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26 lines
563 B
C
26 lines
563 B
C
/* https://cirosantilli.com/linux-kernel-module-cheat#gcc-inline-assembly-floating-point-arm */
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#include <assert.h>
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int main(void) {
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float my_float = 1.5;
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__asm__ (
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"fmov s0, 1.0;"
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"fadd %s[my_float], %s[my_float], s0;"
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: [my_float] "+w" (my_float)
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:
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: "s0"
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);
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assert(my_float == 2.5);
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double my_double = 1.5;
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__asm__ (
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"fmov d0, 1.0;"
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"fadd %d[my_double], %d[my_double], d0;"
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: [my_double] "+w" (my_double)
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:
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: "d0"
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);
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assert(my_double == 2.5);
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}
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