From 94e1d5831ba0eea30331744cfb0ff111d07d6b31 Mon Sep 17 00:00:00 2001
From: Andrey Bokhanko <andreybokhanko@gmail.com>
Date: Thu, 5 Nov 2015 12:43:09 +0000
Subject: [x86] Additional small fix for MCU psABI support

This patch fixes one more thing in MCU psABI support: LongDoubleWidth should be set to 64.

Differential Revision: http://reviews.llvm.org/D14285

llvm-svn: 252156
---
 clang/lib/Basic/Targets.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'clang/lib/Basic/Targets.cpp')

diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp
index 70fa6b3f1bf..a88c614e1f4 100644
--- a/clang/lib/Basic/Targets.cpp
+++ b/clang/lib/Basic/Targets.cpp
@@ -2335,8 +2335,7 @@ class X86TargetInfo : public TargetInfo {
 public:
   X86TargetInfo(const llvm::Triple &Triple) : TargetInfo(Triple) {
     BigEndian = false;
-    LongDoubleFormat = Triple.isOSIAMCU() ? &llvm::APFloat::IEEEdouble
-                                          : &llvm::APFloat::x87DoubleExtended;
+    LongDoubleFormat = &llvm::APFloat::x87DoubleExtended;
   }
   unsigned getFloatEvalMethod() const override {
     // X87 evaluates with 80 bits "long double" precision.
@@ -3624,6 +3623,11 @@ public:
     IntPtrType = SignedInt;
     RegParmMax = 3;
 
+    if (getTriple().isOSIAMCU()) {
+      LongDoubleWidth = 64;
+      LongDoubleFormat = &llvm::APFloat::IEEEdouble;
+    }
+
     // Use fpret for all types.
     RealTypeUsesObjCFPRet = ((1 << TargetInfo::Float) |
                              (1 << TargetInfo::Double) |
-- 
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