OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.c-torture/] [execute/] [pr23135.c] - Blame information for rev 825

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 149 jeremybenn
/* Based on execute/simd-1.c, modifed by joern.rennecke@st.com to
2
   trigger a reload bug.  Verified for gcc mainline from 20050722 13:00 UTC
3
   for sh-elf -m4 -O2.  */
4
#ifndef STACK_SIZE
5
#define STACK_SIZE (256*1024)
6
#endif
7
 
8
typedef struct { char c[STACK_SIZE/2]; } big_t;
9
 
10
typedef int __attribute__((vector_size (8))) vecint;
11
typedef int __attribute__((mode(SI))) siint;
12
 
13
vecint i = { 150, 100 };
14
vecint j = { 10, 13 };
15
vecint k;
16
 
17
union {
18
  vecint v;
19
  siint i[2];
20
} res;
21
 
22
void
23
verify (siint a1, siint a2, siint b1, siint b2, big_t big)
24
{
25
  if (a1 != b1
26
      || a2 != b2)
27
    abort ();
28
}
29
 
30
int
31
main ()
32
{
33
  big_t big;
34
  vecint k0, k1, k2, k3, k4, k5, k6, k7;
35
 
36
  k0 = i + j;
37
  res.v = k0;
38
 
39
  verify (res.i[0], res.i[1], 160, 113, big);
40
 
41
  k1 = i * j;
42
  res.v = k1;
43
 
44
  verify (res.i[0], res.i[1], 1500, 1300, big);
45
 
46
  k2 = i / j;
47
/* This is the observed failure - reload 0 has the wrong type and thus the
48
   conflict with reload 1 is missed:
49
 
50
(insn:HI 94 92 96 1 pr23135.c:46 (parallel [
51
            (set (subreg:SI (reg:DI 253) 0)
52
                (div:SI (reg:SI 4 r4)
53
                    (reg:SI 5 r5)))
54
            (clobber (reg:SI 146 pr))
55
            (clobber (reg:DF 64 fr0))
56
            (clobber (reg:DF 66 fr2))
57
            (use (reg:PSI 151 ))
58
            (use (reg/f:SI 256))
59
        ]) 60 {divsi3_i4} (insn_list:REG_DEP_TRUE 90 (insn_list:REG_DEP_TRUE 89
60
(insn_list:REG_DEP_TRUE 42 (insn_list:REG_DEP_TRUE 83 (insn_list:REG_DEP_TRUE 92
61
 (insn_list:REG_DEP_TRUE 91 (nil)))))))
62
    (expr_list:REG_DEAD (reg:SI 4 r4)
63
        (expr_list:REG_DEAD (reg:SI 5 r5)
64
            (expr_list:REG_UNUSED (reg:DF 66 fr2)
65
                (expr_list:REG_UNUSED (reg:DF 64 fr0)
66
                    (expr_list:REG_UNUSED (reg:SI 146 pr)
67
                        (insn_list:REG_RETVAL 91 (nil))))))))
68
 
69
Reloads for insn # 94
70
Reload 0: reload_in (SI) = (plus:SI (reg/f:SI 14 r14)
71
                                                    (const_int 64 [0x40]))
72
        GENERAL_REGS, RELOAD_FOR_OUTADDR_ADDRESS (opnum = 0)
73
        reload_in_reg: (plus:SI (reg/f:SI 14 r14)
74
                                                    (const_int 64 [0x40]))
75
        reload_reg_rtx: (reg:SI 3 r3)
76
Reload 1: GENERAL_REGS, RELOAD_FOR_OUTPUT_ADDRESS (opnum = 0), can't combine, se
77
condary_reload_p
78
        reload_reg_rtx: (reg:SI 3 r3)
79
Reload 2: reload_out (SI) = (mem:SI (plus:SI (plus:SI (reg/f:SI 14 r14)
80
                                                            (const_int 64 [0x40]))
81
                                                        (const_int 28 [0x1c])) [ 16 S8 A32])
82
        FPUL_REGS, RELOAD_FOR_OUTPUT (opnum = 0)
83
        reload_out_reg: (subreg:SI (reg:DI 253) 0)
84
        reload_reg_rtx: (reg:SI 150 fpul)
85
        secondary_out_reload = 1
86
 
87
Reload 3: reload_in (SI) = (symbol_ref:SI ("__sdivsi3_i4") [flags 0x1])
88
        GENERAL_REGS, RELOAD_FOR_INPUT (opnum = 1), can't combine
89
        reload_in_reg: (reg/f:SI 256)
90
        reload_reg_rtx: (reg:SI 3 r3)
91
  */
92
 
93
 
94
  res.v = k2;
95
 
96
  verify (res.i[0], res.i[1], 15, 7, big);
97
 
98
  k3 = i & j;
99
  res.v = k3;
100
 
101
  verify (res.i[0], res.i[1], 2, 4, big);
102
 
103
  k4 = i | j;
104
  res.v = k4;
105
 
106
  verify (res.i[0], res.i[1], 158, 109, big);
107
 
108
  k5 = i ^ j;
109
  res.v = k5;
110
 
111
  verify (res.i[0], res.i[1], 156, 105, big);
112
 
113
  k6 = -i;
114
  res.v = k6;
115
  verify (res.i[0], res.i[1], -150, -100, big);
116
 
117
  k7 = ~i;
118
  res.v = k7;
119
  verify (res.i[0], res.i[1], -151, -101, big);
120
 
121
  k = k0 + k1 + k3 + k4 + k5 + k6 + k7;
122
  res.v = k;
123
  verify (res.i[0], res.i[1], 1675, 1430, big);
124
 
125
  k = k0 * k1 * k3 * k4 * k5 * k6 * k7;
126
  res.v = k;
127
  verify (res.i[0], res.i[1], 1456467968, -1579586240, big);
128
 
129
  k = k0 / k1 / k2 / k3 / k4 / k5 / k6 / k7;
130
  res.v = k;
131
  verify (res.i[0], res.i[1], 0, 0, big);
132
 
133
  exit (0);
134
}

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.