24 u16 qm_mulu16(u16 op1, u16 op2)  in qm_mulu16()  argument
26 	return (u16) (((u32) op1 * (u32) op2) >> 16);  in qm_mulu16()
37 s16 qm_muls16(s16 op1, s16 op2)  in qm_muls16()  argument
40 	if (op1 == (s16) 0x8000 && op2 == (s16) 0x8000)  in qm_muls16()
43 		result = ((s32) (op1) * (s32) (op2));  in qm_muls16()
53 s32 qm_add32(s32 op1, s32 op2)  in qm_add32()  argument
56 	result = op1 + op2;  in qm_add32()
57 	if (op1 < 0 && op2 < 0 && result > 0)  in qm_add32()
59 	else if (op1 > 0 && op2 > 0 && result < 0)  in qm_add32()
70 s16 qm_add16(s16 op1, s16 op2)  in qm_add16()  argument
73 	s32 temp = (s32) op1 + (s32) op2;  in qm_add16()
89 s16 qm_sub16(s16 op1, s16 op2)  in qm_sub16()  argument
92 	s32 temp = (s32) op1 - (s32) op2;  in qm_sub16()