(rs6000_cpu_cpp_builtins): Define __NO_FPRS__ when 'f' class registers will

not be available.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@100097 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 7202609..7e821ab 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2005-05-24  Nick Clifton  <nickc@redhat.com>
+
+       * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
+       __NO_FPRS__ when 'f' class registers will not be available. 
+
 2005-05-24  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
 
        * config/m32r/m32r.c (m32r_expand_block_move):  Return 0 if

diff --git a/gcc/config/rs6000/rs6000-c.c b/gcc/config/rs6000/rs6000-c.c
index 50c9941..41a4d29 100644 (file)
--- a/gcc/config/rs6000/rs6000-c.c
+++ b/gcc/config/rs6000/rs6000-c.c
@@ -140,6 +140,10 @@ rs6000_cpu_cpp_builtins (cpp_reader *pfile)
       break;
     }
 
+  /* Let the compiled code know if 'f' class registers will not be available.  */
+  if (TARGET_SOFT_FLOAT || !TARGET_FPRS)
+    builtin_define ("__NO_FPRS__");
+
   targetm.resolve_overloaded_builtin = altivec_resolve_overloaded_builtin;
 }