| fold-const.c (237021) | fold-const.c (237406) |
|---|---|
| 1/* Fold a constant sub-tree into a single node for C-compiler 2 Copyright (C) 1987, 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 3 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 4 Free Software Foundation, Inc. 5 6This file is part of GCC. 7 8GCC is free software; you can redistribute it and/or modify it under --- 2788 unchanged lines hidden (view full) --- 2797 case ALIGN_INDIRECT_REF: 2798 case MISALIGNED_INDIRECT_REF: 2799 case REALPART_EXPR: 2800 case IMAGPART_EXPR: 2801 return OP_SAME (0); 2802 2803 case ARRAY_REF: 2804 case ARRAY_RANGE_REF: | 1/* Fold a constant sub-tree into a single node for C-compiler 2 Copyright (C) 1987, 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 3 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 4 Free Software Foundation, Inc. 5 6This file is part of GCC. 7 8GCC is free software; you can redistribute it and/or modify it under --- 2788 unchanged lines hidden (view full) --- 2797 case ALIGN_INDIRECT_REF: 2798 case MISALIGNED_INDIRECT_REF: 2799 case REALPART_EXPR: 2800 case IMAGPART_EXPR: 2801 return OP_SAME (0); 2802 2803 case ARRAY_REF: 2804 case ARRAY_RANGE_REF: |
| 2805 /* Operands 2 and 3 may be null. */ | 2805 /* Operands 2 and 3 may be null. 2806 Compare the array index by value if it is constant first as we 2807 may have different types but same value here. */ |
| 2806 return (OP_SAME (0) | 2808 return (OP_SAME (0) |
| 2807 && OP_SAME (1) | 2809 && (tree_int_cst_equal (TREE_OPERAND (arg0, 1), 2810 TREE_OPERAND (arg1, 1)) 2811 || OP_SAME (1)) |
| 2808 && OP_SAME_WITH_NULL (2) 2809 && OP_SAME_WITH_NULL (3)); 2810 2811 case COMPONENT_REF: 2812 /* Handle operand 2 the same as for ARRAY_REF. Operand 0 2813 may be NULL when we're called to compare MEM_EXPRs. */ 2814 return OP_SAME_WITH_NULL (0) 2815 && OP_SAME (1) --- 10812 unchanged lines hidden --- | 2812 && OP_SAME_WITH_NULL (2) 2813 && OP_SAME_WITH_NULL (3)); 2814 2815 case COMPONENT_REF: 2816 /* Handle operand 2 the same as for ARRAY_REF. Operand 0 2817 may be NULL when we're called to compare MEM_EXPRs. */ 2818 return OP_SAME_WITH_NULL (0) 2819 && OP_SAME (1) --- 10812 unchanged lines hidden --- |