Rename A64 port to ARM64 port

test/cctest/test-utils-a64.cc

Index: test/cctest/test-utils-a64.cc
diff --git a/test/cctest/test-utils-a64.cc b/test/cctest/test-utils-a64.cc
deleted file mode 100644
index 7179d5db2ff335d4bc831abfaccb4e7a91c6665e..0000000000000000000000000000000000000000
--- a/test/cctest/test-utils-a64.cc
+++ /dev/null
@@ -1,425 +0,0 @@
-// Copyright 2013 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-//       notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-//       copyright notice, this list of conditions and the following
-//       disclaimer in the documentation and/or other materials provided
-//       with the distribution.
-//     * Neither the name of Google Inc. nor the names of its
-//       contributors may be used to endorse or promote products derived
-//       from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#include "v8.h"
-
-#include "macro-assembler.h"
-#include "a64/utils-a64.h"
-#include "cctest.h"
-#include "test-utils-a64.h"
-
-using namespace v8::internal;
-
-
-#define __ masm->
-
-
-bool Equal32(uint32_t expected, const RegisterDump*, uint32_t result) {
-  if (result != expected) {
-    printf("Expected 0x%08" PRIx32 "\t Found 0x%08" PRIx32 "\n",
-           expected, result);
-  }
-
-  return expected == result;
-}
-
-
-bool Equal64(uint64_t expected, const RegisterDump*, uint64_t result) {
-  if (result != expected) {
-    printf("Expected 0x%016" PRIx64 "\t Found 0x%016" PRIx64 "\n",
-           expected, result);
-  }
-
-  return expected == result;
-}
-
-
-bool EqualFP32(float expected, const RegisterDump*, float result) {
-  if (float_to_rawbits(expected) == float_to_rawbits(result)) {
-    return true;
-  } else {
-    if (std::isnan(expected) || (expected == 0.0)) {
-      printf("Expected 0x%08" PRIx32 "\t Found 0x%08" PRIx32 "\n",
-             float_to_rawbits(expected), float_to_rawbits(result));
-    } else {
-      printf("Expected %.9f (0x%08" PRIx32 ")\t "
-             "Found %.9f (0x%08" PRIx32 ")\n",
-             expected, float_to_rawbits(expected),
-             result, float_to_rawbits(result));
-    }
-    return false;
-  }
-}
-
-
-bool EqualFP64(double expected, const RegisterDump*, double result) {
-  if (double_to_rawbits(expected) == double_to_rawbits(result)) {
-    return true;
-  }
-
-  if (std::isnan(expected) || (expected == 0.0)) {
-    printf("Expected 0x%016" PRIx64 "\t Found 0x%016" PRIx64 "\n",
-           double_to_rawbits(expected), double_to_rawbits(result));
-  } else {
-    printf("Expected %.17f (0x%016" PRIx64 ")\t "
-           "Found %.17f (0x%016" PRIx64 ")\n",
-           expected, double_to_rawbits(expected),
-           result, double_to_rawbits(result));
-  }
-  return false;
-}
-
-
-bool Equal32(uint32_t expected, const RegisterDump* core, const Register& reg) {
-  ASSERT(reg.Is32Bits());
-  // Retrieve the corresponding X register so we can check that the upper part
-  // was properly cleared.
-  int64_t result_x = core->xreg(reg.code());
-  if ((result_x & 0xffffffff00000000L) != 0) {
-    printf("Expected 0x%08" PRIx32 "\t Found 0x%016" PRIx64 "\n",
-           expected, result_x);
-    return false;
-  }
-  uint32_t result_w = core->wreg(reg.code());
-  return Equal32(expected, core, result_w);
-}
-
-
-bool Equal64(uint64_t expected,
-             const RegisterDump* core,
-             const Register& reg) {
-  ASSERT(reg.Is64Bits());
-  uint64_t result = core->xreg(reg.code());
-  return Equal64(expected, core, result);
-}
-
-
-bool EqualFP32(float expected,
-               const RegisterDump* core,
-               const FPRegister& fpreg) {
-  ASSERT(fpreg.Is32Bits());
-  // Retrieve the corresponding D register so we can check that the upper part
-  // was properly cleared.
-  uint64_t result_64 = core->dreg_bits(fpreg.code());
-  if ((result_64 & 0xffffffff00000000L) != 0) {
-    printf("Expected 0x%08" PRIx32 " (%f)\t Found 0x%016" PRIx64 "\n",
-           float_to_rawbits(expected), expected, result_64);
-    return false;
-  }
-
-  return EqualFP32(expected, core, core->sreg(fpreg.code()));
-}
-
-
-bool EqualFP64(double expected,
-               const RegisterDump* core,
-               const FPRegister& fpreg) {
-  ASSERT(fpreg.Is64Bits());
-  return EqualFP64(expected, core, core->dreg(fpreg.code()));
-}
-
-
-bool Equal64(const Register& reg0,
-             const RegisterDump* core,
-             const Register& reg1) {
-  ASSERT(reg0.Is64Bits() && reg1.Is64Bits());
-  int64_t expected = core->xreg(reg0.code());
-  int64_t result = core->xreg(reg1.code());
-  return Equal64(expected, core, result);
-}
-
-
-static char FlagN(uint32_t flags) {
-  return (flags & NFlag) ? 'N' : 'n';
-}
-
-
-static char FlagZ(uint32_t flags) {
-  return (flags & ZFlag) ? 'Z' : 'z';
-}
-
-
-static char FlagC(uint32_t flags) {
-  return (flags & CFlag) ? 'C' : 'c';
-}
-
-
-static char FlagV(uint32_t flags) {
-  return (flags & VFlag) ? 'V' : 'v';
-}
-
-
-bool EqualNzcv(uint32_t expected, uint32_t result) {
-  ASSERT((expected & ~NZCVFlag) == 0);
-  ASSERT((result & ~NZCVFlag) == 0);
-  if (result != expected) {
-    printf("Expected: %c%c%c%c\t Found: %c%c%c%c\n",
-        FlagN(expected), FlagZ(expected), FlagC(expected), FlagV(expected),
-        FlagN(result), FlagZ(result), FlagC(result), FlagV(result));
-    return false;
-  }
-
-  return true;
-}
-
-
-bool EqualRegisters(const RegisterDump* a, const RegisterDump* b) {
-  for (unsigned i = 0; i < kNumberOfRegisters; i++) {
-    if (a->xreg(i) != b->xreg(i)) {
-      printf("x%d\t Expected 0x%016" PRIx64 "\t Found 0x%016" PRIx64 "\n",
-             i, a->xreg(i), b->xreg(i));
-      return false;
-    }
-  }
-
-  for (unsigned i = 0; i < kNumberOfFPRegisters; i++) {
-    uint64_t a_bits = a->dreg_bits(i);
-    uint64_t b_bits = b->dreg_bits(i);
-    if (a_bits != b_bits) {
-      printf("d%d\t Expected 0x%016" PRIx64 "\t Found 0x%016" PRIx64 "\n",
-             i, a_bits, b_bits);
-      return false;
-    }
-  }
-
-  return true;
-}
-
-
-RegList PopulateRegisterArray(Register* w, Register* x, Register* r,
-                              int reg_size, int reg_count, RegList allowed) {
-  RegList list = 0;
-  int i = 0;
-  for (unsigned n = 0; (n < kNumberOfRegisters) && (i < reg_count); n++) {
-    if (((1UL << n) & allowed) != 0) {
-      // Only assign allowed registers.
-      if (r) {
-        r[i] = Register::Create(n, reg_size);
-      }
-      if (x) {
-        x[i] = Register::Create(n, kXRegSizeInBits);
-      }
-      if (w) {
-        w[i] = Register::Create(n, kWRegSizeInBits);
-      }
-      list |= (1UL << n);
-      i++;
-    }
-  }
-  // Check that we got enough registers.
-  ASSERT(CountSetBits(list, kNumberOfRegisters) == reg_count);
-
-  return list;
-}
-
-
-RegList PopulateFPRegisterArray(FPRegister* s, FPRegister* d, FPRegister* v,
-                                int reg_size, int reg_count, RegList allowed) {
-  RegList list = 0;
-  int i = 0;
-  for (unsigned n = 0; (n < kNumberOfFPRegisters) && (i < reg_count); n++) {
-    if (((1UL << n) & allowed) != 0) {
-      // Only assigned allowed registers.
-      if (v) {
-        v[i] = FPRegister::Create(n, reg_size);
-      }
-      if (d) {
-        d[i] = FPRegister::Create(n, kDRegSizeInBits);
-      }
-      if (s) {
-        s[i] = FPRegister::Create(n, kSRegSizeInBits);
-      }
-      list |= (1UL << n);
-      i++;
-    }
-  }
-  // Check that we got enough registers.
-  ASSERT(CountSetBits(list, kNumberOfFPRegisters) == reg_count);
-
-  return list;
-}
-
-
-void Clobber(MacroAssembler* masm, RegList reg_list, uint64_t const value) {
-  Register first = NoReg;
-  for (unsigned i = 0; i < kNumberOfRegisters; i++) {
-    if (reg_list & (1UL << i)) {
-      Register xn = Register::Create(i, kXRegSizeInBits);
-      // We should never write into csp here.
-      ASSERT(!xn.Is(csp));
-      if (!xn.IsZero()) {
-        if (!first.IsValid()) {
-          // This is the first register we've hit, so construct the literal.
-          __ Mov(xn, value);
-          first = xn;
-        } else {
-          // We've already loaded the literal, so re-use the value already
-          // loaded into the first register we hit.
-          __ Mov(xn, first);
-        }
-      }
-    }
-  }
-}
-
-
-void ClobberFP(MacroAssembler* masm, RegList reg_list, double const value) {
-  FPRegister first = NoFPReg;
-  for (unsigned i = 0; i < kNumberOfFPRegisters; i++) {
-    if (reg_list & (1UL << i)) {
-      FPRegister dn = FPRegister::Create(i, kDRegSizeInBits);
-      if (!first.IsValid()) {
-        // This is the first register we've hit, so construct the literal.
-        __ Fmov(dn, value);
-        first = dn;
-      } else {
-        // We've already loaded the literal, so re-use the value already loaded
-        // into the first register we hit.
-        __ Fmov(dn, first);
-      }
-    }
-  }
-}
-
-
-void Clobber(MacroAssembler* masm, CPURegList reg_list) {
-  if (reg_list.type() == CPURegister::kRegister) {
-    // This will always clobber X registers.
-    Clobber(masm, reg_list.list());
-  } else if (reg_list.type() == CPURegister::kFPRegister) {
-    // This will always clobber D registers.
-    ClobberFP(masm, reg_list.list());
-  } else {
-    UNREACHABLE();
-  }
-}
-
-
-void RegisterDump::Dump(MacroAssembler* masm) {
-  ASSERT(__ StackPointer().Is(csp));
-
-  // Ensure that we don't unintentionally clobber any registers.
-  RegList old_tmp_list = masm->TmpList()->list();
-  RegList old_fptmp_list = masm->FPTmpList()->list();
-  masm->TmpList()->set_list(0);
-  masm->FPTmpList()->set_list(0);
-
-  // Preserve some temporary registers.
-  Register dump_base = x0;
-  Register dump = x1;
-  Register tmp = x2;
-  Register dump_base_w = dump_base.W();
-  Register dump_w = dump.W();
-  Register tmp_w = tmp.W();
-
-  // Offsets into the dump_ structure.
-  const int x_offset = offsetof(dump_t, x_);
-  const int w_offset = offsetof(dump_t, w_);
-  const int d_offset = offsetof(dump_t, d_);
-  const int s_offset = offsetof(dump_t, s_);
-  const int sp_offset = offsetof(dump_t, sp_);
-  const int wsp_offset = offsetof(dump_t, wsp_);
-  const int flags_offset = offsetof(dump_t, flags_);
-
-  __ Push(xzr, dump_base, dump, tmp);
-
-  // Load the address where we will dump the state.
-  __ Mov(dump_base, reinterpret_cast<uint64_t>(&dump_));
-
-  // Dump the stack pointer (csp and wcsp).
-  // The stack pointer cannot be stored directly; it needs to be moved into
-  // another register first. Also, we pushed four X registers, so we need to
-  // compensate here.
-  __ Add(tmp, csp, 4 * kXRegSize);
-  __ Str(tmp, MemOperand(dump_base, sp_offset));
-  __ Add(tmp_w, wcsp, 4 * kXRegSize);
-  __ Str(tmp_w, MemOperand(dump_base, wsp_offset));
-
-  // Dump X registers.
-  __ Add(dump, dump_base, x_offset);
-  for (unsigned i = 0; i < kNumberOfRegisters; i += 2) {
-    __ Stp(Register::XRegFromCode(i), Register::XRegFromCode(i + 1),
-           MemOperand(dump, i * kXRegSize));
-  }
-
-  // Dump W registers.
-  __ Add(dump, dump_base, w_offset);
-  for (unsigned i = 0; i < kNumberOfRegisters; i += 2) {
-    __ Stp(Register::WRegFromCode(i), Register::WRegFromCode(i + 1),
-           MemOperand(dump, i * kWRegSize));
-  }
-
-  // Dump D registers.
-  __ Add(dump, dump_base, d_offset);
-  for (unsigned i = 0; i < kNumberOfFPRegisters; i += 2) {
-    __ Stp(FPRegister::DRegFromCode(i), FPRegister::DRegFromCode(i + 1),
-           MemOperand(dump, i * kDRegSize));
-  }
-
-  // Dump S registers.
-  __ Add(dump, dump_base, s_offset);
-  for (unsigned i = 0; i < kNumberOfFPRegisters; i += 2) {
-    __ Stp(FPRegister::SRegFromCode(i), FPRegister::SRegFromCode(i + 1),
-           MemOperand(dump, i * kSRegSize));
-  }
-
-  // Dump the flags.
-  __ Mrs(tmp, NZCV);
-  __ Str(tmp, MemOperand(dump_base, flags_offset));
-
-  // To dump the values that were in tmp amd dump, we need a new scratch
-  // register.  We can use any of the already dumped registers since we can
-  // easily restore them.
-  Register dump2_base = x10;
-  Register dump2 = x11;
-  ASSERT(!AreAliased(dump_base, dump, tmp, dump2_base, dump2));
-
-  // Don't lose the dump_ address.
-  __ Mov(dump2_base, dump_base);
-
-  __ Pop(tmp, dump, dump_base, xzr);
-
-  __ Add(dump2, dump2_base, w_offset);
-  __ Str(dump_base_w, MemOperand(dump2, dump_base.code() * kWRegSize));
-  __ Str(dump_w, MemOperand(dump2, dump.code() * kWRegSize));
-  __ Str(tmp_w, MemOperand(dump2, tmp.code() * kWRegSize));
-
-  __ Add(dump2, dump2_base, x_offset);
-  __ Str(dump_base, MemOperand(dump2, dump_base.code() * kXRegSize));
-  __ Str(dump, MemOperand(dump2, dump.code() * kXRegSize));
-  __ Str(tmp, MemOperand(dump2, tmp.code() * kXRegSize));
-
-  // Finally, restore dump2_base and dump2.
-  __ Ldr(dump2_base, MemOperand(dump2, dump2_base.code() * kXRegSize));
-  __ Ldr(dump2, MemOperand(dump2, dump2.code() * kXRegSize));
-
-  // Restore the MacroAssembler's scratch registers.
-  masm->TmpList()->set_list(old_tmp_list);
-  masm->FPTmpList()->set_list(old_fptmp_list);
-
-  completed_ = true;
-}