sidneym created this revision.
sidneym added reviewers: kparzysz, adasgupt, bcain.
Herald added subscribers: cfe-commits, jfb.
Herald added a project: clang.
Seeing errors while building the c++ library:
atomic:2756:16: error: use of undeclared identifier '__libcpp_signed_lock_free'
typedef atomic<__libcpp_signed_lock_free> atomic_signed_lock_free;
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D76546
Files:
clang/lib/Basic/Targets/Hexagon.h
clang/test/Preprocessor/hexagon-predefines.c
Index: clang/test/Preprocessor/hexagon-predefines.c
===================================================================
--- clang/test/Preprocessor/hexagon-predefines.c
+++ clang/test/Preprocessor/hexagon-predefines.c
@@ -113,3 +113,20 @@
// CHECK-LINUX: #define __unix__ 1
// CHECK-LINUX: #define linux 1
// CHECK-LINUX: #define unix 1
+
+
+// RUN: %clang_cc1 -E -dM -triple hexagon-unknown-linux-musl \
+// RUN: -target-cpu hexagonv67 -target-feature +hvxv67 \
+// RUN: -target-feature +hvx-length128b %s | FileCheck \
+// RUN: %s -check-prefix CHECK-ATOMIC
+// CHECK-ATOMIC: #define __CLANG_ATOMIC_BOOL_LOCK_FREE 2
+// CHECK-ATOMIC: #define __CLANG_ATOMIC_CHAR16_T_LOCK_FREE 2
+// CHECK-ATOMIC: #define __CLANG_ATOMIC_CHAR32_T_LOCK_FREE 2
+// CHECK-ATOMIC: #define __CLANG_ATOMIC_CHAR_LOCK_FREE 2
+// CHECK-ATOMIC: #define __CLANG_ATOMIC_INT_LOCK_FREE 2
+// CHECK-ATOMIC: #define __CLANG_ATOMIC_LLONG_LOCK_FREE 2
+// CHECK-ATOMIC: #define __CLANG_ATOMIC_LONG_LOCK_FREE 2
+// CHECK-ATOMIC: #define __CLANG_ATOMIC_POINTER_LOCK_FREE 2
+// CHECK-ATOMIC: #define __CLANG_ATOMIC_SHORT_LOCK_FREE 2
+// CHECK-ATOMIC: #define __CLANG_ATOMIC_WCHAR_T_LOCK_FREE 2
+
Index: clang/lib/Basic/Targets/Hexagon.h
===================================================================
--- clang/lib/Basic/Targets/Hexagon.h
+++ clang/lib/Basic/Targets/Hexagon.h
@@ -57,6 +57,7 @@
LargeArrayAlign = 64;
UseBitFieldTypeAlignment = true;
ZeroLengthBitfieldBoundary = 32;
+ MaxAtomicPromoteWidth = MaxAtomicInlineWidth = 64;
// These are the default values anyway, but explicitly make sure
// that the size of the boolean type is 8 bits. Bool vectors are used
Index: clang/test/Preprocessor/hexagon-predefines.c
===================================================================
--- clang/test/Preprocessor/hexagon-predefines.c
+++ clang/test/Preprocessor/hexagon-predefines.c
@@ -113,3 +113,20 @@
// CHECK-LINUX: #define __unix__ 1
// CHECK-LINUX: #define linux 1
// CHECK-LINUX: #define unix 1
+
+
+// RUN: %clang_cc1 -E -dM -triple hexagon-unknown-linux-musl \
+// RUN: -target-cpu hexagonv67 -target-feature +hvxv67 \
+// RUN: -target-feature +hvx-length128b %s | FileCheck \
+// RUN: %s -check-prefix CHECK-ATOMIC
+// CHECK-ATOMIC: #define __CLANG_ATOMIC_BOOL_LOCK_FREE 2
+// CHECK-ATOMIC: #define __CLANG_ATOMIC_CHAR16_T_LOCK_FREE 2
+// CHECK-ATOMIC: #define __CLANG_ATOMIC_CHAR32_T_LOCK_FREE 2
+// CHECK-ATOMIC: #define __CLANG_ATOMIC_CHAR_LOCK_FREE 2
+// CHECK-ATOMIC: #define __CLANG_ATOMIC_INT_LOCK_FREE 2
+// CHECK-ATOMIC: #define __CLANG_ATOMIC_LLONG_LOCK_FREE 2
+// CHECK-ATOMIC: #define __CLANG_ATOMIC_LONG_LOCK_FREE 2
+// CHECK-ATOMIC: #define __CLANG_ATOMIC_POINTER_LOCK_FREE 2
+// CHECK-ATOMIC: #define __CLANG_ATOMIC_SHORT_LOCK_FREE 2
+// CHECK-ATOMIC: #define __CLANG_ATOMIC_WCHAR_T_LOCK_FREE 2
+
Index: clang/lib/Basic/Targets/Hexagon.h
===================================================================
--- clang/lib/Basic/Targets/Hexagon.h
+++ clang/lib/Basic/Targets/Hexagon.h
@@ -57,6 +57,7 @@
LargeArrayAlign = 64;
UseBitFieldTypeAlignment = true;
ZeroLengthBitfieldBoundary = 32;
+ MaxAtomicPromoteWidth = MaxAtomicInlineWidth = 64;
// These are the default values anyway, but explicitly make sure
// that the size of the boolean type is 8 bits. Bool vectors are used
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