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19 lines
334 B
C
19 lines
334 B
C
/* Increment a variable in inline assembly.
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*
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* https://github.com/cirosantilli/linux-kernel-module-cheat#gcc-inline-assembly
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*/
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#include <assert.h>
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#include <inttypes.h>
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int main(void) {
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uint64_t io = 1;
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__asm__ (
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"add %[io], %[io], 1;"
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: [io] "+r" (io)
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:
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:
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);
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assert(io == 2);
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}
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