Greetings,
I’m trying to have the Aarch64 gcc optimize a single function using the O3
optimization in this manner:
void __attribute__ ((optimize ("-O3", "-ftree-vectorize" )))
However, when examining the assembler code, there is no trace of any
optimization beyond the project default.
The only way to successfully enforce the optimization is using -O3 in the gcc
command line. Then the compiler produces ARM neon instructions.
Do you know any issues regarding function level optimizations and the Aarch64
gcc?
Regards
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