From fcedfddf00b3f994e4f4e40332ac7fc192c63244 Mon Sep 17 00:00:00 2001
From: polwex <polwex@sortug.com>
Date: Sun, 5 Oct 2025 21:56:51 +0700
Subject: claude is gud

---
 vere/ext/gmp/gen/x86_64-windows/mpn/xor_n.s | 159 ++++++++++++++++++++++++++++
 1 file changed, 159 insertions(+)
 create mode 100644 vere/ext/gmp/gen/x86_64-windows/mpn/xor_n.s

(limited to 'vere/ext/gmp/gen/x86_64-windows/mpn/xor_n.s')

diff --git a/vere/ext/gmp/gen/x86_64-windows/mpn/xor_n.s b/vere/ext/gmp/gen/x86_64-windows/mpn/xor_n.s
new file mode 100644
index 0000000..52a767b
--- /dev/null
+++ b/vere/ext/gmp/gen/x86_64-windows/mpn/xor_n.s
@@ -0,0 +1,159 @@
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+	.text
+	.align	32, 0x90
+	.globl	__gmpn_xor_n
+	
+	.def	__gmpn_xor_n
+	.scl	2
+	.type	32
+	.endef
+__gmpn_xor_n:
+
+	push	%rdi
+	push	%rsi
+	mov	%rcx, %rdi
+	mov	%rdx, %rsi
+	mov	%r8, %rdx
+	mov	%r9, %rcx
+
+	mov	(%rdx), %r8
+	mov	%ecx, %eax
+	lea	(%rdx,%rcx,8), %rdx
+	lea	(%rsi,%rcx,8), %rsi
+	lea	(%rdi,%rcx,8), %rdi
+	neg	%rcx
+	and	$3, %eax
+	je	Lb00
+	cmp	$2, %eax
+	jc	Lb01
+	je	Lb10
+
+Lb11:	xor	(%rsi,%rcx,8), %r8
+	mov	%r8, (%rdi,%rcx,8)
+	dec	%rcx
+	jmp	Le11
+Lb10:	add	$-2, %rcx
+	jmp	Le10
+Lb01:	xor	(%rsi,%rcx,8), %r8
+	mov	%r8, (%rdi,%rcx,8)
+	inc	%rcx
+	jz	Lret
+
+Ltop:	mov	(%rdx,%rcx,8), %r8
+Lb00:	mov	8(%rdx,%rcx,8), %r9
+	xor	(%rsi,%rcx,8), %r8
+	xor	8(%rsi,%rcx,8), %r9
+	nop				
+	mov	%r8, (%rdi,%rcx,8)
+	mov	%r9, 8(%rdi,%rcx,8)
+Le11:	mov	16(%rdx,%rcx,8), %r8
+Le10:	mov	24(%rdx,%rcx,8), %r9
+	xor	16(%rsi,%rcx,8), %r8
+	xor	24(%rsi,%rcx,8), %r9
+	mov	%r8, 16(%rdi,%rcx,8)
+	mov	%r9, 24(%rdi,%rcx,8)
+	add	$4, %rcx
+	jnc	Ltop
+
+Lret:	pop	%rsi
+	pop	%rdi
+	ret
+	
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-- 
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