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dbxout.c (dbxout_symbol_location): Do not output references to optimized-out constant pool symbols.

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* dbxout.c (dbxout_symbol_location): Do not output references
	to optimized-out constant pool symbols.

From-SVN: r79258
This commit is contained in:
Ulrich Weigand 2004-03-10 15:12:10 +00:00 • committed by Ulrich Weigand
parent f69535d2b7
commit 452c159ed1
2 changed files with 25 additions and 4 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2004-03-10 Ulrich Weigand <uweigand@de.ibm.com>
* dbxout.c (dbxout_symbol_location): Do not output references
to optimized-out constant pool symbols.
2004-03-10 Andreas Schwab <schwab@suse.de>
* config/ia64/ia64.md (divsi3, udivsi3): Remove unused variable

24
gcc/dbxout.c
View file

@ -2503,11 +2503,27 @@ dbxout_symbol_location (tree decl, tree type, const char *suffix, rtx home)
if (GET_CODE (current_sym_addr) == SYMBOL_REF
&& CONSTANT_POOL_ADDRESS_P (current_sym_addr))
{
rtx tmp = get_pool_constant (current_sym_addr);
bool marked;
rtx tmp = get_pool_constant_mark (current_sym_addr, &marked);
if (GET_CODE (tmp) == SYMBOL_REF
|| GET_CODE (tmp) == LABEL_REF)
current_sym_addr = tmp;
if (GET_CODE (tmp) == SYMBOL_REF)
{
current_sym_addr = tmp;
if (CONSTANT_POOL_ADDRESS_P (current_sym_addr))
get_pool_constant_mark (current_sym_addr, &marked);
else
marked = true;
}
else if (GET_CODE (tmp) == LABEL_REF)
{
current_sym_addr = tmp;
marked = true;
}
/* If all references to the constant pool were optimized
out, we just ignore the symbol. */
if (!marked)
return 0;
}
/* Ultrix `as' seems to need this. */