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re PR debug/23205 ([C++/unit-at-a-time] stabs debug info omitted for global const variables) 

PR Debug/23205
       * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
       handling constants. Check NAMESPACE_DECL context for constants.

       * g++.dg/other/PR23205.C: New.

From-SVN: r105028
This commit is contained in:
Devang Patel 2005-10-05 17:47:21 -07:00 committed by Devang Patel
parent 2d99a2ffb1
commit d6b27b56a2
4 changed files with 37 additions and 7 deletions
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6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2005-10-05 Devang Patel <dpatel@apple.com>
PR Debug/23205
* dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
handling constants. Check NAMESPACE_DECL context for constants.
2005-10-05 Eric Christopher <echristo@apple.com>
* doc/md.texi (Standard Names): Fix name of pushm1 pattern.

15
gcc/dbxout.c
View File

@ -2671,10 +2671,6 @@ dbxout_symbol (tree decl, int local ATTRIBUTE_UNUSED)
if (DECL_EXTERNAL (decl))
break;
decl_rtl = dbxout_expand_expr (decl);
if (!decl_rtl)
DBXOUT_DECR_NESTING_AND_RETURN (0);
/* If the variable is really a constant
and not written in memory, inform the debugger.
@ -2684,7 +2680,8 @@ dbxout_symbol (tree decl, int local ATTRIBUTE_UNUSED)
&& host_integerp (DECL_INITIAL (decl), 0)
&& ! TREE_ASM_WRITTEN (decl)
&& (DECL_CONTEXT (decl) == NULL_TREE
|| TREE_CODE (DECL_CONTEXT (decl)) == BLOCK)
|| TREE_CODE (DECL_CONTEXT (decl)) == BLOCK
|| TREE_CODE (DECL_CONTEXT (decl)) == NAMESPACE_DECL)
&& TREE_PUBLIC (decl) == 0)
{
/* The sun4 assembler does not grok this. */
@ -2695,8 +2692,8 @@ dbxout_symbol (tree decl, int local ATTRIBUTE_UNUSED)
HOST_WIDE_INT ival = TREE_INT_CST_LOW (DECL_INITIAL (decl));
dbxout_begin_complex_stabs ();
stabstr_I (DECL_NAME (decl));
stabstr_S (":c=i");
dbxout_symbol_name (decl, NULL, 'c');
stabstr_S ("=i");
stabstr_D (ival);
dbxout_finish_complex_stabs (0, N_LSYM, 0, 0, 0);
DBXOUT_DECR_NESTING;
@ -2707,6 +2704,10 @@ dbxout_symbol (tree decl, int local ATTRIBUTE_UNUSED)
}
/* else it is something we handle like a normal variable. */
decl_rtl = dbxout_expand_expr (decl);
if (!decl_rtl)
DBXOUT_DECR_NESTING_AND_RETURN (0);
decl_rtl = eliminate_regs (decl_rtl, 0, NULL_RTX);
#ifdef LEAF_REG_REMAP
if (current_function_uses_only_leaf_regs)

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2005-10-05 Devang Patel <dpatel@apple.com>
PR Debug/23205
* g++.dg/other/PR23205.C: New.
2005-10-05 Richard Henderson <rth@redhat.com>
PR target/23602

18
gcc/testsuite/g++.dg/other/PR23205.C Normal file
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@ -0,0 +1,18 @@
/* { dg-do compile } */
/* { dg-skip-if "No stabs" { mmix-*-* *-*-aix* *-*-netware* alpha*-*-* hppa*64*-*-* ia64-*-* } { "*" } { "" } } */
/* { dg-options "-gstabs+ -fno-eliminate-unused-debug-types" } */
const int foobar = 4;
int foo ()
{
return foobar + 1;
}
int main()
{
int i;
i = foo();
return i;
}
/* { dg-final { scan-assembler ".stabs.*foobar:c=i" } } */