Revert SSE assembler changes

runtime/vm/assembler_ia32.cc

Index: runtime/vm/assembler_ia32.cc
diff --git a/runtime/vm/assembler_ia32.cc b/runtime/vm/assembler_ia32.cc
index 93e4e5451b652fe5825c430242a6521d023cc61d..1e233164bf54199008c7ad6e384f601bc9ed25a6 100644
--- a/runtime/vm/assembler_ia32.cc
+++ b/runtime/vm/assembler_ia32.cc
@@ -505,22 +505,6 @@ void Assembler::movaps(XmmRegister dst, XmmRegister src) {
 }
 
 
-void Assembler::movups(XmmRegister dst, const Address& src) {
-  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
-  EmitUint8(0x0F);
-  EmitUint8(0x10);
-  EmitOperand(dst, src);
-}
-
-
-void Assembler::movups(const Address& dst, XmmRegister src) {
-  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
-  EmitUint8(0x0F);
-  EmitUint8(0x11);
-  EmitOperand(src, dst);
-}
-
-
 void Assembler::addsd(XmmRegister dst, XmmRegister src) {
   AssemblerBuffer::EnsureCapacity ensured(&buffer_);
   EmitUint8(0xF2);
@@ -539,227 +523,6 @@ void Assembler::addsd(XmmRegister dst, const Address& src) {
 }
 
 
-void Assembler::addps(XmmRegister dst, XmmRegister src) {
-  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
-  EmitUint8(0x0F);
-  EmitUint8(0x58);
-  EmitXmmRegisterOperand(dst, src);
-}
-
-
-void Assembler::subps(XmmRegister dst, XmmRegister src) {
-  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
-  EmitUint8(0x0F);
-  EmitUint8(0x5C);
-  EmitXmmRegisterOperand(dst, src);
-}
-
-
-void Assembler::divps(XmmRegister dst, XmmRegister src) {
-  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
-  EmitUint8(0x0F);
-  EmitUint8(0x5E);
-  EmitXmmRegisterOperand(dst, src);
-}
-
-
-void Assembler::mulps(XmmRegister dst, XmmRegister src) {
-  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
-  EmitUint8(0x0F);
-  EmitUint8(0x59);
-  EmitXmmRegisterOperand(dst, src);
-}
-
-
-void Assembler::minps(XmmRegister dst, XmmRegister src) {
-  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
-  EmitUint8(0x0F);
-  EmitUint8(0x5D);
-  EmitXmmRegisterOperand(dst, src);
-}
-
-
-void Assembler::maxps(XmmRegister dst, XmmRegister src) {
-  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
-  EmitUint8(0x0F);
-  EmitUint8(0x5F);
-  EmitXmmRegisterOperand(dst, src);
-}
-
-
-void Assembler::andps(XmmRegister dst, XmmRegister src) {
-  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
-  EmitUint8(0x0F);
-  EmitUint8(0x54);
-  EmitXmmRegisterOperand(dst, src);
-}
-
-
-void Assembler::andps(XmmRegister dst, const Address& src) {
-  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
-  EmitUint8(0x0F);
-  EmitUint8(0x54);
-  EmitOperand(dst, src);
-}
-
-
-void Assembler::orps(XmmRegister dst, XmmRegister src) {
-  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
-  EmitUint8(0x0F);
-  EmitUint8(0x56);
-  EmitXmmRegisterOperand(dst, src);
-}
-
-
-void Assembler::notps(XmmRegister dst) {
-  static const struct ALIGN16 {
-    uint32_t a;
-    uint32_t b;
-    uint32_t c;
-    uint32_t d;
-  } float_not_constant =
-      { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF };
-  xorps(dst,
-    Address::Absolute(reinterpret_cast<uword>(&float_not_constant)));
-}
-
-
-void Assembler::negateps(XmmRegister dst) {
-  static const struct ALIGN16 {
-    uint32_t a;
-    uint32_t b;
-    uint32_t c;
-    uint32_t d;
-  } float_negate_constant =
-      { 0x80000000, 0x80000000, 0x80000000, 0x80000000 };
-  xorps(dst,
-        Address::Absolute(reinterpret_cast<uword>(&float_negate_constant)));
-}
-
-
-void Assembler::absps(XmmRegister dst) {
-  static const struct ALIGN16 {
-    uint32_t a;
-    uint32_t b;
-    uint32_t c;
-    uint32_t d;
-  } float_absolute_constant =
-      { 0x7FFFFFFF, 0x7FFFFFFF, 0x7FFFFFFF, 0x7FFFFFFF };
-  andps(dst,
-        Address::Absolute(reinterpret_cast<uword>(&float_absolute_constant)));
-}
-
-
-void Assembler::zerowps(XmmRegister dst) {
-  static const struct ALIGN16 {
-    uint32_t a;
-    uint32_t b;
-    uint32_t c;
-    uint32_t d;
-  } float_zerow_constant =
-      { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000 };
-  andps(dst, Address::Absolute(reinterpret_cast<uword>(&float_zerow_constant)));
-}
-
-
-void Assembler::cmppseq(XmmRegister dst, XmmRegister src) {
-  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
-  EmitUint8(0x0F);
-  EmitUint8(0xC2);
-  EmitXmmRegisterOperand(dst, src);
-  EmitUint8(0x0);
-}
-
-
-void Assembler::cmppsneq(XmmRegister dst, XmmRegister src) {
-  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
-  EmitUint8(0x0F);
-  EmitUint8(0xC2);
-  EmitXmmRegisterOperand(dst, src);
-  EmitUint8(0x4);
-}
-
-
-void Assembler::cmppslt(XmmRegister dst, XmmRegister src) {
-  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
-  EmitUint8(0x0F);
-  EmitUint8(0xC2);
-  EmitXmmRegisterOperand(dst, src);
-  EmitUint8(0x1);
-}
-
-
-void Assembler::cmppsle(XmmRegister dst, XmmRegister src) {
-  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
-  EmitUint8(0x0F);
-  EmitUint8(0xC2);
-  EmitXmmRegisterOperand(dst, src);
-  EmitUint8(0x2);
-}
-
-
-void Assembler::cmppsnlt(XmmRegister dst, XmmRegister src) {
-  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
-  EmitUint8(0x0F);
-  EmitUint8(0xC2);
-  EmitXmmRegisterOperand(dst, src);
-  EmitUint8(0x5);
-}
-
-
-void Assembler::cmppsnle(XmmRegister dst, XmmRegister src) {
-  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
-  EmitUint8(0x0F);
-  EmitUint8(0xC2);
-  EmitXmmRegisterOperand(dst, src);
-  EmitUint8(0x6);
-}
-
-
-void Assembler::sqrtps(XmmRegister dst) {
-  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
-  EmitUint8(0x0F);
-  EmitUint8(0x51);
-  EmitXmmRegisterOperand(dst, dst);
-}
-
-
-void Assembler::rsqrtps(XmmRegister dst) {
-  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
-  EmitUint8(0x0F);
-  EmitUint8(0x52);
-  EmitXmmRegisterOperand(dst, dst);
-}
-
-
-void Assembler::reciprocalps(XmmRegister dst) {
-  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
-  EmitUint8(0x0F);
-  EmitUint8(0x53);
-  EmitXmmRegisterOperand(dst, dst);
-}
-
-
-void Assembler::set1ps(XmmRegister dst, Register tmp1, const Immediate& imm) {
-  // Load 32-bit immediate value into tmp1.
-  movl(tmp1, imm);
-  // Move value from tmp1 into dst.
-  movd(dst, tmp1);
-  // Broadcast low lane into other three lanes.
-  shufps(dst, dst, Immediate(0x0));
-}
-
-
-void Assembler::shufps(XmmRegister dst, XmmRegister src, const Immediate& imm) {
-  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
-  EmitUint8(0x0F);
-  EmitUint8(0xC6);
-  EmitXmmRegisterOperand(dst, src);
-  ASSERT(imm.is_uint8());
-  EmitUint8(imm.value());
-}
-
-
 void Assembler::subsd(XmmRegister dst, XmmRegister src) {
   AssemblerBuffer::EnsureCapacity ensured(&buffer_);
   EmitUint8(0xF2);
@@ -921,14 +684,6 @@ void Assembler::movmskpd(Register dst, XmmRegister src) {
 }
 
 
-void Assembler::movmskps(Register dst, XmmRegister src) {
-  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
-  EmitUint8(0x0F);
-  EmitUint8(0x50);
-  EmitXmmRegisterOperand(dst, src);
-}
-
-
 void Assembler::sqrtsd(XmmRegister dst, XmmRegister src) {
   AssemblerBuffer::EnsureCapacity ensured(&buffer_);
   EmitUint8(0xF2);
@@ -2061,14 +1816,14 @@ void Assembler::EnterCallRuntimeFrame(intptr_t frame_space) {
   }
 
   // Preserve all XMM registers except XMM0
-  subl(ESP, Immediate((kNumberOfXmmRegisters - 1) * kFpuRegisterSize));
+  subl(ESP, Immediate((kNumberOfXmmRegisters - 1) * kDoubleSize));
   // Store XMM registers with the lowest register number at the lowest
   // address.
   intptr_t offset = 0;
   for (intptr_t reg_idx = 1; reg_idx < kNumberOfXmmRegisters; ++reg_idx) {
     XmmRegister xmm_reg = static_cast<XmmRegister>(reg_idx);
-    movups(Address(ESP, offset), xmm_reg);
-    offset += kFpuRegisterSize;
+    movsd(Address(ESP, offset), xmm_reg);
+    offset += kDoubleSize;
   }
 
   ReserveAlignedFrameSpace(frame_space);
@@ -2081,7 +1836,7 @@ void Assembler::LeaveCallRuntimeFrame() {
   // We need to restore it before restoring registers.
   const intptr_t kPushedRegistersSize =
       kNumberOfVolatileCpuRegisters * kWordSize +
-      kNumberOfVolatileXmmRegisters * kFpuRegisterSize;
+      kNumberOfVolatileXmmRegisters * kDoubleSize;
   leal(ESP, Address(EBP, -kPushedRegistersSize));
 
   // Restore all XMM registers except XMM0
@@ -2089,8 +1844,8 @@ void Assembler::LeaveCallRuntimeFrame() {
   intptr_t offset = 0;
   for (intptr_t reg_idx = 1; reg_idx < kNumberOfXmmRegisters; ++reg_idx) {
     XmmRegister xmm_reg = static_cast<XmmRegister>(reg_idx);
-    movups(xmm_reg, Address(ESP, offset));
-    offset += kFpuRegisterSize;
+    movsd(xmm_reg, Address(ESP, offset));
+    offset += kDoubleSize;
   }
   addl(ESP, Immediate(offset));