diff options
Diffstat (limited to 'gcc/stmt.c')
| -rw-r--r-- | gcc/stmt.c | 15 |
1 files changed, 10 insertions, 5 deletions
@@ -1,5 +1,5 @@ /* Expands front end tree to back end RTL for GNU C-Compiler - Copyright (C) 1987, 88, 89, 92-7, 1998 Free Software Foundation, Inc. + Copyright (C) 1987, 88, 89, 92-97, 1998 Free Software Foundation, Inc. This file is part of GNU CC. @@ -1162,7 +1162,7 @@ expand_asm_operands (string, outputs, inputs, clobbers, vol, filename, line) /* The insn we have emitted. */ rtx insn; - /* An ASM with no outputs needs to be treated as volatile. */ + /* An ASM with no outputs needs to be treated as volatile, for now. */ if (noutputs == 0) vol = 1; @@ -3112,7 +3112,9 @@ expand_decl (decl) && TREE_CODE (type) == REAL_TYPE) && ! TREE_THIS_VOLATILE (decl) && ! TREE_ADDRESSABLE (decl) - && (DECL_REGISTER (decl) || ! obey_regdecls)) + && (DECL_REGISTER (decl) || ! obey_regdecls) + /* if -fcheck-memory-usage, check all variables. */ + && ! flag_check_memory_usage) { /* Automatic variable that can go in a register. */ int unsignedp = TREE_UNSIGNED (type); @@ -3122,7 +3124,7 @@ expand_decl (decl) DECL_RTL (decl) = gen_reg_rtx (reg_mode); mark_user_reg (DECL_RTL (decl)); - if (TREE_CODE (type) == POINTER_TYPE) + if (POINTER_TYPE_P (type)) mark_reg_pointer (DECL_RTL (decl), (TYPE_ALIGN (TREE_TYPE (TREE_TYPE (decl))) / BITS_PER_UNIT)); @@ -3276,8 +3278,9 @@ expand_decl_init (decl) if (DECL_INITIAL (decl) == error_mark_node) { enum tree_code code = TREE_CODE (TREE_TYPE (decl)); + if (code == INTEGER_TYPE || code == REAL_TYPE || code == ENUMERAL_TYPE - || code == POINTER_TYPE) + || code == POINTER_TYPE || code == REFERENCE_TYPE) expand_assignment (decl, convert (TREE_TYPE (decl), integer_zero_node), 0, 0); emit_queue (); @@ -3629,8 +3632,10 @@ expand_cleanups (list, dont_do, in_fixup, reachable) /* We may need to protect fixups with rethrow regions. */ int protect = (in_fixup && ! TREE_ADDRESSABLE (tail)); + if (protect) expand_fixup_region_start (); + expand_expr (TREE_VALUE (tail), const0_rtx, VOIDmode, 0); if (protect) expand_fixup_region_end (TREE_VALUE (tail)); |