From a7215b32249d0936b0ebf1ab8b4176e6a55ceb24 Mon Sep 17 00:00:00 2001 From: Alan Modra Date: Thu, 26 Sep 2002 23:05:57 +0000 Subject: [PATCH] * gcc.c-torture/execute/loop-15.c: New. From-SVN: r57557 --- gcc/testsuite/ChangeLog | 4 ++ gcc/testsuite/gcc.c-torture/execute/loop-15.c | 40 +++++++++++++++++++ 2 files changed, 44 insertions(+) create mode 100644 gcc/testsuite/gcc.c-torture/execute/loop-15.c diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index d312b01e33e..cc0a7e15719 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2002-09-27 Alan Modra + + * gcc.c-torture/execute/loop-15.c: New. + 2002-09-26 Janis Johnson * README.QMTEST: Fix typo. diff --git a/gcc/testsuite/gcc.c-torture/execute/loop-15.c b/gcc/testsuite/gcc.c-torture/execute/loop-15.c new file mode 100644 index 00000000000..8cb5125a29e --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/loop-15.c @@ -0,0 +1,40 @@ +/* Bombed with a segfault on powerpc-linux. doloop.c generated wrong + loop count. */ +void +foo (unsigned long *start, unsigned long *end) +{ + unsigned long *temp = end - 1; + + while (end > start) + *end-- = *temp--; +} + +int +main (void) +{ + unsigned long a[5]; + int start, end, k; + + for (start = 0; start < 5; start++) + for (end = 0; end < 5; end++) + { + for (k = 0; k < 5; k++) + a[k] = k; + + foo (a + start, a + end); + + for (k = 0; k <= start; k++) + if (a[k] != k) + abort (); + + for (k = start + 1; k <= end; k++) + if (a[k] != k - 1) + abort (); + + for (k = end + 1; k < 5; k++) + if (a[k] != k) + abort (); + } + + return 0; +} -- 2.30.2