gas: blackfin: fix LOOP_BEGIN/LOOP_END pseudo insns handling of local labels
The current LOOP_BEGIN/LOOP_END pseudo insns hit "Internal errors" when using local labels as the loop names due to attempts at removing them. Signed-off-by: David Gibson <david.gibson@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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@ -1,3 +1,7 @@
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2010-09-11 David Gibson <david.gibson@analog.com>
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* config/tc-bfin.c (bfin_gen_loop): Check symbol before removing.
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2010-10-08 Pierre Muller <muller@ics.u-strasbg.fr>
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Fix build with -DDEBUG=7
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@ -1874,6 +1874,7 @@ bfin_gen_loop (Expr_Node *exp, REG_T reg, int rop, REG_T preg)
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char *lbeginsym, *lendsym;
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Expr_Node_Value lbeginval, lendval;
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Expr_Node *lbegin, *lend;
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symbolS *sym;
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loopsym = exp->value.s_value;
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lbeginsym = (char *) xmalloc (strlen (loopsym) + strlen ("__BEGIN") + 5);
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@ -1896,9 +1897,11 @@ bfin_gen_loop (Expr_Node *exp, REG_T reg, int rop, REG_T preg)
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lbegin = Expr_Node_Create (Expr_Node_Reloc, lbeginval, NULL, NULL);
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lend = Expr_Node_Create (Expr_Node_Reloc, lendval, NULL, NULL);
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symbol_remove (symbol_find (loopsym), &symbol_rootP, &symbol_lastP);
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sym = symbol_find(loopsym);
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if (!S_IS_LOCAL (sym) || (S_IS_LOCAL (sym) && !symbol_used_p (sym)))
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symbol_remove (sym, &symbol_rootP, &symbol_lastP);
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return bfin_gen_loopsetup(lbegin, reg, rop, lend, preg);
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return bfin_gen_loopsetup (lbegin, reg, rop, lend, preg);
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}
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void
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