RealView compiler setting

Optimize for [Space]: Base on Code size, [Time]: Base on Performance.

Optimization Level:

• [0(minimum optimization, best debug view)]
• [1(restricted optimization, good debug view)]
• [2(high optimization, restricted debug view)]
• [3(maximum optimization, restricted debug view)]

Equivalent Command Line: You can add your own parameter over here, for example: -Dtest_flag.