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

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index da11f96aca8690df7b3c2737771afba7e4e7dcc2..d08abdf03649bef62f80a68d13213686e7c44072 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,35 +1,40 @@
+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)
 

diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c
index a47dbfc81fa2a21038a6de55523b3aa7ceae715d..7e385d05747dafad30e4675eb7b28e0bd2a39937 100644 (file)
--- a/gcc/dwarf2out.c
+++ b/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);