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authorMichael Meissner <meissner@linux.vnet.ibm.com>2011-03-21 16:21:30 +0000
committerMichael Meissner <meissner@gcc.gnu.org>2011-03-21 16:21:30 +0000
commitf3c33d9dc88ca9b2452a9ea3d42d9a6363b66663 (patch)
treea11038042e07218234e45c1da1c876bdbdf8c2d5 /libcpp
parentac43f774369194320ba2368b21550d4aa5ca97b9 (diff)
downloadgcc-f3c33d9dc88ca9b2452a9ea3d42d9a6363b66663.tar.gz
Make UNSPEC/UNSPECV constants use the enum; Fix 48192; Add test case for 48053
From-SVN: r171247
Diffstat (limited to 'libcpp')
-rw-r--r--libcpp/ChangeLog8
-rw-r--r--libcpp/directives.c14
-rw-r--r--libcpp/expr.c7
3 files changed, 26 insertions, 3 deletions
diff --git a/libcpp/ChangeLog b/libcpp/ChangeLog
index 6ef4788d99a..c08e6fe139b 100644
--- a/libcpp/ChangeLog
+++ b/libcpp/ChangeLog
@@ -1,3 +1,11 @@
+2011-03-21 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ PR preprocessor/48192
+ * directives.c (do_ifdef): Do not consider conditional macros as
+ being defined.
+ (do_ifndef): Ditto.
+ * expr.c (parse_defined): Ditto.
+
2011-03-18 Richard Henderson <rth@redhat.com>
PR bootstrap/45381
diff --git a/libcpp/directives.c b/libcpp/directives.c
index 85a17b146c2..f244ae5b5b2 100644
--- a/libcpp/directives.c
+++ b/libcpp/directives.c
@@ -1819,7 +1819,12 @@ do_ifdef (cpp_reader *pfile)
if (node)
{
- skip = node->type != NT_MACRO;
+ /* Do not treat conditional macros as being defined. This is due to
+ the powerpc and spu ports using conditional macros for 'vector',
+ 'bool', and 'pixel' to act as conditional keywords. This messes
+ up tests like #ifndef bool. */
+ skip = (node->type != NT_MACRO
+ || ((node->flags & NODE_CONDITIONAL) != 0));
_cpp_mark_macro_used (node);
if (!(node->flags & NODE_USED))
{
@@ -1860,7 +1865,12 @@ do_ifndef (cpp_reader *pfile)
if (node)
{
- skip = node->type == NT_MACRO;
+ /* Do not treat conditional macros as being defined. This is due to
+ the powerpc and spu ports using conditional macros for 'vector',
+ 'bool', and 'pixel' to act as conditional keywords. This messes
+ up tests like #ifndef bool. */
+ skip = (node->type == NT_MACRO
+ && ((node->flags & NODE_CONDITIONAL) == 0));
_cpp_mark_macro_used (node);
if (!(node->flags & NODE_USED))
{
diff --git a/libcpp/expr.c b/libcpp/expr.c
index d2fec2a56a6..3c36127b54f 100644
--- a/libcpp/expr.c
+++ b/libcpp/expr.c
@@ -720,10 +720,15 @@ parse_defined (cpp_reader *pfile)
pfile->state.prevent_expansion--;
+ /* Do not treat conditional macros as being defined. This is due to the
+ powerpc and spu ports using conditional macros for 'vector', 'bool', and
+ 'pixel' to act as conditional keywords. This messes up tests like #ifndef
+ bool. */
result.unsignedp = false;
result.high = 0;
result.overflow = false;
- result.low = node && node->type == NT_MACRO;
+ result.low = (node && node->type == NT_MACRO
+ && (node->flags & NODE_CONDITIONAL) == 0);
return result;
}