arch/sparc64/math-emu/fsubq.c


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#include "soft-fp.h"
#include "quad.h"

int FSUBQ(void *rd, void *rs2, void *rs1)
{
	FP_DECL_Q(A); FP_DECL_Q(B); FP_DECL_Q(R);

	__FP_UNPACK_Q(A, rs1);
	__FP_UNPACK_Q(B, rs2);
	if (B_c != FP_CLS_NAN)
		B_s ^= 1;
	FP_ADD_Q(R, A, B);
	return __FP_PACK_Q(rd, R);
}