[PATCH] D140695: [M68k] Define __GCC_HAVE_SYNC_COMPARE_AND_SWAP macros

[Brad Smith via Phabricator via cfe-commits]

brad updated this revision to Diff 485582.

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D140695/new/

https://reviews.llvm.org/D140695

Files:
  clang/lib/Basic/Targets/M68k.cpp
  clang/test/Preprocessor/predefined-arch-macros.c


Index: clang/test/Preprocessor/predefined-arch-macros.c
===================================================================
--- clang/test/Preprocessor/predefined-arch-macros.c
+++ clang/test/Preprocessor/predefined-arch-macros.c
@@ -4313,3 +4313,20 @@
 // RUN:   | FileCheck -match-full-lines %s -check-prefix=CHECK_R600_FP64
 // CHECK_R600_FP64-DAG: #define __R600__ 1
 // CHECK_R600_FP64-DAG: #define __HAS_FMAF__ 1
+
+// Begin M68k tests ----------------
+
+// RUN: %clang -mcpu=68000 -E -dM %s -o - 2>&1 \
+// RUN:     -target m68k-unknown-linux \
+// RUN:   | FileCheck -match-full-lines %s 
-check-prefix=CHECK_M68K_68000_ATOMICS
+// RUN: %clang -mcpu=68010 -E -dM %s -o - 2>&1 \
+// RUN:     -target m68k-unknown-linux \
+// RUN:   | FileCheck -match-full-lines %s 
-check-prefix=CHECK_M68K_68000_ATOMICS
+// RUN: %clang -mcpu=68020 -E -dM %s -o - 2>&1 \
+// RUN:     -target m68k-unknown-linux \
+// RUN:   | FileCheck -match-full-lines %s 
-check-prefix=CHECK_M68K_68020_ATOMICS
+
+// CHECK_M68K_68000_ATOMICS-NOT: #define __GCC_HAVE_SYNC_COMPARE_AND_SWAP
+// CHECK_M68K_68020_ATOMICS: #define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1 1
+// CHECK_M68K_68020_ATOMICS: #define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2 1
+// CHECK_M68K_68020_ATOMICS: #define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4 1
Index: clang/lib/Basic/Targets/M68k.cpp
===================================================================
--- clang/lib/Basic/Targets/M68k.cpp
+++ clang/lib/Basic/Targets/M68k.cpp
@@ -113,6 +113,12 @@
   default:
     break;
   }
+
+  if (CPU >= CK_68020) {
+    Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1");
+    Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2");
+    Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4");
+  }
 }
 
 ArrayRef<Builtin::Info> M68kTargetInfo::getTargetBuiltins() const {



Index: clang/test/Preprocessor/predefined-arch-macros.c
===================================================================
--- clang/test/Preprocessor/predefined-arch-macros.c
+++ clang/test/Preprocessor/predefined-arch-macros.c
@@ -4313,3 +4313,20 @@
 // RUN:   | FileCheck -match-full-lines %s -check-prefix=CHECK_R600_FP64
 // CHECK_R600_FP64-DAG: #define __R600__ 1
 // CHECK_R600_FP64-DAG: #define __HAS_FMAF__ 1
+
+// Begin M68k tests ----------------
+
+// RUN: %clang -mcpu=68000 -E -dM %s -o - 2>&1 \
+// RUN:     -target m68k-unknown-linux \
+// RUN:   | FileCheck -match-full-lines %s -check-prefix=CHECK_M68K_68000_ATOMICS
+// RUN: %clang -mcpu=68010 -E -dM %s -o - 2>&1 \
+// RUN:     -target m68k-unknown-linux \
+// RUN:   | FileCheck -match-full-lines %s -check-prefix=CHECK_M68K_68000_ATOMICS
+// RUN: %clang -mcpu=68020 -E -dM %s -o - 2>&1 \
+// RUN:     -target m68k-unknown-linux \
+// RUN:   | FileCheck -match-full-lines %s -check-prefix=CHECK_M68K_68020_ATOMICS
+
+// CHECK_M68K_68000_ATOMICS-NOT: #define __GCC_HAVE_SYNC_COMPARE_AND_SWAP
+// CHECK_M68K_68020_ATOMICS: #define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1 1
+// CHECK_M68K_68020_ATOMICS: #define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2 1
+// CHECK_M68K_68020_ATOMICS: #define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4 1
Index: clang/lib/Basic/Targets/M68k.cpp
===================================================================
--- clang/lib/Basic/Targets/M68k.cpp
+++ clang/lib/Basic/Targets/M68k.cpp
@@ -113,6 +113,12 @@
   default:
     break;
   }
+
+  if (CPU >= CK_68020) {
+    Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1");
+    Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2");
+    Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4");
+  }
 }
 
 ArrayRef<Builtin::Info> M68kTargetInfo::getTargetBuiltins() const {

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