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comparison gcc/testsuite/gcc.dg/pr27531-1.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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68:561a7518be6b 111:04ced10e8804
1 /* PR target/27531 */
2 /* This test case stressed the register allocator into reloading a LABEL_REF
3 on sparc, but didn't add a REG_LABEL note, ultimately causing the assembly
4 output to reference a label that had been eliminated. */
5 /* { dg-do link } */
6 /* { dg-options "-O2" } */
7 /* { dg-skip-if "requires io" { freestanding } } */
8
9 typedef struct _IO_FILE FILE;
10 char const *RCSname;
11 void *Locks;
12 void * Head;
13 struct Revpairs{
14 struct Revpairs * rnext;
15 };
16 extern char *strchr(const char *s, int c);
17 extern int fprintf(FILE *, const char *format, ...);
18 static void getrevpairs (char*);
19 static int branchflag;
20 static struct Revpairs *revlist, *Revlst;
21
22 extern int warn(const char *msg, char *argv);
23 extern int error(const char *msg, int c, char *argv);
24 extern int recentdate(void *foo, void *bar);
25
26 char *t;
27 int main (int argc, char **argv)
28 {
29 FILE *out;
30 char *a, **newargv;
31 void *currdate;
32 int descflag, selectflag;
33 int onlylockflag;
34 int onlyRCSflag;
35 int shownames;
36 descflag = selectflag = shownames = 1;
37 onlylockflag = onlyRCSflag = 0;
38 while (a = *++argv, 0<--argc)
39 {
40 switch (*a++)
41 {
42 case 'L':
43 onlylockflag = 1;
44 case 'N':
45 shownames = 0;
46 case 'R':
47 t = a;
48 case 'b':
49 branchflag = 1;
50 case 'r':
51 getrevpairs(a);
52 }
53 if (onlylockflag && !Locks)
54 fprintf(out, "%s\n", RCSname);
55 if (shownames)
56 while( currdate)
57 recentdate(Head, currdate);
58 }
59 }
60 void getrevpairs(char *argv)
61 {
62 char c;
63 struct Revpairs * nextrevpair;
64 int separator;
65 if (strchr(argv,':'))
66 separator = ':';
67 else
68 {
69 if (strchr(argv,'-') )
70 warn("`-' is obsolete in `-r%s'; use `:' instead", argv);
71 separator = '-';
72 }
73 for (;;)
74 {
75 nextrevpair->rnext = revlist;
76 for (;; c = *++argv)
77 {
78 switch (c)
79 {
80 default:
81 continue;
82 case ' ':
83 case '\t':
84 case '\n':
85 break;
86 case ':':
87 case '-':
88 if (c == separator)
89 continue;
90 }
91 break;
92 }
93 if (!c)
94 break;
95 error("missing `,' near `%c%s'", c, argv+1);
96 }
97 }
98
99 int warn(const char *msg, char *argv)
100 {
101 t = 0; /* this function needs side-effects. */
102 return 0;
103 }
104
105 int error(const char *msg, int c, char *argv)
106 {
107 t = 0; /* this function needs side-effects. */
108 return 0;
109 }
110
111 int recentdate(void *foo, void *bar)
112 {
113 t = 0; /* this function needs side-effects. */
114 return 0;
115 }
116