Subzero: Add fabs intrinsic support.

src/IceInstX8632.cpp

Index: src/IceInstX8632.cpp
diff --git a/src/IceInstX8632.cpp b/src/IceInstX8632.cpp
index 776a8708b8a31ccf89ec250629bac6fd42f30f44..478735e77362273384565ea1aae3059d54b56d53 100644
--- a/src/IceInstX8632.cpp
+++ b/src/IceInstX8632.cpp
@@ -943,6 +943,7 @@ template <> const char *InstX8632Psll::Opcode = "psll";
 template <> const char *InstX8632Shr::Opcode = "shr";
 template <> const char *InstX8632Sar::Opcode = "sar";
 template <> const char *InstX8632Psra::Opcode = "psra";
+template <> const char *InstX8632Psrl::Opcode = "psrl";
 template <> const char *InstX8632Pcmpeq::Opcode = "pcmpeq";
 template <> const char *InstX8632Pcmpgt::Opcode = "pcmpgt";
 template <> const char *InstX8632MovssRegs::Opcode = "movss";
@@ -1090,6 +1091,10 @@ template <>
 const x86::AssemblerX86::XmmEmitterShiftOp InstX8632Psra::Emitter = {
     &x86::AssemblerX86::psra, &x86::AssemblerX86::psra,
     &x86::AssemblerX86::psra};
+template <>
+const x86::AssemblerX86::XmmEmitterShiftOp InstX8632Psrl::Emitter = {
+    &x86::AssemblerX86::psrl, &x86::AssemblerX86::psrl,
+    &x86::AssemblerX86::psrl};
 
 template <> void InstX8632Sqrtss::emit(const Cfg *Func) const {
   if (!ALLOW_DUMP)
@@ -2679,6 +2684,15 @@ template <> void InstX8632Psra::emit(const Cfg *Func) const {
   emitTwoAddress(buf, this, Func);
 }
 
+template <> void InstX8632Psrl::emit(const Cfg *Func) const {
+  if (!ALLOW_DUMP)
+    return;
+  char buf[30];
+  snprintf(buf, llvm::array_lengthof(buf), "psrl%s",
+           TypeX8632Attributes[getDest()->getType()].PackString);
+  emitTwoAddress(buf, this, Func);
+}
+
 void InstX8632Ret::emit(const Cfg *Func) const {
   if (!ALLOW_DUMP)
     return;