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29 lines
618 B
C
29 lines
618 B
C
/* https://github.com/cirosantilli/arm-assembly-cheat#register-variables */
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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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register double d0 __asm__ ("d0");
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register double d1 __asm__ ("d1");
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double new_d0;
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double new_d1;
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{
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d0 = 1.5;
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d1 = 2.5;
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__asm__ (
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"fmov d2, 1.5;"
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"fadd %d[d0], d0, d2;"
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"fadd %d[d1], d1, d2;"
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: [d0] "+w" (d0),
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[d1] "+w" (d1)
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:
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: "d2"
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);
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new_d0 = d0;
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new_d1 = d1;
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}
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assert(new_d0 == 3.0);
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assert(new_d1 == 4.0);
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}
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