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-rw-r--r--mk/toolchain.mk2
1 files changed, 1 insertions, 1 deletions
diff --git a/mk/toolchain.mk b/mk/toolchain.mk
index 0a8e5f1..f299bac 100644
--- a/mk/toolchain.mk
+++ b/mk/toolchain.mk
@@ -61,7 +61,7 @@ __kconfig-cflags := $(strip $(CONFIG_EMBTK_TARGET_COMPILER_CFLAGS))
__TARGET_CFLAGS := $(subst ",,$(__kconfig-cflags))
__TARGET_CFLAGS += $(if $(CONFIG_EMBTK_TARGET_NONE_OPTIMIZED),-O0)
__TARGET_CFLAGS += $(if $(CONFIG_EMBTK_TARGET_SIZE_OPTIMIZED),-Os)
-__TARGET_CFLAGS += $(if $(CONFIG_EMBTK_TARGET_SPEED_OPTIMIZED),-O3)
+__TARGET_CFLAGS += $(if $(CONFIG_EMBTK_TARGET_SPEED_OPTIMIZED),-O2)
__TARGET_CFLAGS += $(if $(CONFIG_EMBTK_TARGET_WITH_DEBUG_DATA),-g)
# cflags for clang