[clang] 1b52e9b - [AIX] Define __LONGDOUBLE64 macro

[Jake Egan via cfe-commits]

Author: Jake Egan
Date: 2021-07-22T16:05:14-04:00
New Revision: 1b52e9bac207cd4bdcd9091178527aa39049c270

URL: https://github.com/llvm/llvm-project/commit/1b52e9bac207cd4bdcd9091178527aa39049c270
DIFF: https://github.com/llvm/llvm-project/commit/1b52e9bac207cd4bdcd9091178527aa39049c270.diff

LOG: [AIX] Define __LONGDOUBLE64 macro

This patch defines the macro __LONGDOUBLE64 for AIX when long double is 8 bytes.

Reviewed By: cebowleratibm

Differential Revision: https://reviews.llvm.org/D105477

Added: 
    

Modified: 
    clang/lib/Basic/Targets/PPC.cpp
    clang/test/Preprocessor/init-ppc.c

Removed: 
    


################################################################################
diff  --git a/clang/lib/Basic/Targets/PPC.cpp b/clang/lib/Basic/Targets/PPC.cpp
index 409504d054f14..59656888e25f9 100644
--- a/clang/lib/Basic/Targets/PPC.cpp
+++ b/clang/lib/Basic/Targets/PPC.cpp
@@ -296,6 +296,11 @@ void PPCTargetInfo::getTargetDefines(const LangOptions &Opts,
       Builder.defineMacro("__LONG_DOUBLE_IBM128__");
   }
 
+  if (getTriple().isOSAIX() && Opts.LongDoubleSize == 64) {
+    assert(LongDoubleWidth == 64);
+    Builder.defineMacro("__LONGDOUBLE64");
+  }
+
   // Define this for elfv2 (64-bit only) or 64-bit darwin.
   if (ABI == "elfv2" ||
       (getTriple().getOS() == llvm::Triple::Darwin && PointerWidth == 64))

diff  --git a/clang/test/Preprocessor/init-ppc.c b/clang/test/Preprocessor/init-ppc.c
index 4803a8511c7ed..cbcd10fa1ae52 100644
--- a/clang/test/Preprocessor/init-ppc.c
+++ b/clang/test/Preprocessor/init-ppc.c
@@ -758,6 +758,9 @@
 // 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-ibm-aix7.1.0.0 -mlong-double-64 < /dev/null | FileCheck -match-full-lines -check-prefix PPC-AIX-LD64 %s
+// PPC-AIX-LD64:#define __LONGDOUBLE64 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