1 files changed, 130 insertions, 0 deletions
diff --git a/vere/ext/gmp/gen/x86_64-windows/mpn/invert_limb.s b/vere/ext/gmp/gen/x86_64-windows/mpn/invert_limb.s
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+	.text
+	.align	16, 0x90
+	.globl	__gmpn_invert_limb
+	
+	.def	__gmpn_invert_limb
+	.scl	2
+	.type	32
+	.endef
+__gmpn_invert_limb:
+		
+	push	%rdi
+	push	%rsi
+	mov	%rcx, %rdi
+
+	mov	%rdi, %rax		
+	shr	$55, %rax		
+
+	lea	-512+__gmpn_invert_limb_table(%rip), %r8
+
+	movzwl	(%r8,%rax,2), %ecx	
+
+	
+	mov	%rdi, %rsi		
+	mov	%ecx, %eax	
+	imul	%ecx, %ecx	
+	shr	$24, %rsi		
+	inc	%rsi			
+	imul	%rsi, %rcx		
+	shr	$40, %rcx		
+	sal	$11, %eax		
+	dec	%eax
+	sub	%ecx, %eax	
+
+	
+	mov	$0x1000000000000000, %rcx
+	imul	%rax, %rsi		
+	sub	%rsi, %rcx
+	imul	%rax, %rcx
+	sal	$13, %rax
+	shr	$47, %rcx
+	add	%rax, %rcx		
+
+	
+	mov	%rdi, %rsi		
+	shr	%rsi			
+	sbb	%rax, %rax		
+	sub	%rax, %rsi		
+	imul	%rcx, %rsi		
+	and	%rcx, %rax		
+	shr	%rax			
+	sub	%rsi, %rax		
+	mul	%rcx
+	sal	$31, %rcx
+	shr	%rdx
+	add	%rdx, %rcx		
+
+	mov	%rdi, %rax
+	mul	%rcx
+	add	%rdi, %rax
+	mov	%rcx, %rax
+	adc	%rdi, %rdx
+	sub	%rdx, %rax
+
+	pop	%rsi
+	pop	%rdi
+	ret
+	
+