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Diffstat (limited to 'core/cortex-m0/build.mk')
| -rw-r--r-- | core/cortex-m0/build.mk | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/core/cortex-m0/build.mk b/core/cortex-m0/build.mk index 44093b93ff..40764f53c6 100644 --- a/core/cortex-m0/build.mk +++ b/core/cortex-m0/build.mk @@ -12,8 +12,11 @@ $(call set-option,CROSS_COMPILE,\ /opt/coreboot-sdk/bin/arm-eabi-) # CPU specific compilation flags -CFLAGS_CPU+=-mthumb -Os -ifneq ($(cc-name),clang) +CFLAGS_CPU+=-mthumb +ifeq ($(cc-name),clang) +CFLAGS_CPU+=-Oz # Like -Os (and thus -O2), but reduces code size further. +else +CFLAGS_CPU+=-Os CFLAGS_CPU+=-mno-sched-prolog endif CFLAGS_CPU+=-mno-unaligned-access |