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-rw-r--r--make/custom/gen405.cfg3
1 files changed, 1 insertions, 2 deletions
diff --git a/make/custom/gen405.cfg b/make/custom/gen405.cfg
index 311d5180a8..ec6e3a0293 100644
--- a/make/custom/gen405.cfg
+++ b/make/custom/gen405.cfg
@@ -24,8 +24,7 @@ RTEMS_BSP_FAMILY=gen405
#
CPU_CFLAGS = -mcpu=403 -D_OLD_EXCEPTIONS -Dppc405
-# optimize flag: typically -0, could use -O4 or -fast
-# -O4 is ok for RTEMS
+# optimize flag: typically -O2
# NOTE: some level of -O may be actually required by inline assembler
CFLAGS_OPTIMIZE_V=-O4 -fno-keep-inline-functions -g