CH32V003勾选Link-time optimizer后可以初始化，但是跑不了程序了，该如何解决？

您好，开启LTO选项之后，为了减少代码，编译器会在链接阶段对整个程序而不是单独文件来优化，包含提取内联消除冗余等等，可能会在执行时间和顺序上与原来有区别，导致在您的硬件上运行不正常。代码尺寸没有绝对要求的话可以不用开启此选项。

感觉差不多

Building target: ch32v003.elf
Invoking: GNU RISC-V Cross C Linker
riscv-none-embed-gcc -msmall-data-limit=0 -msave-restore -march=rv32ec -mabi=ilp32e -O1 -fmessage-length=0 -fsigned-char -ffunction-sections -fdata-sections -flto -T "/home/alanfans/Desktop/elink/STM32/eclipse-workspaces/ch32v003/startup/Link.ld" -nostartfiles -Xlinker --gc-sections -Wl,-Map,"ch32v003.map" --specs=nano.specs --specs=nosys.specs -o "ch32v003.elf" ./system/src/Peripheral/ch32v00x_adc.o ./system/src/Peripheral/ch32v00x_dbgmcu.o ./system/src/Peripheral/ch32v00x_dma.o ./system/src/Peripheral/ch32v00x_exti.o ./system/src/Peripheral/ch32v00x_flash.o ./system/src/Peripheral/ch32v00x_gpio.o ./system/src/Peripheral/ch32v00x_i2c.o ./system/src/Peripheral/ch32v00x_iwdg.o ./system/src/Peripheral/ch32v00x_misc.o ./system/src/Peripheral/ch32v00x_opa.o ./system/src/Peripheral/ch32v00x_pwr.o ./system/src/Peripheral/ch32v00x_rcc.o ./system/src/Peripheral/ch32v00x_spi.o ./system/src/Peripheral/ch32v00x_tim.o ./system/src/Peripheral/ch32v00x_usart.o ./system/src/Peripheral/ch32v00x_wwdg.o  ./system/src/Core/core_riscv.o  ./startup/startup_ch32v00x.o  ./src/ch32v00x_it.o ./src/debug.o ./src/ds18b20.o ./src/main.o ./src/system_ch32v00x.o   
Finished building target: ch32v003.elf
 
Invoking: GNU RISC-V Cross Create Flash Image
riscv-none-embed-objcopy -O ihex "ch32v003.elf"  "ch32v003.hex"
Invoking: GNU RISC-V Cross Print Size
riscv-none-embed-size --format=berkeley "ch32v003.elf"
   text	   data	    bss	    dec	    hex	filename
   7444	    168	    536	   8148	   1fd4	ch32v003.elf
Finished building: ch32v003.siz
Finished building: ch32v003.hex

我用的gcc+eclipse