diff --git a/llvm/lib/Target/PowerPC/PPCMIPeephole.cpp b/llvm/lib/Target/PowerPC/PPCMIPeephole.cpp
--- a/llvm/lib/Target/PowerPC/PPCMIPeephole.cpp
+++ b/llvm/lib/Target/PowerPC/PPCMIPeephole.cpp
@@ -258,6 +258,51 @@
   TOCSaves[MI] = Keep;
 }
 
+// This function checks if registers ultimately feeding a splat or swap are both
+// the same register and are defined by the same instrution. When optimizing a
+// splat/swap to a splat/copy, using TargetRegisterInfo::lookThruCopyLike and
+// comparing the register numbers to determine the feed registers for the splat
+// can lead to a misoptimization if both operands feed from the same physical
+// register and the register has been clobbered since feeding one of the
+// operands.
+static bool areFeedRegsSame(const MachineInstr *DefMI,
+                            const MachineRegisterInfo *MRI) {
+  assert(DefMI->getOpcode() == PPC::XXPERMDI &&
+         "areFeedRegsSame called with invalid opcode");
+
+  const MachineInstr *MIs[2];
+  unsigned FeedRegs[2];
+
+  for (int I = 0; I < 2; ++I) {
+    const MachineInstr *MI;
+
+    unsigned SrcReg = DefMI->getOperand(I+1).getReg();
+
+    // logic from TargetRegisterInfo::lookThruCopyLike:
+    do {
+      MI = MRI->getVRegDef(SrcReg);
+      if (!MI->isCopyLike())
+        break;
+
+      unsigned CopySrcReg;
+
+      if (MI->isCopy())
+        CopySrcReg = MI->getOperand(1).getReg();
+      else {
+        assert(MI->isSubregToReg() && "Bad opcode for areFeedRegsSame");
+        CopySrcReg = MI->getOperand(2).getReg();
+      }
+
+      SrcReg = CopySrcReg;
+    } while (Register::isVirtualRegister(SrcReg));
+
+    MIs[I] = MI;
+    FeedRegs[I] = SrcReg;
+  }
+
+  return FeedRegs[0] == FeedRegs[1] && MIs[0] == MIs[1];
+}
+
 // Perform peephole optimizations.
 bool PPCMIPeephole::simplifyCode(void) {
   bool Simplified = false;
@@ -381,12 +426,9 @@
             // can replace it with a copy.
             if (DefOpc == PPC::XXPERMDI) {
               unsigned FeedImmed = DefMI->getOperand(3).getImm();
-              unsigned FeedReg1 =
-                TRI->lookThruCopyLike(DefMI->getOperand(1).getReg(), MRI);
-              unsigned FeedReg2 =
-                TRI->lookThruCopyLike(DefMI->getOperand(2).getReg(), MRI);
+              bool FeedRegsSame = areFeedRegsSame(DefMI, MRI);
 
-              if ((FeedImmed == 0 || FeedImmed == 3) && FeedReg1 == FeedReg2) {
+              if ((FeedImmed == 0 || FeedImmed == 3) && FeedRegsSame) {
                 LLVM_DEBUG(dbgs() << "Optimizing splat/swap or splat/splat "
                                      "to splat/copy: ");
                 LLVM_DEBUG(MI.dump());
@@ -401,7 +443,7 @@
               // the splat to splat the other value from the swap's input
               // parameter.
               else if ((Immed == 0 || Immed == 3)
-                       && FeedImmed == 2 && FeedReg1 == FeedReg2) {
+                       && FeedImmed == 2 && FeedRegsSame) {
                 LLVM_DEBUG(dbgs() << "Optimizing swap/splat => splat: ");
                 LLVM_DEBUG(MI.dump());
                 MI.getOperand(1).setReg(DefMI->getOperand(1).getReg());
@@ -412,7 +454,7 @@
 
               // If this is a swap fed by a swap, we can replace it
               // with a copy from the first swap's input.
-              else if (Immed == 2 && FeedImmed == 2 && FeedReg1 == FeedReg2) {
+              else if (Immed == 2 && FeedImmed == 2 && FeedRegsSame) {
                 LLVM_DEBUG(dbgs() << "Optimizing swap/swap => copy: ");
                 LLVM_DEBUG(MI.dump());
                 BuildMI(MBB, &MI, MI.getDebugLoc(), TII->get(PPC::COPY),
diff --git a/llvm/test/CodeGen/PowerPC/mi-peephole-splat.ll b/llvm/test/CodeGen/PowerPC/mi-peephole-splat.ll
new file mode 100644
--- /dev/null
+++ b/llvm/test/CodeGen/PowerPC/mi-peephole-splat.ll
@@ -0,0 +1,44 @@
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-linux-gnu < %s \
+; RUN: | FileCheck --check-prefix=CHECK-LE %s
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64-linux-gnu -mattr=+vsx < %s \
+; RUN: | FileCheck --check-prefix=CHECK-BE %s
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-linux-gnu -mcpu=pwr9 < %s \
+; RUN: | FileCheck --check-prefix=CHECK-P9LE %s
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64-linux-gnu -mcpu=pwr9 < %s \
+; RUN: | FileCheck --check-prefix=CHECK-P9BE %s
+
+define double @splat_swap(<2 x double> %x, <2 x double> %y) nounwind  {
+  %added = fadd <2 x double> %x, %y
+  %call = tail call <2 x double> @llvm.rint.v2f64(<2 x double> %added) nounwind readnone
+  %res1 = extractelement <2 x double> %call, i32 0
+  %res2 = extractelement <2 x double> %call, i32 1
+  %ret = fsub double %res1, %res2
+  ret double %ret
+
+; CHECK-LE-LABEL: splat_swap:
+; CHECK-LE: xxmrghd [[XREG1:[0-9]+]], [[XREG1]], [[XREG2:[0-9]+]]
+; CHECK-LE-NEXT: xxswapd [[XREG2]], [[XREG1]]
+; CHECK-LE-NEXT: xssubdp [[XREG2]], [[XREG2]], [[XREG1]]
+; CHECK-LE-NEXT: addi [[REG1:[0-9]+]], [[REG1]], {{[0-9]+}}
+;
+; CHECK-BE-LABEL: splat_swap:
+; CHECK-BE: xxmrghd [[XREG1:[0-9]+]], [[XREG1]], [[XREG2:[0-9]+]]
+; CHECK-BE-NEXT: xxswapd [[XREG2]], [[XREG1]]
+; CHECK-BE-NEXT: xssubdp [[XREG2]], [[XREG1]], [[XREG2]]
+; CHECK-BE-NEXT: addi [[REG1:[0-9]+]], [[REG1]], {{[0-9]+}}
+;
+; CHECK-P9LE-LABEL: splat_swap:
+; CHECK-P9LE-DAG: xxmrghd [[XREG1:[0-9]+]], [[XREG1]], [[XREG2:[0-9]+]]
+; CHECK-P9LE: xxswapd [[XREG2]], [[XREG1]]
+; CHECK-P9LE-NEXT: xssubdp [[XREG2]], [[XREG2]], [[XREG1]]
+; CHECK-P9LE-NEXT: addi [[REG1:[0-9]+]], [[REG1]], {{[0-9]+}}
+;
+; CHECK-P9BE-LABEL: splat_swap:
+; CHECK-P9BE-DAG: xxmrghd [[XREG1:[0-9]+]], [[XREG1]], [[XREG2:[0-9]+]]
+; CHECK-P9BE: xxswapd [[XREG2]], [[XREG1]]
+; CHECK-P9BE-NEXT: xssubdp [[XREG2]], [[XREG1]], [[XREG2]]
+; CHECK-P9BE-NEXT: addi [[REG1:[0-9]+]], [[REG1]], {{[0-9]+}}
+}
+
+declare <2 x double> @llvm.rint.v2f64(<2 x double>)
+
diff --git a/llvm/test/CodeGen/PowerPC/vector-constrained-fp-intrinsics.ll b/llvm/test/CodeGen/PowerPC/vector-constrained-fp-intrinsics.ll
--- a/llvm/test/CodeGen/PowerPC/vector-constrained-fp-intrinsics.ll
+++ b/llvm/test/CodeGen/PowerPC/vector-constrained-fp-intrinsics.ll
@@ -468,12 +468,13 @@
 ; PC64LE-NEXT:    lfs 1, .LCPI8_3@toc@l(3)
 ; PC64LE-NEXT:    bl fmod
 ; PC64LE-NEXT:    nop
+; PC64LE-NEXT:    xxswapd 0, 63
 ; PC64LE-NEXT:    li 3, 64
-; PC64LE-NEXT:    fmr 3, 1
-; PC64LE-NEXT:    xxlor 1, 63, 63
-; PC64LE-NEXT:    lfd 31, 88(1) # 8-byte Folded Reload
 ; PC64LE-NEXT:    xxlor 2, 63, 63
+; PC64LE-NEXT:    lfd 31, 88(1) # 8-byte Folded Reload
 ; PC64LE-NEXT:    lxvd2x 63, 1, 3 # 16-byte Folded Reload
+; PC64LE-NEXT:    fmr 3, 1
+; PC64LE-NEXT:    fmr 1, 0
 ; PC64LE-NEXT:    addi 1, 1, 96
 ; PC64LE-NEXT:    ld 0, 16(1)
 ; PC64LE-NEXT:    mtlr 0
@@ -509,10 +510,11 @@
 ; PC64LE9-NEXT:    bl fmod
 ; PC64LE9-NEXT:    nop
 ; PC64LE9-NEXT:    fmr 3, 1
-; PC64LE9-NEXT:    xscpsgndp 1, 63, 63
+; PC64LE9-NEXT:    xxswapd 1, 63
 ; PC64LE9-NEXT:    xscpsgndp 2, 63, 63
 ; PC64LE9-NEXT:    lxv 63, 48(1) # 16-byte Folded Reload
 ; PC64LE9-NEXT:    lfd 31, 72(1) # 8-byte Folded Reload
+; PC64LE9-NEXT:    # kill: def $f1 killed $f1 killed $vsl1
 ; PC64LE9-NEXT:    addi 1, 1, 80
 ; PC64LE9-NEXT:    ld 0, 16(1)
 ; PC64LE9-NEXT:    mtlr 0
@@ -1715,12 +1717,13 @@
 ; PC64LE-NEXT:    lfd 1, .LCPI33_3@toc@l(3)
 ; PC64LE-NEXT:    bl pow
 ; PC64LE-NEXT:    nop
+; PC64LE-NEXT:    xxswapd 0, 63
 ; PC64LE-NEXT:    li 3, 64
-; PC64LE-NEXT:    fmr 3, 1
-; PC64LE-NEXT:    xxlor 1, 63, 63
-; PC64LE-NEXT:    lfd 31, 88(1) # 8-byte Folded Reload
 ; PC64LE-NEXT:    xxlor 2, 63, 63
+; PC64LE-NEXT:    lfd 31, 88(1) # 8-byte Folded Reload
 ; PC64LE-NEXT:    lxvd2x 63, 1, 3 # 16-byte Folded Reload
+; PC64LE-NEXT:    fmr 3, 1
+; PC64LE-NEXT:    fmr 1, 0
 ; PC64LE-NEXT:    addi 1, 1, 96
 ; PC64LE-NEXT:    ld 0, 16(1)
 ; PC64LE-NEXT:    mtlr 0
@@ -1756,10 +1759,11 @@
 ; PC64LE9-NEXT:    bl pow
 ; PC64LE9-NEXT:    nop
 ; PC64LE9-NEXT:    fmr 3, 1
-; PC64LE9-NEXT:    xscpsgndp 1, 63, 63
+; PC64LE9-NEXT:    xxswapd 1, 63
 ; PC64LE9-NEXT:    xscpsgndp 2, 63, 63
 ; PC64LE9-NEXT:    lxv 63, 48(1) # 16-byte Folded Reload
 ; PC64LE9-NEXT:    lfd 31, 72(1) # 8-byte Folded Reload
+; PC64LE9-NEXT:    # kill: def $f1 killed $f1 killed $vsl1
 ; PC64LE9-NEXT:    addi 1, 1, 80
 ; PC64LE9-NEXT:    ld 0, 16(1)
 ; PC64LE9-NEXT:    mtlr 0
@@ -2113,11 +2117,12 @@
 ; PC64LE-NEXT:    lfd 1, .LCPI38_2@toc@l(3)
 ; PC64LE-NEXT:    bl __powidf2
 ; PC64LE-NEXT:    nop
+; PC64LE-NEXT:    xxswapd 0, 63
 ; PC64LE-NEXT:    li 3, 64
-; PC64LE-NEXT:    fmr 3, 1
-; PC64LE-NEXT:    xxlor 1, 63, 63
 ; PC64LE-NEXT:    xxlor 2, 63, 63
 ; PC64LE-NEXT:    lxvd2x 63, 1, 3 # 16-byte Folded Reload
+; PC64LE-NEXT:    fmr 3, 1
+; PC64LE-NEXT:    fmr 1, 0
 ; PC64LE-NEXT:    addi 1, 1, 80
 ; PC64LE-NEXT:    ld 0, 16(1)
 ; PC64LE-NEXT:    mtlr 0
@@ -2150,9 +2155,10 @@
 ; PC64LE9-NEXT:    bl __powidf2
 ; PC64LE9-NEXT:    nop
 ; PC64LE9-NEXT:    fmr 3, 1
-; PC64LE9-NEXT:    xscpsgndp 1, 63, 63
+; PC64LE9-NEXT:    xxswapd 1, 63
 ; PC64LE9-NEXT:    xscpsgndp 2, 63, 63
 ; PC64LE9-NEXT:    lxv 63, 48(1) # 16-byte Folded Reload
+; PC64LE9-NEXT:    # kill: def $f1 killed $f1 killed $vsl1
 ; PC64LE9-NEXT:    addi 1, 1, 64
 ; PC64LE9-NEXT:    ld 0, 16(1)
 ; PC64LE9-NEXT:    mtlr 0
@@ -2477,11 +2483,12 @@
 ; PC64LE-NEXT:    lfd 1, .LCPI43_2@toc@l(3)
 ; PC64LE-NEXT:    bl sin
 ; PC64LE-NEXT:    nop
+; PC64LE-NEXT:    xxswapd 0, 63
 ; PC64LE-NEXT:    li 3, 64
-; PC64LE-NEXT:    fmr 3, 1
-; PC64LE-NEXT:    xxlor 1, 63, 63
 ; PC64LE-NEXT:    xxlor 2, 63, 63
 ; PC64LE-NEXT:    lxvd2x 63, 1, 3 # 16-byte Folded Reload
+; PC64LE-NEXT:    fmr 3, 1
+; PC64LE-NEXT:    fmr 1, 0
 ; PC64LE-NEXT:    addi 1, 1, 80
 ; PC64LE-NEXT:    ld 0, 16(1)
 ; PC64LE-NEXT:    mtlr 0
@@ -2511,9 +2518,10 @@
 ; PC64LE9-NEXT:    bl sin
 ; PC64LE9-NEXT:    nop
 ; PC64LE9-NEXT:    fmr 3, 1
-; PC64LE9-NEXT:    xscpsgndp 1, 63, 63
+; PC64LE9-NEXT:    xxswapd 1, 63
 ; PC64LE9-NEXT:    xscpsgndp 2, 63, 63
 ; PC64LE9-NEXT:    lxv 63, 48(1) # 16-byte Folded Reload
+; PC64LE9-NEXT:    # kill: def $f1 killed $f1 killed $vsl1
 ; PC64LE9-NEXT:    addi 1, 1, 64
 ; PC64LE9-NEXT:    ld 0, 16(1)
 ; PC64LE9-NEXT:    mtlr 0
@@ -2828,11 +2836,12 @@
 ; PC64LE-NEXT:    lfd 1, .LCPI48_2@toc@l(3)
 ; PC64LE-NEXT:    bl cos
 ; PC64LE-NEXT:    nop
+; PC64LE-NEXT:    xxswapd 0, 63
 ; PC64LE-NEXT:    li 3, 64
-; PC64LE-NEXT:    fmr 3, 1
-; PC64LE-NEXT:    xxlor 1, 63, 63
 ; PC64LE-NEXT:    xxlor 2, 63, 63
 ; PC64LE-NEXT:    lxvd2x 63, 1, 3 # 16-byte Folded Reload
+; PC64LE-NEXT:    fmr 3, 1
+; PC64LE-NEXT:    fmr 1, 0
 ; PC64LE-NEXT:    addi 1, 1, 80
 ; PC64LE-NEXT:    ld 0, 16(1)
 ; PC64LE-NEXT:    mtlr 0
@@ -2862,9 +2871,10 @@
 ; PC64LE9-NEXT:    bl cos
 ; PC64LE9-NEXT:    nop
 ; PC64LE9-NEXT:    fmr 3, 1
-; PC64LE9-NEXT:    xscpsgndp 1, 63, 63
+; PC64LE9-NEXT:    xxswapd 1, 63
 ; PC64LE9-NEXT:    xscpsgndp 2, 63, 63
 ; PC64LE9-NEXT:    lxv 63, 48(1) # 16-byte Folded Reload
+; PC64LE9-NEXT:    # kill: def $f1 killed $f1 killed $vsl1
 ; PC64LE9-NEXT:    addi 1, 1, 64
 ; PC64LE9-NEXT:    ld 0, 16(1)
 ; PC64LE9-NEXT:    mtlr 0
@@ -3179,11 +3189,12 @@
 ; PC64LE-NEXT:    lfd 1, .LCPI53_2@toc@l(3)
 ; PC64LE-NEXT:    bl exp
 ; PC64LE-NEXT:    nop
+; PC64LE-NEXT:    xxswapd 0, 63
 ; PC64LE-NEXT:    li 3, 64
-; PC64LE-NEXT:    fmr 3, 1
-; PC64LE-NEXT:    xxlor 1, 63, 63
 ; PC64LE-NEXT:    xxlor 2, 63, 63
 ; PC64LE-NEXT:    lxvd2x 63, 1, 3 # 16-byte Folded Reload
+; PC64LE-NEXT:    fmr 3, 1
+; PC64LE-NEXT:    fmr 1, 0
 ; PC64LE-NEXT:    addi 1, 1, 80
 ; PC64LE-NEXT:    ld 0, 16(1)
 ; PC64LE-NEXT:    mtlr 0
@@ -3213,9 +3224,10 @@
 ; PC64LE9-NEXT:    bl exp
 ; PC64LE9-NEXT:    nop
 ; PC64LE9-NEXT:    fmr 3, 1
-; PC64LE9-NEXT:    xscpsgndp 1, 63, 63
+; PC64LE9-NEXT:    xxswapd 1, 63
 ; PC64LE9-NEXT:    xscpsgndp 2, 63, 63
 ; PC64LE9-NEXT:    lxv 63, 48(1) # 16-byte Folded Reload
+; PC64LE9-NEXT:    # kill: def $f1 killed $f1 killed $vsl1
 ; PC64LE9-NEXT:    addi 1, 1, 64
 ; PC64LE9-NEXT:    ld 0, 16(1)
 ; PC64LE9-NEXT:    mtlr 0
@@ -3530,11 +3542,12 @@
 ; PC64LE-NEXT:    lfd 1, .LCPI58_2@toc@l(3)
 ; PC64LE-NEXT:    bl exp2
 ; PC64LE-NEXT:    nop
+; PC64LE-NEXT:    xxswapd 0, 63
 ; PC64LE-NEXT:    li 3, 64
-; PC64LE-NEXT:    fmr 3, 1
-; PC64LE-NEXT:    xxlor 1, 63, 63
 ; PC64LE-NEXT:    xxlor 2, 63, 63
 ; PC64LE-NEXT:    lxvd2x 63, 1, 3 # 16-byte Folded Reload
+; PC64LE-NEXT:    fmr 3, 1
+; PC64LE-NEXT:    fmr 1, 0
 ; PC64LE-NEXT:    addi 1, 1, 80
 ; PC64LE-NEXT:    ld 0, 16(1)
 ; PC64LE-NEXT:    mtlr 0
@@ -3564,9 +3577,10 @@
 ; PC64LE9-NEXT:    bl exp2
 ; PC64LE9-NEXT:    nop
 ; PC64LE9-NEXT:    fmr 3, 1
-; PC64LE9-NEXT:    xscpsgndp 1, 63, 63
+; PC64LE9-NEXT:    xxswapd 1, 63
 ; PC64LE9-NEXT:    xscpsgndp 2, 63, 63
 ; PC64LE9-NEXT:    lxv 63, 48(1) # 16-byte Folded Reload
+; PC64LE9-NEXT:    # kill: def $f1 killed $f1 killed $vsl1
 ; PC64LE9-NEXT:    addi 1, 1, 64
 ; PC64LE9-NEXT:    ld 0, 16(1)
 ; PC64LE9-NEXT:    mtlr 0
@@ -3881,11 +3895,12 @@
 ; PC64LE-NEXT:    lfd 1, .LCPI63_2@toc@l(3)
 ; PC64LE-NEXT:    bl log
 ; PC64LE-NEXT:    nop
+; PC64LE-NEXT:    xxswapd 0, 63
 ; PC64LE-NEXT:    li 3, 64
-; PC64LE-NEXT:    fmr 3, 1
-; PC64LE-NEXT:    xxlor 1, 63, 63
 ; PC64LE-NEXT:    xxlor 2, 63, 63
 ; PC64LE-NEXT:    lxvd2x 63, 1, 3 # 16-byte Folded Reload
+; PC64LE-NEXT:    fmr 3, 1
+; PC64LE-NEXT:    fmr 1, 0
 ; PC64LE-NEXT:    addi 1, 1, 80
 ; PC64LE-NEXT:    ld 0, 16(1)
 ; PC64LE-NEXT:    mtlr 0
@@ -3915,9 +3930,10 @@
 ; PC64LE9-NEXT:    bl log
 ; PC64LE9-NEXT:    nop
 ; PC64LE9-NEXT:    fmr 3, 1
-; PC64LE9-NEXT:    xscpsgndp 1, 63, 63
+; PC64LE9-NEXT:    xxswapd 1, 63
 ; PC64LE9-NEXT:    xscpsgndp 2, 63, 63
 ; PC64LE9-NEXT:    lxv 63, 48(1) # 16-byte Folded Reload
+; PC64LE9-NEXT:    # kill: def $f1 killed $f1 killed $vsl1
 ; PC64LE9-NEXT:    addi 1, 1, 64
 ; PC64LE9-NEXT:    ld 0, 16(1)
 ; PC64LE9-NEXT:    mtlr 0
@@ -4232,11 +4248,12 @@
 ; PC64LE-NEXT:    lfd 1, .LCPI68_2@toc@l(3)
 ; PC64LE-NEXT:    bl log10
 ; PC64LE-NEXT:    nop
+; PC64LE-NEXT:    xxswapd 0, 63
 ; PC64LE-NEXT:    li 3, 64
-; PC64LE-NEXT:    fmr 3, 1
-; PC64LE-NEXT:    xxlor 1, 63, 63
 ; PC64LE-NEXT:    xxlor 2, 63, 63
 ; PC64LE-NEXT:    lxvd2x 63, 1, 3 # 16-byte Folded Reload
+; PC64LE-NEXT:    fmr 3, 1
+; PC64LE-NEXT:    fmr 1, 0
 ; PC64LE-NEXT:    addi 1, 1, 80
 ; PC64LE-NEXT:    ld 0, 16(1)
 ; PC64LE-NEXT:    mtlr 0
@@ -4266,9 +4283,10 @@
 ; PC64LE9-NEXT:    bl log10
 ; PC64LE9-NEXT:    nop
 ; PC64LE9-NEXT:    fmr 3, 1
-; PC64LE9-NEXT:    xscpsgndp 1, 63, 63
+; PC64LE9-NEXT:    xxswapd 1, 63
 ; PC64LE9-NEXT:    xscpsgndp 2, 63, 63
 ; PC64LE9-NEXT:    lxv 63, 48(1) # 16-byte Folded Reload
+; PC64LE9-NEXT:    # kill: def $f1 killed $f1 killed $vsl1
 ; PC64LE9-NEXT:    addi 1, 1, 64
 ; PC64LE9-NEXT:    ld 0, 16(1)
 ; PC64LE9-NEXT:    mtlr 0
@@ -4583,11 +4601,12 @@
 ; PC64LE-NEXT:    lfd 1, .LCPI73_2@toc@l(3)
 ; PC64LE-NEXT:    bl log2
 ; PC64LE-NEXT:    nop
+; PC64LE-NEXT:    xxswapd 0, 63
 ; PC64LE-NEXT:    li 3, 64
-; PC64LE-NEXT:    fmr 3, 1
-; PC64LE-NEXT:    xxlor 1, 63, 63
 ; PC64LE-NEXT:    xxlor 2, 63, 63
 ; PC64LE-NEXT:    lxvd2x 63, 1, 3 # 16-byte Folded Reload
+; PC64LE-NEXT:    fmr 3, 1
+; PC64LE-NEXT:    fmr 1, 0
 ; PC64LE-NEXT:    addi 1, 1, 80
 ; PC64LE-NEXT:    ld 0, 16(1)
 ; PC64LE-NEXT:    mtlr 0
@@ -4617,9 +4636,10 @@
 ; PC64LE9-NEXT:    bl log2
 ; PC64LE9-NEXT:    nop
 ; PC64LE9-NEXT:    fmr 3, 1
-; PC64LE9-NEXT:    xscpsgndp 1, 63, 63
+; PC64LE9-NEXT:    xxswapd 1, 63
 ; PC64LE9-NEXT:    xscpsgndp 2, 63, 63
 ; PC64LE9-NEXT:    lxv 63, 48(1) # 16-byte Folded Reload
+; PC64LE9-NEXT:    # kill: def $f1 killed $f1 killed $vsl1
 ; PC64LE9-NEXT:    addi 1, 1, 64
 ; PC64LE9-NEXT:    ld 0, 16(1)
 ; PC64LE9-NEXT:    mtlr 0
@@ -4934,11 +4954,12 @@
 ; PC64LE-NEXT:    lfd 1, .LCPI78_2@toc@l(3)
 ; PC64LE-NEXT:    bl rint
 ; PC64LE-NEXT:    nop
+; PC64LE-NEXT:    xxswapd 0, 63
 ; PC64LE-NEXT:    li 3, 64
-; PC64LE-NEXT:    fmr 3, 1
-; PC64LE-NEXT:    xxlor 1, 63, 63
 ; PC64LE-NEXT:    xxlor 2, 63, 63
 ; PC64LE-NEXT:    lxvd2x 63, 1, 3 # 16-byte Folded Reload
+; PC64LE-NEXT:    fmr 3, 1
+; PC64LE-NEXT:    fmr 1, 0
 ; PC64LE-NEXT:    addi 1, 1, 80
 ; PC64LE-NEXT:    ld 0, 16(1)
 ; PC64LE-NEXT:    mtlr 0
@@ -4968,9 +4989,10 @@
 ; PC64LE9-NEXT:    bl rint
 ; PC64LE9-NEXT:    nop
 ; PC64LE9-NEXT:    fmr 3, 1
-; PC64LE9-NEXT:    xscpsgndp 1, 63, 63
+; PC64LE9-NEXT:    xxswapd 1, 63
 ; PC64LE9-NEXT:    xscpsgndp 2, 63, 63
 ; PC64LE9-NEXT:    lxv 63, 48(1) # 16-byte Folded Reload
+; PC64LE9-NEXT:    # kill: def $f1 killed $f1 killed $vsl1
 ; PC64LE9-NEXT:    addi 1, 1, 64
 ; PC64LE9-NEXT:    ld 0, 16(1)
 ; PC64LE9-NEXT:    mtlr 0
@@ -5285,11 +5307,12 @@
 ; PC64LE-NEXT:    lfd 1, .LCPI83_2@toc@l(3)
 ; PC64LE-NEXT:    bl nearbyint
 ; PC64LE-NEXT:    nop
+; PC64LE-NEXT:    xxswapd 0, 63
 ; PC64LE-NEXT:    li 3, 64
-; PC64LE-NEXT:    fmr 3, 1
-; PC64LE-NEXT:    xxlor 1, 63, 63
 ; PC64LE-NEXT:    xxlor 2, 63, 63
 ; PC64LE-NEXT:    lxvd2x 63, 1, 3 # 16-byte Folded Reload
+; PC64LE-NEXT:    fmr 3, 1
+; PC64LE-NEXT:    fmr 1, 0
 ; PC64LE-NEXT:    addi 1, 1, 80
 ; PC64LE-NEXT:    ld 0, 16(1)
 ; PC64LE-NEXT:    mtlr 0
@@ -5319,9 +5342,10 @@
 ; PC64LE9-NEXT:    bl nearbyint
 ; PC64LE9-NEXT:    nop
 ; PC64LE9-NEXT:    fmr 3, 1
-; PC64LE9-NEXT:    xscpsgndp 1, 63, 63
+; PC64LE9-NEXT:    xxswapd 1, 63
 ; PC64LE9-NEXT:    xscpsgndp 2, 63, 63
 ; PC64LE9-NEXT:    lxv 63, 48(1) # 16-byte Folded Reload
+; PC64LE9-NEXT:    # kill: def $f1 killed $f1 killed $vsl1
 ; PC64LE9-NEXT:    addi 1, 1, 64
 ; PC64LE9-NEXT:    ld 0, 16(1)
 ; PC64LE9-NEXT:    mtlr 0
@@ -5672,11 +5696,12 @@
 ; PC64LE-NEXT:    lfs 1, .LCPI88_4@toc@l(3)
 ; PC64LE-NEXT:    bl fmax
 ; PC64LE-NEXT:    nop
+; PC64LE-NEXT:    xxswapd 0, 63
 ; PC64LE-NEXT:    li 3, 64
-; PC64LE-NEXT:    fmr 3, 1
-; PC64LE-NEXT:    xxlor 1, 63, 63
 ; PC64LE-NEXT:    xxlor 2, 63, 63
 ; PC64LE-NEXT:    lxvd2x 63, 1, 3 # 16-byte Folded Reload
+; PC64LE-NEXT:    fmr 3, 1
+; PC64LE-NEXT:    fmr 1, 0
 ; PC64LE-NEXT:    addi 1, 1, 80
 ; PC64LE-NEXT:    ld 0, 16(1)
 ; PC64LE-NEXT:    mtlr 0
@@ -5712,9 +5737,10 @@
 ; PC64LE9-NEXT:    bl fmax
 ; PC64LE9-NEXT:    nop
 ; PC64LE9-NEXT:    fmr 3, 1
-; PC64LE9-NEXT:    xscpsgndp 1, 63, 63
+; PC64LE9-NEXT:    xxswapd 1, 63
 ; PC64LE9-NEXT:    xscpsgndp 2, 63, 63
 ; PC64LE9-NEXT:    lxv 63, 48(1) # 16-byte Folded Reload
+; PC64LE9-NEXT:    # kill: def $f1 killed $f1 killed $vsl1
 ; PC64LE9-NEXT:    addi 1, 1, 64
 ; PC64LE9-NEXT:    ld 0, 16(1)
 ; PC64LE9-NEXT:    mtlr 0
@@ -6084,11 +6110,12 @@
 ; PC64LE-NEXT:    lfs 1, .LCPI93_4@toc@l(3)
 ; PC64LE-NEXT:    bl fmin
 ; PC64LE-NEXT:    nop
+; PC64LE-NEXT:    xxswapd 0, 63
 ; PC64LE-NEXT:    li 3, 64
-; PC64LE-NEXT:    fmr 3, 1
-; PC64LE-NEXT:    xxlor 1, 63, 63
 ; PC64LE-NEXT:    xxlor 2, 63, 63
 ; PC64LE-NEXT:    lxvd2x 63, 1, 3 # 16-byte Folded Reload
+; PC64LE-NEXT:    fmr 3, 1
+; PC64LE-NEXT:    fmr 1, 0
 ; PC64LE-NEXT:    addi 1, 1, 80
 ; PC64LE-NEXT:    ld 0, 16(1)
 ; PC64LE-NEXT:    mtlr 0
@@ -6124,9 +6151,10 @@
 ; PC64LE9-NEXT:    bl fmin
 ; PC64LE9-NEXT:    nop
 ; PC64LE9-NEXT:    fmr 3, 1
-; PC64LE9-NEXT:    xscpsgndp 1, 63, 63
+; PC64LE9-NEXT:    xxswapd 1, 63
 ; PC64LE9-NEXT:    xscpsgndp 2, 63, 63
 ; PC64LE9-NEXT:    lxv 63, 48(1) # 16-byte Folded Reload
+; PC64LE9-NEXT:    # kill: def $f1 killed $f1 killed $vsl1
 ; PC64LE9-NEXT:    addi 1, 1, 64
 ; PC64LE9-NEXT:    ld 0, 16(1)
 ; PC64LE9-NEXT:    mtlr 0