From 89cd73673d7f35515dadc7594af071f3b74f5ed9 Mon Sep 17 00:00:00 2001
From: nihonium <nihonium@rape.lol>
Date: Sun, 17 Apr 2022 14:09:27 +0300
Subject: [PATCH] nya

---
 asm/idiv.s   | 64 ++++++++++++++++++++++++++++++++++++++
 asm/switch.c | 19 ++++++++++++
 asm/switch.s | 42 +++++++++++++++++++++++++
 nasm/P.asm   | 88 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 213 insertions(+)
 create mode 100644 asm/idiv.s
 create mode 100644 asm/switch.c
 create mode 100644 asm/switch.s
 create mode 100644 nasm/P.asm

diff --git a/asm/idiv.s b/asm/idiv.s
new file mode 100644
index 0000000..31db679
--- /dev/null
+++ b/asm/idiv.s
@@ -0,0 +1,64 @@
+	.file	"idiv.c"
+	.intel_syntax noprefix
+	.text
+	.section	.rodata
+.LC0:
+	.string	"%hd %hd"
+.LC1:
+	.string	"%hd\n"
+	.text
+	.globl	main
+	.type	main, @function
+main:
+.LFB0:
+	.cfi_startproc
+	push	rbp
+	.cfi_def_cfa_offset 16
+	.cfi_offset 6, -16
+	mov	rbp, rsp
+	.cfi_def_cfa_register 6
+	sub	rsp, 16
+	mov	rax, QWORD PTR fs:40
+	mov	QWORD PTR -8[rbp], rax
+	xor	eax, eax
+	lea	rdx, -12[rbp]
+	lea	rax, -14[rbp]
+	mov	rsi, rax
+	lea	rax, .LC0[rip]
+	mov	rdi, rax
+	mov	eax, 0
+	call	__isoc99_scanf@PLT
+	movzx	eax, WORD PTR -14[rbp]
+	movzx	edx, WORD PTR -12[rbp]
+#APP
+# 6 "idiv.c" 1
+	mov ax,%ax
+mov dx,%bx
+cwd
+idiv %bx
+mov %ax, %dx
+mov %dx, ax
+
+# 0 "" 2
+#NO_APP
+	mov	WORD PTR -10[rbp], ax
+	movsx	eax, WORD PTR -10[rbp]
+	mov	esi, eax
+	lea	rax, .LC1[rip]
+	mov	rdi, rax
+	mov	eax, 0
+	call	printf@PLT
+	mov	eax, 0
+	mov	rdx, QWORD PTR -8[rbp]
+	sub	rdx, QWORD PTR fs:40
+	je	.L3
+	call	__stack_chk_fail@PLT
+.L3:
+	leave
+	.cfi_def_cfa 7, 8
+	ret
+	.cfi_endproc
+.LFE0:
+	.size	main, .-main
+	.ident	"GCC: (GNU) 11.2.0"
+	.section	.note.GNU-stack,"",@progbits
diff --git a/asm/switch.c b/asm/switch.c
new file mode 100644
index 0000000..05f2644
--- /dev/null
+++ b/asm/switch.c
@@ -0,0 +1,19 @@
+int main() {
+	int x = 1;
+	switch(x) {
+		case 1: 
+			return 1;
+			break;
+		case 2:
+			return 2;
+			break;
+		case 3:
+		case 4:
+			return 113;
+		case 5:
+			return 4;
+			break;
+		case 6:
+			return 
+	}
+}
diff --git a/asm/switch.s b/asm/switch.s
new file mode 100644
index 0000000..58e106c
--- /dev/null
+++ b/asm/switch.s
@@ -0,0 +1,42 @@
+	.file	"switch.c"
+	.text
+	.globl	main
+	.type	main, @function
+main:
+.LFB0:
+	.cfi_startproc
+	pushq	%rbp
+	.cfi_def_cfa_offset 16
+	.cfi_offset 6, -16
+	movq	%rsp, %rbp
+	.cfi_def_cfa_register 6
+	movl	$1, -4(%rbp)
+	cmpl	$4, -4(%rbp)
+	jg	.L2
+	cmpl	$3, -4(%rbp)
+	jge	.L3
+	cmpl	$1, -4(%rbp)
+	je	.L4
+	cmpl	$2, -4(%rbp)
+	je	.L5
+	jmp	.L2
+.L4:
+	movl	$1, %eax
+	jmp	.L6
+.L5:
+	movl	$2, %eax
+	jmp	.L6
+.L3:
+	movl	$113, %eax
+	jmp	.L6
+.L2:
+	movl	$0, %eax
+.L6:
+	popq	%rbp
+	.cfi_def_cfa 7, 8
+	ret
+	.cfi_endproc
+.LFE0:
+	.size	main, .-main
+	.ident	"GCC: (GNU) 11.2.0"
+	.section	.note.GNU-stack,"",@progbits
diff --git a/nasm/P.asm b/nasm/P.asm
new file mode 100644
index 0000000..fc6f345
--- /dev/null
+++ b/nasm/P.asm
@@ -0,0 +1,88 @@
+extern scanf
+extern printf 
+global main
+
+
+
+section .text
+meow:	
+	fld qword [x + 8 * ebx]
+	fld qword [n]
+	fcomp 
+	fstsw ax
+	sahf
+	jnbe end
+	fld qword [n]
+	fxch
+	fsubr 
+
+	fld qword [s]
+	fadd 
+	fstp qword [s]
+
+	fld qword [x + 8 * ebx]
+
+	fld qword [q]
+	fxch
+	fdivr
+
+	inc ebx
+
+	fstp qword [x + 8 * ebx]
+
+	call meow
+	dec ebx
+
+	fld qword [x + 8 * ebx]
+
+	fld qword [w]
+	fxch
+	fdivr
+	inc ebx
+
+	fstp qword [x + 8 * ebx]
+
+	call meow
+
+	dec ebx
+
+	ret
+
+end:
+	sub esp, 4
+	fstp dword [esp]
+	add esp, 4
+
+	ret
+
+main:
+
+	xor ebx, ebx
+	push x
+	push i
+	call scanf
+	add esp, 8
+	
+	call meow
+
+	fld qword [s]
+	sub esp, 8
+	fstp qword [esp]
+	push o
+	call printf
+	add esp, 12
+
+	xor eax, eax
+	ret
+
+section .data
+i db "%lf", 0
+o db "%.10lf", 10, 13, 0
+
+s dq 0.0
+n dq 1.0
+q dq 2.0
+w dq 3.0
+
+section .bss
+x resq 100000