diff options
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-04-13 09:22:33 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-04-13 09:22:33 +0000 |
| commit | 799c82e479f907242f9fb3652b9fc4d6416c37be (patch) | |
| tree | 0a1f0333f72836b96fc30978fb3689b7b2fdbddd | |
| parent | c5b752835d24a5bc1efff427346ad3dcfb21b472 (diff) | |
| download | gcc-799c82e479f907242f9fb3652b9fc4d6416c37be.tar.gz | |
2012-04-13 Richard Guenther <rguenther@suse.de>
PR c/52862
* convert.c (convert_to_pointer): Remove special-casing of
zero.
* gcc.dg/pr52862.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@186407 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/convert.c | 5 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr52862.c | 9 |
4 files changed, 20 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 4b688ea43ae..d161985b518 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2012-04-13 Richard Guenther <rguenther@suse.de> + + PR c/52862 + * convert.c (convert_to_pointer): Remove special-casing of + zero. + 2012-04-13 Joey Ye <joey.ye@arm.com> * config/arm/constraints.md (Pe): New constraint. diff --git a/gcc/convert.c b/gcc/convert.c index dc9b7f29ea4..8ff2e9a825a 100644 --- a/gcc/convert.c +++ b/gcc/convert.c @@ -44,11 +44,6 @@ convert_to_pointer (tree type, tree expr) if (TREE_TYPE (expr) == type) return expr; - /* Propagate overflow to the NULL pointer. */ - if (integer_zerop (expr)) - return force_fit_type_double (type, double_int_zero, 0, - TREE_OVERFLOW (expr)); - switch (TREE_CODE (TREE_TYPE (expr))) { case POINTER_TYPE: diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 2884b939555..23608c58065 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2012-04-13 Richard Guenther <rguenther@suse.de> + + PR c/52862 + * gcc.dg/pr52862.c: New testcase. + 2012-04-13 Joey Ye <joey.ye@arm.com> * gcc.target/arm/thumb1-imm.c: New testcase. diff --git a/gcc/testsuite/gcc.dg/pr52862.c b/gcc/testsuite/gcc.dg/pr52862.c new file mode 100644 index 00000000000..febe7a8289b --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr52862.c @@ -0,0 +1,9 @@ +/* { dg-do compile } */ +/* { dg-options "-O" } */ + +void ASMAtomicWritePtrVoid(const void *pv); +void rtThreadDestroy(void) +{ + void * const pvTypeChecked = ((void *)0); + ASMAtomicWritePtrVoid((void *)(pvTypeChecked)); +} |