diff --git a/llvm/lib/Target/X86/X86FrameLowering.cpp b/llvm/lib/Target/X86/X86FrameLowering.cpp
--- a/llvm/lib/Target/X86/X86FrameLowering.cpp
+++ b/llvm/lib/Target/X86/X86FrameLowering.cpp
@@ -149,6 +149,17 @@
   return IsLP64 ? X86::LEA64r : X86::LEA32r;
 }
 
+static unsigned getMOVriOpcode(bool Use64BitReg, int64_t Imm) {
+  if (Use64BitReg) {
+    if (isUInt<32>(Imm))
+      return X86::MOV32ri64;
+    if (isInt<32>(Imm))
+      return X86::MOV64ri32;
+    return X86::MOV64ri;
+  }
+  return X86::MOV32ri;
+}
+
 static bool isEAXLiveIn(MachineBasicBlock &MBB) {
   for (MachineBasicBlock::RegisterMaskPair RegMask : MBB.liveins()) {
     unsigned Reg = RegMask.PhysReg;
@@ -237,11 +248,10 @@
     else
       Reg = TRI->findDeadCallerSavedReg(MBB, MBBI);
 
-    unsigned MovRIOpc = Is64Bit ? X86::MOV64ri : X86::MOV32ri;
     unsigned AddSubRROpc =
         isSub ? getSUBrrOpcode(Is64Bit) : getADDrrOpcode(Is64Bit);
     if (Reg) {
-      BuildMI(MBB, MBBI, DL, TII.get(MovRIOpc), Reg)
+      BuildMI(MBB, MBBI, DL, TII.get(getMOVriOpcode(Is64Bit, Offset)), Reg)
           .addImm(Offset)
           .setMIFlag(Flag);
       MachineInstr *MI = BuildMI(MBB, MBBI, DL, TII.get(AddSubRROpc), StackPtr)
@@ -267,7 +277,7 @@
         Offset = -(Offset - SlotSize);
       else
         Offset = Offset + SlotSize;
-      BuildMI(MBB, MBBI, DL, TII.get(MovRIOpc), Rax)
+      BuildMI(MBB, MBBI, DL, TII.get(getMOVriOpcode(Is64Bit, Offset)), Rax)
           .addImm(Offset)
           .setMIFlag(Flag);
       MachineInstr *MI = BuildMI(MBB, MBBI, DL, TII.get(X86::ADD64rr), Rax)
@@ -1705,19 +1715,9 @@
       // Handle the 64-bit Windows ABI case where we need to call __chkstk.
       // Function prologue is responsible for adjusting the stack pointer.
       int64_t Alloc = isEAXAlive ? NumBytes - 8 : NumBytes;
-      if (isUInt<32>(Alloc)) {
-        BuildMI(MBB, MBBI, DL, TII.get(X86::MOV32ri), X86::EAX)
-            .addImm(Alloc)
-            .setMIFlag(MachineInstr::FrameSetup);
-      } else if (isInt<32>(Alloc)) {
-        BuildMI(MBB, MBBI, DL, TII.get(X86::MOV64ri32), X86::RAX)
-            .addImm(Alloc)
-            .setMIFlag(MachineInstr::FrameSetup);
-      } else {
-        BuildMI(MBB, MBBI, DL, TII.get(X86::MOV64ri), X86::RAX)
-            .addImm(Alloc)
-            .setMIFlag(MachineInstr::FrameSetup);
-      }
+      BuildMI(MBB, MBBI, DL, TII.get(getMOVriOpcode(Is64Bit, Alloc)), X86::RAX)
+          .addImm(Alloc)
+          .setMIFlag(MachineInstr::FrameSetup);
     } else {
       // Allocate NumBytes-4 bytes on stack in case of isEAXAlive.
       // We'll also use 4 already allocated bytes for EAX.
@@ -2944,15 +2944,16 @@
     const unsigned Reg10 = IsLP64 ? X86::R10 : X86::R10D;
     const unsigned Reg11 = IsLP64 ? X86::R11 : X86::R11D;
     const unsigned MOVrr = IsLP64 ? X86::MOV64rr : X86::MOV32rr;
-    const unsigned MOVri = IsLP64 ? X86::MOV64ri : X86::MOV32ri;
 
     if (IsNested)
       BuildMI(allocMBB, DL, TII.get(MOVrr), RegAX).addReg(Reg10);
 
-    BuildMI(allocMBB, DL, TII.get(MOVri), Reg10)
-      .addImm(StackSize);
-    BuildMI(allocMBB, DL, TII.get(MOVri), Reg11)
-      .addImm(X86FI->getArgumentStackSize());
+    BuildMI(allocMBB, DL, TII.get(getMOVriOpcode(IsLP64, StackSize)), Reg10)
+        .addImm(StackSize);
+    BuildMI(allocMBB, DL,
+            TII.get(getMOVriOpcode(IsLP64, X86FI->getArgumentStackSize())),
+            Reg11)
+        .addImm(X86FI->getArgumentStackSize());
   } else {
     BuildMI(allocMBB, DL, TII.get(X86::PUSHi32))
       .addImm(X86FI->getArgumentStackSize());
diff --git a/llvm/test/CodeGen/X86/segmented-stacks-dynamic.ll b/llvm/test/CodeGen/X86/segmented-stacks-dynamic.ll
--- a/llvm/test/CodeGen/X86/segmented-stacks-dynamic.ll
+++ b/llvm/test/CodeGen/X86/segmented-stacks-dynamic.ll
@@ -118,8 +118,8 @@
 ; X64-NEXT:  .LBB0_1:
 ; X64-NEXT:    .cfi_restore %rbx
 ; X64-NEXT:    .cfi_restore %rbp
-; X64-NEXT:    movabsq $24, %r10
-; X64-NEXT:    movabsq $0, %r11
+; X64-NEXT:    movl $24, %r10d
+; X64-NEXT:    movl $0, %r11d
 ; X64-NEXT:    callq __morestack
 ; X64-NEXT:    retq
 ; X64-NEXT:    jmp .LBB0_2
diff --git a/llvm/test/CodeGen/X86/segmented-stacks.ll b/llvm/test/CodeGen/X86/segmented-stacks.ll
--- a/llvm/test/CodeGen/X86/segmented-stacks.ll
+++ b/llvm/test/CodeGen/X86/segmented-stacks.ll
@@ -72,8 +72,8 @@
 ; X64-Linux-NEXT:    .cfi_def_cfa_offset 8
 ; X64-Linux-NEXT:    retq
 ; X64-Linux-NEXT:  .LBB0_1:
-; X64-Linux-NEXT:    movabsq $40, %r10
-; X64-Linux-NEXT:    movabsq $0, %r11
+; X64-Linux-NEXT:    movl $40, %r10d
+; X64-Linux-NEXT:    movl $0, %r11d
 ; X64-Linux-NEXT:    callq __morestack
 ; X64-Linux-NEXT:    retq
 ; X64-Linux-NEXT:    jmp .LBB0_2
@@ -93,8 +93,8 @@
 ; X64-Linux-Large-NEXT:    .cfi_def_cfa_offset 8
 ; X64-Linux-Large-NEXT:    retq
 ; X64-Linux-Large-NEXT:  .LBB0_1:
-; X64-Linux-Large-NEXT:    movabsq $40, %r10
-; X64-Linux-Large-NEXT:    movabsq $0, %r11
+; X64-Linux-Large-NEXT:    movl $40, %r10d
+; X64-Linux-Large-NEXT:    movl $0, %r11d
 ; X64-Linux-Large-NEXT:    callq *__morestack_addr(%rip)
 ; X64-Linux-Large-NEXT:    retq
 ; X64-Linux-Large-NEXT:    jmp .LBB0_2
@@ -153,8 +153,8 @@
 ; X64-Darwin-NEXT:    addq $40, %rsp
 ; X64-Darwin-NEXT:    retq
 ; X64-Darwin-NEXT:  LBB0_1:
-; X64-Darwin-NEXT:    movabsq $40, %r10
-; X64-Darwin-NEXT:    movabsq $0, %r11
+; X64-Darwin-NEXT:    movl $40, %r10d
+; X64-Darwin-NEXT:    movl $0, %r11d
 ; X64-Darwin-NEXT:    callq ___morestack
 ; X64-Darwin-NEXT:    retq
 ; X64-Darwin-NEXT:    jmp LBB0_2
@@ -196,8 +196,8 @@
 ; X64-FreeBSD-NEXT:    .cfi_def_cfa_offset 8
 ; X64-FreeBSD-NEXT:    retq
 ; X64-FreeBSD-NEXT:  .LBB0_1:
-; X64-FreeBSD-NEXT:    movabsq $40, %r10
-; X64-FreeBSD-NEXT:    movabsq $0, %r11
+; X64-FreeBSD-NEXT:    movl $40, %r10d
+; X64-FreeBSD-NEXT:    movl $0, %r11d
 ; X64-FreeBSD-NEXT:    callq __morestack
 ; X64-FreeBSD-NEXT:    retq
 ; X64-FreeBSD-NEXT:    jmp .LBB0_2
@@ -239,8 +239,8 @@
 ; X64-DFlyBSD-NEXT:    .cfi_def_cfa_offset 8
 ; X64-DFlyBSD-NEXT:    retq
 ; X64-DFlyBSD-NEXT:  .LBB0_1:
-; X64-DFlyBSD-NEXT:    movabsq $40, %r10
-; X64-DFlyBSD-NEXT:    movabsq $0, %r11
+; X64-DFlyBSD-NEXT:    movl $40, %r10d
+; X64-DFlyBSD-NEXT:    movl $0, %r11d
 ; X64-DFlyBSD-NEXT:    callq __morestack
 ; X64-DFlyBSD-NEXT:    retq
 ; X64-DFlyBSD-NEXT:    jmp .LBB0_2
@@ -260,8 +260,8 @@
 ; X64-MinGW-NEXT:    addq $72, %rsp
 ; X64-MinGW-NEXT:    retq
 ; X64-MinGW-NEXT:  .LBB0_1:
-; X64-MinGW-NEXT:    movabsq $72, %r10
-; X64-MinGW-NEXT:    movabsq $32, %r11
+; X64-MinGW-NEXT:    movl $72, %r10d
+; X64-MinGW-NEXT:    movl $32, %r11d
 ; X64-MinGW-NEXT:    callq __morestack
 ; X64-MinGW-NEXT:    retq
 ; X64-MinGW-NEXT:    jmp .LBB0_2
@@ -332,8 +332,8 @@
 ; X64-Linux-NEXT:  .LBB1_1:
 ; X64-Linux-NEXT:    .cfi_restore %rbx
 ; X64-Linux-NEXT:    movq %r10, %rax
-; X64-Linux-NEXT:    movabsq $56, %r10
-; X64-Linux-NEXT:    movabsq $0, %r11
+; X64-Linux-NEXT:    movl $56, %r10d
+; X64-Linux-NEXT:    movl $0, %r11d
 ; X64-Linux-NEXT:    callq __morestack
 ; X64-Linux-NEXT:    retq
 ; X64-Linux-NEXT:    movq %rax, %r10
@@ -364,8 +364,8 @@
 ; X64-Linux-Large-NEXT:  .LBB1_1:
 ; X64-Linux-Large-NEXT:    .cfi_restore %rbx
 ; X64-Linux-Large-NEXT:    movq %r10, %rax
-; X64-Linux-Large-NEXT:    movabsq $56, %r10
-; X64-Linux-Large-NEXT:    movabsq $0, %r11
+; X64-Linux-Large-NEXT:    movl $56, %r10d
+; X64-Linux-Large-NEXT:    movl $0, %r11d
 ; X64-Linux-Large-NEXT:    callq *__morestack_addr(%rip)
 ; X64-Linux-Large-NEXT:    retq
 ; X64-Linux-Large-NEXT:    movq %rax, %r10
@@ -451,8 +451,8 @@
 ; X64-Darwin-NEXT:    retq
 ; X64-Darwin-NEXT:  LBB1_1:
 ; X64-Darwin-NEXT:    movq %r10, %rax
-; X64-Darwin-NEXT:    movabsq $56, %r10
-; X64-Darwin-NEXT:    movabsq $0, %r11
+; X64-Darwin-NEXT:    movl $56, %r10d
+; X64-Darwin-NEXT:    movl $0, %r11d
 ; X64-Darwin-NEXT:    callq ___morestack
 ; X64-Darwin-NEXT:    retq
 ; X64-Darwin-NEXT:    movq %rax, %r10
@@ -515,8 +515,8 @@
 ; X64-FreeBSD-NEXT:  .LBB1_1:
 ; X64-FreeBSD-NEXT:    .cfi_restore %rbx
 ; X64-FreeBSD-NEXT:    movq %r10, %rax
-; X64-FreeBSD-NEXT:    movabsq $56, %r10
-; X64-FreeBSD-NEXT:    movabsq $0, %r11
+; X64-FreeBSD-NEXT:    movl $56, %r10d
+; X64-FreeBSD-NEXT:    movl $0, %r11d
 ; X64-FreeBSD-NEXT:    callq __morestack
 ; X64-FreeBSD-NEXT:    retq
 ; X64-FreeBSD-NEXT:    movq %rax, %r10
@@ -580,8 +580,8 @@
 ; X64-DFlyBSD-NEXT:  .LBB1_1:
 ; X64-DFlyBSD-NEXT:    .cfi_restore %rbx
 ; X64-DFlyBSD-NEXT:    movq %r10, %rax
-; X64-DFlyBSD-NEXT:    movabsq $56, %r10
-; X64-DFlyBSD-NEXT:    movabsq $0, %r11
+; X64-DFlyBSD-NEXT:    movl $56, %r10d
+; X64-DFlyBSD-NEXT:    movl $0, %r11d
 ; X64-DFlyBSD-NEXT:    callq __morestack
 ; X64-DFlyBSD-NEXT:    retq
 ; X64-DFlyBSD-NEXT:    movq %rax, %r10
@@ -608,8 +608,8 @@
 ; X64-MinGW-NEXT:    retq
 ; X64-MinGW-NEXT:  .LBB1_1:
 ; X64-MinGW-NEXT:    movq %r10, %rax
-; X64-MinGW-NEXT:    movabsq $88, %r10
-; X64-MinGW-NEXT:    movabsq $32, %r11
+; X64-MinGW-NEXT:    movl $88, %r10d
+; X64-MinGW-NEXT:    movl $32, %r11d
 ; X64-MinGW-NEXT:    callq __morestack
 ; X64-MinGW-NEXT:    retq
 ; X64-MinGW-NEXT:    movq %rax, %r10
@@ -662,8 +662,8 @@
 ; X64-Linux-NEXT:    .cfi_def_cfa_offset 8
 ; X64-Linux-NEXT:    retq
 ; X64-Linux-NEXT:  .LBB2_1:
-; X64-Linux-NEXT:    movabsq $40008, %r10 # imm = 0x9C48
-; X64-Linux-NEXT:    movabsq $0, %r11
+; X64-Linux-NEXT:    movl $40008, %r10d # imm = 0x9C48
+; X64-Linux-NEXT:    movl $0, %r11d
 ; X64-Linux-NEXT:    callq __morestack
 ; X64-Linux-NEXT:    retq
 ; X64-Linux-NEXT:    jmp .LBB2_2
@@ -684,8 +684,8 @@
 ; X64-Linux-Large-NEXT:    .cfi_def_cfa_offset 8
 ; X64-Linux-Large-NEXT:    retq
 ; X64-Linux-Large-NEXT:  .LBB2_1:
-; X64-Linux-Large-NEXT:    movabsq $40008, %r10 # imm = 0x9C48
-; X64-Linux-Large-NEXT:    movabsq $0, %r11
+; X64-Linux-Large-NEXT:    movl $40008, %r10d # imm = 0x9C48
+; X64-Linux-Large-NEXT:    movl $0, %r11d
 ; X64-Linux-Large-NEXT:    callq *__morestack_addr(%rip)
 ; X64-Linux-Large-NEXT:    retq
 ; X64-Linux-Large-NEXT:    jmp .LBB2_2
@@ -747,8 +747,8 @@
 ; X64-Darwin-NEXT:    addq $40008, %rsp ## imm = 0x9C48
 ; X64-Darwin-NEXT:    retq
 ; X64-Darwin-NEXT:  LBB2_1:
-; X64-Darwin-NEXT:    movabsq $40008, %r10 ## imm = 0x9C48
-; X64-Darwin-NEXT:    movabsq $0, %r11
+; X64-Darwin-NEXT:    movl $40008, %r10d ## imm = 0x9C48
+; X64-Darwin-NEXT:    movl $0, %r11d
 ; X64-Darwin-NEXT:    callq ___morestack
 ; X64-Darwin-NEXT:    retq
 ; X64-Darwin-NEXT:    jmp LBB2_2
@@ -793,8 +793,8 @@
 ; X64-FreeBSD-NEXT:    .cfi_def_cfa_offset 8
 ; X64-FreeBSD-NEXT:    retq
 ; X64-FreeBSD-NEXT:  .LBB2_1:
-; X64-FreeBSD-NEXT:    movabsq $40008, %r10 # imm = 0x9C48
-; X64-FreeBSD-NEXT:    movabsq $0, %r11
+; X64-FreeBSD-NEXT:    movl $40008, %r10d # imm = 0x9C48
+; X64-FreeBSD-NEXT:    movl $0, %r11d
 ; X64-FreeBSD-NEXT:    callq __morestack
 ; X64-FreeBSD-NEXT:    retq
 ; X64-FreeBSD-NEXT:    jmp .LBB2_2
@@ -838,8 +838,8 @@
 ; X64-DFlyBSD-NEXT:    .cfi_def_cfa_offset 8
 ; X64-DFlyBSD-NEXT:    retq
 ; X64-DFlyBSD-NEXT:  .LBB2_1:
-; X64-DFlyBSD-NEXT:    movabsq $40008, %r10 # imm = 0x9C48
-; X64-DFlyBSD-NEXT:    movabsq $0, %r11
+; X64-DFlyBSD-NEXT:    movl $40008, %r10d # imm = 0x9C48
+; X64-DFlyBSD-NEXT:    movl $0, %r11d
 ; X64-DFlyBSD-NEXT:    callq __morestack
 ; X64-DFlyBSD-NEXT:    retq
 ; X64-DFlyBSD-NEXT:    jmp .LBB2_2
@@ -862,8 +862,8 @@
 ; X64-MinGW-NEXT:    addq $40040, %rsp # imm = 0x9C68
 ; X64-MinGW-NEXT:    retq
 ; X64-MinGW-NEXT:  .LBB2_1:
-; X64-MinGW-NEXT:    movabsq $40040, %r10 # imm = 0x9C68
-; X64-MinGW-NEXT:    movabsq $32, %r11
+; X64-MinGW-NEXT:    movl $40040, %r10d # imm = 0x9C68
+; X64-MinGW-NEXT:    movl $32, %r11d
 ; X64-MinGW-NEXT:    callq __morestack
 ; X64-MinGW-NEXT:    retq
 ; X64-MinGW-NEXT:    jmp .LBB2_2
@@ -911,8 +911,8 @@
 ; X64-Linux-NEXT:    .cfi_def_cfa_offset 8
 ; X64-Linux-NEXT:    retq
 ; X64-Linux-NEXT:  .LBB3_1:
-; X64-Linux-NEXT:    movabsq $40, %r10
-; X64-Linux-NEXT:    movabsq $0, %r11
+; X64-Linux-NEXT:    movl $40, %r10d
+; X64-Linux-NEXT:    movl $0, %r11d
 ; X64-Linux-NEXT:    callq __morestack
 ; X64-Linux-NEXT:    retq
 ; X64-Linux-NEXT:    jmp .LBB3_2
@@ -932,8 +932,8 @@
 ; X64-Linux-Large-NEXT:    .cfi_def_cfa_offset 8
 ; X64-Linux-Large-NEXT:    retq
 ; X64-Linux-Large-NEXT:  .LBB3_1:
-; X64-Linux-Large-NEXT:    movabsq $40, %r10
-; X64-Linux-Large-NEXT:    movabsq $0, %r11
+; X64-Linux-Large-NEXT:    movl $40, %r10d
+; X64-Linux-Large-NEXT:    movl $0, %r11d
 ; X64-Linux-Large-NEXT:    callq *__morestack_addr(%rip)
 ; X64-Linux-Large-NEXT:    retq
 ; X64-Linux-Large-NEXT:    jmp .LBB3_2
@@ -992,8 +992,8 @@
 ; X64-Darwin-NEXT:    addq $40, %rsp
 ; X64-Darwin-NEXT:    retq
 ; X64-Darwin-NEXT:  LBB3_1:
-; X64-Darwin-NEXT:    movabsq $40, %r10
-; X64-Darwin-NEXT:    movabsq $0, %r11
+; X64-Darwin-NEXT:    movl $40, %r10d
+; X64-Darwin-NEXT:    movl $0, %r11d
 ; X64-Darwin-NEXT:    callq ___morestack
 ; X64-Darwin-NEXT:    retq
 ; X64-Darwin-NEXT:    jmp LBB3_2
@@ -1035,8 +1035,8 @@
 ; X64-FreeBSD-NEXT:    .cfi_def_cfa_offset 8
 ; X64-FreeBSD-NEXT:    retq
 ; X64-FreeBSD-NEXT:  .LBB3_1:
-; X64-FreeBSD-NEXT:    movabsq $40, %r10
-; X64-FreeBSD-NEXT:    movabsq $0, %r11
+; X64-FreeBSD-NEXT:    movl $40, %r10d
+; X64-FreeBSD-NEXT:    movl $0, %r11d
 ; X64-FreeBSD-NEXT:    callq __morestack
 ; X64-FreeBSD-NEXT:    retq
 ; X64-FreeBSD-NEXT:    jmp .LBB3_2
@@ -1078,8 +1078,8 @@
 ; X64-DFlyBSD-NEXT:    .cfi_def_cfa_offset 8
 ; X64-DFlyBSD-NEXT:    retq
 ; X64-DFlyBSD-NEXT:  .LBB3_1:
-; X64-DFlyBSD-NEXT:    movabsq $40, %r10
-; X64-DFlyBSD-NEXT:    movabsq $0, %r11
+; X64-DFlyBSD-NEXT:    movl $40, %r10d
+; X64-DFlyBSD-NEXT:    movl $0, %r11d
 ; X64-DFlyBSD-NEXT:    callq __morestack
 ; X64-DFlyBSD-NEXT:    retq
 ; X64-DFlyBSD-NEXT:    jmp .LBB3_2
@@ -1099,8 +1099,8 @@
 ; X64-MinGW-NEXT:    addq $72, %rsp
 ; X64-MinGW-NEXT:    retq
 ; X64-MinGW-NEXT:  .LBB3_1:
-; X64-MinGW-NEXT:    movabsq $72, %r10
-; X64-MinGW-NEXT:    movabsq $32, %r11
+; X64-MinGW-NEXT:    movl $72, %r10d
+; X64-MinGW-NEXT:    movl $32, %r11d
 ; X64-MinGW-NEXT:    callq __morestack
 ; X64-MinGW-NEXT:    retq
 ; X64-MinGW-NEXT:    jmp .LBB3_2
@@ -1150,8 +1150,8 @@
 ; X64-Linux-NEXT:    .cfi_def_cfa_offset 8
 ; X64-Linux-NEXT:    retq
 ; X64-Linux-NEXT:  .LBB4_1:
-; X64-Linux-NEXT:    movabsq $40008, %r10 # imm = 0x9C48
-; X64-Linux-NEXT:    movabsq $0, %r11
+; X64-Linux-NEXT:    movl $40008, %r10d # imm = 0x9C48
+; X64-Linux-NEXT:    movl $0, %r11d
 ; X64-Linux-NEXT:    callq __morestack
 ; X64-Linux-NEXT:    retq
 ; X64-Linux-NEXT:    jmp .LBB4_2
@@ -1172,8 +1172,8 @@
 ; X64-Linux-Large-NEXT:    .cfi_def_cfa_offset 8
 ; X64-Linux-Large-NEXT:    retq
 ; X64-Linux-Large-NEXT:  .LBB4_1:
-; X64-Linux-Large-NEXT:    movabsq $40008, %r10 # imm = 0x9C48
-; X64-Linux-Large-NEXT:    movabsq $0, %r11
+; X64-Linux-Large-NEXT:    movl $40008, %r10d # imm = 0x9C48
+; X64-Linux-Large-NEXT:    movl $0, %r11d
 ; X64-Linux-Large-NEXT:    callq *__morestack_addr(%rip)
 ; X64-Linux-Large-NEXT:    retq
 ; X64-Linux-Large-NEXT:    jmp .LBB4_2
@@ -1235,8 +1235,8 @@
 ; X64-Darwin-NEXT:    addq $40008, %rsp ## imm = 0x9C48
 ; X64-Darwin-NEXT:    retq
 ; X64-Darwin-NEXT:  LBB4_1:
-; X64-Darwin-NEXT:    movabsq $40008, %r10 ## imm = 0x9C48
-; X64-Darwin-NEXT:    movabsq $0, %r11
+; X64-Darwin-NEXT:    movl $40008, %r10d ## imm = 0x9C48
+; X64-Darwin-NEXT:    movl $0, %r11d
 ; X64-Darwin-NEXT:    callq ___morestack
 ; X64-Darwin-NEXT:    retq
 ; X64-Darwin-NEXT:    jmp LBB4_2
@@ -1281,8 +1281,8 @@
 ; X64-FreeBSD-NEXT:    .cfi_def_cfa_offset 8
 ; X64-FreeBSD-NEXT:    retq
 ; X64-FreeBSD-NEXT:  .LBB4_1:
-; X64-FreeBSD-NEXT:    movabsq $40008, %r10 # imm = 0x9C48
-; X64-FreeBSD-NEXT:    movabsq $0, %r11
+; X64-FreeBSD-NEXT:    movl $40008, %r10d # imm = 0x9C48
+; X64-FreeBSD-NEXT:    movl $0, %r11d
 ; X64-FreeBSD-NEXT:    callq __morestack
 ; X64-FreeBSD-NEXT:    retq
 ; X64-FreeBSD-NEXT:    jmp .LBB4_2
@@ -1326,8 +1326,8 @@
 ; X64-DFlyBSD-NEXT:    .cfi_def_cfa_offset 8
 ; X64-DFlyBSD-NEXT:    retq
 ; X64-DFlyBSD-NEXT:  .LBB4_1:
-; X64-DFlyBSD-NEXT:    movabsq $40008, %r10 # imm = 0x9C48
-; X64-DFlyBSD-NEXT:    movabsq $0, %r11
+; X64-DFlyBSD-NEXT:    movl $40008, %r10d # imm = 0x9C48
+; X64-DFlyBSD-NEXT:    movl $0, %r11d
 ; X64-DFlyBSD-NEXT:    callq __morestack
 ; X64-DFlyBSD-NEXT:    retq
 ; X64-DFlyBSD-NEXT:    jmp .LBB4_2
@@ -1350,8 +1350,8 @@
 ; X64-MinGW-NEXT:    addq $40040, %rsp # imm = 0x9C68
 ; X64-MinGW-NEXT:    retq
 ; X64-MinGW-NEXT:  .LBB4_1:
-; X64-MinGW-NEXT:    movabsq $40040, %r10 # imm = 0x9C68
-; X64-MinGW-NEXT:    movabsq $32, %r11
+; X64-MinGW-NEXT:    movl $40040, %r10d # imm = 0x9C68
+; X64-MinGW-NEXT:    movl $32, %r11d
 ; X64-MinGW-NEXT:    callq __morestack
 ; X64-MinGW-NEXT:    retq
 ; X64-MinGW-NEXT:    jmp .LBB4_2
@@ -1403,8 +1403,8 @@
 ; X64-Linux-NEXT:    .cfi_def_cfa_offset 8
 ; X64-Linux-NEXT:    retq
 ; X64-Linux-NEXT:  .LBB5_1:
-; X64-Linux-NEXT:    movabsq $40008, %r10 # imm = 0x9C48
-; X64-Linux-NEXT:    movabsq $0, %r11
+; X64-Linux-NEXT:    movl $40008, %r10d # imm = 0x9C48
+; X64-Linux-NEXT:    movl $0, %r11d
 ; X64-Linux-NEXT:    callq __morestack
 ; X64-Linux-NEXT:    retq
 ; X64-Linux-NEXT:    jmp .LBB5_2
@@ -1425,8 +1425,8 @@
 ; X64-Linux-Large-NEXT:    .cfi_def_cfa_offset 8
 ; X64-Linux-Large-NEXT:    retq
 ; X64-Linux-Large-NEXT:  .LBB5_1:
-; X64-Linux-Large-NEXT:    movabsq $40008, %r10 # imm = 0x9C48
-; X64-Linux-Large-NEXT:    movabsq $0, %r11
+; X64-Linux-Large-NEXT:    movl $40008, %r10d # imm = 0x9C48
+; X64-Linux-Large-NEXT:    movl $0, %r11d
 ; X64-Linux-Large-NEXT:    callq *__morestack_addr(%rip)
 ; X64-Linux-Large-NEXT:    retq
 ; X64-Linux-Large-NEXT:    jmp .LBB5_2
@@ -1490,8 +1490,8 @@
 ; X64-Darwin-NEXT:    addq $40008, %rsp ## imm = 0x9C48
 ; X64-Darwin-NEXT:    retq
 ; X64-Darwin-NEXT:  LBB5_1:
-; X64-Darwin-NEXT:    movabsq $40008, %r10 ## imm = 0x9C48
-; X64-Darwin-NEXT:    movabsq $0, %r11
+; X64-Darwin-NEXT:    movl $40008, %r10d ## imm = 0x9C48
+; X64-Darwin-NEXT:    movl $0, %r11d
 ; X64-Darwin-NEXT:    callq ___morestack
 ; X64-Darwin-NEXT:    retq
 ; X64-Darwin-NEXT:    jmp LBB5_2
@@ -1536,8 +1536,8 @@
 ; X64-FreeBSD-NEXT:    .cfi_def_cfa_offset 8
 ; X64-FreeBSD-NEXT:    retq
 ; X64-FreeBSD-NEXT:  .LBB5_1:
-; X64-FreeBSD-NEXT:    movabsq $40008, %r10 # imm = 0x9C48
-; X64-FreeBSD-NEXT:    movabsq $0, %r11
+; X64-FreeBSD-NEXT:    movl $40008, %r10d # imm = 0x9C48
+; X64-FreeBSD-NEXT:    movl $0, %r11d
 ; X64-FreeBSD-NEXT:    callq __morestack
 ; X64-FreeBSD-NEXT:    retq
 ; X64-FreeBSD-NEXT:    jmp .LBB5_2
@@ -1581,8 +1581,8 @@
 ; X64-DFlyBSD-NEXT:    .cfi_def_cfa_offset 8
 ; X64-DFlyBSD-NEXT:    retq
 ; X64-DFlyBSD-NEXT:  .LBB5_1:
-; X64-DFlyBSD-NEXT:    movabsq $40008, %r10 # imm = 0x9C48
-; X64-DFlyBSD-NEXT:    movabsq $0, %r11
+; X64-DFlyBSD-NEXT:    movl $40008, %r10d # imm = 0x9C48
+; X64-DFlyBSD-NEXT:    movl $0, %r11d
 ; X64-DFlyBSD-NEXT:    callq __morestack
 ; X64-DFlyBSD-NEXT:    retq
 ; X64-DFlyBSD-NEXT:    jmp .LBB5_2
@@ -1605,8 +1605,8 @@
 ; X64-MinGW-NEXT:    addq $40040, %rsp # imm = 0x9C68
 ; X64-MinGW-NEXT:    retq
 ; X64-MinGW-NEXT:  .LBB5_1:
-; X64-MinGW-NEXT:    movabsq $40040, %r10 # imm = 0x9C68
-; X64-MinGW-NEXT:    movabsq $32, %r11
+; X64-MinGW-NEXT:    movl $40040, %r10d # imm = 0x9C68
+; X64-MinGW-NEXT:    movl $32, %r11d
 ; X64-MinGW-NEXT:    callq __morestack
 ; X64-MinGW-NEXT:    retq
 ; X64-MinGW-NEXT:    jmp .LBB5_2
@@ -1737,8 +1737,8 @@
 ; X64-Linux-NEXT:  # %bb.2:
 ; X64-Linux-NEXT:    jmp callee@PLT # TAILCALL
 ; X64-Linux-NEXT:  .LBB8_1:
-; X64-Linux-NEXT:    movabsq $0, %r10
-; X64-Linux-NEXT:    movabsq $0, %r11
+; X64-Linux-NEXT:    movl $0, %r10d
+; X64-Linux-NEXT:    movl $0, %r11d
 ; X64-Linux-NEXT:    callq __morestack
 ; X64-Linux-NEXT:    retq
 ; X64-Linux-NEXT:    jmp callee@PLT # TAILCALL
@@ -1751,8 +1751,8 @@
 ; X64-Linux-Large-NEXT:    movabsq $callee, %rax
 ; X64-Linux-Large-NEXT:    jmpq *%rax # TAILCALL
 ; X64-Linux-Large-NEXT:  .LBB8_1:
-; X64-Linux-Large-NEXT:    movabsq $0, %r10
-; X64-Linux-Large-NEXT:    movabsq $0, %r11
+; X64-Linux-Large-NEXT:    movl $0, %r10d
+; X64-Linux-Large-NEXT:    movl $0, %r11d
 ; X64-Linux-Large-NEXT:    callq *__morestack_addr(%rip)
 ; X64-Linux-Large-NEXT:    retq
 ; X64-Linux-Large-NEXT:    movabsq $callee, %rax
@@ -1792,8 +1792,8 @@
 ; X64-Darwin-NEXT:  ## %bb.2:
 ; X64-Darwin-NEXT:    jmp _callee ## TAILCALL
 ; X64-Darwin-NEXT:  LBB8_1:
-; X64-Darwin-NEXT:    movabsq $0, %r10
-; X64-Darwin-NEXT:    movabsq $0, %r11
+; X64-Darwin-NEXT:    movl $0, %r10d
+; X64-Darwin-NEXT:    movl $0, %r11d
 ; X64-Darwin-NEXT:    callq ___morestack
 ; X64-Darwin-NEXT:    retq
 ; X64-Darwin-NEXT:    jmp _callee ## TAILCALL
@@ -1818,8 +1818,8 @@
 ; X64-FreeBSD-NEXT:  # %bb.2:
 ; X64-FreeBSD-NEXT:    jmp callee@PLT # TAILCALL
 ; X64-FreeBSD-NEXT:  .LBB8_1:
-; X64-FreeBSD-NEXT:    movabsq $0, %r10
-; X64-FreeBSD-NEXT:    movabsq $0, %r11
+; X64-FreeBSD-NEXT:    movl $0, %r10d
+; X64-FreeBSD-NEXT:    movl $0, %r11d
 ; X64-FreeBSD-NEXT:    callq __morestack
 ; X64-FreeBSD-NEXT:    retq
 ; X64-FreeBSD-NEXT:    jmp callee@PLT # TAILCALL
@@ -1844,8 +1844,8 @@
 ; X64-DFlyBSD-NEXT:  # %bb.2:
 ; X64-DFlyBSD-NEXT:    jmp callee@PLT # TAILCALL
 ; X64-DFlyBSD-NEXT:  .LBB8_1:
-; X64-DFlyBSD-NEXT:    movabsq $0, %r10
-; X64-DFlyBSD-NEXT:    movabsq $0, %r11
+; X64-DFlyBSD-NEXT:    movl $0, %r10d
+; X64-DFlyBSD-NEXT:    movl $0, %r11d
 ; X64-DFlyBSD-NEXT:    callq __morestack
 ; X64-DFlyBSD-NEXT:    retq
 ; X64-DFlyBSD-NEXT:    jmp callee@PLT # TAILCALL
@@ -1857,8 +1857,8 @@
 ; X64-MinGW-NEXT:  # %bb.2:
 ; X64-MinGW-NEXT:    jmp callee # TAILCALL
 ; X64-MinGW-NEXT:  .LBB8_1:
-; X64-MinGW-NEXT:    movabsq $0, %r10
-; X64-MinGW-NEXT:    movabsq $32, %r11
+; X64-MinGW-NEXT:    movl $0, %r10d
+; X64-MinGW-NEXT:    movl $32, %r11d
 ; X64-MinGW-NEXT:    callq __morestack
 ; X64-MinGW-NEXT:    retq
 ; X64-MinGW-NEXT:    jmp callee # TAILCALL
@@ -1910,8 +1910,8 @@
 ; X64-Linux-NEXT:    .cfi_def_cfa_offset 8
 ; X64-Linux-NEXT:    retq
 ; X64-Linux-NEXT:  .LBB9_1:
-; X64-Linux-NEXT:    movabsq $40, %r10
-; X64-Linux-NEXT:    movabsq $0, %r11
+; X64-Linux-NEXT:    movl $40, %r10d
+; X64-Linux-NEXT:    movl $0, %r11d
 ; X64-Linux-NEXT:    callq __morestack
 ; X64-Linux-NEXT:    retq
 ; X64-Linux-NEXT:    jmp .LBB9_2
@@ -1932,8 +1932,8 @@
 ; X64-Linux-Large-NEXT:    .cfi_def_cfa_offset 8
 ; X64-Linux-Large-NEXT:    retq
 ; X64-Linux-Large-NEXT:  .LBB9_1:
-; X64-Linux-Large-NEXT:    movabsq $40, %r10
-; X64-Linux-Large-NEXT:    movabsq $0, %r11
+; X64-Linux-Large-NEXT:    movl $40, %r10d
+; X64-Linux-Large-NEXT:    movl $0, %r11d
 ; X64-Linux-Large-NEXT:    callq *__morestack_addr(%rip)
 ; X64-Linux-Large-NEXT:    retq
 ; X64-Linux-Large-NEXT:    jmp .LBB9_2
@@ -1995,8 +1995,8 @@
 ; X64-Darwin-NEXT:    addq $40, %rsp
 ; X64-Darwin-NEXT:    retq
 ; X64-Darwin-NEXT:  LBB9_1:
-; X64-Darwin-NEXT:    movabsq $40, %r10
-; X64-Darwin-NEXT:    movabsq $0, %r11
+; X64-Darwin-NEXT:    movl $40, %r10d
+; X64-Darwin-NEXT:    movl $0, %r11d
 ; X64-Darwin-NEXT:    callq ___morestack
 ; X64-Darwin-NEXT:    retq
 ; X64-Darwin-NEXT:    jmp LBB9_2
@@ -2042,8 +2042,8 @@
 ; X64-FreeBSD-NEXT:    .cfi_def_cfa_offset 8
 ; X64-FreeBSD-NEXT:    retq
 ; X64-FreeBSD-NEXT:  .LBB9_1:
-; X64-FreeBSD-NEXT:    movabsq $40, %r10
-; X64-FreeBSD-NEXT:    movabsq $0, %r11
+; X64-FreeBSD-NEXT:    movl $40, %r10d
+; X64-FreeBSD-NEXT:    movl $0, %r11d
 ; X64-FreeBSD-NEXT:    callq __morestack
 ; X64-FreeBSD-NEXT:    retq
 ; X64-FreeBSD-NEXT:    jmp .LBB9_2
@@ -2089,8 +2089,8 @@
 ; X64-DFlyBSD-NEXT:    .cfi_def_cfa_offset 8
 ; X64-DFlyBSD-NEXT:    retq
 ; X64-DFlyBSD-NEXT:  .LBB9_1:
-; X64-DFlyBSD-NEXT:    movabsq $40, %r10
-; X64-DFlyBSD-NEXT:    movabsq $0, %r11
+; X64-DFlyBSD-NEXT:    movl $40, %r10d
+; X64-DFlyBSD-NEXT:    movl $0, %r11d
 ; X64-DFlyBSD-NEXT:    callq __morestack
 ; X64-DFlyBSD-NEXT:    retq
 ; X64-DFlyBSD-NEXT:    jmp .LBB9_2
@@ -2110,8 +2110,8 @@
 ; X64-MinGW-NEXT:    addq $72, %rsp
 ; X64-MinGW-NEXT:    retq
 ; X64-MinGW-NEXT:  .LBB9_1:
-; X64-MinGW-NEXT:    movabsq $72, %r10
-; X64-MinGW-NEXT:    movabsq $32, %r11
+; X64-MinGW-NEXT:    movl $72, %r10d
+; X64-MinGW-NEXT:    movl $32, %r11d
 ; X64-MinGW-NEXT:    callq __morestack
 ; X64-MinGW-NEXT:    retq
 ; X64-MinGW-NEXT:    jmp .LBB9_2