* regclass.c (init_reg_autoinc): New function.

[pf3gnuchains/gcc-fork.git] / gcc / configure.in

diff --git a/gcc/configure.in b/gcc/configure.in
index 4a9ecbf..4ec16ea 100644 (file)
--- a/gcc/configure.in
+++ b/gcc/configure.in
@@ -265,6 +265,16 @@ AC_ARG_ENABLE(multilib,
 [], [enable_multilib=yes])
 AC_SUBST(enable_multilib)
 
+# Enable -Werror in bootstrap stage2 and later.
+# Change the default to "no" on release branches.
+AC_ARG_ENABLE(werror, 
+[  --enable-werror         enable -Werror in bootstrap stage2 and later], [],
+[enable_werror=yes])
+if test x$enable_werror = xyes ; then
+  WERROR=-Werror
+fi
+AC_SUBST(WERROR)
+
 # Enable expensive internal checks
 AC_ARG_ENABLE(checking,
 [  --enable-checking[=LIST]
@@ -792,6 +802,19 @@ if test $gcc_cv_type_clock_t = yes; then
   [Define if <time.h> defines clock_t.])
 fi
 
+AC_CACHE_CHECK(for uchar, gcc_cv_type_uchar,
+[AC_TRY_COMPILE([
+#include "ansidecl.h"
+#include "system.h"
+], 
+[if ((uchar *)0) return 0;
+ if (sizeof(uchar)) return 0;],
+ac_cv_type_uchar=yes, ac_cv_type_uchar=no)])
+if test $ac_cv_type_uchar = yes; then
+  AC_DEFINE(HAVE_UCHAR, 1,
+  [Define if <sys/types.h> defines \`uchar'.])
+fi
+
 # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests.
 CFLAGS="$saved_CFLAGS"
 
@@ -1013,6 +1036,8 @@ tm_file="${tm_file} defaults.h"
 tm_p_file="${tm_p_file} tm-preds.h"
 host_xm_file="auto-host.h ansidecl.h ${host_xm_file}"
 build_xm_file="${build_auto} ansidecl.h ${build_xm_file}"
+# We don't want ansidecl.h in target files, write code there in ISO/GNU C.
+# put this back in temporarily.
 xm_file="ansidecl.h ${xm_file}"
 
 # Truncate the target if necessary
@@ -1919,6 +1944,41 @@ foo:     data8   25
        tls_first_major=2
        tls_first_minor=13
        ;;
+  s390-*-*)
+    conftest_s='
+       .section ".tdata","awT",@progbits
+foo:   .long   25
+       .text
+       .long   foo@TLSGD
+       .long   foo@TLSLDM
+       .long   foo@DTPOFF
+       .long   foo@NTPOFF
+       .long   foo@GOTNTPOFF
+       .long   foo@INDNTPOFF
+       l       %r1,foo@GOTNTPOFF(%r12)
+       l       %r1,0(%r1):tls_load:foo
+       bas     %r14,0(%r1,%r13):tls_gdcall:foo
+       bas     %r14,0(%r1,%r13):tls_ldcall:foo'
+       tls_first_major=2
+       tls_first_minor=14
+       ;;
+  s390x-*-*)
+    conftest_s='
+       .section ".tdata","awT",@progbits
+foo:   .long   25
+       .text
+       .quad   foo@TLSGD
+       .quad   foo@TLSLDM
+       .quad   foo@DTPOFF
+       .quad   foo@NTPOFF
+       .quad   foo@GOTNTPOFF
+       lg      %r1,foo@GOTNTPOFF(%r12)
+       larl    %r1,foo@INDNTPOFF
+       brasl   %r14,__tls_get_offset@PLT:tls_gdcall:foo
+       brasl   %r14,__tls_get_offset@PLT:tls_ldcall:foo'
+       tls_first_major=2
+       tls_first_minor=14
+       ;;
 esac
 if test -z "$tls_first_major"; then
   :