From 9c7462d90cf6c48b0cd82cbf3ae4e8a458ed77f7 Mon Sep 17 00:00:00 2001
From: iximeow <me@iximeow.net>
Date: Tue, 30 May 2017 01:47:15 -0700
Subject: add a bunch of things

---
 source/files/assembly/x86/perf/array_fastest.asm | 38 ++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 source/files/assembly/x86/perf/array_fastest.asm

(limited to 'source/files/assembly/x86/perf/array_fastest.asm')

diff --git a/source/files/assembly/x86/perf/array_fastest.asm b/source/files/assembly/x86/perf/array_fastest.asm
new file mode 100644
index 0000000..2e91562
--- /dev/null
+++ b/source/files/assembly/x86/perf/array_fastest.asm
@@ -0,0 +1,38 @@
+section .text
+global _start:
+  call do_work
+  mov rax, 60
+  mov rdi, r13
+  syscall
+
+do_work:
+  mov r14, arrrrrr
+  xor r15, r15
+  xor r13, r13
+  mov rcx, 0x0f0f0f0f
+  rcl rcx, 32
+  or rcx, 0x0f0f0f0f
+  mov rax, 0
+  movq mm1, rax
+
+  mov ebx, dword [r14]
+  lea rsi, [r14 + 0x8]
+  test rbx, rbx
+  jmp tst
+  nop
+lp:
+  lodsq
+  and rax, rcx
+  movq mm0, rax
+  psadbw mm0, mm1
+  movq rax, mm0
+  add r13, rax
+
+  sub rbx, 8
+tst:
+  jnz lp
+  ret
+
+arrrrrr:
+  dd 134217728
+  times 134217728 db 57h
-- 
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