diff options
Diffstat (limited to 'gcc/gcc-3.3.3/pr10392-1-test.patch')
| -rw-r--r-- | gcc/gcc-3.3.3/pr10392-1-test.patch | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/gcc/gcc-3.3.3/pr10392-1-test.patch b/gcc/gcc-3.3.3/pr10392-1-test.patch index e69de29bb2..e94c8b9b9b 100644 --- a/gcc/gcc-3.3.3/pr10392-1-test.patch +++ b/gcc/gcc-3.3.3/pr10392-1-test.patch @@ -0,0 +1,65 @@ +--- /dev/null Sat Dec 14 13:56:51 2002 ++++ gcc-3.3.1/gcc/testsuite/gcc.dg/pr10392-1.c Sun Sep 14 14:28:24 2003 +@@ -0,0 +1,62 @@ ++/* PR optimization/10392 ++ * Reporter: marcus@mc.pp.se ++ * Summary: [3.3/3.4 regression] [SH] optimizer generates faulty array indexing ++ * Description: ++ * The address calculation of an index operation on an array on the stack ++ * can _under some conditions_ get messed up completely ++ * ++ * Testcase tweaked by dank@kegel.com ++ * Problem only happens with -O2 -m4, so it should only happen on sh4, ++ * but what the heck, let's test other architectures, too. ++ * Not marked as xfail since it's a regression. ++*/ ++/* { dg-do run } */ ++/* { dg-options "-O2" } */ ++/* { dg-options "-O2 -m4" { target sh4-*-* } } */ ++const char *dont_optimize_function_away; ++ ++const char *use(const char *str) ++{ ++ dont_optimize_function_away = str; ++ if (str[0] != 'v') ++ abort(); ++ if (str[1] < '1' || str[1] > '6') ++ abort(); ++ if (str[2]) ++ abort(); ++ return str[2] ? "notused" : "v6"; ++} ++ ++const char *func(char *a, char *b) ++{ ++ char buf[128]; ++ unsigned char i; ++ const char *result; ++ ++ char *item[] = { ++ "v1", ++ "v2", ++ }; ++ ++ buf[0] = 'v'; ++ buf[1] = '3'; ++ buf[2] = 0; ++ ++ for (i = 0; i < 2; i++) { ++ /* bug is: following line passes wild pointer to use() on sh4 -O2 */ ++ result = use(item[i]); ++ ++ use(buf); ++ use(a); ++ use(b); ++ result = use(result); ++ } ++ return result; ++} ++ ++int main() ++{ ++ func("v4", "v5"); ++ return 0; ++} ++ |