[PATCH] D106074: [AIX] Emit unsupported 128-bit long double option for AIX

[Anjan Kumar via Phabricator via cfe-commits]

anjankgk created this revision.
anjankgk added reviewers: daltenty, Whitney, hubert.reinterpretcast.
anjankgk requested review of this revision.
Herald added a project: clang.
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AIX currently doesn't support the 128-bit long double.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D106074

Files:
  clang/lib/Driver/ToolChains/Clang.cpp
  clang/test/Driver/unsupported-option.c


Index: clang/test/Driver/unsupported-option.c
===================================================================
--- clang/test/Driver/unsupported-option.c
+++ clang/test/Driver/unsupported-option.c
@@ -21,3 +21,11 @@
 // RUN: not %clang -fprofile-generate -flto=thin --target=powerpc64-ibm-aix %s 
2>&1 | \
 // RUN: FileCheck %s --check-prefix=AIX-PROFILE-THINLTO
 // AIX-PROFILE-THINLTO: error: invalid argument '-fprofile-generate' only 
allowed with '-flto'
+
+// RUN: not %clang --target=powerpc-ibm-aix %s -mlong-double-128 2>&1 | \
+// RUN: FileCheck %s --check-prefix=AIX-LONGDOUBLE128-ERR
+// AIX-LONGDOUBLE128-ERR: error: unsupported option '-mlong-double-128' for 
target 'powerpc-ibm-aix'
+
+// RUN: not %clang --target=powerpc64-ibm-aix %s -mlong-double-128 2>&1 | \
+// RUN: FileCheck %s --check-prefix=AIX64-LONGDOUBLE128-ERR
+// AIX64-LONGDOUBLE128-ERR: error: unsupported option '-mlong-double-128' for 
target 'powerpc64-ibm-aix'
Index: clang/lib/Driver/ToolChains/Clang.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Clang.cpp
+++ clang/lib/Driver/ToolChains/Clang.cpp
@@ -4841,6 +4841,13 @@
       CmdArgs.push_back("-mabi=vec-default");
   }
 
+  if (Arg *A = Args.getLastArg(options::OPT_mlong_double_128)) {
+    // AIX doesn't support 128-bit long double yet.
+    if (Triple.isOSAIX())
+      D.Diag(diag::err_drv_unsupported_opt_for_target)
+          << A->getSpelling() << RawTriple.str();
+  }
+
   if (Arg *A = Args.getLastArg(options::OPT_Wframe_larger_than_EQ)) {
     StringRef v = A->getValue();
     // FIXME: Validate the argument here so we don't produce meaningless errors



Index: clang/test/Driver/unsupported-option.c
===================================================================
--- clang/test/Driver/unsupported-option.c
+++ clang/test/Driver/unsupported-option.c
@@ -21,3 +21,11 @@
 // RUN: not %clang -fprofile-generate -flto=thin --target=powerpc64-ibm-aix %s 2>&1 | \
 // RUN: FileCheck %s --check-prefix=AIX-PROFILE-THINLTO
 // AIX-PROFILE-THINLTO: error: invalid argument '-fprofile-generate' only allowed with '-flto'
+
+// RUN: not %clang --target=powerpc-ibm-aix %s -mlong-double-128 2>&1 | \
+// RUN: FileCheck %s --check-prefix=AIX-LONGDOUBLE128-ERR
+// AIX-LONGDOUBLE128-ERR: error: unsupported option '-mlong-double-128' for target 'powerpc-ibm-aix'
+
+// RUN: not %clang --target=powerpc64-ibm-aix %s -mlong-double-128 2>&1 | \
+// RUN: FileCheck %s --check-prefix=AIX64-LONGDOUBLE128-ERR
+// AIX64-LONGDOUBLE128-ERR: error: unsupported option '-mlong-double-128' for target 'powerpc64-ibm-aix'
Index: clang/lib/Driver/ToolChains/Clang.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Clang.cpp
+++ clang/lib/Driver/ToolChains/Clang.cpp
@@ -4841,6 +4841,13 @@
       CmdArgs.push_back("-mabi=vec-default");
   }
 
+  if (Arg *A = Args.getLastArg(options::OPT_mlong_double_128)) {
+    // AIX doesn't support 128-bit long double yet.
+    if (Triple.isOSAIX())
+      D.Diag(diag::err_drv_unsupported_opt_for_target)
+          << A->getSpelling() << RawTriple.str();
+  }
+
   if (Arg *A = Args.getLastArg(options::OPT_Wframe_larger_than_EQ)) {
     StringRef v = A->getValue();
     // FIXME: Validate the argument here so we don't produce meaningless errors

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