diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e9e1852cc59..bfc80885f68 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,12 @@
+2000-03-14  Greg McGary  <gkm@gnu.org>
+
+	* c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
+	* c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
+	* c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
+	__ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
+	__unbounded, __unbounded__): New keywords.
+	* c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
+
 2000-03-14  Bernd Schmidt  <bernds@cygnus.co.uk>
 
 	* cselib.h: New file.
diff --git a/gcc/c-lex.c b/gcc/c-lex.c
index 6597ffc2895..2f8a8403d69 100644
--- a/gcc/c-lex.c
+++ b/gcc/c-lex.c
@@ -305,6 +305,8 @@ init_lex ()
   ridpointers[(int) RID_CONST] = get_identifier ("const");
   ridpointers[(int) RID_RESTRICT] = get_identifier ("restrict");
   ridpointers[(int) RID_VOLATILE] = get_identifier ("volatile");
+  ridpointers[(int) RID_BOUNDED] = get_identifier ("__bounded");
+  ridpointers[(int) RID_UNBOUNDED] = get_identifier ("__unbounded");
   ridpointers[(int) RID_AUTO] = get_identifier ("auto");
   ridpointers[(int) RID_STATIC] = get_identifier ("static");
   ridpointers[(int) RID_EXTERN] = get_identifier ("extern");
diff --git a/gcc/c-lex.h b/gcc/c-lex.h
index 811ca9b9bb8..c1e25cb4a52 100644
--- a/gcc/c-lex.h
+++ b/gcc/c-lex.h
@@ -42,6 +42,8 @@ enum rid
   RID_CONST,
   RID_RESTRICT,
   RID_VOLATILE,
+  RID_BOUNDED,
+  RID_UNBOUNDED,
   RID_INLINE,
   RID_NOALIAS,
   RID_ITERATOR,
diff --git a/gcc/c-parse.gperf b/gcc/c-parse.gperf
index 8f272c457dd..db8dc1ea287 100644
--- a/gcc/c-parse.gperf
+++ b/gcc/c-parse.gperf
@@ -29,6 +29,8 @@ __asm, ASM_KEYWORD, NORID
 __asm__, ASM_KEYWORD, NORID
 __attribute, ATTRIBUTE, NORID
 __attribute__, ATTRIBUTE, NORID
+__bounded, TYPE_QUAL, RID_BOUNDED
+__bounded__, TYPE_QUAL, RID_BOUNDED
 __builtin_va_arg, VA_ARG, NORID
 __complex, TYPESPEC, RID_COMPLEX
 __complex__, TYPESPEC, RID_COMPLEX
@@ -42,6 +44,12 @@ __inline__, SCSPEC, RID_INLINE
 __iterator, SCSPEC, RID_ITERATOR
 __iterator__, SCSPEC, RID_ITERATOR
 __label__, LABEL, NORID
+__ptrbase, PTR_BASE, NORID
+__ptrbase__, PTR_BASE, NORID
+__ptrextent, PTR_EXTENT, NORID
+__ptrextent__, PTR_EXTENT, NORID
+__ptrvalue, PTR_VALUE, NORID
+__ptrvalue__, PTR_VALUE, NORID
 __real, REALPART, NORID
 __real__, REALPART, NORID
 __restrict, TYPE_QUAL, RID_RESTRICT
@@ -50,6 +58,8 @@ __signed, TYPESPEC, RID_SIGNED
 __signed__, TYPESPEC, RID_SIGNED
 __typeof, TYPEOF, NORID
 __typeof__, TYPEOF, NORID
+__unbounded, TYPE_QUAL, RID_UNBOUNDED
+__unbounded__, TYPE_QUAL, RID_UNBOUNDED
 __volatile, TYPE_QUAL, RID_VOLATILE
 __volatile__, TYPE_QUAL, RID_VOLATILE
 asm, ASM_KEYWORD, NORID
diff --git a/gcc/c-parse.in b/gcc/c-parse.in
index 6b59e3779e6..dc6f3402049 100644
--- a/gcc/c-parse.in
+++ b/gcc/c-parse.in
@@ -115,6 +115,7 @@ end ifc
 %token BREAK CONTINUE RETURN GOTO ASM_KEYWORD TYPEOF ALIGNOF
 %token ATTRIBUTE EXTENSION LABEL
 %token REALPART IMAGPART VA_ARG
+%token PTR_VALUE PTR_BASE PTR_EXTENT
 
 /* Used in c-lex.c for parsing pragmas.  */
 %token END_OF_LINE