[clang] 86f2a3d - [PowerPC] Add __PCREL__ when PC Relative is enabled.

[Stefan Pintilie via cfe-commits]

Author: Stefan Pintilie
Date: 2021-03-15T15:13:02-05:00
New Revision: 86f2a3d17878e430109be209fdb013fb3f4716ee

URL: https://github.com/llvm/llvm-project/commit/86f2a3d17878e430109be209fdb013fb3f4716ee
DIFF: https://github.com/llvm/llvm-project/commit/86f2a3d17878e430109be209fdb013fb3f4716ee.diff

LOG: [PowerPC] Add __PCREL__ when PC Relative is enabled.

This patch adds the `__PCREL__` define when PC Relative addressing is enabled.

Reviewed By: nemanjai, #powerpc

Differential Revision: https://reviews.llvm.org/D98546

Added: 
    

Modified: 
    clang/lib/Basic/Targets/PPC.cpp
    clang/test/Preprocessor/init-ppc64.c

Removed: 
    


################################################################################
diff  --git a/clang/lib/Basic/Targets/PPC.cpp b/clang/lib/Basic/Targets/PPC.cpp
index 78397abfe1f5..57f5de1d0c66 100644
--- a/clang/lib/Basic/Targets/PPC.cpp
+++ b/clang/lib/Basic/Targets/PPC.cpp
@@ -199,6 +199,8 @@ void PPCTargetInfo::getTargetDefines(const LangOptions &Opts,
     Builder.defineMacro("__ROP_PROTECTION__");
   if (HasP10Vector)
     Builder.defineMacro("__POWER10_VECTOR__");
+  if (HasPCRelativeMemops)
+    Builder.defineMacro("__PCREL__");
 
   Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1");
   Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2");

diff  --git a/clang/test/Preprocessor/init-ppc64.c b/clang/test/Preprocessor/init-ppc64.c
index 163e86b919bc..08368f323d44 100644
--- a/clang/test/Preprocessor/init-ppc64.c
+++ b/clang/test/Preprocessor/init-ppc64.c
@@ -633,6 +633,7 @@
 // PPCPOWER10:#define _ARCH_PWR8 1
 // PPCPOWER10:#define _ARCH_PWR9 1
 // PPCPOWER10:#define __MMA__ 1
+// PPCPOWER10:#define __PCREL__ 1
 // PPCPOWER10-NOT:#define __ROP_PROTECTION__ 1
 //
 // RUN: %clang_cc1 -E -dM -ffreestanding -triple=powerpc64-none-none -target-cpu future -fno-signed-char < /dev/null | FileCheck -match-full-lines -check-prefix PPCFUTURE %s
@@ -652,6 +653,7 @@
 // PPCFUTURE:#define _ARCH_PWR9 1
 // PPCFUTURE:#define _ARCH_PWR_FUTURE 1
 // PPCFUTURE:#define __MMA__ 1
+// PPCFUTURE:#define __PCREL__ 1
 // PPCFUTURE-NOT:#define __ROP_PROTECTION__ 1
 //
 // RUN: %clang_cc1 -E -dM -ffreestanding -triple=powerpc64-none-none -target-feature +mma -target-cpu power10 -fno-signed-char < /dev/null | FileCheck -check-prefix PPC-MMA %s