search for: f1bc0f00

...3e 6808 ldr r0, [r1, #0]00000040 f1020108 add.w r1, r2, #8 @ 0x800000044 f8cc1000 str.w r1, [ip]00000048 f3bf8f5a dmb ishst0000004c 9901 ldr r1, [sp, #4]0000004e e8512f00 ldrex r2, [r1]00000052 9200 str r2, [sp, #0]00000054 441a add r2, r300000056 e8412c00 strex ip, r2, [r1]0000005a f1bc0f00 cmp.w ip, #0 @ 0x00000005e d1f6 bne.n 0x4e... What happens in the code between 4e and 5e is an atomic check of a variable by the inlined __exchange_and_add. The problem is that the result read by ldrex is stored by the inline optimization on the stack for further use. However, as the atomically...