stack waste for local variables in case of optimization level 2

Hello, i am wondering about stack usage with optimization Level 2. Thread job2 uses 264 Bytes on stack. Obviously much more than required. Using optimization Level 0, stack usage is only 168 Bytes...
stack waste for local variables in case of optimization level 2

Hello, i am wondering about stack usage with optimization Level 2. Thread job2 uses 264 Bytes on stack. Obviously much more than required. Using optimization Level 0, stack usage is only 168 Bytes...
Declaring local variable causes L15 warnings, but only on optimization level 9

For reference, please take a look at this older question of mine: https://community.arm.com/developer/tools-software/tools/f/keil-forum/41992/spurious-link-from-isr-to-pr-main Previously, function pointers...
Declaring local variable causes L15 warnings, but only on optimization level 9

For reference, please take a look at this older question of mine: https://community.arm.com/developer/tools-software/tools/f/keil-forum/41992/spurious-link-from-isr-to-pr-main Previously, function pointers...
What optimization options (flags) are enabled for predefined optimization levels -O<n> in armclang? Where can I find a list of all available optimization options?

For GCC, you are able to look up what options are enabled for different optimization levels. There is even a webpage for that: https://gcc.gnu.org/onlinedocs/gcc/Optimize-Options.html . I can't find anything...