6quad/smp Signed-off-by: chao an <anchao@xiaomi.com>	2022-09-18 00:08:42 +08:00