From ab37ef4cd06dae81792cea537d919adb81ca0e9c Mon Sep 17 00:00:00 2001 From: Richard Guenther Date: Fri, 19 Aug 2011 12:30:36 +0000 Subject: [PATCH] pr50067-1.c: New testcase. 2011-08-19 Richard Guenther * gcc.dg/torture/pr50067-1.c: New testcase. * gcc.dg/torture/pr50067-2.c: Likewise. From-SVN: r177896 --- gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/gcc.dg/torture/pr50067-1.c | 18 ++++++++++++++++++ gcc/testsuite/gcc.dg/torture/pr50067-2.c | 20 ++++++++++++++++++++ 3 files changed, 43 insertions(+) create mode 100644 gcc/testsuite/gcc.dg/torture/pr50067-1.c create mode 100644 gcc/testsuite/gcc.dg/torture/pr50067-2.c diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 0cadc3ccb7d..50776336b74 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2011-08-19 Richard Guenther + + * gcc.dg/torture/pr50067-1.c: New testcase. + * gcc.dg/torture/pr50067-2.c: Likewise. + 2011-08-19 Joey Ye PR target/49437 diff --git a/gcc/testsuite/gcc.dg/torture/pr50067-1.c b/gcc/testsuite/gcc.dg/torture/pr50067-1.c new file mode 100644 index 00000000000..8f72d26d713 --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/pr50067-1.c @@ -0,0 +1,18 @@ +/* { dg-do run } */ + +/* Make sure data-dependence analysis does not compute a bogus + distance vector for the different sized accesses. */ + +extern int memcmp(const void *, const void *, __SIZE_TYPE__); +extern void abort (void); +short a[32] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 }; +short b[32] = { 4, 0, 5, 0, 6, 0, 7, 0, 8, 0, }; +int main() +{ + int i; + for (i = 0; i < 32; ++i) + (*((unsigned short(*)[32])&a[0]))[i] = (*((char(*)[32])&a[0]))[i+8]; + if (memcmp (&a, &b, sizeof (a)) != 0) + abort (); + return 0; +} diff --git a/gcc/testsuite/gcc.dg/torture/pr50067-2.c b/gcc/testsuite/gcc.dg/torture/pr50067-2.c new file mode 100644 index 00000000000..ee9fbb904c1 --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/pr50067-2.c @@ -0,0 +1,20 @@ +/* { dg-do run } */ + +/* Make sure data-dependence analysis does not compute a bogus + distance vector for the different sized accesses. */ + +extern int memcmp(const void *, const void *, __SIZE_TYPE__); +extern void abort (void); +short a[32] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 }; +short b[32] = { 4, 0, 5, 0, 6, 0, 7, 0, 8, 0, }; +int main() +{ + int i; + for (i = 0; i < 32; ++i) + { + a[i] = (*((char(*)[32])&a[0]))[i+8]; + } + if (memcmp (&a, &b, sizeof (a)) != 0) + abort (); + return 0; +} -- 2.30.2