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Minor fix to constant handling in expr.c
- To: gcc-patches at gcc dot gnu dot org
- Subject: Minor fix to constant handling in expr.c
- From: kenner at vlsi1 dot ultra dot nyu dot edu (Richard Kenner)
- Date: Sat, 3 Nov 01 11:21:09 EST
Tested on alphaev56-dec-osf4.0c.
Sat Nov 3 10:37:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* expr.c (expand_expr, case ADDDR_EXPR): If at top level, don't call
force_const_mem.
*** expr.c 2001/11/02 22:17:11 1.370
--- expr.c 2001/11/03 15:16:43
*************** expand_expr (exp, target, tmode, modifie
*** 8672,8675 ****
--- 8672,8683 ----
else if (TREE_CODE (TREE_OPERAND (exp, 0)) == ERROR_MARK)
return const0_rtx;
+ /* If we are taking the address of a constant and are at the
+ top level, we have to use output_constant_def since we can't
+ call force_const_mem at top level. */
+ else if (cfun == 0
+ && (TREE_CODE (TREE_OPERAND (exp, 0)) == CONSTRUCTOR
+ || (TREE_CODE_CLASS (TREE_CODE (TREE_OPERAND (exp, 0)))
+ == 'c')))
+ op0 = XEXP (output_constant_def (TREE_OPERAND (exp, 0), 0), 0);
else
{