// File: /workspace/github_cpp_makefile_star2_O1/karel-brinda[P]ococo/ext/htslib/cram/cram_io.c
// Function: itf8_decode
int itf8_decode(cram_fd *fd, int32_t *val_p) {
    static int nbytes[16] = {
	0,0,0,0, 0,0,0,0,                               // 0000xxxx - 0111xxxx
	1,1,1,1,                                        // 1000xxxx - 1011xxxx
	2,2,                                            // 1100xxxx - 1101xxxx
	3,                                              // 1110xxxx
	4,                                              // 1111xxxx
    };

    static int nbits[16] = {
	0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, // 0000xxxx - 0111xxxx
	0x3f, 0x3f, 0x3f, 0x3f,                         // 1000xxxx - 1011xxxx
	0x1f, 0x1f,                                     // 1100xxxx - 1101xxxx
	0x0f,                                           // 1110xxxx
	0x0f,                                           // 1111xxxx
    };

    int32_t val = hgetc(fd->fp);
    if (val == -1)
	return -1;

    int i = nbytes[val>>4];
    val &= nbits[val>>4];

    switch(i) {
    case 0:
	*val_p = val;
	return 1;

    case 1:
	val = (val<<8) | (unsigned char)hgetc(fd->fp);
	*val_p = val;
	return 2;

    case 2:
	val = (val<<8) | (unsigned char)hgetc(fd->fp);
	val = (val<<8) | (unsigned char)hgetc(fd->fp);
	*val_p = val;
	return 3;

    case 3:
	val = (val<<8) | (unsigned char)hgetc(fd->fp);
	val = (val<<8) | (unsigned char)hgetc(fd->fp);
	val = (val<<8) | (unsigned char)hgetc(fd->fp);
	*val_p = val;
	return 4;

    case 4: // really 3.5 more, why make it different?
	val = (val<<8) | (unsigned char)hgetc(fd->fp);
	val = (val<<8) | (unsigned char)hgetc(fd->fp);
	val = (val<<8) | (unsigned char)hgetc(fd->fp);
	val = (val<<4) | (((unsigned char)hgetc(fd->fp)) & 0x0f);
	*val_p = val;
    }

    return 5;
}

// Assembly:
pushq %rbp
pushq %r15
pushq %r14
pushq %r12
pushq %rbx
movq %rsi, %rbx
movq %rdi, %r14
movq (%rdi), %rdi
movq 0x8(%rdi), %rax
cmpq %rax, 0x10(%rdi)
jbe 0x30768
leaq 0x1(%rax), %rcx
movq %rcx, 0x8(%rdi)
movzbl (%rax), %ebp
jmp 0x3076f
callq 0x4805a
movl %eax, %ebp
cmpl $-0x1, %ebp
je 0x307b4
movl %ebp, %eax
sarl $0x4, %eax
movslq %eax, %rcx
leaq 0x23efd(%rip), %rax     # 0x54680
movl (%rax,%rcx,4), %eax
cmpq $0x4, %rax
ja 0x3083e
leaq 0x23f29(%rip), %rdx     # 0x546c0
andl (%rdx,%rcx,4), %ebp
leaq 0x23e4f(%rip), %rcx     # 0x545f0
movslq (%rcx,%rax,4), %rax
addq %rcx, %rax
jmpq *%rax
movl $0x1, %eax
jmp 0x30992
movl $0xffffffff, %eax       # imm = 0xFFFFFFFF
jmp 0x30994
movq (%r14), %rdi
movq 0x8(%rdi), %rax
cmpq %rax, 0x10(%rdi)
jbe 0x30848
leaq 0x1(%rax), %rcx
movq %rcx, 0x8(%rdi)
movzbl (%rax), %eax
jmp 0x3084d
movq (%r14), %rdi
movq 0x8(%rdi), %rax
cmpq %rax, 0x10(%rdi)
jbe 0x308dd
leaq 0x1(%rax), %rcx
movq %rcx, 0x8(%rdi)
movzbl (%rax), %eax
jmp 0x308e2
movq (%r14), %rdi
movq 0x8(%rdi), %rax
cmpq %rax, 0x10(%rdi)
jbe 0x3091b
leaq 0x1(%rax), %rcx
movq %rcx, 0x8(%rdi)
movzbl (%rax), %eax
jmp 0x30920
shll $0x8, %ebp
movq (%r14), %rdi
movq 0x8(%rdi), %rax
cmpq %rax, 0x10(%rdi)
jbe 0x30983
leaq 0x1(%rax), %rcx
movq %rcx, 0x8(%rdi)
movzbl (%rax), %eax
jmp 0x30988
movl $0x5, %eax
jmp 0x30994
callq 0x4805a
shll $0x10, %ebp
shll $0x8, %eax
movzwl %ax, %r15d
orl %ebp, %r15d
movq (%r14), %rdi
movq 0x8(%rdi), %rax
cmpq %rax, 0x10(%rdi)
jbe 0x30874
leaq 0x1(%rax), %rcx
movq %rcx, 0x8(%rdi)
movzbl (%rax), %eax
jmp 0x30879
callq 0x4805a
movzbl %al, %ebp
orl %r15d, %ebp
movq (%r14), %rdi
movq 0x8(%rdi), %rax
cmpq %rax, 0x10(%rdi)
jbe 0x30899
leaq 0x1(%rax), %rcx
movq %rcx, 0x8(%rdi)
movzbl (%rax), %eax
jmp 0x3089e
callq 0x4805a
shll $0xc, %ebp
movzbl %al, %r15d
shll $0x4, %r15d
orl %ebp, %r15d
movq (%r14), %rdi
movq 0x8(%rdi), %rax
cmpq %rax, 0x10(%rdi)
jbe 0x308c6
leaq 0x1(%rax), %rcx
movq %rcx, 0x8(%rdi)
movzbl (%rax), %ebp
jmp 0x308cd
callq 0x4805a
movl %eax, %ebp
andl $0xf, %ebp
orl %r15d, %ebp
movl $0x5, %eax
jmp 0x30992
callq 0x4805a
shll $0x10, %ebp
shll $0x8, %eax
movzwl %ax, %r15d
orl %ebp, %r15d
movq (%r14), %rdi
movq 0x8(%rdi), %rax
cmpq %rax, 0x10(%rdi)
jbe 0x30909
leaq 0x1(%rax), %rcx
movq %rcx, 0x8(%rdi)
movzbl (%rax), %eax
jmp 0x3090e
callq 0x4805a
movzbl %al, %ebp
orl %r15d, %ebp
movl $0x3, %eax
jmp 0x30992
callq 0x4805a
shll $0x10, %ebp
shll $0x8, %eax
movzwl %ax, %r12d
orl %ebp, %r12d
movq (%r14), %rdi
movq 0x8(%rdi), %rax
cmpq %rax, 0x10(%rdi)
jbe 0x30947
leaq 0x1(%rax), %rcx
movq %rcx, 0x8(%rdi)
movzbl (%rax), %eax
jmp 0x3094c
callq 0x4805a
movzbl %al, %r15d
orl %r12d, %r15d
shll $0x8, %r15d
movq (%r14), %rdi
movq 0x8(%rdi), %rax
cmpq %rax, 0x10(%rdi)
jbe 0x30971
leaq 0x1(%rax), %rcx
movq %rcx, 0x8(%rdi)
movzbl (%rax), %eax
jmp 0x30976
callq 0x4805a
movzbl %al, %ebp
orl %r15d, %ebp
movl $0x4, %eax
jmp 0x30992
callq 0x4805a
movzbl %al, %eax
orl %eax, %ebp
movl $0x2, %eax
movl %ebp, (%rbx)
popq %rbx
popq %r12
popq %r14
popq %r15
popq %rbp
retq