1 /* PR rtl-optimization/91347 */
2 /* Reported by John David Anglin <danglin@gcc.gnu.org> */
3 /* { dg-require-effective-target int32plus } */
4 
5 typedef unsigned short __u16;
6 typedef __signed__ int __s32;
7 typedef unsigned int __u32;
8 typedef __signed__ long long __s64;
9 typedef unsigned long long __u64;
10 typedef __u16 u16;
11 typedef __s32 s32;
12 typedef __u32 u32;
13 typedef __u64 u64;
14 typedef _Bool bool;
15 typedef s32 int32_t;
16 typedef u32 uint32_t;
17 typedef u64 uint64_t;
18 
19 char hex_asc_upper[16];
20 u16 decpair[100];
21 
22 static __attribute__ ((noipa)) void
put_dec_full4(char * buf,unsigned r)23 put_dec_full4 (char *buf, unsigned r)
24 {
25  unsigned q;
26  q = (r * 0x147b) >> 19;
27  *((u16 *)buf) = decpair[r - 100*q];
28  buf += 2;
29  *((u16 *)buf) = decpair[q];
30 }
31 
32 static __attribute__ ((noipa)) unsigned
put_dec_helper4(char * buf,unsigned x)33 put_dec_helper4 (char *buf, unsigned x)
34 {
35   uint32_t q = (x * (uint64_t)0x346DC5D7) >> 43;
36   put_dec_full4(buf, x - q * 10000);
37   return q;
38 }
39 
40 static __attribute__ ((noipa)) char *
put_dec(char * buf,unsigned long long n)41 put_dec (char *buf, unsigned long long n)
42 {
43  uint32_t d3, d2, d1, q, h;
44  d1 = ((uint32_t)n >> 16);
45  h = (n >> 32);
46  d2 = (h ) & 0xffff;
47  d3 = (h >> 16);
48  q = 656 * d3 + 7296 * d2 + 5536 * d1 + ((uint32_t)n & 0xffff);
49  q = put_dec_helper4(buf, q);
50  q += 7671 * d3 + 9496 * d2 + 6 * d1;
51  q = put_dec_helper4(buf+4, q);
52  q += 4749 * d3 + 42 * d2;
53  q = put_dec_helper4(buf+8, q);
54  return buf;
55 }
56 
57 struct printf_spec {
58  unsigned int type:8;
59  signed int field_width:24;
60  unsigned int flags:8;
61  unsigned int base:8;
62  signed int precision:16;
63 } __attribute__((__packed__));
64 
65 static __attribute__ ((noipa)) char *
number(char * buf,char * end,unsigned long long num,struct printf_spec spec)66 number (char *buf, char *end, unsigned long long num, struct printf_spec spec)
67 {
68 
69  char tmp[3 * sizeof(num)] __attribute__((__aligned__(2)));
70  char sign;
71  char locase;
72  int need_pfx = ((spec.flags & 64) && spec.base != 10);
73  int i;
74  bool is_zero = num == 0LL;
75  int field_width = spec.field_width;
76  int precision = spec.precision;
77 
78  i = 0;
79  if (num < spec.base)
80   tmp[i++] = hex_asc_upper[num] | locase;
81  else if (spec.base != 10) {
82   int mask = spec.base - 1;
83   int shift = 3;
84   if (spec.base == 16)
85    shift = 4;
86   else
87     __builtin_abort ();
88   do {
89    tmp[i++] = (hex_asc_upper[((unsigned char)num) & mask] | locase);
90    num >>= shift;
91   } while (num);
92  } else {
93   i = put_dec(tmp, num) - tmp;
94  }
95  return buf;
96 }
97 
98 static __attribute__ ((noipa)) char *
pointer_string(char * buf,char * end,const void * ptr,struct printf_spec spec)99 pointer_string (char *buf, char *end, const void *ptr, struct printf_spec spec)
100 {
101  spec.base = 16;
102  spec.flags = 0;
103  return number(buf, end, 100, spec);
104 }
105 
106 int
main(void)107 main (void)
108 {
109   struct printf_spec spec;
110   char *s = pointer_string (0, 0, 0, spec);
111   return 0;
112 }
113