* c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.

	(yylex): Record wide strings using target endianness, not host.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@16315 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 761c5a8..881ffd0 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+Tue Nov  4 13:40:35 1997  Doug Evans  <devans@canuck.cygnus.com>
+
+       * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
+       (yylex): Record wide strings using target endianness, not host.
+
 Tue Nov  4 13:13:12 1997  Jeffrey A Law  (law@cygnus.com)
 
        * mn10200.h (ASM_OUTPUT_BSS): Delete.

diff --git a/gcc/c-lex.c b/gcc/c-lex.c
index bee6ce7..1ec8f23 100644 (file)
--- a/gcc/c-lex.c
+++ b/gcc/c-lex.c
@@ -35,6 +35,13 @@ Boston, MA 02111-1307, USA.  */
 
 #include <ctype.h>
 
+/* MULTIBYTE_CHARS support only works for native compilers.
+   ??? Ideally what we want is to model widechar support after
+   the current floating point support.  */
+#ifdef CROSS_COMPILE
+#undef MULTIBYTE_CHARS
+#endif
+
 #ifdef MULTIBYTE_CHARS
 #include <stdlib.h>
 #include <locale.h>
@@ -1999,15 +2006,9 @@ yylex ()
            bzero (widep + (len * WCHAR_BYTES), WCHAR_BYTES);
 #else
            {
-             union { long l; char c[sizeof (long)]; } u;
-             int big_endian;
              char *wp, *cp;
 
-             /* Determine whether host is little or big endian.  */
-             u.l = 1;
-             big_endian = u.c[sizeof (long) - 1];
-             wp = widep + (big_endian ? WCHAR_BYTES - 1 : 0);
-
+             wp = widep + (BYTES_BIG_ENDIAN ? WCHAR_BYTES - 1 : 0);
              bzero (widep, (p - token_buffer) * WCHAR_BYTES);
              for (cp = token_buffer + 1; cp < p; cp++)
                *wp = *cp, wp += WCHAR_BYTES;