#define INSTR vmovaps
#define NINST 24
#define N edi
#define i r8d


.intel_syntax noprefix
.globl ninst
.data
ninst:
.long NINST
.text
.globl latency
.type latency, @function
.align 32
latency:
		push	rbp
		mov	rbp, rsp
		xor	i, i
		test	N, N
		jle	done
		# create DP 1.0
		vpcmpeqw xmm0, xmm0, xmm0		# all ones
		vpsllq xmm0, xmm0, 54			# logical left shift: 11111110..0 (54=64-(10-1))
		vpsrlq xmm0, xmm0, 2			# logical right shift: 1 bit for sign; leading      mantissa bit is zero
		# copy DP 1.0
		vmovaps xmm0, xmm0
		vmovaps xmm1, xmm0
		# Create DP 2.0
		vaddpd xmm1, xmm1, xmm1
		# Create DP 0.5
		vdivpd xmm2, xmm0, xmm1
loop:
		inc      i
		INSTR    xmm3, xmm0
		INSTR    xmm4, xmm1
		INSTR    xmm5, xmm2
		INSTR    xmm3, xmm0
		INSTR    xmm4, xmm1
		INSTR    xmm5, xmm2
		INSTR    xmm6, xmm0
		INSTR    xmm7, xmm1
		INSTR    xmm8, xmm2
		INSTR    xmm9, xmm0
		INSTR    xmm10, xmm1
		INSTR    xmm11, xmm2
		INSTR    xmm12, xmm0
		INSTR    xmm13, xmm1
		INSTR    xmm14, xmm2
		INSTR    xmm15, xmm0
		INSTR    xmm16, xmm1
		INSTR    xmm17, xmm2
		INSTR    xmm18, xmm0
		INSTR    xmm19, xmm1
		INSTR    xmm20, xmm2
		INSTR    xmm21, xmm0
		INSTR    xmm22, xmm1
		INSTR    xmm23, xmm2
		cmp      i, N
		jl       loop
done:
		mov	rsp, rbp
		pop	rbp
		ret
.size latency, .-latency