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/bdiv_dbm1c.s | 131 +++++++++++++++++++++++
 1 file changed, 131 insertions(+)
 create mode 100644 vere/ext/gmp/gen/x86_64-windows/mpn/bdiv_dbm1c.s

(limited to 'vere/ext/gmp/gen/x86_64-windows/mpn/bdiv_dbm1c.s')

diff --git a/vere/ext/gmp/gen/x86_64-windows/mpn/bdiv_dbm1c.s b/vere/ext/gmp/gen/x86_64-windows/mpn/bdiv_dbm1c.s
new file mode 100644
index 0000000..384066d
--- /dev/null
+++ b/vere/ext/gmp/gen/x86_64-windows/mpn/bdiv_dbm1c.s
@@ -0,0 +1,131 @@
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+	.text
+	.align	16, 0x90
+	.globl	__gmpn_bdiv_dbm1c
+	
+	.def	__gmpn_bdiv_dbm1c
+	.scl	2
+	.type	32
+	.endef
+__gmpn_bdiv_dbm1c:
+
+	push	%rdi
+	push	%rsi
+	mov	%rcx, %rdi
+	mov	%rdx, %rsi
+	mov	%r8, %rdx
+	mov	%r9, %rcx
+
+	mov	56(%rsp), %r8	
+	mov	(%rsi), %rax
+	mov	%rdx, %r9
+	mov	%edx, %r11d
+	mul	%rcx
+	lea	(%rsi,%r9,8), %rsi
+	lea	(%rdi,%r9,8), %rdi
+	neg	%r9
+	and	$3, %r11d
+	jz	Llo0
+	lea	-4(%r9,%r11), %r9
+	cmp	$2, %r11d
+	jc	Llo1
+	jz	Llo2
+	jmp	Llo3
+
+	.align	16, 0x90
+Ltop:	mov	(%rsi,%r9,8), %rax
+	mul	%rcx
+Llo0:	sub	%rax, %r8
+	mov	%r8, (%rdi,%r9,8)
+	sbb	%rdx, %r8
+	mov	8(%rsi,%r9,8), %rax
+	mul	%rcx
+Llo3:	sub	%rax, %r8
+	mov	%r8, 8(%rdi,%r9,8)
+	sbb	%rdx, %r8
+	mov	16(%rsi,%r9,8), %rax
+	mul	%rcx
+Llo2:	sub	%rax, %r8
+	mov	%r8, 16(%rdi,%r9,8)
+	sbb	%rdx, %r8
+	mov	24(%rsi,%r9,8), %rax
+	mul	%rcx
+Llo1:	sub	%rax, %r8
+	mov	%r8, 24(%rdi,%r9,8)
+	sbb	%rdx, %r8
+	add	$4, %r9
+	jnz	Ltop
+
+	mov	%r8, %rax
+	pop	%rsi
+	pop	%rdi
+	ret
+	
-- 
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