dwarf2out.c (mem_loc_descriptor): Only look through a constant pool reference if...

        * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
        reference if the target constant is also a SYMBOL_REF.

From-SVN: r43805

gcc/ChangeLog

+2001-07-02  Jason Merrill  <jason_merrill@redhat.com>
+
+	* dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
+	reference if the target constant is also a SYMBOL_REF.
+
 2001-07-05  Eric Christopher  <echristo@redhat.com>
 
-        * config/mips/mips.h (MASK_MIPS3900): Remove.
-        (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
-        MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
-        (TARGET_MIPS3900): Change to use mips_arch.
-        (TARGET_MIPS4000): New.
-        (TARGET_MIPS4100): New.
-        (TARGET_MIPS4300): New.
-        (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
-        (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
-        for -mipsX.
-        (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
-        (ISA_HAS_BRANCHLIKELY): To here.
-        (CC1_CPU_SPEC):  New.
-        (CC1_SPEC): Use here.  Remove 4650 and 3900 options.
-        (mips_arch_string): Declare.
-        (mips_arch): Declare.
-        (TARGET_OPTIONS): Add -march and -mtune.
-
-        * config/mips/mips.c (mips_arch_string): New.
-        (mips_arch): New.
-        (override_options): Handle -march for codegen and -mtune
-        for scheduling. Use mips_arch. Move tx39 target default here.
-        (mips_parse_cpu): Move error message to override_options.
-
-        * config/mips/r3900.h (TARGET_DEFAULT): Remove.
-
-        * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
-
-        * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
-        (MIPS Options): Ditto.  Change mcpu entry to historical text.
+	* config/mips/mips.h (MASK_MIPS3900): Remove.
+	(MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
+	MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
+	(TARGET_MIPS3900): Change to use mips_arch.
+	(TARGET_MIPS4000): New.
+	(TARGET_MIPS4100): New.
+	(TARGET_MIPS4300): New.
+	(TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
+	(SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
+	for -mipsX.
+	(GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
+	(ISA_HAS_BRANCHLIKELY): To here.
+	(CC1_CPU_SPEC):	 New.
+	(CC1_SPEC): Use here.  Remove 4650 and 3900 options.
+	(mips_arch_string): Declare.
+	(mips_arch): Declare.
+	(TARGET_OPTIONS): Add -march and -mtune.
+
+	* config/mips/mips.c (mips_arch_string): New.
+	(mips_arch): New.
+	(override_options): Handle -march for codegen and -mtune
+	for scheduling. Use mips_arch. Move tx39 target default here.
+	(mips_parse_cpu): Move error message to override_options.
+
+	* config/mips/r3900.h (TARGET_DEFAULT): Remove.
+
+	* config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
+
+	* doc/invoke.texi (Option Summary): Add -march and -mtune entries.
+	(MIPS Options): Ditto.	Change mcpu entry to historical text.
 
 2001-07-05  H.J. Lu  (hjl@gnu.org)
 

gcc/dwarf2out.c

@@ -7427,18 +7427,16 @@ mem_loc_descriptor (rtl, mode)
  	 pool.  */
     case CONST:
     case SYMBOL_REF:
-      /* Alternatively, the symbol in the constant pool can be referenced
+      /* Alternatively, the symbol in the constant pool might be referenced
 	 by a different symbol.  */
       if (GET_CODE (rtl) == SYMBOL_REF
 	  && CONSTANT_POOL_ADDRESS_P (rtl))
 	{
 	  rtx tmp = get_pool_constant (rtl);
-	  /* Doesn't work for floating point constants.  */
-	  if (! (GET_CODE (tmp) == CONST_DOUBLE && GET_MODE (tmp) != VOIDmode))
+	  if (GET_CODE (tmp) == SYMBOL_REF)
 	    rtl = tmp;
 	}
 
-
       mem_loc_result = new_loc_descr (DW_OP_addr, 0, 0);
       mem_loc_result->dw_loc_oprnd1.val_class = dw_val_class_addr;
       mem_loc_result->dw_loc_oprnd1.v.val_addr = save_rtx (rtl);