Mercurial > hg > CbC > CbC_gcc
diff gcc/testsuite/gcc.dg/pr27531-1.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/gcc.dg/pr27531-1.c Fri Oct 27 22:46:09 2017 +0900 @@ -0,0 +1,116 @@ +/* PR target/27531 */ +/* This test case stressed the register allocator into reloading a LABEL_REF + on sparc, but didn't add a REG_LABEL note, ultimately causing the assembly + output to reference a label that had been eliminated. */ +/* { dg-do link } */ +/* { dg-options "-O2" } */ +/* { dg-skip-if "requires io" { freestanding } } */ + +typedef struct _IO_FILE FILE; +char const *RCSname; +void *Locks; +void * Head; +struct Revpairs{ + struct Revpairs * rnext; +}; +extern char *strchr(const char *s, int c); +extern int fprintf(FILE *, const char *format, ...); +static void getrevpairs (char*); +static int branchflag; +static struct Revpairs *revlist, *Revlst; + +extern int warn(const char *msg, char *argv); +extern int error(const char *msg, int c, char *argv); +extern int recentdate(void *foo, void *bar); + +char *t; +int main (int argc, char **argv) +{ + FILE *out; + char *a, **newargv; + void *currdate; + int descflag, selectflag; + int onlylockflag; + int onlyRCSflag; + int shownames; + descflag = selectflag = shownames = 1; + onlylockflag = onlyRCSflag = 0; + while (a = *++argv, 0<--argc) + { + switch (*a++) + { + case 'L': + onlylockflag = 1; + case 'N': + shownames = 0; + case 'R': + t = a; + case 'b': + branchflag = 1; + case 'r': + getrevpairs(a); + } + if (onlylockflag && !Locks) + fprintf(out, "%s\n", RCSname); + if (shownames) + while( currdate) + recentdate(Head, currdate); + } +} +void getrevpairs(char *argv) +{ + char c; + struct Revpairs * nextrevpair; + int separator; + if (strchr(argv,':')) + separator = ':'; + else + { + if (strchr(argv,'-') ) + warn("`-' is obsolete in `-r%s'; use `:' instead", argv); + separator = '-'; + } + for (;;) + { + nextrevpair->rnext = revlist; + for (;; c = *++argv) + { + switch (c) + { + default: + continue; + case ' ': + case '\t': + case '\n': + break; + case ':': + case '-': + if (c == separator) + continue; + } + break; + } + if (!c) + break; + error("missing `,' near `%c%s'", c, argv+1); + } +} + +int warn(const char *msg, char *argv) +{ + t = 0; /* this function needs side-effects. */ + return 0; +} + +int error(const char *msg, int c, char *argv) +{ + t = 0; /* this function needs side-effects. */ + return 0; +} + +int recentdate(void *foo, void *bar) +{ + t = 0; /* this function needs side-effects. */ + return 0; +} +