changed 'testcases' to 'benchmarks'

2025-12-16 09:00:05 +01:00 · 2017-10-12 18:55:45 +02:00
parent 1fac059ebd
commit e3c09a40a1
140 changed files with 17224 additions and 0 deletions
--- a/benchmarks/neg-r32.S
+++ b/benchmarks/neg-r32.S
@@ -0,0 +1,143 @@
+#define INSTR neg
+#define NINST 64
+#define N edi
+#define i r8d
+
+
+.intel_syntax noprefix
+.globl ninst
+.data
+ninst:
+.long NINST
+.align 32
+PI:
+.long  0xf01b866e, 0x400921f9, 0xf01b866e, 0x400921f9, 0xf01b866e, 0x400921f9, 0xf01b866e, 0x400921f9, 0xf01b866e, 0x400921f9, 0xf01b866e, 0x400921f9, 0xf01b866e, 0x400921f9, 0xf01b866e, 0x400921f9
+.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
+		push    rax
+		push    rbx
+		push    rcx
+		push    rdx
+		push    r9
+		push    r10
+		push    r11
+		push    r12
+		push    r13
+		push    r14
+		push    r15
+		xor     rax, rax
+		xor     rbx, rbx
+		xor     rcx, rcx
+		xor     rdx, rdx
+		xor     r9, r9
+		xor     r10, r10
+		xor     r11, r11
+		xor     r12, r12
+		xor     r13, r13
+		xor     r14, r14
+		xor     r15, r15
+		# copy DP 1.0
+		vmovq rax, xmm0
+		vmovq rbx, xmm0
+		# Create DP 2.0
+		add rbx, rax
+		# Create DP 0.5
+		div rax
+		movq rcx, rax
+		vmovq rax, xmm0
+loop:
+		inc      i
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		INSTR    eax
+		cmp      i, N
+		jl       loop
+		pop     r15
+		pop     r14
+		pop     r13
+		pop     r12
+		pop     r11
+		pop     r10
+		pop     r9
+		pop     rdx
+		pop     rcx
+		pop     rbx
+		pop     rax
+done:
+		mov	rsp, rbp
+		pop	rbp
+		ret
+.size latency, .-latency