[Code] Adding LTO to dsp lib's CFLAGS

fpoussin · Oct 24, 2014 · 9d313df · 9d313df
1 parent 0f1c2f6
commit 9d313df
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Showing 3 changed files with 2 additions and 2 deletions.
diff --git a/code/app/dsp_lib/Makefile b/code/app/dsp_lib/Makefile
@@ -21,7 +21,7 @@ RM := rm -f
 C_OBJ  := $(DSPSRC:%=%.o)
 ASM_OBJ  := $(DSPASM:%=%.o)
 
-CFLAGS := -mcpu=cortex-m4 -Os -ggdb -fomit-frame-pointer -falign-functions=16 -Iinc -mfloat-abi=hard -mfpu=fpv4-sp-d16 -fsingle-precision-constant -ffunction-sections -fdata-sections -fno-common  -Wall -Wextra -Wstrict-prototypes  -DCORTEX_USE_FPU=TRUE -DARM_MATH_CM4 -D__FPU_PRESENT -DTHUMB_PRESENT -mno-thumb-interwork -DTHUMB_NO_INTERWORKING -mthumb -DTHUMB
+CFLAGS := -mcpu=cortex-m4 -Os -ggdb -fomit-frame-pointer -falign-functions=16 -Iinc -mfloat-abi=hard -mfpu=fpv4-sp-d16 -fsingle-precision-constant -ffunction-sections -fdata-sections -fno-common  -Wall -Wextra -Wstrict-prototypes  -DCORTEX_USE_FPU=TRUE -DARM_MATH_CM4 -D__FPU_PRESENT -DTHUMB_PRESENT -mno-thumb-interwork -DTHUMB_NO_INTERWORKING -mthumb -DTHUMB -flto
 
 default: all
 all: libmath_cm4f.a

diff --git a/code/app/dsp_lib/libmath_cm4f.a b/code/app/dsp_lib/libmath_cm4f.a
diff --git a/code/bootloader/main.c b/code/bootloader/main.c
@@ -186,7 +186,7 @@ int main(void) {
    * Given the 25<->55k pullup, 100nf cap, 0.8v threshold voltage
    * it takes 0.7ms<->1.5ms to reach the High level voltage */
   uint32_t i = 0;
-  while (i++ < 100000) // 1.4ms * 3
+  while (i++ < 10000) // 1.4ms * 3
   {
     asm ("nop");
   }