kopia lustrzana https://github.com/micropython/micropython
nrf/mphalport: Remove need for "syntax unified" in mp_hal_delay_us.
Because it can confuse older versions of gcc. Instead use the correct
instruction for Thumb vs Thumb-2 (sub vs subs) so the assembler emits the
2-byte instruction.
Related to commit 1aa9ff9141
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pull/6043/head
rodzic
eb5e9c00f8
commit
8f348778e1
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@ -99,11 +99,12 @@ void mp_hal_delay_us(mp_uint_t us) {
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}
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register uint32_t delay __ASM("r0") = us;
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__ASM volatile (
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#ifdef NRF51
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".syntax unified\n"
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#endif
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"1:\n"
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#ifdef NRF51
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" SUB %0, %0, #1\n"
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#else
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" SUBS %0, %0, #1\n"
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#endif
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" NOP\n"
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" NOP\n"
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" NOP\n"
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