target_x86.cc revision 31c2aac7137b69d5622eea09597500731fbee2ef
1efc6369224b036a1fb77849f7ae65b3492c832c0buzbee/* 2efc6369224b036a1fb77849f7ae65b3492c832c0buzbee * Copyright (C) 2012 The Android Open Source Project 3efc6369224b036a1fb77849f7ae65b3492c832c0buzbee * 4efc6369224b036a1fb77849f7ae65b3492c832c0buzbee * Licensed under the Apache License, Version 2.0 (the "License"); 5efc6369224b036a1fb77849f7ae65b3492c832c0buzbee * you may not use this file except in compliance with the License. 6efc6369224b036a1fb77849f7ae65b3492c832c0buzbee * You may obtain a copy of the License at 7efc6369224b036a1fb77849f7ae65b3492c832c0buzbee * 8efc6369224b036a1fb77849f7ae65b3492c832c0buzbee * http://www.apache.org/licenses/LICENSE-2.0 9efc6369224b036a1fb77849f7ae65b3492c832c0buzbee * 10efc6369224b036a1fb77849f7ae65b3492c832c0buzbee * Unless required by applicable law or agreed to in writing, software 11efc6369224b036a1fb77849f7ae65b3492c832c0buzbee * distributed under the License is distributed on an "AS IS" BASIS, 12efc6369224b036a1fb77849f7ae65b3492c832c0buzbee * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13efc6369224b036a1fb77849f7ae65b3492c832c0buzbee * See the License for the specific language governing permissions and 14efc6369224b036a1fb77849f7ae65b3492c832c0buzbee * limitations under the License. 15efc6369224b036a1fb77849f7ae65b3492c832c0buzbee */ 16efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 1702031b185b4653e6c72e21f7a51238b903f6d638buzbee#include "codegen_x86.h" 187940e44f4517de5e2634a7e07d58d0fb26160513Brian Carlstrom#include "dex/compiler_internals.h" 197940e44f4517de5e2634a7e07d58d0fb26160513Brian Carlstrom#include "dex/quick/mir_to_lir-inl.h" 20641ce0371c2f0dc95d26be02d8366124c8b66653Brian Carlstrom#include "x86_lir.h" 21efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 22efc6369224b036a1fb77849f7ae65b3492c832c0buzbee#include <string> 23efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 24efc6369224b036a1fb77849f7ae65b3492c832c0buzbeenamespace art { 25efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 267934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom// FIXME: restore "static" when usage uncovered 27fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee/*static*/ int core_regs[] = { 28efc6369224b036a1fb77849f7ae65b3492c832c0buzbee rAX, rCX, rDX, rBX, rX86_SP, rBP, rSI, rDI 29efc6369224b036a1fb77849f7ae65b3492c832c0buzbee#ifdef TARGET_REX_SUPPORT 30efc6369224b036a1fb77849f7ae65b3492c832c0buzbee r8, r9, r10, r11, r12, r13, r14, 15 31efc6369224b036a1fb77849f7ae65b3492c832c0buzbee#endif 32efc6369224b036a1fb77849f7ae65b3492c832c0buzbee}; 3352a77fc135f0e0df57ee24641c3f5ae415ff7bd6buzbee/*static*/ int ReservedRegs[] = {rX86_SP}; 34fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee/*static*/ int core_temps[] = {rAX, rCX, rDX, rBX}; 3552a77fc135f0e0df57ee24641c3f5ae415ff7bd6buzbee/*static*/ int FpRegs[] = { 36efc6369224b036a1fb77849f7ae65b3492c832c0buzbee fr0, fr1, fr2, fr3, fr4, fr5, fr6, fr7, 37efc6369224b036a1fb77849f7ae65b3492c832c0buzbee#ifdef TARGET_REX_SUPPORT 38efc6369224b036a1fb77849f7ae65b3492c832c0buzbee fr8, fr9, fr10, fr11, fr12, fr13, fr14, fr15 39efc6369224b036a1fb77849f7ae65b3492c832c0buzbee#endif 40efc6369224b036a1fb77849f7ae65b3492c832c0buzbee}; 41fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee/*static*/ int fp_temps[] = { 42efc6369224b036a1fb77849f7ae65b3492c832c0buzbee fr0, fr1, fr2, fr3, fr4, fr5, fr6, fr7, 43efc6369224b036a1fb77849f7ae65b3492c832c0buzbee#ifdef TARGET_REX_SUPPORT 44efc6369224b036a1fb77849f7ae65b3492c832c0buzbee fr8, fr9, fr10, fr11, fr12, fr13, fr14, fr15 45efc6369224b036a1fb77849f7ae65b3492c832c0buzbee#endif 46efc6369224b036a1fb77849f7ae65b3492c832c0buzbee}; 47efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 482ce745c06271d5223d57dbf08117b20d5b60694aBrian CarlstromRegLocation X86Mir2Lir::LocCReturn() { 49efc6369224b036a1fb77849f7ae65b3492c832c0buzbee RegLocation res = X86_LOC_C_RETURN; 50efc6369224b036a1fb77849f7ae65b3492c832c0buzbee return res; 51efc6369224b036a1fb77849f7ae65b3492c832c0buzbee} 52efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 532ce745c06271d5223d57dbf08117b20d5b60694aBrian CarlstromRegLocation X86Mir2Lir::LocCReturnWide() { 54efc6369224b036a1fb77849f7ae65b3492c832c0buzbee RegLocation res = X86_LOC_C_RETURN_WIDE; 55efc6369224b036a1fb77849f7ae65b3492c832c0buzbee return res; 56efc6369224b036a1fb77849f7ae65b3492c832c0buzbee} 57efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 582ce745c06271d5223d57dbf08117b20d5b60694aBrian CarlstromRegLocation X86Mir2Lir::LocCReturnFloat() { 59efc6369224b036a1fb77849f7ae65b3492c832c0buzbee RegLocation res = X86_LOC_C_RETURN_FLOAT; 60efc6369224b036a1fb77849f7ae65b3492c832c0buzbee return res; 61efc6369224b036a1fb77849f7ae65b3492c832c0buzbee} 62efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 632ce745c06271d5223d57dbf08117b20d5b60694aBrian CarlstromRegLocation X86Mir2Lir::LocCReturnDouble() { 64efc6369224b036a1fb77849f7ae65b3492c832c0buzbee RegLocation res = X86_LOC_C_RETURN_DOUBLE; 65efc6369224b036a1fb77849f7ae65b3492c832c0buzbee return res; 66efc6369224b036a1fb77849f7ae65b3492c832c0buzbee} 67efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 68efc6369224b036a1fb77849f7ae65b3492c832c0buzbee// Return a target-dependent special register. 691fd3346740dfb7f47be9922312b68a4227fada96buzbeeint X86Mir2Lir::TargetReg(SpecialTargetRegister reg) { 70efc6369224b036a1fb77849f7ae65b3492c832c0buzbee int res = INVALID_REG; 71efc6369224b036a1fb77849f7ae65b3492c832c0buzbee switch (reg) { 72efc6369224b036a1fb77849f7ae65b3492c832c0buzbee case kSelf: res = rX86_SELF; break; 73efc6369224b036a1fb77849f7ae65b3492c832c0buzbee case kSuspend: res = rX86_SUSPEND; break; 74efc6369224b036a1fb77849f7ae65b3492c832c0buzbee case kLr: res = rX86_LR; break; 75efc6369224b036a1fb77849f7ae65b3492c832c0buzbee case kPc: res = rX86_PC; break; 76efc6369224b036a1fb77849f7ae65b3492c832c0buzbee case kSp: res = rX86_SP; break; 77efc6369224b036a1fb77849f7ae65b3492c832c0buzbee case kArg0: res = rX86_ARG0; break; 78efc6369224b036a1fb77849f7ae65b3492c832c0buzbee case kArg1: res = rX86_ARG1; break; 79efc6369224b036a1fb77849f7ae65b3492c832c0buzbee case kArg2: res = rX86_ARG2; break; 80efc6369224b036a1fb77849f7ae65b3492c832c0buzbee case kArg3: res = rX86_ARG3; break; 81efc6369224b036a1fb77849f7ae65b3492c832c0buzbee case kFArg0: res = rX86_FARG0; break; 82efc6369224b036a1fb77849f7ae65b3492c832c0buzbee case kFArg1: res = rX86_FARG1; break; 83efc6369224b036a1fb77849f7ae65b3492c832c0buzbee case kFArg2: res = rX86_FARG2; break; 84efc6369224b036a1fb77849f7ae65b3492c832c0buzbee case kFArg3: res = rX86_FARG3; break; 85efc6369224b036a1fb77849f7ae65b3492c832c0buzbee case kRet0: res = rX86_RET0; break; 86efc6369224b036a1fb77849f7ae65b3492c832c0buzbee case kRet1: res = rX86_RET1; break; 87efc6369224b036a1fb77849f7ae65b3492c832c0buzbee case kInvokeTgt: res = rX86_INVOKE_TGT; break; 8888474b416eb257078e590bf9bc7957cee604a186Jeff Hao case kHiddenArg: res = rAX; break; 8988474b416eb257078e590bf9bc7957cee604a186Jeff Hao case kHiddenFpArg: res = fr0; break; 90efc6369224b036a1fb77849f7ae65b3492c832c0buzbee case kCount: res = rX86_COUNT; break; 91efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 92efc6369224b036a1fb77849f7ae65b3492c832c0buzbee return res; 93efc6369224b036a1fb77849f7ae65b3492c832c0buzbee} 94efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 95efc6369224b036a1fb77849f7ae65b3492c832c0buzbee// Create a double from a pair of singles. 962ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromint X86Mir2Lir::S2d(int low_reg, int high_reg) { 97fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee return X86_S2D(low_reg, high_reg); 98efc6369224b036a1fb77849f7ae65b3492c832c0buzbee} 99efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 100efc6369224b036a1fb77849f7ae65b3492c832c0buzbee// Return mask to strip off fp reg flags and bias. 1012ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromuint32_t X86Mir2Lir::FpRegMask() { 102efc6369224b036a1fb77849f7ae65b3492c832c0buzbee return X86_FP_REG_MASK; 103efc6369224b036a1fb77849f7ae65b3492c832c0buzbee} 104efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 105efc6369224b036a1fb77849f7ae65b3492c832c0buzbee// True if both regs single, both core or both double. 1062ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstrombool X86Mir2Lir::SameRegType(int reg1, int reg2) { 107efc6369224b036a1fb77849f7ae65b3492c832c0buzbee return (X86_REGTYPE(reg1) == X86_REGTYPE(reg2)); 108efc6369224b036a1fb77849f7ae65b3492c832c0buzbee} 109efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 110efc6369224b036a1fb77849f7ae65b3492c832c0buzbee/* 111efc6369224b036a1fb77849f7ae65b3492c832c0buzbee * Decode the register id. 112efc6369224b036a1fb77849f7ae65b3492c832c0buzbee */ 1132ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromuint64_t X86Mir2Lir::GetRegMaskCommon(int reg) { 114eaf09bc65f9a10d12befcdb239156938c9bceef2buzbee uint64_t seed; 115efc6369224b036a1fb77849f7ae65b3492c832c0buzbee int shift; 116fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee int reg_id; 117efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 118fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee reg_id = reg & 0xf; 119efc6369224b036a1fb77849f7ae65b3492c832c0buzbee /* Double registers in x86 are just a single FP register */ 120efc6369224b036a1fb77849f7ae65b3492c832c0buzbee seed = 1; 121efc6369224b036a1fb77849f7ae65b3492c832c0buzbee /* FP register starts at bit position 16 */ 122efc6369224b036a1fb77849f7ae65b3492c832c0buzbee shift = X86_FPREG(reg) ? kX86FPReg0 : 0; 123efc6369224b036a1fb77849f7ae65b3492c832c0buzbee /* Expand the double register id into single offset */ 124fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee shift += reg_id; 125efc6369224b036a1fb77849f7ae65b3492c832c0buzbee return (seed << shift); 126efc6369224b036a1fb77849f7ae65b3492c832c0buzbee} 127efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 1282ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromuint64_t X86Mir2Lir::GetPCUseDefEncoding() { 129efc6369224b036a1fb77849f7ae65b3492c832c0buzbee /* 130efc6369224b036a1fb77849f7ae65b3492c832c0buzbee * FIXME: might make sense to use a virtual resource encoding bit for pc. Might be 131efc6369224b036a1fb77849f7ae65b3492c832c0buzbee * able to clean up some of the x86/Arm_Mips differences 132efc6369224b036a1fb77849f7ae65b3492c832c0buzbee */ 13352a77fc135f0e0df57ee24641c3f5ae415ff7bd6buzbee LOG(FATAL) << "Unexpected call to GetPCUseDefEncoding for x86"; 134efc6369224b036a1fb77849f7ae65b3492c832c0buzbee return 0ULL; 135efc6369224b036a1fb77849f7ae65b3492c832c0buzbee} 136efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 137b48819db07f9a0992a72173380c24249d7fc648abuzbeevoid X86Mir2Lir::SetupTargetResourceMasks(LIR* lir, uint64_t flags) { 1381fd3346740dfb7f47be9922312b68a4227fada96buzbee DCHECK_EQ(cu_->instruction_set, kX86); 139b48819db07f9a0992a72173380c24249d7fc648abuzbee DCHECK(!lir->flags.use_def_invalid); 140efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 141efc6369224b036a1fb77849f7ae65b3492c832c0buzbee // X86-specific resource map setup here. 142efc6369224b036a1fb77849f7ae65b3492c832c0buzbee if (flags & REG_USE_SP) { 143b48819db07f9a0992a72173380c24249d7fc648abuzbee lir->u.m.use_mask |= ENCODE_X86_REG_SP; 144efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 145efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 146efc6369224b036a1fb77849f7ae65b3492c832c0buzbee if (flags & REG_DEF_SP) { 147b48819db07f9a0992a72173380c24249d7fc648abuzbee lir->u.m.def_mask |= ENCODE_X86_REG_SP; 148efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 149efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 150efc6369224b036a1fb77849f7ae65b3492c832c0buzbee if (flags & REG_DEFA) { 151b48819db07f9a0992a72173380c24249d7fc648abuzbee SetupRegMask(&lir->u.m.def_mask, rAX); 152efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 153efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 154efc6369224b036a1fb77849f7ae65b3492c832c0buzbee if (flags & REG_DEFD) { 155b48819db07f9a0992a72173380c24249d7fc648abuzbee SetupRegMask(&lir->u.m.def_mask, rDX); 156efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 157efc6369224b036a1fb77849f7ae65b3492c832c0buzbee if (flags & REG_USEA) { 158b48819db07f9a0992a72173380c24249d7fc648abuzbee SetupRegMask(&lir->u.m.use_mask, rAX); 159efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 160efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 161efc6369224b036a1fb77849f7ae65b3492c832c0buzbee if (flags & REG_USEC) { 162b48819db07f9a0992a72173380c24249d7fc648abuzbee SetupRegMask(&lir->u.m.use_mask, rCX); 163efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 164efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 165efc6369224b036a1fb77849f7ae65b3492c832c0buzbee if (flags & REG_USED) { 166b48819db07f9a0992a72173380c24249d7fc648abuzbee SetupRegMask(&lir->u.m.use_mask, rDX); 167efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 168efc6369224b036a1fb77849f7ae65b3492c832c0buzbee} 169efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 170efc6369224b036a1fb77849f7ae65b3492c832c0buzbee/* For dumping instructions */ 171efc6369224b036a1fb77849f7ae65b3492c832c0buzbeestatic const char* x86RegName[] = { 172efc6369224b036a1fb77849f7ae65b3492c832c0buzbee "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi", 173efc6369224b036a1fb77849f7ae65b3492c832c0buzbee "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15" 174efc6369224b036a1fb77849f7ae65b3492c832c0buzbee}; 175efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 176efc6369224b036a1fb77849f7ae65b3492c832c0buzbeestatic const char* x86CondName[] = { 177efc6369224b036a1fb77849f7ae65b3492c832c0buzbee "O", 178efc6369224b036a1fb77849f7ae65b3492c832c0buzbee "NO", 179efc6369224b036a1fb77849f7ae65b3492c832c0buzbee "B/NAE/C", 180efc6369224b036a1fb77849f7ae65b3492c832c0buzbee "NB/AE/NC", 181efc6369224b036a1fb77849f7ae65b3492c832c0buzbee "Z/EQ", 182efc6369224b036a1fb77849f7ae65b3492c832c0buzbee "NZ/NE", 183efc6369224b036a1fb77849f7ae65b3492c832c0buzbee "BE/NA", 184efc6369224b036a1fb77849f7ae65b3492c832c0buzbee "NBE/A", 185efc6369224b036a1fb77849f7ae65b3492c832c0buzbee "S", 186efc6369224b036a1fb77849f7ae65b3492c832c0buzbee "NS", 187efc6369224b036a1fb77849f7ae65b3492c832c0buzbee "P/PE", 188efc6369224b036a1fb77849f7ae65b3492c832c0buzbee "NP/PO", 189efc6369224b036a1fb77849f7ae65b3492c832c0buzbee "L/NGE", 190efc6369224b036a1fb77849f7ae65b3492c832c0buzbee "NL/GE", 191efc6369224b036a1fb77849f7ae65b3492c832c0buzbee "LE/NG", 192efc6369224b036a1fb77849f7ae65b3492c832c0buzbee "NLE/G" 193efc6369224b036a1fb77849f7ae65b3492c832c0buzbee}; 194efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 195efc6369224b036a1fb77849f7ae65b3492c832c0buzbee/* 196efc6369224b036a1fb77849f7ae65b3492c832c0buzbee * Interpret a format string and build a string no longer than size 197efc6369224b036a1fb77849f7ae65b3492c832c0buzbee * See format key in Assemble.cc. 198efc6369224b036a1fb77849f7ae65b3492c832c0buzbee */ 1991fd3346740dfb7f47be9922312b68a4227fada96buzbeestd::string X86Mir2Lir::BuildInsnString(const char *fmt, LIR *lir, unsigned char* base_addr) { 200efc6369224b036a1fb77849f7ae65b3492c832c0buzbee std::string buf; 201efc6369224b036a1fb77849f7ae65b3492c832c0buzbee size_t i = 0; 202efc6369224b036a1fb77849f7ae65b3492c832c0buzbee size_t fmt_len = strlen(fmt); 203efc6369224b036a1fb77849f7ae65b3492c832c0buzbee while (i < fmt_len) { 204efc6369224b036a1fb77849f7ae65b3492c832c0buzbee if (fmt[i] != '!') { 205efc6369224b036a1fb77849f7ae65b3492c832c0buzbee buf += fmt[i]; 206efc6369224b036a1fb77849f7ae65b3492c832c0buzbee i++; 207efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } else { 208efc6369224b036a1fb77849f7ae65b3492c832c0buzbee i++; 209efc6369224b036a1fb77849f7ae65b3492c832c0buzbee DCHECK_LT(i, fmt_len); 210efc6369224b036a1fb77849f7ae65b3492c832c0buzbee char operand_number_ch = fmt[i]; 211efc6369224b036a1fb77849f7ae65b3492c832c0buzbee i++; 212efc6369224b036a1fb77849f7ae65b3492c832c0buzbee if (operand_number_ch == '!') { 213efc6369224b036a1fb77849f7ae65b3492c832c0buzbee buf += "!"; 214efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } else { 215efc6369224b036a1fb77849f7ae65b3492c832c0buzbee int operand_number = operand_number_ch - '0'; 216efc6369224b036a1fb77849f7ae65b3492c832c0buzbee DCHECK_LT(operand_number, 6); // Expect upto 6 LIR operands. 217efc6369224b036a1fb77849f7ae65b3492c832c0buzbee DCHECK_LT(i, fmt_len); 218efc6369224b036a1fb77849f7ae65b3492c832c0buzbee int operand = lir->operands[operand_number]; 219efc6369224b036a1fb77849f7ae65b3492c832c0buzbee switch (fmt[i]) { 220efc6369224b036a1fb77849f7ae65b3492c832c0buzbee case 'c': 221efc6369224b036a1fb77849f7ae65b3492c832c0buzbee DCHECK_LT(static_cast<size_t>(operand), sizeof(x86CondName)); 222efc6369224b036a1fb77849f7ae65b3492c832c0buzbee buf += x86CondName[operand]; 223efc6369224b036a1fb77849f7ae65b3492c832c0buzbee break; 224efc6369224b036a1fb77849f7ae65b3492c832c0buzbee case 'd': 225efc6369224b036a1fb77849f7ae65b3492c832c0buzbee buf += StringPrintf("%d", operand); 226efc6369224b036a1fb77849f7ae65b3492c832c0buzbee break; 227efc6369224b036a1fb77849f7ae65b3492c832c0buzbee case 'p': { 2280d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee EmbeddedData *tab_rec = reinterpret_cast<EmbeddedData*>(UnwrapPointer(operand)); 229fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee buf += StringPrintf("0x%08x", tab_rec->offset); 230efc6369224b036a1fb77849f7ae65b3492c832c0buzbee break; 231efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 232efc6369224b036a1fb77849f7ae65b3492c832c0buzbee case 'r': 233efc6369224b036a1fb77849f7ae65b3492c832c0buzbee if (X86_FPREG(operand) || X86_DOUBLEREG(operand)) { 234efc6369224b036a1fb77849f7ae65b3492c832c0buzbee int fp_reg = operand & X86_FP_REG_MASK; 235efc6369224b036a1fb77849f7ae65b3492c832c0buzbee buf += StringPrintf("xmm%d", fp_reg); 236efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } else { 237efc6369224b036a1fb77849f7ae65b3492c832c0buzbee DCHECK_LT(static_cast<size_t>(operand), sizeof(x86RegName)); 238efc6369224b036a1fb77849f7ae65b3492c832c0buzbee buf += x86RegName[operand]; 239efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 240efc6369224b036a1fb77849f7ae65b3492c832c0buzbee break; 241efc6369224b036a1fb77849f7ae65b3492c832c0buzbee case 't': 242efc6369224b036a1fb77849f7ae65b3492c832c0buzbee buf += StringPrintf("0x%08x (L%p)", 2430d82948094d9a198e01aa95f64012bdedd5b6fc9buzbee reinterpret_cast<uintptr_t>(base_addr) 244efc6369224b036a1fb77849f7ae65b3492c832c0buzbee + lir->offset + operand, lir->target); 245efc6369224b036a1fb77849f7ae65b3492c832c0buzbee break; 246efc6369224b036a1fb77849f7ae65b3492c832c0buzbee default: 247efc6369224b036a1fb77849f7ae65b3492c832c0buzbee buf += StringPrintf("DecodeError '%c'", fmt[i]); 248efc6369224b036a1fb77849f7ae65b3492c832c0buzbee break; 249efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 250efc6369224b036a1fb77849f7ae65b3492c832c0buzbee i++; 251efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 252efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 253efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 254efc6369224b036a1fb77849f7ae65b3492c832c0buzbee return buf; 255efc6369224b036a1fb77849f7ae65b3492c832c0buzbee} 256efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 2572ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid X86Mir2Lir::DumpResourceMask(LIR *x86LIR, uint64_t mask, const char *prefix) { 258efc6369224b036a1fb77849f7ae65b3492c832c0buzbee char buf[256]; 259efc6369224b036a1fb77849f7ae65b3492c832c0buzbee buf[0] = 0; 260efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 261efc6369224b036a1fb77849f7ae65b3492c832c0buzbee if (mask == ENCODE_ALL) { 262efc6369224b036a1fb77849f7ae65b3492c832c0buzbee strcpy(buf, "all"); 263efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } else { 264efc6369224b036a1fb77849f7ae65b3492c832c0buzbee char num[8]; 265efc6369224b036a1fb77849f7ae65b3492c832c0buzbee int i; 266efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 267efc6369224b036a1fb77849f7ae65b3492c832c0buzbee for (i = 0; i < kX86RegEnd; i++) { 268efc6369224b036a1fb77849f7ae65b3492c832c0buzbee if (mask & (1ULL << i)) { 269efc6369224b036a1fb77849f7ae65b3492c832c0buzbee sprintf(num, "%d ", i); 270efc6369224b036a1fb77849f7ae65b3492c832c0buzbee strcat(buf, num); 271efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 272efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 273efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 274efc6369224b036a1fb77849f7ae65b3492c832c0buzbee if (mask & ENCODE_CCODE) { 275efc6369224b036a1fb77849f7ae65b3492c832c0buzbee strcat(buf, "cc "); 276efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 277efc6369224b036a1fb77849f7ae65b3492c832c0buzbee /* Memory bits */ 278efc6369224b036a1fb77849f7ae65b3492c832c0buzbee if (x86LIR && (mask & ENCODE_DALVIK_REG)) { 279b48819db07f9a0992a72173380c24249d7fc648abuzbee sprintf(buf + strlen(buf), "dr%d%s", DECODE_ALIAS_INFO_REG(x86LIR->flags.alias_info), 280b48819db07f9a0992a72173380c24249d7fc648abuzbee (DECODE_ALIAS_INFO_WIDE(x86LIR->flags.alias_info)) ? "(+1)" : ""); 281efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 282efc6369224b036a1fb77849f7ae65b3492c832c0buzbee if (mask & ENCODE_LITERAL) { 283efc6369224b036a1fb77849f7ae65b3492c832c0buzbee strcat(buf, "lit "); 284efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 285efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 286efc6369224b036a1fb77849f7ae65b3492c832c0buzbee if (mask & ENCODE_HEAP_REF) { 287efc6369224b036a1fb77849f7ae65b3492c832c0buzbee strcat(buf, "heap "); 288efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 289efc6369224b036a1fb77849f7ae65b3492c832c0buzbee if (mask & ENCODE_MUST_NOT_ALIAS) { 290efc6369224b036a1fb77849f7ae65b3492c832c0buzbee strcat(buf, "noalias "); 291efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 292efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 293efc6369224b036a1fb77849f7ae65b3492c832c0buzbee if (buf[0]) { 294efc6369224b036a1fb77849f7ae65b3492c832c0buzbee LOG(INFO) << prefix << ": " << buf; 295efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 296efc6369224b036a1fb77849f7ae65b3492c832c0buzbee} 29702031b185b4653e6c72e21f7a51238b903f6d638buzbee 2981fd3346740dfb7f47be9922312b68a4227fada96buzbeevoid X86Mir2Lir::AdjustSpillMask() { 299efc6369224b036a1fb77849f7ae65b3492c832c0buzbee // Adjustment for LR spilling, x86 has no LR so nothing to do here 3001fd3346740dfb7f47be9922312b68a4227fada96buzbee core_spill_mask_ |= (1 << rRET); 3011fd3346740dfb7f47be9922312b68a4227fada96buzbee num_core_spills_++; 302efc6369224b036a1fb77849f7ae65b3492c832c0buzbee} 303efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 304efc6369224b036a1fb77849f7ae65b3492c832c0buzbee/* 305efc6369224b036a1fb77849f7ae65b3492c832c0buzbee * Mark a callee-save fp register as promoted. Note that 306efc6369224b036a1fb77849f7ae65b3492c832c0buzbee * vpush/vpop uses contiguous register lists so we must 307efc6369224b036a1fb77849f7ae65b3492c832c0buzbee * include any holes in the mask. Associate holes with 308efc6369224b036a1fb77849f7ae65b3492c832c0buzbee * Dalvik register INVALID_VREG (0xFFFFU). 309efc6369224b036a1fb77849f7ae65b3492c832c0buzbee */ 3102ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid X86Mir2Lir::MarkPreservedSingle(int v_reg, int reg) { 31152a77fc135f0e0df57ee24641c3f5ae415ff7bd6buzbee UNIMPLEMENTED(WARNING) << "MarkPreservedSingle"; 312efc6369224b036a1fb77849f7ae65b3492c832c0buzbee#if 0 313efc6369224b036a1fb77849f7ae65b3492c832c0buzbee LOG(FATAL) << "No support yet for promoted FP regs"; 314efc6369224b036a1fb77849f7ae65b3492c832c0buzbee#endif 315efc6369224b036a1fb77849f7ae65b3492c832c0buzbee} 316efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 3172ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid X86Mir2Lir::FlushRegWide(int reg1, int reg2) { 3181fd3346740dfb7f47be9922312b68a4227fada96buzbee RegisterInfo* info1 = GetRegInfo(reg1); 3191fd3346740dfb7f47be9922312b68a4227fada96buzbee RegisterInfo* info2 = GetRegInfo(reg2); 320efc6369224b036a1fb77849f7ae65b3492c832c0buzbee DCHECK(info1 && info2 && info1->pair && info2->pair && 321efc6369224b036a1fb77849f7ae65b3492c832c0buzbee (info1->partner == info2->reg) && 322efc6369224b036a1fb77849f7ae65b3492c832c0buzbee (info2->partner == info1->reg)); 323efc6369224b036a1fb77849f7ae65b3492c832c0buzbee if ((info1->live && info1->dirty) || (info2->live && info2->dirty)) { 324fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (!(info1->is_temp && info2->is_temp)) { 325fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee /* Should not happen. If it does, there's a problem in eval_loc */ 326efc6369224b036a1fb77849f7ae65b3492c832c0buzbee LOG(FATAL) << "Long half-temp, half-promoted"; 327efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 328efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 329efc6369224b036a1fb77849f7ae65b3492c832c0buzbee info1->dirty = false; 330efc6369224b036a1fb77849f7ae65b3492c832c0buzbee info2->dirty = false; 3311fd3346740dfb7f47be9922312b68a4227fada96buzbee if (mir_graph_->SRegToVReg(info2->s_reg) < mir_graph_->SRegToVReg(info1->s_reg)) 332efc6369224b036a1fb77849f7ae65b3492c832c0buzbee info1 = info2; 3331fd3346740dfb7f47be9922312b68a4227fada96buzbee int v_reg = mir_graph_->SRegToVReg(info1->s_reg); 3341fd3346740dfb7f47be9922312b68a4227fada96buzbee StoreBaseDispWide(rX86_SP, VRegOffset(v_reg), info1->reg, info1->partner); 335efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 336efc6369224b036a1fb77849f7ae65b3492c832c0buzbee} 337efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 3382ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid X86Mir2Lir::FlushReg(int reg) { 3391fd3346740dfb7f47be9922312b68a4227fada96buzbee RegisterInfo* info = GetRegInfo(reg); 340efc6369224b036a1fb77849f7ae65b3492c832c0buzbee if (info->live && info->dirty) { 341efc6369224b036a1fb77849f7ae65b3492c832c0buzbee info->dirty = false; 3421fd3346740dfb7f47be9922312b68a4227fada96buzbee int v_reg = mir_graph_->SRegToVReg(info->s_reg); 3431fd3346740dfb7f47be9922312b68a4227fada96buzbee StoreBaseDisp(rX86_SP, VRegOffset(v_reg), reg, kWord); 344efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 345efc6369224b036a1fb77849f7ae65b3492c832c0buzbee} 346efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 347efc6369224b036a1fb77849f7ae65b3492c832c0buzbee/* Give access to the target-dependent FP register encoding to common code */ 3481fd3346740dfb7f47be9922312b68a4227fada96buzbeebool X86Mir2Lir::IsFpReg(int reg) { 349efc6369224b036a1fb77849f7ae65b3492c832c0buzbee return X86_FPREG(reg); 350efc6369224b036a1fb77849f7ae65b3492c832c0buzbee} 351efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 352efc6369224b036a1fb77849f7ae65b3492c832c0buzbee/* Clobber all regs that might be used by an external C call */ 35331c2aac7137b69d5622eea09597500731fbee2efVladimir Markovoid X86Mir2Lir::ClobberCallerSave() { 3541fd3346740dfb7f47be9922312b68a4227fada96buzbee Clobber(rAX); 3551fd3346740dfb7f47be9922312b68a4227fada96buzbee Clobber(rCX); 3561fd3346740dfb7f47be9922312b68a4227fada96buzbee Clobber(rDX); 35731c2aac7137b69d5622eea09597500731fbee2efVladimir Marko Clobber(rBX); 358efc6369224b036a1fb77849f7ae65b3492c832c0buzbee} 359efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 3601fd3346740dfb7f47be9922312b68a4227fada96buzbeeRegLocation X86Mir2Lir::GetReturnWideAlt() { 36152a77fc135f0e0df57ee24641c3f5ae415ff7bd6buzbee RegLocation res = LocCReturnWide(); 362fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee CHECK(res.low_reg == rAX); 363fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee CHECK(res.high_reg == rDX); 3641fd3346740dfb7f47be9922312b68a4227fada96buzbee Clobber(rAX); 3651fd3346740dfb7f47be9922312b68a4227fada96buzbee Clobber(rDX); 3661fd3346740dfb7f47be9922312b68a4227fada96buzbee MarkInUse(rAX); 3671fd3346740dfb7f47be9922312b68a4227fada96buzbee MarkInUse(rDX); 3681fd3346740dfb7f47be9922312b68a4227fada96buzbee MarkPair(res.low_reg, res.high_reg); 369efc6369224b036a1fb77849f7ae65b3492c832c0buzbee return res; 370efc6369224b036a1fb77849f7ae65b3492c832c0buzbee} 371efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 3722ce745c06271d5223d57dbf08117b20d5b60694aBrian CarlstromRegLocation X86Mir2Lir::GetReturnAlt() { 37352a77fc135f0e0df57ee24641c3f5ae415ff7bd6buzbee RegLocation res = LocCReturn(); 374fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee res.low_reg = rDX; 3751fd3346740dfb7f47be9922312b68a4227fada96buzbee Clobber(rDX); 3761fd3346740dfb7f47be9922312b68a4227fada96buzbee MarkInUse(rDX); 377efc6369224b036a1fb77849f7ae65b3492c832c0buzbee return res; 378efc6369224b036a1fb77849f7ae65b3492c832c0buzbee} 379efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 380efc6369224b036a1fb77849f7ae65b3492c832c0buzbee/* To be used when explicitly managing register use */ 3812ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid X86Mir2Lir::LockCallTemps() { 3821fd3346740dfb7f47be9922312b68a4227fada96buzbee LockTemp(rX86_ARG0); 3831fd3346740dfb7f47be9922312b68a4227fada96buzbee LockTemp(rX86_ARG1); 3841fd3346740dfb7f47be9922312b68a4227fada96buzbee LockTemp(rX86_ARG2); 3851fd3346740dfb7f47be9922312b68a4227fada96buzbee LockTemp(rX86_ARG3); 386efc6369224b036a1fb77849f7ae65b3492c832c0buzbee} 387efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 388efc6369224b036a1fb77849f7ae65b3492c832c0buzbee/* To be used when explicitly managing register use */ 3892ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid X86Mir2Lir::FreeCallTemps() { 3901fd3346740dfb7f47be9922312b68a4227fada96buzbee FreeTemp(rX86_ARG0); 3911fd3346740dfb7f47be9922312b68a4227fada96buzbee FreeTemp(rX86_ARG1); 3921fd3346740dfb7f47be9922312b68a4227fada96buzbee FreeTemp(rX86_ARG2); 3931fd3346740dfb7f47be9922312b68a4227fada96buzbee FreeTemp(rX86_ARG3); 394efc6369224b036a1fb77849f7ae65b3492c832c0buzbee} 395efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 3962ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromvoid X86Mir2Lir::GenMemBarrier(MemBarrierKind barrier_kind) { 397efc6369224b036a1fb77849f7ae65b3492c832c0buzbee#if ANDROID_SMP != 0 398efc6369224b036a1fb77849f7ae65b3492c832c0buzbee // TODO: optimize fences 3991fd3346740dfb7f47be9922312b68a4227fada96buzbee NewLIR0(kX86Mfence); 400efc6369224b036a1fb77849f7ae65b3492c832c0buzbee#endif 401efc6369224b036a1fb77849f7ae65b3492c832c0buzbee} 402efc6369224b036a1fb77849f7ae65b3492c832c0buzbee/* 403efc6369224b036a1fb77849f7ae65b3492c832c0buzbee * Alloc a pair of core registers, or a double. Low reg in low byte, 404efc6369224b036a1fb77849f7ae65b3492c832c0buzbee * high reg in next byte. 405efc6369224b036a1fb77849f7ae65b3492c832c0buzbee */ 4061fd3346740dfb7f47be9922312b68a4227fada96buzbeeint X86Mir2Lir::AllocTypedTempPair(bool fp_hint, 4072ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstrom int reg_class) { 408fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee int high_reg; 409fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee int low_reg; 410efc6369224b036a1fb77849f7ae65b3492c832c0buzbee int res = 0; 411efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 412fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (((reg_class == kAnyReg) && fp_hint) || (reg_class == kFPReg)) { 4131fd3346740dfb7f47be9922312b68a4227fada96buzbee low_reg = AllocTempDouble(); 414fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee high_reg = low_reg + 1; 415fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee res = (low_reg & 0xff) | ((high_reg & 0xff) << 8); 416efc6369224b036a1fb77849f7ae65b3492c832c0buzbee return res; 417efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 418efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 4191fd3346740dfb7f47be9922312b68a4227fada96buzbee low_reg = AllocTemp(); 4201fd3346740dfb7f47be9922312b68a4227fada96buzbee high_reg = AllocTemp(); 421fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee res = (low_reg & 0xff) | ((high_reg & 0xff) << 8); 422efc6369224b036a1fb77849f7ae65b3492c832c0buzbee return res; 423efc6369224b036a1fb77849f7ae65b3492c832c0buzbee} 424efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 4251fd3346740dfb7f47be9922312b68a4227fada96buzbeeint X86Mir2Lir::AllocTypedTemp(bool fp_hint, int reg_class) { 426fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if (((reg_class == kAnyReg) && fp_hint) || (reg_class == kFPReg)) { 4271fd3346740dfb7f47be9922312b68a4227fada96buzbee return AllocTempFloat(); 428efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 4291fd3346740dfb7f47be9922312b68a4227fada96buzbee return AllocTemp(); 430efc6369224b036a1fb77849f7ae65b3492c832c0buzbee} 431efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 4321fd3346740dfb7f47be9922312b68a4227fada96buzbeevoid X86Mir2Lir::CompilerInitializeRegAlloc() { 433fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee int num_regs = sizeof(core_regs)/sizeof(*core_regs); 434fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee int num_reserved = sizeof(ReservedRegs)/sizeof(*ReservedRegs); 435fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee int num_temps = sizeof(core_temps)/sizeof(*core_temps); 436fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee int num_fp_regs = sizeof(FpRegs)/sizeof(*FpRegs); 437fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee int num_fp_temps = sizeof(fp_temps)/sizeof(*fp_temps); 438f6c4b3ba3825de1dbb3e747a68b809c6cc8eb4dbMathieu Chartier reg_pool_ = static_cast<RegisterPool*>(arena_->Alloc(sizeof(*reg_pool_), 439f6c4b3ba3825de1dbb3e747a68b809c6cc8eb4dbMathieu Chartier ArenaAllocator::kAllocRegAlloc)); 4401fd3346740dfb7f47be9922312b68a4227fada96buzbee reg_pool_->num_core_regs = num_regs; 4411fd3346740dfb7f47be9922312b68a4227fada96buzbee reg_pool_->core_regs = 442f6c4b3ba3825de1dbb3e747a68b809c6cc8eb4dbMathieu Chartier static_cast<RegisterInfo*>(arena_->Alloc(num_regs * sizeof(*reg_pool_->core_regs), 443f6c4b3ba3825de1dbb3e747a68b809c6cc8eb4dbMathieu Chartier ArenaAllocator::kAllocRegAlloc)); 4441fd3346740dfb7f47be9922312b68a4227fada96buzbee reg_pool_->num_fp_regs = num_fp_regs; 4451fd3346740dfb7f47be9922312b68a4227fada96buzbee reg_pool_->FPRegs = 446f6c4b3ba3825de1dbb3e747a68b809c6cc8eb4dbMathieu Chartier static_cast<RegisterInfo *>(arena_->Alloc(num_fp_regs * sizeof(*reg_pool_->FPRegs), 447f6c4b3ba3825de1dbb3e747a68b809c6cc8eb4dbMathieu Chartier ArenaAllocator::kAllocRegAlloc)); 4481fd3346740dfb7f47be9922312b68a4227fada96buzbee CompilerInitPool(reg_pool_->core_regs, core_regs, reg_pool_->num_core_regs); 4491fd3346740dfb7f47be9922312b68a4227fada96buzbee CompilerInitPool(reg_pool_->FPRegs, FpRegs, reg_pool_->num_fp_regs); 450efc6369224b036a1fb77849f7ae65b3492c832c0buzbee // Keep special registers from being allocated 451fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee for (int i = 0; i < num_reserved; i++) { 4521fd3346740dfb7f47be9922312b68a4227fada96buzbee MarkInUse(ReservedRegs[i]); 453efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 454efc6369224b036a1fb77849f7ae65b3492c832c0buzbee // Mark temp regs - all others not in use can be used for promotion 455fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee for (int i = 0; i < num_temps; i++) { 4561fd3346740dfb7f47be9922312b68a4227fada96buzbee MarkTemp(core_temps[i]); 457efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 458fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee for (int i = 0; i < num_fp_temps; i++) { 4591fd3346740dfb7f47be9922312b68a4227fada96buzbee MarkTemp(fp_temps[i]); 460efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 461efc6369224b036a1fb77849f7ae65b3492c832c0buzbee} 462efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 4631fd3346740dfb7f47be9922312b68a4227fada96buzbeevoid X86Mir2Lir::FreeRegLocTemps(RegLocation rl_keep, 4642ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstrom RegLocation rl_free) { 465fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee if ((rl_free.low_reg != rl_keep.low_reg) && (rl_free.low_reg != rl_keep.high_reg) && 466fa57c47f1b72916371a9c2d5c1389219bce655b4buzbee (rl_free.high_reg != rl_keep.low_reg) && (rl_free.high_reg != rl_keep.high_reg)) { 467efc6369224b036a1fb77849f7ae65b3492c832c0buzbee // No overlap, free both 4681fd3346740dfb7f47be9922312b68a4227fada96buzbee FreeTemp(rl_free.low_reg); 4691fd3346740dfb7f47be9922312b68a4227fada96buzbee FreeTemp(rl_free.high_reg); 470efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 471efc6369224b036a1fb77849f7ae65b3492c832c0buzbee} 472efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 4731fd3346740dfb7f47be9922312b68a4227fada96buzbeevoid X86Mir2Lir::SpillCoreRegs() { 4741fd3346740dfb7f47be9922312b68a4227fada96buzbee if (num_core_spills_ == 0) { 475efc6369224b036a1fb77849f7ae65b3492c832c0buzbee return; 476efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 477efc6369224b036a1fb77849f7ae65b3492c832c0buzbee // Spill mask not including fake return address register 4781fd3346740dfb7f47be9922312b68a4227fada96buzbee uint32_t mask = core_spill_mask_ & ~(1 << rRET); 4791fd3346740dfb7f47be9922312b68a4227fada96buzbee int offset = frame_size_ - (4 * num_core_spills_); 480efc6369224b036a1fb77849f7ae65b3492c832c0buzbee for (int reg = 0; mask; mask >>= 1, reg++) { 481efc6369224b036a1fb77849f7ae65b3492c832c0buzbee if (mask & 0x1) { 4821fd3346740dfb7f47be9922312b68a4227fada96buzbee StoreWordDisp(rX86_SP, offset, reg); 483efc6369224b036a1fb77849f7ae65b3492c832c0buzbee offset += 4; 484efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 485efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 486efc6369224b036a1fb77849f7ae65b3492c832c0buzbee} 487efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 4881fd3346740dfb7f47be9922312b68a4227fada96buzbeevoid X86Mir2Lir::UnSpillCoreRegs() { 4891fd3346740dfb7f47be9922312b68a4227fada96buzbee if (num_core_spills_ == 0) { 490efc6369224b036a1fb77849f7ae65b3492c832c0buzbee return; 491efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 492efc6369224b036a1fb77849f7ae65b3492c832c0buzbee // Spill mask not including fake return address register 4931fd3346740dfb7f47be9922312b68a4227fada96buzbee uint32_t mask = core_spill_mask_ & ~(1 << rRET); 4941fd3346740dfb7f47be9922312b68a4227fada96buzbee int offset = frame_size_ - (4 * num_core_spills_); 495efc6369224b036a1fb77849f7ae65b3492c832c0buzbee for (int reg = 0; mask; mask >>= 1, reg++) { 496efc6369224b036a1fb77849f7ae65b3492c832c0buzbee if (mask & 0x1) { 4971fd3346740dfb7f47be9922312b68a4227fada96buzbee LoadWordDisp(rX86_SP, offset, reg); 498efc6369224b036a1fb77849f7ae65b3492c832c0buzbee offset += 4; 499efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 500efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 501efc6369224b036a1fb77849f7ae65b3492c832c0buzbee} 502efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 5032ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstrombool X86Mir2Lir::IsUnconditionalBranch(LIR* lir) { 504cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee return (lir->opcode == kX86Jmp8 || lir->opcode == kX86Jmp32); 505efc6369224b036a1fb77849f7ae65b3492c832c0buzbee} 506efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 507862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbeeX86Mir2Lir::X86Mir2Lir(CompilationUnit* cu, MIRGraph* mir_graph, ArenaAllocator* arena) 508862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee : Mir2Lir(cu, mir_graph, arena) { 50902031b185b4653e6c72e21f7a51238b903f6d638buzbee for (int i = 0; i < kX86Last; i++) { 5101fd3346740dfb7f47be9922312b68a4227fada96buzbee if (X86Mir2Lir::EncodingMap[i].opcode != i) { 5111fd3346740dfb7f47be9922312b68a4227fada96buzbee LOG(FATAL) << "Encoding order for " << X86Mir2Lir::EncodingMap[i].name 512efc6369224b036a1fb77849f7ae65b3492c832c0buzbee << " is wrong: expecting " << i << ", seeing " 5131fd3346740dfb7f47be9922312b68a4227fada96buzbee << static_cast<int>(X86Mir2Lir::EncodingMap[i].opcode); 514efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 515efc6369224b036a1fb77849f7ae65b3492c832c0buzbee } 5161fd3346740dfb7f47be9922312b68a4227fada96buzbee} 5171fd3346740dfb7f47be9922312b68a4227fada96buzbee 518862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbeeMir2Lir* X86CodeGenerator(CompilationUnit* const cu, MIRGraph* const mir_graph, 519862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee ArenaAllocator* const arena) { 520862a76027076c341c26aa6cd4a30a7cdd6dc2143buzbee return new X86Mir2Lir(cu, mir_graph, arena); 521efc6369224b036a1fb77849f7ae65b3492c832c0buzbee} 522efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 523efc6369224b036a1fb77849f7ae65b3492c832c0buzbee// Not used in x86 524468532ea115657709bc32ee498e701a4c71762d4Ian Rogersint X86Mir2Lir::LoadHelper(ThreadOffset offset) { 52552a77fc135f0e0df57ee24641c3f5ae415ff7bd6buzbee LOG(FATAL) << "Unexpected use of LoadHelper in x86"; 526efc6369224b036a1fb77849f7ae65b3492c832c0buzbee return INVALID_REG; 527efc6369224b036a1fb77849f7ae65b3492c832c0buzbee} 528efc6369224b036a1fb77849f7ae65b3492c832c0buzbee 5292ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromuint64_t X86Mir2Lir::GetTargetInstFlags(int opcode) { 530409fe94ad529d9334587be80b9f6a3d166805508buzbee DCHECK(!IsPseudoLirOp(opcode)); 5311fd3346740dfb7f47be9922312b68a4227fada96buzbee return X86Mir2Lir::EncodingMap[opcode].flags; 5321bc37c60da71c923ea9a2e99d31ba1b3d76d79a8buzbee} 5331bc37c60da71c923ea9a2e99d31ba1b3d76d79a8buzbee 5342ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromconst char* X86Mir2Lir::GetTargetInstName(int opcode) { 535409fe94ad529d9334587be80b9f6a3d166805508buzbee DCHECK(!IsPseudoLirOp(opcode)); 5361fd3346740dfb7f47be9922312b68a4227fada96buzbee return X86Mir2Lir::EncodingMap[opcode].name; 5371bc37c60da71c923ea9a2e99d31ba1b3d76d79a8buzbee} 5381bc37c60da71c923ea9a2e99d31ba1b3d76d79a8buzbee 5392ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstromconst char* X86Mir2Lir::GetTargetInstFmt(int opcode) { 540409fe94ad529d9334587be80b9f6a3d166805508buzbee DCHECK(!IsPseudoLirOp(opcode)); 5411fd3346740dfb7f47be9922312b68a4227fada96buzbee return X86Mir2Lir::EncodingMap[opcode].fmt; 5421bc37c60da71c923ea9a2e99d31ba1b3d76d79a8buzbee} 5431bc37c60da71c923ea9a2e99d31ba1b3d76d79a8buzbee 5447934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom} // namespace art 545