[Bug target/68674] ARM attribute target neon warning: incompatible implicit declaration of built-in function

[chrbr at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68674

--- Comment #3 from chrbr at gcc dot gnu.org ---
ah yes, try without the "-mfpu=neon". 

arm-none-eabi-gcc -mcpu=cortex-a9 -mfloat-abi=hard  t.c  -S -O2