diff options
Diffstat (limited to 'deps/v8/src/ppc/simulator-ppc.cc')
| -rw-r--r-- | deps/v8/src/ppc/simulator-ppc.cc | 64 |
1 files changed, 58 insertions, 6 deletions
diff --git a/deps/v8/src/ppc/simulator-ppc.cc b/deps/v8/src/ppc/simulator-ppc.cc index 518f8fae75..fa088a2c30 100644 --- a/deps/v8/src/ppc/simulator-ppc.cc +++ b/deps/v8/src/ppc/simulator-ppc.cc @@ -164,7 +164,7 @@ bool PPCDebugger::GetValue(const char* desc, intptr_t* value) { bool PPCDebugger::GetFPDoubleValue(const char* desc, double* value) { - int regnum = FPRegisters::Number(desc); + int regnum = DoubleRegisters::Number(desc); if (regnum != kNoRegister) { *value = sim_->get_double_from_d_register(regnum); return true; @@ -313,7 +313,8 @@ void PPCDebugger::Debug() { if (strcmp(arg1, "all") == 0) { for (int i = 0; i < kNumRegisters; i++) { value = GetRegisterValue(i); - PrintF(" %3s: %08" V8PRIxPTR, Registers::Name(i), value); + PrintF(" %3s: %08" V8PRIxPTR, + Register::from_code(i).ToString(), value); if ((argc == 3 && strcmp(arg2, "fp") == 0) && i < 8 && (i % 2) == 0) { dvalue = GetRegisterPairDoubleValue(i); @@ -332,7 +333,7 @@ void PPCDebugger::Debug() { for (int i = 0; i < kNumRegisters; i++) { value = GetRegisterValue(i); PrintF(" %3s: %08" V8PRIxPTR " %11" V8PRIdPTR, - Registers::Name(i), value, value); + Register::from_code(i).ToString(), value, value); if ((argc == 3 && strcmp(arg2, "fp") == 0) && i < 8 && (i % 2) == 0) { dvalue = GetRegisterPairDoubleValue(i); @@ -351,7 +352,8 @@ void PPCDebugger::Debug() { for (int i = 0; i < DoubleRegister::kNumRegisters; i++) { dvalue = GetFPDoubleRegisterValue(i); uint64_t as_words = bit_cast<uint64_t>(dvalue); - PrintF("%3s: %f 0x%08x %08x\n", FPRegisters::Name(i), dvalue, + PrintF("%3s: %f 0x%08x %08x\n", + DoubleRegister::from_code(i).ToString(), dvalue, static_cast<uint32_t>(as_words >> 32), static_cast<uint32_t>(as_words & 0xffffffff)); } @@ -1847,6 +1849,36 @@ bool Simulator::ExecuteExt2_10bit(Instruction* instr) { } break; } + case POPCNTW: { + int rs = instr->RSValue(); + int ra = instr->RAValue(); + uintptr_t rs_val = get_register(rs); + uintptr_t count = 0; + int n = 0; + uintptr_t bit = 0x80000000; + for (; n < 32; n++) { + if (bit & rs_val) count++; + bit >>= 1; + } + set_register(ra, count); + break; + } +#if V8_TARGET_ARCH_PPC64 + case POPCNTD: { + int rs = instr->RSValue(); + int ra = instr->RAValue(); + uintptr_t rs_val = get_register(rs); + uintptr_t count = 0; + int n = 0; + uintptr_t bit = 0x8000000000000000UL; + for (; n < 64; n++) { + if (bit & rs_val) count++; + bit >>= 1; + } + set_register(ra, count); + break; + } +#endif case SYNC: { // todo - simulate sync break; @@ -2663,6 +2695,24 @@ void Simulator::ExecuteExt2(Instruction* instr) { } +void Simulator::ExecuteExt3(Instruction* instr) { + int opcode = instr->Bits(10, 1) << 1; + switch (opcode) { + case FCFID: { + // fcfids + int frt = instr->RTValue(); + int frb = instr->RBValue(); + double t_val = get_double_from_d_register(frb); + int64_t* frb_val_p = reinterpret_cast<int64_t*>(&t_val); + double frt_val = static_cast<float>(*frb_val_p); + set_d_register_from_double(frt, frt_val); + return; + } + } + UNIMPLEMENTED(); // Not used by V8. +} + + void Simulator::ExecuteExt4(Instruction* instr) { switch (instr->Bits(5, 1) << 1) { case FDIV: { @@ -3578,8 +3628,10 @@ void Simulator::ExecuteGeneric(Instruction* instr) { break; } - case EXT3: - UNIMPLEMENTED(); + case EXT3: { + ExecuteExt3(instr); + break; + } case EXT4: { ExecuteExt4(instr); break; |