Mercurial > hg > CbC > CbC_gcc

comparison gcc/tsan.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children 1830386684a0
comparison
equal deleted inserted replaced
111:04ced10e8804 131:84e7813d76e9
1 /* GCC instrumentation plugin for ThreadSanitizer. 1 /* GCC instrumentation plugin for ThreadSanitizer.
2 Copyright (C) 2011-2017 Free Software Foundation, Inc. 2 Copyright (C) 2011-2018 Free Software Foundation, Inc.
3 Contributed by Dmitry Vyukov <dvyukov@google.com> 3 Contributed by Dmitry Vyukov <dvyukov@google.com>
4 4
5 This file is part of GCC. 5 This file is part of GCC.
6 6
7 GCC is free software; you can redistribute it and/or modify it under 7 GCC is free software; you can redistribute it and/or modify it under
108 108
109 size = int_size_in_bytes (TREE_TYPE (expr)); 109 size = int_size_in_bytes (TREE_TYPE (expr));
110 if (size <= 0) 110 if (size <= 0)
111 return false; 111 return false;
112 112
113 HOST_WIDE_INT bitsize, bitpos; 113 poly_int64 unused_bitsize, unused_bitpos;
114 tree offset; 114 tree offset;
115 machine_mode mode; 115 machine_mode mode;
116 int unsignedp, reversep, volatilep = 0; 116 int unsignedp, reversep, volatilep = 0;
117 base = get_inner_reference (expr, &bitsize, &bitpos, &offset, &mode, 117 base = get_inner_reference (expr, &unused_bitsize, &unused_bitpos, &offset,
118 &unsignedp, &reversep, &volatilep); 118 &mode, &unsignedp, &reversep, &volatilep);
119 119
120 /* No need to instrument accesses to decls that don't escape, 120 /* No need to instrument accesses to decls that don't escape,
121 they can't escape to other threads then. */ 121 they can't escape to other threads then. */
122 if (DECL_P (base) && !is_global_var (base)) 122 if (DECL_P (base) && !is_global_var (base))
123 { 123 {
140 140
141 if ((TREE_CODE (expr) == COMPONENT_REF 141 if ((TREE_CODE (expr) == COMPONENT_REF
142 && DECL_BIT_FIELD_TYPE (TREE_OPERAND (expr, 1))) 142 && DECL_BIT_FIELD_TYPE (TREE_OPERAND (expr, 1)))
143 || TREE_CODE (expr) == BIT_FIELD_REF) 143 || TREE_CODE (expr) == BIT_FIELD_REF)
144 { 144 {
145 HOST_WIDE_INT bitpos, bitsize;
145 base = TREE_OPERAND (expr, 0); 146 base = TREE_OPERAND (expr, 0);
146 if (TREE_CODE (expr) == COMPONENT_REF) 147 if (TREE_CODE (expr) == COMPONENT_REF)
147 { 148 {
148 expr = TREE_OPERAND (expr, 1); 149 expr = TREE_OPERAND (expr, 1);
149 if (is_write && DECL_BIT_FIELD_REPRESENTATIVE (expr)) 150 if (is_write && DECL_BIT_FIELD_REPRESENTATIVE (expr))