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subs requires a lo register (#1402)

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Graham Sanderson 2023-05-29 11:10:11 -05:00 committed by GitHub
parent b0a6f244f3
commit c026314e17
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src/rp2_common/pico_platform/include/pico/platform.h
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@ -504,7 +504,7 @@ static inline void busy_wait_at_least_cycles(uint32_t minimum_cycles) {
pico_default_asm (
"1: subs %0, #3\n"
"bcs 1b\n"
: "+r" (minimum_cycles) : : "memory"
: "+l" (minimum_cycles) : : "memory"
);
}