Newer gcc's might be configured to enable autovectorization by default. If we happen to build with one of those compilers we will get SPE instructions in random code.

-mno-spe disables the compiler for automatically generating SPE instructions without our knowledge.

Signed-off-by: Kumar Gala galak@kernel.crashing.org --- cpu/mpc85xx/config.mk | 1 + 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/cpu/mpc85xx/config.mk b/cpu/mpc85xx/config.mk index f6df702..9e574a2 100644 --- a/cpu/mpc85xx/config.mk +++ b/cpu/mpc85xx/config.mk @@ -25,3 +25,4 @@ PLATFORM_RELFLAGS += -fPIC -ffixed-r14 -meabi

PLATFORM_CPPFLAGS += -DCONFIG_MPC85xx -DCONFIG_E500 -ffixed-r2 \ -Wa,-me500 -msoft-float -mno-string +PLATFORM_CPPFLAGS +=$(call cc-option,-mno-spe)