#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 qu2ax(double *, double *, int);
int qu2axLoopf(float *qu, float *ax, unsigned long long n, int p) {
  int trash;
  unsigned long long j, i, iIn, iOut, qustep = 4, axstep = 4;
  double quFlt[4], axFlt[4];
#pragma omp parallel for default(shared) private(j, i, iIn, iOut, trash,       \
                                                 quFlt, axFlt)                 \
    firstprivate(qustep, axstep) schedule(static)
  for (i = 0; i < n; i++) {
    iIn = i * qustep;
    iOut = i * axstep;
    for (j = 0; j < qustep; j++) {
      quFlt[j] = (double)qu[iIn + j];
    }
    trash = qu2ax(quFlt, axFlt, p);
    for (j = 0; j < axstep; j++) {
      ax[iOut + j] = (float)axFlt[j];
    }
  }
  return 1;
}


x86 assembly (clang, -O0):
<qu2axLoopf>:
push   %rbp
mov    %rsp,%rbp
sub    $0x90,%rsp
mov    %rdi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
mov    %rdx,-0x18(%rbp)
mov    %ecx,-0x1c(%rbp)
movq   $0x4,-0x48(%rbp)
movq   $0x4,-0x50(%rbp)
movq   $0x0,-0x30(%rbp)
mov    -0x30(%rbp),%rax
cmp    -0x18(%rbp),%rax
jae    1225 <qu2axLoopf+0x115>
mov    -0x30(%rbp),%rax
imul   -0x48(%rbp),%rax
mov    %rax,-0x38(%rbp)
mov    -0x30(%rbp),%rax
imul   -0x50(%rbp),%rax
mov    %rax,-0x40(%rbp)
movq   $0x0,-0x28(%rbp)
mov    -0x28(%rbp),%rax
cmp    -0x48(%rbp),%rax
jae    11b0 <qu2axLoopf+0xa0>
mov    -0x8(%rbp),%rax
mov    -0x38(%rbp),%rcx
add    -0x28(%rbp),%rcx
movss  (%rax,%rcx,4),%xmm0
cvtss2sd %xmm0,%xmm0
mov    -0x28(%rbp),%rax
movsd  %xmm0,-0x70(%rbp,%rax,8)
mov    -0x28(%rbp),%rax
add    $0x1,%rax
mov    %rax,-0x28(%rbp)
jmp    1172 <qu2axLoopf+0x62>
lea    -0x70(%rbp),%rdi
lea    -0x90(%rbp),%rsi
mov    -0x1c(%rbp),%edx
call   1030 <qu2ax@plt>
mov    %eax,-0x20(%rbp)
movq   $0x0,-0x28(%rbp)
mov    -0x28(%rbp),%rax
cmp    -0x50(%rbp),%rax
jae    120f <qu2axLoopf+0xff>
mov    -0x28(%rbp),%rax
movsd  -0x90(%rbp,%rax,8),%xmm0
ff ff
cvtsd2ss %xmm0,%xmm0
mov    -0x10(%rbp),%rax
mov    -0x40(%rbp),%rcx
add    -0x28(%rbp),%rcx
movss  %xmm0,(%rax,%rcx,4)
mov    -0x28(%rbp),%rax
add    $0x1,%rax
mov    %rax,-0x28(%rbp)
jmp    11ce <qu2axLoopf+0xbe>
jmp    1214 <qu2axLoopf+0x104>
mov    -0x30(%rbp),%rax
add    $0x1,%rax
mov    %rax,-0x30(%rbp)
jmp    1142 <qu2axLoopf+0x32>
mov    $0x1,%eax
add    $0x90,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<qu2axLoopf>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
sub    $0x48,%rsp
test   %rdx,%rdx
je     1185 <qu2axLoopf+0x75>
mov    %ecx,%r14d
mov    %rdx,%rbx
mov    %rsi,%r15
mov    %rdi,%rbp
xor    %r12d,%r12d
mov    %rsp,%r13
cs nopw 0x0(%rax,%rax,1)
nop
cvtps2pd 0x0(%rbp,%r12,1),%xmm0
movaps %xmm0,0x20(%rsp)
cvtps2pd 0x8(%rbp,%r12,1),%xmm0
movaps %xmm0,0x30(%rsp)
lea    0x20(%rsp),%rdi
mov    %r13,%rsi
mov    %r14d,%edx
call   1030 <qu2ax@plt>
cvtpd2ps 0x10(%rsp),%xmm0
cvtpd2ps (%rsp),%xmm1
unpcklpd %xmm0,%xmm1
movupd %xmm1,(%r15,%r12,1)
add    $0x10,%r12
add    $0xffffffffffffffff,%rbx
jne    1140 <qu2axLoopf+0x30>
mov    $0x1,%eax
add    $0x48,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
define i32 @qu2axLoopf(float* %0, float* %1, i64 %2, i32 %3) {
%5 = alloca float*
%6 = alloca float*
%7 = alloca i64
%8 = alloca i32
%9 = alloca i32
%10 = alloca i64
%11 = alloca i64
%12 = alloca i64
%13 = alloca i64
%14 = alloca i64
%15 = alloca i64
%16 = alloca [4 x double]
%17 = alloca [4 x double]
store float* %0, float** %5
store float* %1, float** %6
store i64 %2, i64* %7
store i32 %3, i32* %8
store i64 4, i64* %14
store i64 4, i64* %15
store i64 0, i64* %11
br label %18
18: ; preds = %69, %4
%19 = load i64, i64* %11
%20 = load i64, i64* %7
%21 = icmp ult i64 %19, %20
br i1 %21, label %22, label %72
22: ; preds = %18
%23 = load i64, i64* %11
%24 = load i64, i64* %14
%25 = mul i64 %23, %24
store i64 %25, i64* %12
%26 = load i64, i64* %11
%27 = load i64, i64* %15
%28 = mul i64 %26, %27
store i64 %28, i64* %13
store i64 0, i64* %10
br label %29
29: ; preds = %43, %22
%30 = load i64, i64* %10
%31 = load i64, i64* %14
%32 = icmp ult i64 %30, %31
br i1 %32, label %33, label %46
33: ; preds = %29
%34 = load float*, float** %5
%35 = load i64, i64* %12
%36 = load i64, i64* %10
%37 = add i64 %35, %36
%38 = getelementptr inbounds float, float* %34, i64 %37
%39 = load float, float* %38
%40 = fpext float %39 to double
%41 = load i64, i64* %10
%42 = getelementptr inbounds [4 x double], [4 x double]* %16, i64 0, i64 %41
store double %40, double* %42
br label %43
43: ; preds = %33
%44 = load i64, i64* %10
%45 = add i64 %44, 1
store i64 %45, i64* %10
br label %29
46: ; preds = %29
%47 = getelementptr inbounds [4 x double], [4 x double]* %16, i64 0, i64 0
%48 = getelementptr inbounds [4 x double], [4 x double]* %17, i64 0, i64 0
%49 = load i32, i32* %8
%50 = call i32 @qu2ax(double* %47, double* %48, i32 %49)
store i32 %50, i32* %9
store i64 0, i64* %10
br label %51
51: ; preds = %65, %46
%52 = load i64, i64* %10
%53 = load i64, i64* %15
%54 = icmp ult i64 %52, %53
br i1 %54, label %55, label %68
55: ; preds = %51
%56 = load i64, i64* %10
%57 = getelementptr inbounds [4 x double], [4 x double]* %17, i64 0, i64 %56
%58 = load double, double* %57
%59 = fptrunc double %58 to float
%60 = load float*, float** %6
%61 = load i64, i64* %13
%62 = load i64, i64* %10
%63 = add i64 %61, %62
%64 = getelementptr inbounds float, float* %60, i64 %63
store float %59, float* %64
br label %65
65: ; preds = %55
%66 = load i64, i64* %10
%67 = add i64 %66, 1
store i64 %67, i64* %10
br label %51
68: ; preds = %51
br label %69
69: ; preds = %68
%70 = load i64, i64* %11
%71 = add i64 %70, 1
store i64 %71, i64* %11
br label %18
72: ; preds = %18
ret i32 1
}

LLVM IR (-O2):
define i32 @qu2axLoopf(float* nocapture %0, float* nocapture writeonly %1, i64 %2, i32 %3) {
%5 = alloca [4 x double]
%6 = alloca <4 x double>
%7 = bitcast [4 x double]* %5 to i8*
%8 = bitcast <4 x double>* %6 to i8*
%9 = icmp eq i64 %2, 0
br i1 %9, label %35, label %10
10: ; preds = %4
%11 = getelementptr inbounds [4 x double], [4 x double]* %5, i64 0, i64 0
%12 = getelementptr inbounds <4 x double>, <4 x double>* %6, i64 0, i64 0
%13 = getelementptr inbounds [4 x double], [4 x double]* %5, i64 0, i64 2
%14 = bitcast [4 x double]* %5 to <2 x double>*
%15 = bitcast double* %13 to <2 x double>*
br label %16
16: ; preds = %10, %16
%17 = phi i64 [ 0, %10 ], [ %33, %16 ]
%18 = shl i64 %17, 2
%19 = getelementptr inbounds float, float* %0, i64 %18
%20 = bitcast float* %19 to <2 x float>*
%21 = load <2 x float>, <2 x float>* %20
%22 = fpext <2 x float> %21 to <2 x double>
store <2 x double> %22, <2 x double>* %14
%23 = or i64 %18, 2
%24 = getelementptr inbounds float, float* %0, i64 %23
%25 = bitcast float* %24 to <2 x float>*
%26 = load <2 x float>, <2 x float>* %25
%27 = fpext <2 x float> %26 to <2 x double>
store <2 x double> %27, <2 x double>* %15
%28 = call i32 @qu2ax(double* %11, double* %12, i32 %3)
%29 = getelementptr inbounds float, float* %1, i64 %18
%30 = load <4 x double>, <4 x double>* %6
%31 = fptrunc <4 x double> %30 to <4 x float>
%32 = bitcast float* %29 to <4 x float>*
store <4 x float> %31, <4 x float>* %32
%33 = add nuw i64 %17, 1
%34 = icmp eq i64 %33, %2
br i1 %34, label %35, label %16
35: ; preds = %16, %4
ret i32 1
}