[PATCH] D159159: [PowerPC] Disable float128 on AIX in Clang

[Qiu Chaofan via Phabricator via cfe-commits]

qiucf created this revision.
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Herald added subscribers: steven.zhang, shchenz, kbarton, nemanjai.
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Herald added a project: clang.
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PowerPC AIX backend does not support float128 at all. Diagnose even when 
specifying `-mfloat128` to avoid backend crash.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D159159

Files:
  clang/lib/Basic/Targets/PPC.cpp
  clang/test/Sema/128bitfloat.cpp


Index: clang/test/Sema/128bitfloat.cpp
===================================================================
--- clang/test/Sema/128bitfloat.cpp
+++ clang/test/Sema/128bitfloat.cpp
@@ -1,6 +1,7 @@
 // RUN: %clang_cc1 -verify -std=gnu++11 %s
 // RUN: %clang_cc1 -verify -std=c++11 %s
 // RUN: %clang_cc1 -triple powerpc64-linux -verify -std=c++11 %s
+// RUN: %clang_cc1 -triple powerpc64-ibm-aix -target-feature +float128 -verify 
-std=c++11 %s
 // RUN: %clang_cc1 -triple i686-windows-gnu -verify -std=c++11 %s
 // RUN: %clang_cc1 -triple x86_64-windows-gnu -verify -std=c++11 %s
 // RUN: %clang_cc1 -triple x86_64-windows-msvc -verify -std=c++11 %s
Index: clang/lib/Basic/Targets/PPC.cpp
===================================================================
--- clang/lib/Basic/Targets/PPC.cpp
+++ clang/lib/Basic/Targets/PPC.cpp
@@ -52,7 +52,7 @@
       HasDirectMove = true;
     } else if (Feature == "+htm") {
       HasHTM = true;
-    } else if (Feature == "+float128") {
+    } else if (Feature == "+float128" && !getTriple().isOSAIX()) {
       HasFloat128 = true;
     } else if (Feature == "+power9-vector") {
       HasP9Vector = true;



Index: clang/test/Sema/128bitfloat.cpp
===================================================================
--- clang/test/Sema/128bitfloat.cpp
+++ clang/test/Sema/128bitfloat.cpp
@@ -1,6 +1,7 @@
 // RUN: %clang_cc1 -verify -std=gnu++11 %s
 // RUN: %clang_cc1 -verify -std=c++11 %s
 // RUN: %clang_cc1 -triple powerpc64-linux -verify -std=c++11 %s
+// RUN: %clang_cc1 -triple powerpc64-ibm-aix -target-feature +float128 -verify -std=c++11 %s
 // RUN: %clang_cc1 -triple i686-windows-gnu -verify -std=c++11 %s
 // RUN: %clang_cc1 -triple x86_64-windows-gnu -verify -std=c++11 %s
 // RUN: %clang_cc1 -triple x86_64-windows-msvc -verify -std=c++11 %s
Index: clang/lib/Basic/Targets/PPC.cpp
===================================================================
--- clang/lib/Basic/Targets/PPC.cpp
+++ clang/lib/Basic/Targets/PPC.cpp
@@ -52,7 +52,7 @@
       HasDirectMove = true;
     } else if (Feature == "+htm") {
       HasHTM = true;
-    } else if (Feature == "+float128") {
+    } else if (Feature == "+float128" && !getTriple().isOSAIX()) {
       HasFloat128 = true;
     } else if (Feature == "+power9-vector") {
       HasP9Vector = true;

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