nuttx

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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

a1x/pcduino-a10

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am335x/beaglebone-black

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c5471/c5471evm

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cxd56xx

arch: Change the linker generated symbols from uint32_t to uint8_t *

2022-09-24 21:26:56 +02:00

dm320/ntosd-dm320

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