[PATCH] D103707: [AIX] Define __STDC_NO_ATOMICS__ and __STDC_NO_THREADS__ predefined macros

Mon, 07 Jun 2021 19:04:53 -0700 

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rGe6629be31e67: [AIX] Define __STDC_NO_ATOMICS__ and 
__STDC_NO_THREADS__ predefined macros (authored by Jake-Egan, committed by 
cbowler <cbow...@pcoral03.rtp.raleigh.ibm.com>).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D103707/new/

https://reviews.llvm.org/D103707

Files:
  clang/lib/Basic/Targets/OSTargets.h
  clang/test/Preprocessor/init-ppc.c


Index: clang/test/Preprocessor/init-ppc.c
===================================================================
--- clang/test/Preprocessor/init-ppc.c
+++ clang/test/Preprocessor/init-ppc.c
@@ -723,6 +723,16 @@
 // RUN: %clang_cc1 -E -dM -ffreestanding -triple=powerpc-ibm-aix7.1.0.0 
-fno-signed-char < /dev/null | FileCheck -match-full-lines -check-prefix 
PPC-AIX-NOTHREADSAFE %s
 // PPC-AIX-NOTHREADSAFE-NOT:#define _THREAD_SAFE 1
 
+// RUN: %clang_cc1 -x c -std=c11 -E -dM -ffreestanding 
-triple=powerpc-ibm-aix7.1.0.0 -fno-signed-char < /dev/null | FileCheck 
-match-full-lines -check-prefix PPC-AIX-STDC %s
+// RUN: %clang_cc1 -x c -std=gnu11 -E -dM -ffreestanding 
-triple=powerpc-ibm-aix7.1.0.0 -fno-signed-char < /dev/null | FileCheck 
-match-full-lines -check-prefix PPC-AIX-STDC %s
+// RUN: %clang_cc1 -x c -std=c17 -E -dM -ffreestanding 
-triple=powerpc-ibm-aix7.1.0.0 -fno-signed-char < /dev/null | FileCheck 
-match-full-lines -check-prefix PPC-AIX-STDC %s
+// PPC-AIX-STDC:#define __STDC_NO_ATOMICS__ 1
+// PPC-AIX-STDC:#define __STDC_NO_THREADS__ 1
+
+// RUN: %clang_cc1 -x c -std=c99 -E -dM -ffreestanding 
-triple=powerpc-ibm-aix7.1.0.0 -fno-signed-char < /dev/null | FileCheck 
-match-full-lines -check-prefix PPC-AIX-STDC-N %s
+// PPC-AIX-STDC-N-NOT:#define __STDC_NO_ATOMICS__ 1
+// PPC-AIX-STDC-N-NOT:#define __STDC_NO_THREADS__ 1
+
 // RUN: %clang_cc1 -E -dM -ffreestanding -triple=powerpc-unknown-linux-gnu 
-fno-signed-char < /dev/null | FileCheck -match-full-lines -check-prefix 
PPC-LINUX %s
 //
 // PPC-LINUX:#define _ARCH_PPC 1
Index: clang/lib/Basic/Targets/OSTargets.h
===================================================================
--- clang/lib/Basic/Targets/OSTargets.h
+++ clang/lib/Basic/Targets/OSTargets.h
@@ -676,6 +676,11 @@
 
     Builder.defineMacro("_AIX");
 
+    if (LangStandard::getLangStandardForKind(Opts.LangStd).isC11()) {
+      Builder.defineMacro("__STDC_NO_ATOMICS__");
+      Builder.defineMacro("__STDC_NO_THREADS__");
+    }
+
     if (Opts.EnableAIXExtendedAltivecABI)
       Builder.defineMacro("__EXTABI__");
 



Index: clang/test/Preprocessor/init-ppc.c
===================================================================
--- clang/test/Preprocessor/init-ppc.c
+++ clang/test/Preprocessor/init-ppc.c
@@ -723,6 +723,16 @@
 // RUN: %clang_cc1 -E -dM -ffreestanding -triple=powerpc-ibm-aix7.1.0.0 -fno-signed-char < /dev/null | FileCheck -match-full-lines -check-prefix PPC-AIX-NOTHREADSAFE %s
 // PPC-AIX-NOTHREADSAFE-NOT:#define _THREAD_SAFE 1
 
+// RUN: %clang_cc1 -x c -std=c11 -E -dM -ffreestanding -triple=powerpc-ibm-aix7.1.0.0 -fno-signed-char < /dev/null | FileCheck -match-full-lines -check-prefix PPC-AIX-STDC %s
+// RUN: %clang_cc1 -x c -std=gnu11 -E -dM -ffreestanding -triple=powerpc-ibm-aix7.1.0.0 -fno-signed-char < /dev/null | FileCheck -match-full-lines -check-prefix PPC-AIX-STDC %s
+// RUN: %clang_cc1 -x c -std=c17 -E -dM -ffreestanding -triple=powerpc-ibm-aix7.1.0.0 -fno-signed-char < /dev/null | FileCheck -match-full-lines -check-prefix PPC-AIX-STDC %s
+// PPC-AIX-STDC:#define __STDC_NO_ATOMICS__ 1
+// PPC-AIX-STDC:#define __STDC_NO_THREADS__ 1
+
+// RUN: %clang_cc1 -x c -std=c99 -E -dM -ffreestanding -triple=powerpc-ibm-aix7.1.0.0 -fno-signed-char < /dev/null | FileCheck -match-full-lines -check-prefix PPC-AIX-STDC-N %s
+// PPC-AIX-STDC-N-NOT:#define __STDC_NO_ATOMICS__ 1
+// PPC-AIX-STDC-N-NOT:#define __STDC_NO_THREADS__ 1
+
 // RUN: %clang_cc1 -E -dM -ffreestanding -triple=powerpc-unknown-linux-gnu -fno-signed-char < /dev/null | FileCheck -match-full-lines -check-prefix PPC-LINUX %s
 //
 // PPC-LINUX:#define _ARCH_PPC 1
Index: clang/lib/Basic/Targets/OSTargets.h
===================================================================
--- clang/lib/Basic/Targets/OSTargets.h
+++ clang/lib/Basic/Targets/OSTargets.h
@@ -676,6 +676,11 @@
 
     Builder.defineMacro("_AIX");
 
+    if (LangStandard::getLangStandardForKind(Opts.LangStd).isC11()) {
+      Builder.defineMacro("__STDC_NO_ATOMICS__");
+      Builder.defineMacro("__STDC_NO_THREADS__");
+    }
+
     if (Opts.EnableAIXExtendedAltivecABI)
       Builder.defineMacro("__EXTABI__");
 

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