diff --git a/clang/include/clang/Basic/BuiltinsPPC.def b/clang/include/clang/Basic/BuiltinsPPC.def
--- a/clang/include/clang/Basic/BuiltinsPPC.def
+++ b/clang/include/clang/Basic/BuiltinsPPC.def
@@ -45,6 +45,21 @@
 BUILTIN(__builtin_ppc_dcbtst, "vv*", "")
 BUILTIN(__builtin_ppc_dcbz, "vv*", "")
 BUILTIN(__builtin_ppc_icbt, "vv*", "")
+BUILTIN(__builtin_ppc_fric, "dd", "")
+BUILTIN(__builtin_ppc_frim, "dd", "")
+BUILTIN(__builtin_ppc_frims, "ff", "")
+BUILTIN(__builtin_ppc_frin, "dd", "")
+BUILTIN(__builtin_ppc_frins, "ff", "")
+BUILTIN(__builtin_ppc_frip, "dd", "")
+BUILTIN(__builtin_ppc_frips, "ff", "")
+BUILTIN(__builtin_ppc_friz, "dd", "")
+BUILTIN(__builtin_ppc_frizs, "ff", "")
+BUILTIN(__builtin_ppc_fsel, "dddd", "")
+BUILTIN(__builtin_ppc_fsels, "ffff", "")
+BUILTIN(__builtin_ppc_frsqrte, "dd", "")
+BUILTIN(__builtin_ppc_frsqrtes, "ff", "")
+BUILTIN(__builtin_ppc_fsqrt, "dd", "")
+BUILTIN(__builtin_ppc_fsqrts, "ff", "")
 
 BUILTIN(__builtin_ppc_get_timebase, "ULLi", "n")
 
diff --git a/clang/lib/Basic/Targets/PPC.h b/clang/lib/Basic/Targets/PPC.h
--- a/clang/lib/Basic/Targets/PPC.h
+++ b/clang/lib/Basic/Targets/PPC.h
@@ -367,6 +367,21 @@
     Builder.defineMacro("__dcbtst", "__builtin_ppc_dcbtst");
     Builder.defineMacro("__dcbz", "__builtin_ppc_dcbz");
     Builder.defineMacro("__icbt", "__builtin_ppc_icbt");
+    Builder.defineMacro("__fric", "__builtin_ppc_fric");
+    Builder.defineMacro("__frim", "__builtin_ppc_frim");
+    Builder.defineMacro("__frims", "__builtin_ppc_frims");
+    Builder.defineMacro("__frin", "__builtin_ppc_frin");
+    Builder.defineMacro("__frins", "__builtin_ppc_frins");
+    Builder.defineMacro("__frip", "__builtin_ppc_frip");
+    Builder.defineMacro("__frips", "__builtin_ppc_frips");
+    Builder.defineMacro("__friz", "__builtin_ppc_friz");
+    Builder.defineMacro("__frizs", "__builtin_ppc_frizs");
+    Builder.defineMacro("__fsel", "__builtin_ppc_fsel");
+    Builder.defineMacro("__fsels", "__builtin_ppc_fsels");
+    Builder.defineMacro("__frsqrte", "__builtin_ppc_frsqrte");
+    Builder.defineMacro("__frsqrtes", "__builtin_ppc_frsqrtes");
+    Builder.defineMacro("__fsqrt", "__builtin_ppc_fsqrt");
+    Builder.defineMacro("__fsqrts", "__builtin_ppc_fsqrts");
   }
 };
 
diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp
--- a/clang/lib/CodeGen/CGBuiltin.cpp
+++ b/clang/lib/CodeGen/CGBuiltin.cpp
@@ -15416,6 +15416,41 @@
     Value *Call = Builder.CreateCall(F, CallOps);
     return Builder.CreateAlignedStore(Call, Ops[0], MaybeAlign(64));
   }
+  case PPC::BI__builtin_ppc_fric:
+    return RValue::get(emitUnaryMaybeConstrainedFPBuiltin(
+                           *this, E, Intrinsic::rint,
+                           Intrinsic::experimental_constrained_rint))
+        .getScalarVal();
+  case PPC::BI__builtin_ppc_frim:
+  case PPC::BI__builtin_ppc_frims:
+    return RValue::get(emitUnaryMaybeConstrainedFPBuiltin(
+                           *this, E, Intrinsic::floor,
+                           Intrinsic::experimental_constrained_floor))
+        .getScalarVal();
+  case PPC::BI__builtin_ppc_frin:
+  case PPC::BI__builtin_ppc_frins:
+    return RValue::get(emitUnaryMaybeConstrainedFPBuiltin(
+                           *this, E, Intrinsic::round,
+                           Intrinsic::experimental_constrained_round))
+        .getScalarVal();
+  case PPC::BI__builtin_ppc_frip:
+  case PPC::BI__builtin_ppc_frips:
+    return RValue::get(emitUnaryMaybeConstrainedFPBuiltin(
+                           *this, E, Intrinsic::ceil,
+                           Intrinsic::experimental_constrained_ceil))
+        .getScalarVal();
+  case PPC::BI__builtin_ppc_friz:
+  case PPC::BI__builtin_ppc_frizs:
+    return RValue::get(emitUnaryMaybeConstrainedFPBuiltin(
+                           *this, E, Intrinsic::trunc,
+                           Intrinsic::experimental_constrained_trunc))
+        .getScalarVal();
+  case PPC::BI__builtin_ppc_fsqrt:
+  case PPC::BI__builtin_ppc_fsqrts:
+    return RValue::get(emitUnaryMaybeConstrainedFPBuiltin(
+                           *this, E, Intrinsic::sqrt,
+                           Intrinsic::experimental_constrained_sqrt))
+        .getScalarVal();
   }
 }
 
diff --git a/clang/test/CodeGen/builtins-ppc-xlcompat-fp.c b/clang/test/CodeGen/builtins-ppc-xlcompat-fp.c
new file mode 100644
--- /dev/null
+++ b/clang/test/CodeGen/builtins-ppc-xlcompat-fp.c
@@ -0,0 +1,249 @@
+// RUN: %clang_cc1 -triple powerpc64-unknown-unknown \
+// RUN: -emit-llvm %s -o - -target-cpu pwr7 | FileCheck %s
+// RUN: %clang_cc1 -triple powerpc64le-unknown-unknown \
+// RUN: -emit-llvm %s -o - -target-cpu pwr8 | FileCheck %s
+// RUN: %clang_cc1 -triple powerpc64-unknown-aix \
+// RUN: -emit-llvm %s -o - -target-cpu pwr7 | FileCheck %s
+// RUN: %clang_cc1 -triple powerpc-unknown-aix \
+// RUN: -emit-llvm %s -o - -target-cpu pwr7 | FileCheck %s
+
+double test_fric(double a) {
+// CHECK-LABEL: @test_fric
+// CHECK-NEXT:  entry:
+
+  return __fric(a);
+// CHECK: %2 = call double @llvm.rint.f64(double %1)
+}
+
+double test_frim(double a) {
+// CHECK-LABEL: @test_frim
+// CHECK-NEXT:  entry:
+
+  return __frim(a);
+// CHECK: %2 = call double @llvm.floor.f64(double %1) 
+}
+
+float test_frims(float a) {
+// CHECK-LABEL: @test_frims
+// CHECK-NEXT:  entry:
+
+  return __frims(a);
+// CHECK: %2 = call float @llvm.floor.f32(float %1)
+}
+
+double test_frin(double a) {
+// CHECK-LABEL: @test_frin
+// CHECK-NEXT:  entry:
+
+  return __frin(a);
+// CHECK: %2 = call double @llvm.round.f64(double %1)
+}
+
+float test_frins(float a) {
+// CHECK-LABEL: @test_frins
+// CHECK-NEXT:  entry:
+
+  return __frins(a);
+// CHECK: %2 = call float @llvm.round.f32(float %1)
+}
+
+double test_frip(double a) {
+// CHECK-LABEL: @test_frip
+// CHECK-NEXT:  entry:
+
+  return __frip(a);
+// CHECK: %2 = call double @llvm.ceil.f64(double %1)
+}
+
+float test_frips(float a) {
+// CHECK-LABEL: @test_frips
+// CHECK-NEXT: entry:
+
+  return __frips(a);
+// CHECK: %2 = call float @llvm.ceil.f32(float %1)
+}
+
+double test_friz(double a) {
+// CHECK-LABEL: @test_friz
+// CHECK-NEXT:  entry:
+
+  return __friz(a);
+// CHECK: %2 = call double @llvm.trunc.f64(double %1)
+}
+
+float test_frizs(float a) {
+// CHECK-LABEL: @test_frizs
+// CHECK-NEXT:  entry:
+
+  return __frizs(a);
+// CHECK: %2 = call float @llvm.trunc.f32(float %1)
+}
+
+double test_fsel(double a, double b, double c) {
+// CHECK-LABEL: @test_fsel
+// CHECK-NEXT:  entry:
+
+  return __fsel(a, b, c);
+// CHECK: %3 = call double @llvm.ppc.fsel(double %0, double %1, double %2)
+}
+
+float test_fsels(float a, float b, float c) {
+// CHECK-LABEL: @test_fsels
+// CHECK-NEXT:  entry:
+
+  return __fsels(a, b, c);
+// CHECK: %3 = call float @llvm.ppc.fsels(float %0, float %1, float %2)
+}
+
+double test_frsqrte(double a) {
+// CHECK-LABEL: @test_frsqrte
+// CHECK-NEXT:  entry:
+
+  return __frsqrte(a);
+// CHECK: %1 = call double @llvm.ppc.frsqrte(double %0)
+}
+
+float test_frsqrtes(float a) {
+// CHECK-LABEL: @test_frsqrtes
+// CHECK-NEXT:  entry:
+
+  return __frsqrtes(a);
+// CHECK: %1 = call float @llvm.ppc.frsqrtes(float %0)
+}
+
+double test_fsqrt(double a) {
+// CHECK-LABEL: @test_fsqrt
+// CHECK-NEXT:  entry:
+
+  return __fsqrt(a);
+// CHECK: %2 = call double @llvm.sqrt.f64(double %1)
+}
+
+float test_fsqrts(float a) {
+// CHECK-LABEL: @test_fsqrts
+// CHECK-NEXT:  entry:
+
+  return __fsqrts(a);
+// CHECK: %2 = call float @llvm.sqrt.f32(float %1)
+}
+
+double test_builtin_ppc_fric(double a) {
+// CHECK-LABEL: @test_builtin_ppc_fric
+// CHECK-NEXT:  entry:
+
+  return __builtin_ppc_fric(a);
+// CHECK: %2 = call double @llvm.rint.f64(double %1)
+}
+
+double test_builtin_ppc_frim(double a) {
+// CHECK-LABEL: @test_builtin_ppc_frim
+// CHECK-NEXT:  entry:
+
+  return __builtin_ppc_frim(a);
+// CHECK: %2 = call double @llvm.floor.f64(double %1) 
+}
+
+float test_builtin_ppc_frims(float a) {
+// CHECK-LABEL: @test_builtin_ppc_frims
+// CHECK-NEXT:  entry:
+
+  return __builtin_ppc_frims(a);
+// CHECK: %2 = call float @llvm.floor.f32(float %1)
+}
+
+double test_builtin_ppc_frin(double a) {
+// CHECK-LABEL: @test_builtin_ppc_frin
+// CHECK-NEXT:  entry:
+
+  return __builtin_ppc_frin(a);
+// CHECK: %2 = call double @llvm.round.f64(double %1)
+}
+
+float test_builtin_ppc_frins(float a) {
+// CHECK-LABEL: @test_builtin_ppc_frins
+// CHECK-NEXT:  entry:
+
+  return __builtin_ppc_frins(a);
+// CHECK: %2 = call float @llvm.round.f32(float %1)
+}
+
+double test_builtin_ppc_frip(double a) {
+// CHECK-LABEL: @test_builtin_ppc_frip
+// CHECK-NEXT:  entry:
+
+  return __builtin_ppc_frip(a);
+// CHECK: %2 = call double @llvm.ceil.f64(double %1)
+}
+
+float test_builtin_ppc_frips(float a) {
+// CHECK-LABEL: @test_builtin_ppc_frips
+// CHECK-NEXT:  entry:
+
+  return __builtin_ppc_frips(a);
+// CHECK: %2 = call float @llvm.ceil.f32(float %1)
+}
+
+double test_builtin_ppc_friz(double a) {
+// CHECK-LABEL: @test_builtin_ppc_friz
+// CHECK-NEXT:  entry:
+
+  return __builtin_ppc_friz(a);
+// CHECK: %2 = call double @llvm.trunc.f64(double %1)
+}
+
+float test_builtin_ppc_frizs(float a) {
+// CHECK-LABEL: @test_builtin_ppc_frizs
+// CHECK-NEXT:  entry:
+
+  return __builtin_ppc_frizs(a);
+// CHECK: %2 = call float @llvm.trunc.f32(float %1)
+}
+
+double test_builtin_ppc_fsel(double a, double b, double c) {
+// CHECK-LABEL: @test_builtin_ppc_fsel
+// CHECK-NEXT:  entry:
+
+  return __builtin_ppc_fsel(a, b, c);
+// CHECK: %3 = call double @llvm.ppc.fsel(double %0, double %1, double %2)
+}
+
+float test_builtin_ppc_fsels(float a, float b, float c) {
+// CHECK-LABEL: @test_builtin_ppc_fsels
+// CHECK-NEXT:  entry:
+
+  return __builtin_ppc_fsels(a, b, c);
+// CHECK: %3 = call float @llvm.ppc.fsels(float %0, float %1, float %2)
+}
+
+double test_builtin_ppc_frsqrte(double a) {
+// CHECK-LABEL: @test_builtin_ppc_frsqrte
+// CHECK-NEXT:  entry:
+
+  return __builtin_ppc_frsqrte(a);
+// CHECK: %1 = call double @llvm.ppc.frsqrte(double %0)
+}
+
+float test_builtin_ppc_frsqrtes(float a) {
+// CHECK-LABEL: @test_builtin_ppc_frsqrtes
+// CHECK-NEXT:  entry:
+
+  return __builtin_ppc_frsqrtes(a);
+// CHECK: %1 = call float @llvm.ppc.frsqrtes(float %0)
+}
+
+double test_builtin_ppc_fsqrt(double a) {
+// CHECK-LABEL: @test_builtin_ppc_fsqrt
+// CHECK-NEXT:  entry:
+
+  return __builtin_ppc_fsqrt(a);
+// CHECK: %2 = call double @llvm.sqrt.f64(double %1)
+}
+
+float test_builtin_ppc_fsqrts(float a) {
+// CHECK-LABEL: @test_builtin_ppc_fsqrts
+// CHECK-NEXT:  entry:
+
+  return __builtin_ppc_fsqrts(a);
+// CHECK: %2 = call float @llvm.sqrt.f32(float %1)
+}
+
diff --git a/llvm/include/llvm/IR/IntrinsicsPowerPC.td b/llvm/include/llvm/IR/IntrinsicsPowerPC.td
--- a/llvm/include/llvm/IR/IntrinsicsPowerPC.td
+++ b/llvm/include/llvm/IR/IntrinsicsPowerPC.td
@@ -1523,5 +1523,16 @@
                       Intrinsic<[],[],[]>;
   def int_ppc_iospace_eieio : GCCBuiltin<"__builtin_ppc_iospace_eieio">,
                               Intrinsic<[],[],[]>;
+
+  def int_ppc_fsel : GCCBuiltin<"__builtin_ppc_fsel">,
+                     Intrinsic<[llvm_double_ty], [llvm_double_ty, 
+                     llvm_double_ty, llvm_double_ty], [IntrNoMem]>;
+  def int_ppc_fsels : GCCBuiltin<"__builtin_ppc_fsels">,
+                      Intrinsic<[llvm_float_ty], [llvm_float_ty, llvm_float_ty,
+                      llvm_float_ty], [IntrNoMem]>;
+  def int_ppc_frsqrte : GCCBuiltin<"__builtin_ppc_frsqrte">,
+                        Intrinsic<[llvm_double_ty], [llvm_double_ty], [IntrNoMem]>;
+  def int_ppc_frsqrtes : GCCBuiltin<"__builtin_ppc_frsqrtes">,
+                         Intrinsic<[llvm_float_ty], [llvm_float_ty], [IntrNoMem]>;
 }
 
diff --git a/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp b/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
--- a/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
+++ b/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
@@ -4987,6 +4987,13 @@
     break;
 
   case ISD::INTRINSIC_WO_CHAIN: {
+
+    if (N->getConstantOperandVal(0) == Intrinsic::ppc_fsels) {
+      SDValue ops[] = {N->getOperand(1), N->getOperand(2), N->getOperand(3)};
+      CurDAG->SelectNodeTo(N, PPC::FSELS, MVT::f32, ops);
+      return;
+    }
+
     if (!Subtarget->isISA3_1())
       break;
     unsigned Opcode = 0;
diff --git a/llvm/lib/Target/PowerPC/PPCInstrInfo.td b/llvm/lib/Target/PowerPC/PPCInstrInfo.td
--- a/llvm/lib/Target/PowerPC/PPCInstrInfo.td
+++ b/llvm/lib/Target/PowerPC/PPCInstrInfo.td
@@ -3318,6 +3318,8 @@
   }
 }
 
+def : Pat<(int_ppc_fsel f8rc:$FRA, f8rc:$FRC, f8rc:$FRB), (FSELD $FRA, $FRC, $FRB)>;
+
 let hasSideEffects = 0 in {
 let PPC970_Unit = 1 in {  // FXU Operations.
   let isSelect = 1 in
diff --git a/llvm/lib/Target/PowerPC/PPCInstrVSX.td b/llvm/lib/Target/PowerPC/PPCInstrVSX.td
--- a/llvm/lib/Target/PowerPC/PPCInstrVSX.td
+++ b/llvm/lib/Target/PowerPC/PPCInstrVSX.td
@@ -4954,6 +4954,9 @@
 } // HasVSX, IsISA3_0, HasDirectMove, IsLittleEndian
 } // AddedComplexity = 400
 
+def : Pat<(int_ppc_frsqrte vsfrc:$XB), (XSRSQRTEDP $XB)>;
+def : Pat<(int_ppc_frsqrtes vssrc:$XB), (XSRSQRTESP $XB)>;
+
 //---------------------------- Instruction aliases ---------------------------//
 def : InstAlias<"xvmovdp $XT, $XB",
                 (XVCPSGNDP vsrc:$XT, vsrc:$XB, vsrc:$XB)>;
diff --git a/llvm/test/CodeGen/builtins-ppc-xlcompat-fp.ll b/llvm/test/CodeGen/builtins-ppc-xlcompat-fp.ll
new file mode 100644
--- /dev/null
+++ b/llvm/test/CodeGen/builtins-ppc-xlcompat-fp.ll
@@ -0,0 +1,60 @@
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-unknown \
+; RUN: -mcpu=pwr7 < %s | FileCheck %s
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-unknown \
+; RUN: -mcpu=pwr8 < %s | FileCheck %s
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-aix \
+; RUN: -mcpu=pwr7 < %s | FileCheck %s
+; RUN: llc -verify-machineinstrs -mtriple=powerpc-unknown-aix \
+; RUN: -mcpu=pwr7 < %s | FileCheck %s
+
+define dso_local double @test_fsel(double %a, double %b, double %c) local_unnamed_addr #0 {
+; CHECK-LABEL: test_fsel 
+
+entry:
+  %0 = tail call double @llvm.ppc.fsel(double %a, double %b, double %c)
+; CHECK: fsel 1, 1, 2, 3
+
+  ret double %0
+; CHECK: blr
+}
+
+declare double @llvm.ppc.fsel(double, double, double) #2
+
+define dso_local float @test_fsels(float %a, float %b, float %c) local_unnamed_addr #0 {
+; CHECK-LABEL: test_fsels
+
+entry:
+  %0 = tail call float @llvm.ppc.fsels(float %a, float %b, float %c)
+; CHECK: fsel 1, 1, 2, 3
+
+  ret float %0
+; CHECK: blr
+}
+
+declare float @llvm.ppc.fsels(float, float, float) #2
+
+define dso_local double @test_frsqrte(double %a) local_unnamed_addr #0 {
+; CHECK-LABEL: test_frsqrte
+
+entry:
+  %0 = tail call double @llvm.ppc.frsqrte(double %a)
+; CHECK: xsrsqrtedp 1, 1
+
+  ret double %0
+; CHECK: blr
+}
+
+declare double @llvm.ppc.frsqrte(double) #2
+
+define dso_local float @test_frsqrtes(float %a) local_unnamed_addr #0 {
+; CHECK-LABEL: test_frsqrtes
+
+entry:
+  %0 = tail call float @llvm.ppc.frsqrtes(float %a)
+; CHECK: xsrsqrtesp 1, 1
+ 
+  ret float %0
+; CHECK: blr
+}
+
+declare float @llvm.ppc.frsqrtes(float) #2