#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*/ do_fstenv(unsigned int *);
unsigned int *malloc(int);
int /*<<< orphan*/ printf(char *, ...);
int main(void) {
  int i;
  unsigned int *buf = malloc(7 * sizeof(int));
  do_fstenv(buf);
  for (i = 0; i < 7; i++) {
    printf("%08x ", buf[i]);
    if (i > 0 && ((i % 6) == 5))
      printf("\n");
  }
  printf("\n");
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
mov    $0x1c,%edi
call   1050 <malloc@plt>
mov    %rax,-0x10(%rbp)
mov    -0x10(%rbp),%rdi
call   1040 <do_fstenv@plt>
movl   $0x0,-0x8(%rbp)
cmpl   $0x7,-0x8(%rbp)
jge    11bf <main+0x8f>
mov    -0x10(%rbp),%rax
movslq -0x8(%rbp),%rcx
mov    (%rax,%rcx,4),%esi
lea    0xe87(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
cmpl   $0x0,-0x8(%rbp)
jle    11ac <main+0x7c>
mov    -0x8(%rbp),%eax
mov    $0x6,%ecx
cltd
idiv   %ecx
cmp    $0x5,%edx
jne    11ac <main+0x7c>
lea    0xe61(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    11b1 <main+0x81>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    115d <main+0x2d>
lea    0xe40(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r14
push   %rbx
push   %rax
mov    $0x1c,%edi
call   1060 <malloc@plt>
mov    %rax,%rbx
mov    %rax,%rdi
call   1050 <do_fstenv@plt>
mov    (%rbx),%esi
lea    0xe9e(%rip),%r14
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x4(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x8(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0xc(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x10(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x14(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    0x18(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
@.str = [6 x i8] c"%08x \00"
@.str.1 = [2 x i8] c"\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32*
store i32 0, i32* %1
%4 = call i32* @malloc(i32 28)
store i32* %4, i32** %3
%5 = load i32*, i32** %3
%6 = call i32 @do_fstenv(i32* %5)
store i32 0, i32* %2
br label %7
7: ; preds = %26, %0
%8 = load i32, i32* %2
%9 = icmp slt i32 %8, 7
br i1 %9, label %10, label %29
10: ; preds = %7
%11 = load i32*, i32** %3
%12 = load i32, i32* %2
%13 = sext i32 %12 to i64
%14 = getelementptr inbounds i32, i32* %11, i64 %13
%15 = load i32, i32* %14
%16 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), i32 %15)
%17 = load i32, i32* %2
%18 = icmp sgt i32 %17, 0
br i1 %18, label %19, label %25
19: ; preds = %10
%20 = load i32, i32* %2
%21 = srem i32 %20, 6
%22 = icmp eq i32 %21, 5
br i1 %22, label %23, label %25
23: ; preds = %19
%24 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
br label %25
25: ; preds = %23, %19, %10
br label %26
26: ; preds = %25
%27 = load i32, i32* %2
%28 = add nsw i32 %27, 1
store i32 %28, i32* %2
br label %7
29: ; preds = %7
%30 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@.str = [6 x i8] c"%08x \00"
define i32 @main() {
%1 = tail call i32* @malloc(i32 28)
%2 = tail call i32 @do_fstenv(i32* %1)
%3 = load i32, i32* %1
%4 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), i32 %3)
%5 = getelementptr inbounds i32, i32* %1, i64 1
%6 = load i32, i32* %5
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), i32 %6)
%8 = getelementptr inbounds i32, i32* %1, i64 2
%9 = load i32, i32* %8
%10 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), i32 %9)
%11 = getelementptr inbounds i32, i32* %1, i64 3
%12 = load i32, i32* %11
%13 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), i32 %12)
%14 = getelementptr inbounds i32, i32* %1, i64 4
%15 = load i32, i32* %14
%16 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), i32 %15)
%17 = getelementptr inbounds i32, i32* %1, i64 5
%18 = load i32, i32* %17
%19 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), i32 %18)
%20 = tail call i32 @putchar(i32 10)
%21 = getelementptr inbounds i32, i32* %1, i64 6
%22 = load i32, i32* %21
%23 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), i32 %22)
%24 = tail call i32 @putchar(i32 10)
ret i32 0
}