re PR target/34571 (Segfault in alpha_expand_mov at -O3)

	* config/alpha/alpha.h (ASM_OUTPUT_EXTERNAL): New macro.

	PR target/34571
	* config/alpha/predicates.md (symbolic_operand): Return 1 for a
	label_ref with an offset.

From-SVN: r142885

gcc/ChangeLog

+2008-12-22  Uros Bizjak  <ubizjak@gmail.com>
+
+	* config/alpha/alpha.h (ASM_OUTPUT_EXTERNAL): New macro.
+
+	PR target/34571
+	* config/alpha/predicates.md (symbolic_operand): Return 1 for a
+	label_ref with an offset.
+
 2008-12-21  Andrew Pinski  <pinskia@gmail.com>
 
 	PR target/38300
@@ -99,8 +107,8 @@
 	(df_scan_start_dump, df_get_call_refs, df_hard_reg_init): Rename
 	df_invalidated_by_call to invalidated_by_call_regset.
 	* df.h (df_invalidated_by_call): Remove.
-	* regclass.c (regs_invalidated_by_call_regset, persistent_obstack): New
-	variables.
+	* regclass.c (regs_invalidated_by_call_regset, persistent_obstack):
+	New variables.
 	(init_reg_sets_1): Initialize regs_invalidated_by_call_regset.
 	(globalize_reg): Likewise.
 	* df-problems.c (df_rd_local_compute, df_lr_confluence_n,
@@ -116,8 +124,8 @@
 2008-12-18  Jan Hubicka  <jh@suse.cz>
 	    Kai Tietz <kai.tietz@onevision.com>
 
-	* i386.h (CONDITIONAL_REGISTER_USAGE): Initialize for current function
-	ABI.
+	* i386.h (CONDITIONAL_REGISTER_USAGE): Initialize for current
+	function ABI.
 	* i386.c (ix86_call_abi_override): Do not trigger target re-init and
 	do not try to modify call used regs.
 	(ix86_maybe_switch_abi): New function.

gcc/config/alpha/elf.h

@@ -423,3 +423,13 @@ extern int alpha_this_gpdisp_sequence_number;
 #if defined(HAVE_LD_EH_FRAME_HDR)
 #define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
 #endif
+
+/* A C statement (sans semicolon) to output to the stdio stream STREAM
+   any text necessary for declaring the name of an external symbol
+   named NAME which is referenced in this compilation but not defined.
+   It is needed to properly support non-default visibility.  */
+
+#ifndef ASM_OUTPUT_EXTERNAL
+#define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \
+  default_elf_asm_output_external (FILE, DECL, NAME)
+#endif

gcc/config/alpha/predicates.md

@@ -390,7 +390,8 @@
   (ior (match_code "symbol_ref,label_ref")
        (and (match_code "const")
 	    (match_test "GET_CODE (XEXP (op,0)) == PLUS
-			 && GET_CODE (XEXP (XEXP (op,0), 0)) == SYMBOL_REF
+			 && (GET_CODE (XEXP (XEXP (op,0), 0)) == SYMBOL_REF
+			     || GET_CODE (XEXP (XEXP (op,0), 0)) == LABEL_REF)
 			 && GET_CODE (XEXP (XEXP (op,0), 1)) == CONST_INT"))))
 
 ;; Return true if OP is valid for 16-bit DTP relative relocations.

gcc/testsuite/ChangeLog

@@ -393,8 +393,8 @@
 2008-12-18  Daniel Kraft  <d@domob.eu>
 
 	PR fortran/31822
-	* gfortran.dg/char_pointer_assign_2.f90: Updated expected error message
-	to be more detailed.
+	* gfortran.dg/char_pointer_assign_2.f90: Updated expected error
+	message to be more detailed.
 	* gfortran.dg/char_pointer_assign_4.f90: New test.
 	* gfortran.dg/char_pointer_assign_5.f90: New test.