int main() {
  double array[] = {1.34, 6.45, 67.76, 12.77};
  char buff[8 * 4];
  memcpy(buff, array, sizeof(array));
  int i = 0;
  for (i = 0; i < 32; i++) {
    printf("%c ", buff[i]);
  }
  double a2[4];
  memcpy(a2, buff, sizeof(array));
  puts("------");
  for (i = 0; i < 4; i++) {
    printf("%lf ", a2[i]);
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x80,%rsp
movl   $0x0,-0x4(%rbp)
mov    0xec7(%rip),%rax
mov    %rax,-0x30(%rbp)
mov    0xec4(%rip),%rax
mov    %rax,-0x28(%rbp)
mov    0xec1(%rip),%rax
mov    %rax,-0x20(%rbp)
mov    0xebe(%rip),%rax
mov    %rax,-0x18(%rbp)
mov    -0x30(%rbp),%rax
mov    %rax,-0x50(%rbp)
mov    -0x28(%rbp),%rax
mov    %rax,-0x48(%rbp)
mov    -0x20(%rbp),%rax
mov    %rax,-0x40(%rbp)
mov    -0x18(%rbp),%rax
mov    %rax,-0x38(%rbp)
movl   $0x0,-0x54(%rbp)
movl   $0x0,-0x54(%rbp)
cmpl   $0x20,-0x54(%rbp)
jge    11bb <main+0x9b>
movslq -0x54(%rbp),%rax
movsbl -0x50(%rbp,%rax,1),%esi
lea    0xe7a(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
mov    -0x54(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x54(%rbp)
jmp    118c <main+0x6c>
mov    -0x50(%rbp),%rax
mov    %rax,-0x80(%rbp)
mov    -0x48(%rbp),%rax
mov    %rax,-0x78(%rbp)
mov    -0x40(%rbp),%rax
mov    %rax,-0x70(%rbp)
mov    -0x38(%rbp),%rax
mov    %rax,-0x68(%rbp)
lea    0xe42(%rip),%rdi
mov    $0x0,%al
call   1030 <puts@plt>
movl   $0x0,-0x54(%rbp)
cmpl   $0x4,-0x54(%rbp)
jge    1220 <main+0x100>
movslq -0x54(%rbp),%rax
movsd  -0x80(%rbp,%rax,8),%xmm0
lea    0xe20(%rip),%rdi
mov    $0x1,%al
call   1040 <printf@plt>
mov    -0x54(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x54(%rbp)
jmp    11f0 <main+0xd0>
xor    %eax,%eax
add    $0x80,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
lea    0xef8(%rip),%rbx
mov    %rbx,%rdi
mov    $0x71,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x3d,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0xa,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0xffffffd7,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0xffffffa3,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x70,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0xfffffff5,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x3f,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0xffffffcd,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0xffffffcc,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0xffffffcc,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0xffffffcc,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0xffffffcc,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0xffffffcc,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x19,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x40,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x71,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x3d,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0xa,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0xffffffd7,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0xffffffa3,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0xfffffff0,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x50,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x40,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0xa,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0xffffffd7,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0xffffffa3,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x70,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x3d,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0xffffff8a,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x29,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x40,%esi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xd15(%rip),%rdi
xor    %eax,%eax
call   1030 <puts@plt>
lea    0xd0e(%rip),%rbx
movsd  0xcdb(%rip),%xmm0
mov    %rbx,%rdi
mov    $0x1,%al
call   1040 <printf@plt>
movsd  0xcd1(%rip),%xmm0
mov    %rbx,%rdi
mov    $0x1,%al
call   1040 <printf@plt>
movsd  0xcc7(%rip),%xmm0
mov    %rbx,%rdi
mov    $0x1,%al
call   1040 <printf@plt>
movsd  0xcbd(%rip),%xmm0
mov    %rbx,%rdi
mov    $0x1,%al
call   1040 <printf@plt>
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
@__const.main.array = [4 x double] [double 1.340000e+00, double 6.450000e+00, double 6.776000e+01, double 1.277000e+01]
@.str = [4 x i8] c"%c \00"
@.str.1 = [7 x i8] c"------\00"
@.str.2 = [5 x i8] c"%lf \00"
define i32 @main() {
%1 = alloca i32
%2 = alloca [4 x double]
%3 = alloca [32 x i8]
%4 = alloca i32
%5 = alloca [4 x double]
store i32 0, i32* %1
%6 = bitcast [4 x double]* %2 to i8*
%7 = getelementptr inbounds [32 x i8], [32 x i8]* %3, i64 0, i64 0
%8 = getelementptr inbounds [4 x double], [4 x double]* %2, i64 0, i64 0
%9 = bitcast double* %8 to i8*
store i32 0, i32* %4
store i32 0, i32* %4
br label %10
10: ; preds = %20, %0
%11 = load i32, i32* %4
%12 = icmp slt i32 %11, 32
br i1 %12, label %13, label %23
13: ; preds = %10
%14 = load i32, i32* %4
%15 = sext i32 %14 to i64
%16 = getelementptr inbounds [32 x i8], [32 x i8]* %3, i64 0, i64 %15
%17 = load i8, i8* %16
%18 = sext i8 %17 to i32
%19 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %18)
br label %20
20: ; preds = %13
%21 = load i32, i32* %4
%22 = add nsw i32 %21, 1
store i32 %22, i32* %4
br label %10
23: ; preds = %10
%24 = getelementptr inbounds [4 x double], [4 x double]* %5, i64 0, i64 0
%25 = bitcast double* %24 to i8*
%26 = getelementptr inbounds [32 x i8], [32 x i8]* %3, i64 0, i64 0
%27 = call i32 (i8*, ...) bitcast (i32 (...)* @puts to i32 (i8*, ...)*)(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.1, i64 0, i64 0))
store i32 0, i32* %4
br label %28
28: ; preds = %37, %23
%29 = load i32, i32* %4
%30 = icmp slt i32 %29, 4
br i1 %30, label %31, label %40
31: ; preds = %28
%32 = load i32, i32* %4
%33 = sext i32 %32 to i64
%34 = getelementptr inbounds [4 x double], [4 x double]* %5, i64 0, i64 %33
%35 = load double, double* %34
%36 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0), double %35)
br label %37
37: ; preds = %31
%38 = load i32, i32* %4
%39 = add nsw i32 %38, 1
store i32 %39, i32* %4
br label %28
40: ; preds = %28
ret i32 0
}

LLVM IR (-O2):
@.str = [4 x i8] c"%c \00"
@.str.1 = [7 x i8] c"------\00"
@.str.2 = [5 x i8] c"%lf \00"
define i32 @main() {
%1 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 113)
%2 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 61)
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 10)
%4 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 -41)
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 -93)
%6 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 112)
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 -11)
%8 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 63)
%9 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 -51)
%10 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 -52)
%11 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 -52)
%12 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 -52)
%13 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 -52)
%14 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 -52)
%15 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 25)
%16 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 64)
%17 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 113)
%18 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 61)
%19 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 10)
%20 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 -41)
%21 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 -93)
%22 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 -16)
%23 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 80)
%24 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 64)
%25 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 10)
%26 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 -41)
%27 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 -93)
%28 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 112)
%29 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 61)
%30 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 -118)
%31 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 41)
%32 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 64)
%33 = tail call i32 (i8*, ...) bitcast (i32 (...)* @puts to i32 (i8*, ...)*)(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.1, i64 0, i64 0))
%34 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0), double 1.340000e+00)
%35 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0), double 6.450000e+00)
%36 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0), double 6.776000e+01)
%37 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0), double 1.277000e+01)
ret i32 0
}