2 * z_Windows_NT-586_util.cpp -- platform specific routines.
5 //===----------------------------------------------------------------------===//
7 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
8 // See https://llvm.org/LICENSE.txt for license information.
9 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
11 //===----------------------------------------------------------------------===//
15 #if (KMP_ARCH_X86 || KMP_ARCH_X86_64)
16 /* Only 32-bit "add-exchange" instruction on IA-32 architecture causes us to
17 use compare_and_store for these routines */
19 kmp_int8 __kmp_test_then_or8(volatile kmp_int8 *p, kmp_int8 d) {
20 kmp_int8 old_value, new_value;
22 old_value = TCR_1(*p);
23 new_value = old_value | d;
25 while (!__kmp_compare_and_store8(p, old_value, new_value)) {
27 old_value = TCR_1(*p);
28 new_value = old_value | d;
33 kmp_int8 __kmp_test_then_and8(volatile kmp_int8 *p, kmp_int8 d) {
34 kmp_int8 old_value, new_value;
36 old_value = TCR_1(*p);
37 new_value = old_value & d;
39 while (!__kmp_compare_and_store8(p, old_value, new_value)) {
41 old_value = TCR_1(*p);
42 new_value = old_value & d;
47 kmp_uint32 __kmp_test_then_or32(volatile kmp_uint32 *p, kmp_uint32 d) {
48 kmp_uint32 old_value, new_value;
50 old_value = TCR_4(*p);
51 new_value = old_value | d;
53 while (!__kmp_compare_and_store32((volatile kmp_int32 *)p, old_value,
56 old_value = TCR_4(*p);
57 new_value = old_value | d;
62 kmp_uint32 __kmp_test_then_and32(volatile kmp_uint32 *p, kmp_uint32 d) {
63 kmp_uint32 old_value, new_value;
65 old_value = TCR_4(*p);
66 new_value = old_value & d;
68 while (!__kmp_compare_and_store32((volatile kmp_int32 *)p, old_value,
71 old_value = TCR_4(*p);
72 new_value = old_value & d;
77 kmp_int8 __kmp_test_then_add8(volatile kmp_int8 *p, kmp_int8 d) {
78 kmp_int64 old_value, new_value;
80 old_value = TCR_1(*p);
81 new_value = old_value + d;
82 while (!__kmp_compare_and_store8(p, old_value, new_value)) {
84 old_value = TCR_1(*p);
85 new_value = old_value + d;
91 kmp_int64 __kmp_test_then_add64(volatile kmp_int64 *p, kmp_int64 d) {
92 kmp_int64 old_value, new_value;
94 old_value = TCR_8(*p);
95 new_value = old_value + d;
96 while (!__kmp_compare_and_store64(p, old_value, new_value)) {
98 old_value = TCR_8(*p);
99 new_value = old_value + d;
103 #endif /* KMP_ARCH_X86 */
105 kmp_uint64 __kmp_test_then_or64(volatile kmp_uint64 *p, kmp_uint64 d) {
106 kmp_uint64 old_value, new_value;
108 old_value = TCR_8(*p);
109 new_value = old_value | d;
110 while (!__kmp_compare_and_store64((volatile kmp_int64 *)p, old_value,
113 old_value = TCR_8(*p);
114 new_value = old_value | d;
120 kmp_uint64 __kmp_test_then_and64(volatile kmp_uint64 *p, kmp_uint64 d) {
121 kmp_uint64 old_value, new_value;
123 old_value = TCR_8(*p);
124 new_value = old_value & d;
125 while (!__kmp_compare_and_store64((volatile kmp_int64 *)p, old_value,
128 old_value = TCR_8(*p);
129 new_value = old_value & d;
135 #endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */