#define NULL ((void *)0)
typedef unsigned long size_t; // Customize by platform.
typedef long intptr_t;
typedef unsigned long uintptr_t;
typedef long scalar_t__; // Either arithmetic or pointer type.
/* By default, we understand bool (as a convenience). */
typedef int bool;
#define false 0
#define true 1

/* Forward declarations */

/* Type definitions */

/* Variables and functions */
int /*<<< orphan*/ fldcw_default();
int /*<<< orphan*/ fldcw_exns();
int /*<<< orphan*/ fldcw_precision();
int /*<<< orphan*/ fldcw_rounding();
int /*<<< orphan*/ printf(char *);
int main(void) {
  printf("default\n");
  fldcw_default();
  printf("\n");
  printf("exns\n");
  fldcw_exns();
  printf("\n");
  printf("precision\n");
  fldcw_precision();
  printf("\n");
  printf("rounding\n");
  fldcw_rounding();
  printf("\n");
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xe9a(%rip),%rdi
call   1030 <printf@plt>
mov    $0x0,%al
call   1050 <fldcw_default@plt>
lea    0xea9(%rip),%rdi
call   1030 <printf@plt>
lea    0xe84(%rip),%rdi
call   1030 <printf@plt>
mov    $0x0,%al
call   1060 <fldcw_exns@plt>
lea    0xe8a(%rip),%rdi
call   1030 <printf@plt>
lea    0xe6b(%rip),%rdi
call   1030 <printf@plt>
mov    $0x0,%al
call   1040 <fldcw_precision@plt>
lea    0xe6b(%rip),%rdi
call   1030 <printf@plt>
lea    0xe57(%rip),%rdi
call   1030 <printf@plt>
mov    $0x0,%al
call   1070 <fldcw_rounding@plt>
lea    0xe4c(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xe98(%rip),%rdi
call   1040 <puts@plt>
xor    %eax,%eax
call   1060 <fldcw_default@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xe83(%rip),%rdi
call   1040 <puts@plt>
xor    %eax,%eax
call   1070 <fldcw_exns@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xe6b(%rip),%rdi
call   1040 <puts@plt>
xor    %eax,%eax
call   1050 <fldcw_precision@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xe58(%rip),%rdi
call   1040 <puts@plt>
xor    %eax,%eax
call   1080 <fldcw_rounding@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [9 x i8] c"default\0A\00"
@.str.1 = [2 x i8] c"\0A\00"
@.str.2 = [6 x i8] c"exns\0A\00"
@.str.3 = [11 x i8] c"precision\0A\00"
@.str.4 = [10 x i8] c"rounding\0A\00"
define i32 @main() {
%1 = alloca i32
store i32 0, i32* %1
%2 = call i32 @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0))
%3 = call i32 (...) @fldcw_default()
%4 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0))
%6 = call i32 (...) @fldcw_exns()
%7 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
%8 = call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0))
%9 = call i32 (...) @fldcw_precision()
%10 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
%11 = call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.4, i64 0, i64 0))
%12 = call i32 (...) @fldcw_rounding()
%13 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@str = [8 x i8] c"default\00"
@str.5 = [5 x i8] c"exns\00"
@str.6 = [10 x i8] c"precision\00"
@str.7 = [9 x i8] c"rounding\00"
define i32 @main() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([8 x i8], [8 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 (...) @fldcw_default()
%3 = tail call i32 @putchar(i32 10)
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @str.5, i64 0, i64 0))
%5 = tail call i32 (...) @fldcw_exns()
%6 = tail call i32 @putchar(i32 10)
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 x i8]* @str.6, i64 0, i64 0))
%8 = tail call i32 (...) @fldcw_precision()
%9 = tail call i32 @putchar(i32 10)
%10 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([9 x i8], [9 x i8]* @str.7, i64 0, i64 0))
%11 = tail call i32 (...) @fldcw_rounding()
%12 = tail call i32 @putchar(i32 10)
ret i32 0
}