static inline u32 __attribute_const__ __hash_32()

in include/asm/hash.h [36:51]

• 15 lines of code
• 1 McCabe index (conditional complexity)

static inline u32 __attribute_const__ __hash_32(u32 x)
{
	u32 temp;

	asm(   "mov.w	%e1,%f0"
	"\n	mulxu.w	%f2,%0"		/* klow * xhigh */
	"\n	mov.w	%f0,%e1"	/* The extra instruction */
	"\n	mov.w	%f1,%f0"
	"\n	mulxu.w	%e2,%0"		/* khigh * xlow */
	"\n	add.w	%e1,%f0"
	"\n	mulxu.w	%f2,%1"		/* klow * xlow */
	"\n	add.w	%f0,%e1"
	: "=&r" (temp), "=r" (x)
	: "%r" (GOLDEN_RATIO_32), "1" (x));
	return x;
}