cpplib.h (NODE_CONDITIONAL): New.

libcpp/
	* include/cpplib.h (NODE_CONDITIONAL): New.
	(struct cpp_callbacks): New macro_to_expand field.
	(struct cpp_hashnode): Adjust size of flags and type fields.
	(cpp_peek_token): Prototype.
	* lex.c (cpp_peek_token): New function.
	(_cpp_temp_token): Protect pre-existing lookaheads.
	* macro.c (cpp_get_token): Expand any conditional macros.
	(_cpp_backup_tokens_direct): New.
	(_cpp_backup_tokens): Call _cpp_backup_tokens_direct.
	(warn_of_redefinition): Silently allow redefined conditional
	macros.
	(_cpp_create_definition): Remove the conditional flag when a user
	defines one of the conditional macros.
	* internal.h (_cpp_backup_tokens_direct): New prototype.

gcc/
	* c-common.h (C_CPP_HASHNODE): New macro.
	* coretypes.h (struct cpp_token): Forward declare.
	* doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
	the context-sensitive keyword method.
	* config/rs6000/rs6000-c.c (__vector_keyword, vector_keyword,
	__pixel_keyword, pixel_keyword, __bool_keyword, bool_keyword,
	expand_bool_pixel): New.
	(altivec_categorize_keyword): New function.
	(init_vector_keywords): New function.
	(rs6000_macro_to_expand): Likewise.
	(rs6000_cpu_cpp_builtins): Enable context-sensitive macros if not
	compiling an ISO C dialect.

gcc/testsuite/
	* gcc.target/powerpc/altivec-macros.c: New test.
	* gcc.target/powerpc/altviec-26.c: Likewise.
	* gcc.dg/vmx/1b-06.c: Remove bool variable.
	* gcc.dg/vmx/1b-07.c: Likewise.
	* gcc.dg/vmx/1b-06-ansi.c: New test for the pre-define method.
	* gcc.dg/vmx/1b-07-ansi.c: Likewise.

From-SVN: r137775

4 files changed, 83 insertions, 2 deletions

diff --git a/gcc/testsuite/gcc.dg/vmx/1b-06-ansi.c b/gcc/testsuite/gcc.dg/vmx/1b-06-ansi.c
new file mode 100644
index 0000000..780a4e6
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vmx/1b-06-ansi.c
@@ -0,0 +1,24 @@
+/* { dg-do compile } */
+/* { dg-options "-ansi -maltivec" } */
+
+#include <altivec.h>
+vector char bool _4 ;
+vector char unsigned _31 ;
+vector char signed _59 ;
+/* bool is permitted in the predefine method, as it is expanded
+   unconditionally to int.  */
+bool _84 ;
+vector pixel _89 ;
+vector int bool _95 ;
+vector short bool _102 ;
+vector unsigned int _122 ;
+vector unsigned short _129 ;
+vector signed int _150 ;
+vector signed short _157 ;
+vector int bool _179 ;
+vector int short bool _186 ;
+vector unsigned int _206 ;
+vector int unsigned short _213 ;
+vector signed int _234 ;
+vector int signed short _241 ;
+vector float _339 ;
diff --git a/gcc/testsuite/gcc.dg/vmx/1b-06.c b/gcc/testsuite/gcc.dg/vmx/1b-06.c
index 84c6981..d25164c 100644
--- a/gcc/testsuite/gcc.dg/vmx/1b-06.c
+++ b/gcc/testsuite/gcc.dg/vmx/1b-06.c
@@ -3,7 +3,6 @@
 vector char bool _4 ;
 vector char unsigned _31 ;
 vector char signed _59 ;
-bool _84 ;
 vector pixel _89 ;
 vector int bool _95 ;
 vector short bool _102 ;
diff --git a/gcc/testsuite/gcc.dg/vmx/1b-07-ansi.c b/gcc/testsuite/gcc.dg/vmx/1b-07-ansi.c
new file mode 100644
index 0000000..cfc9863
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vmx/1b-07-ansi.c
@@ -0,0 +1,59 @@
+/* { dg-do compile } */
+/* { dg-options "-ansi -maltivec" } */
+
+#include <altivec.h>
+vector char bool _0 ;
+vector bool char _8 ;
+vector char unsigned _56 ;
+vector unsigned char _64 ;
+vector char signed _112 ;
+vector signed char _120 ;
+/* bool is permitted in the predefine method, as it is expanded
+   unconditionally to int.  */
+bool _168 ;
+vector pixel _170 ;
+vector int bool _178 ;
+vector bool int _186 ;
+vector short bool _234 ;
+vector bool short _242 ;
+vector unsigned int _290 ;
+vector int unsigned _298 ;
+vector unsigned short _346 ;
+vector short unsigned _354 ;
+vector signed int _402 ;
+vector int signed _410 ;
+vector signed short _458 ;
+vector short signed _466 ;
+vector int bool _514 ;
+vector int bool _544 ;
+vector int bool _559 ;
+vector bool int _589 ;
+vector int short bool _874 ;
+vector int bool short _889 ;
+vector short int bool _904 ;
+vector short bool int _919 ;
+vector bool int short _934 ;
+vector bool short int _949 ;
+vector unsigned int _1234 ;
+vector int unsigned _1249 ;
+vector unsigned int _1279 ;
+vector int unsigned _1294 ;
+vector unsigned int _1309 ;
+vector int unsigned short _1594 ;
+vector int short unsigned _1609 ;
+vector unsigned int short _1624 ;
+vector unsigned short int _1639 ;
+vector short int unsigned _1654 ;
+vector short unsigned int _1669 ;
+vector signed int _1954 ;
+vector int signed _1969 ;
+vector signed int _1999 ;
+vector int signed _2014 ;
+vector signed int _2029 ;
+vector int signed short _2314 ;
+vector int short signed _2329 ;
+vector signed int short _2344 ;
+vector signed short int _2359 ;
+vector short int signed _2374 ;
+vector short signed int _2389 ;
+vector float _2674 ;
diff --git a/gcc/testsuite/gcc.dg/vmx/1b-07.c b/gcc/testsuite/gcc.dg/vmx/1b-07.c
index b1f4bb6..44bf402 100644
--- a/gcc/testsuite/gcc.dg/vmx/1b-07.c
+++ b/gcc/testsuite/gcc.dg/vmx/1b-07.c
@@ -6,7 +6,6 @@ vector char unsigned _56 ;
 vector unsigned char _64 ;
 vector char signed _112 ;
 vector signed char _120 ;
-bool _168 ;
 vector pixel _170 ;
 vector int bool _178 ;
 vector bool int _186 ;