Subzero, MIPS32: Intrinsic call Bswap for i16, i32 and i64

src/IceInstMIPS32.cpp

Index: src/IceInstMIPS32.cpp
diff --git a/src/IceInstMIPS32.cpp b/src/IceInstMIPS32.cpp
index bca00ba147dc98eae7caa73d9d7d2fb1ae7d74d6..2c3333dbce121fcdfc3e8a4a351e94a111f773ad 100644
--- a/src/IceInstMIPS32.cpp
+++ b/src/IceInstMIPS32.cpp
@@ -900,6 +900,13 @@ template <> void InstMIPS32Div_s::emitIAS(const Cfg *Func) const {
   Asm->div_s(getDest(), getSrc(0), getSrc(1));
 }
 
+template <> void InstMIPS32Lui::emitIAS(const Cfg *Func) const {

[Jim Stichnoth, 2016/09/27 04:20:32]

This specialization also needs to be declared in the .h file.

[obucinac, 2016/09/27 14:22:01]

Done.

+  auto *Asm = Func->getAssembler<MIPS32::AssemblerMIPS32>();
+  auto *C32 = llvm::dyn_cast<ConstantInteger32>(getSrc(0));
+  uint16_t Imm = static_cast<uint16_t>(C32->getValue());
+  Asm->lui(getDest(), Imm);
+}
+
 template <> void InstMIPS32Lw::emitIAS(const Cfg *Func) const {
   auto *Asm = Func->getAssembler<MIPS32::AssemblerMIPS32>();
   auto *Mem = llvm::dyn_cast<OperandMIPS32Mem>(getSrc(0));