R600/SI: Using SGPRs is illegal for instructions that read carry-out from VCC

[oota-llvm.git] / lib / Support / APFloat.cpp

diff --git a/lib/Support/APFloat.cpp b/lib/Support/APFloat.cpp
index deb9b05206b3189f0a71e73c2facf59a33e0d24d..85ce31bcabcbbe1796b9dc4c4fd508ae9a82db73 100644 (file)
--- a/lib/Support/APFloat.cpp
+++ b/lib/Support/APFloat.cpp
@@ -683,6 +683,20 @@ APFloat::operator=(const APFloat &rhs)
   return *this;
 }
 
+APFloat &
+APFloat::operator=(APFloat &&rhs) {
+  freeSignificand();
+
+  semantics = rhs.semantics;
+  significand = rhs.significand;
+  exponent = rhs.exponent;
+  category = rhs.category;
+  sign = rhs.sign;
+
+  rhs.semantics = &Bogus;
+  return *this;
+}
+
 bool
 APFloat::isDenormal() const {
   return isFiniteNonZero() && (exponent == semantics->minExponent) &&
@@ -806,6 +820,10 @@ APFloat::APFloat(const APFloat &rhs) {
   assign(rhs);
 }
 
+APFloat::APFloat(APFloat &&rhs) : semantics(&Bogus) {
+  *this = std::move(rhs);
+}
+
 APFloat::~APFloat()
 {
   freeSignificand();