re PR target/17643 (ICE in propagate_one_insn, at flow.c:1582)

	PR target/17643
	* pa.c (pa_function_ok_for_sibcall): Sibcalls are not ok when
	generating code for the portable runtime.

From-SVN: r92629

gcc/ChangeLog

+2004-12-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
+
+	PR target/17643
+	* pa.c (pa_function_ok_for_sibcall): Sibcalls are not ok when
+	generating code for the portable runtime.
+
 2004-12-25  Richard Henderson  <rth@redhat.com>
 
 	* expr.c (clear_storage): Validate CONST0_RTX extant.  Special case

gcc/config/pa/pa.c

@@ -8091,6 +8091,9 @@ pa_asm_output_mi_thunk (FILE *file, tree thunk_fndecl, HOST_WIDE_INT delta,
 static bool
 pa_function_ok_for_sibcall (tree decl, tree exp ATTRIBUTE_UNUSED)
 {
+  if (TARGET_PORTABLE_RUNTIME)
+    return false;
+
   /* Sibcalls are ok for TARGET_ELF32 as along as the linker is used in
      single subspace mode and the call is not indirect.  As far as I know,
      there is no operating system support for the multiple subspace mode.
@@ -8108,9 +8111,8 @@ pa_function_ok_for_sibcall (tree decl, tree exp ATTRIBUTE_UNUSED)
   if (TARGET_64BIT)
     return false;
 
-  return (decl
-	  && !TARGET_PORTABLE_RUNTIME
-	  && !TREE_PUBLIC (decl));
+  /* Sibcalls are only ok within a translation unit.  */
+  return (decl && !TREE_PUBLIC (decl));
 }
 
 /* Returns 1 if the 6 operands specified in OPERANDS are suitable for