Subzero, MIPS32: MOVZ instruction encoding

Implements MOVZ instruction encoding R=stichnot@chromium.org Review URL: https://codereview.chromium.org/2377783002 . Patch from Srdjan Obucina <Srdjan.Obucina@imgtec.com>.

Subzero, MIPS32: MOVZ instruction encoding
b0f09fc8 · Srdjan Obucina · Jim Stichnoth · 6163c62f · b0f09fc8 · b0f09fc8
Commit b0f09fc8 authored Sep 27, 2016 by Srdjan Obucina Committed by Jim Stichnoth Sep 27, 2016
Showing with 14 additions and 0 deletions

IceAssemblerMIPS32.cpp src/IceAssemblerMIPS32.cpp +6 -0

IceAssemblerMIPS32.h src/IceAssemblerMIPS32.h +2 -0

IceInstMIPS32.cpp src/IceInstMIPS32.cpp +5 -0

IceInstMIPS32.h src/IceInstMIPS32.h +1 -0

No files found.
--- a/src/IceAssemblerMIPS32.cpp
+++ b/src/IceAssemblerMIPS32.cpp
@@ -709,6 +709,12 @@ void AssemblerMIPS32::movz_d(const Operand *OpFd, const Operand *OpFs,
  emitCOP1FmtFtFsFd(Opcode, SinglePrecision, OpFd, OpFs, OpFt, "movz.d");
 }

+void AssemblerMIPS32::movz(const Operand *OpRd, const Operand *OpRs,
+                           const Operand *OpRt) {
+  static constexpr IValueT Opcode = 0x0000000A;
+  emitRdRsRt(Opcode, OpRd, OpRs, OpRt, "movz");
+}
+
 void AssemblerMIPS32::movz_s(const Operand *OpFd, const Operand *OpFs,
                             const Operand *OpFt) {
  static constexpr IValueT Opcode = 0x44000012;

--- a/src/IceAssemblerMIPS32.h
+++ b/src/IceAssemblerMIPS32.h
@@ -191,6 +191,8 @@ public:

  void movt(const Operand *OpRd, const Operand *OpRs, const Operand *OpCc);

+  void movz(const Operand *OpRd, const Operand *OpRs, const Operand *OpRt);
+
  void movz_d(const Operand *OpFd, const Operand *OpFs, const Operand *OpFt);

  void movz_s(const Operand *OpFd, const Operand *OpFs, const Operand *OpFt);

--- a/src/IceInstMIPS32.cpp
+++ b/src/IceInstMIPS32.cpp
@@ -994,6 +994,11 @@ template <> void InstMIPS32Movt::emitIAS(const Cfg *Func) const {
  Asm->movt(getDest(), getSrc(1), getSrc(2));
 }

+template <> void InstMIPS32Movz::emitIAS(const Cfg *Func) const {
+  auto *Asm = Func->getAssembler<MIPS32::AssemblerMIPS32>();
+  Asm->movz(getDest(), getSrc(0), getSrc(1));
+}
+
 template <> void InstMIPS32Movz_d::emitIAS(const Cfg *Func) const {
  auto *Asm = Func->getAssembler<MIPS32::AssemblerMIPS32>();
  Asm->movz_d(getDest(), getSrc(0), getSrc(1));

--- a/src/IceInstMIPS32.h
+++ b/src/IceInstMIPS32.h
@@ -1286,6 +1286,7 @@ template <> void InstMIPS32Movn::emitIAS(const Cfg *Func) const;
 template <> void InstMIPS32Movn_d::emitIAS(const Cfg *Func) const;
 template <> void InstMIPS32Movn_s::emitIAS(const Cfg *Func) const;
 template <> void InstMIPS32Movt::emitIAS(const Cfg *Func) const;
+template <> void InstMIPS32Movz::emitIAS(const Cfg *Func) const;
 template <> void InstMIPS32Movz_d::emitIAS(const Cfg *Func) const;
 template <> void InstMIPS32Movz_s::emitIAS(const Cfg *Func) const;
 template <> void InstMIPS32Mtc1::emit(const Cfg *Func) const;