summaryrefslogtreecommitdiff
path: root/src/compiler/codegen/x86/ArchUtility.cc
diff options
context:
space:
mode:
Diffstat (limited to 'src/compiler/codegen/x86/ArchUtility.cc')
-rw-r--r--src/compiler/codegen/x86/ArchUtility.cc304
1 files changed, 0 insertions, 304 deletions
diff --git a/src/compiler/codegen/x86/ArchUtility.cc b/src/compiler/codegen/x86/ArchUtility.cc
deleted file mode 100644
index 32dd811045..0000000000
--- a/src/compiler/codegen/x86/ArchUtility.cc
+++ /dev/null
@@ -1,304 +0,0 @@
-/*
- * Copyright (C) 2012 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "../../CompilerInternals.h"
-#include "X86LIR.h"
-#include "../Ralloc.h"
-
-#include <string>
-
-namespace art {
-
-RegLocation locCReturn()
-{
- RegLocation res = X86_LOC_C_RETURN;
- return res;
-}
-
-RegLocation locCReturnWide()
-{
- RegLocation res = X86_LOC_C_RETURN_WIDE;
- return res;
-}
-
-RegLocation locCReturnFloat()
-{
- RegLocation res = X86_LOC_C_RETURN_FLOAT;
- return res;
-}
-
-RegLocation locCReturnDouble()
-{
- RegLocation res = X86_LOC_C_RETURN_DOUBLE;
- return res;
-}
-
-// Return a target-dependent special register.
-int targetReg(SpecialTargetRegister reg) {
- int res = INVALID_REG;
- switch (reg) {
- case kSelf: res = rX86_SELF; break;
- case kSuspend: res = rX86_SUSPEND; break;
- case kLr: res = rX86_LR; break;
- case kPc: res = rX86_PC; break;
- case kSp: res = rX86_SP; break;
- case kArg0: res = rX86_ARG0; break;
- case kArg1: res = rX86_ARG1; break;
- case kArg2: res = rX86_ARG2; break;
- case kArg3: res = rX86_ARG3; break;
- case kFArg0: res = rX86_FARG0; break;
- case kFArg1: res = rX86_FARG1; break;
- case kFArg2: res = rX86_FARG2; break;
- case kFArg3: res = rX86_FARG3; break;
- case kRet0: res = rX86_RET0; break;
- case kRet1: res = rX86_RET1; break;
- case kInvokeTgt: res = rX86_INVOKE_TGT; break;
- case kCount: res = rX86_COUNT; break;
- }
- return res;
-}
-
-// Create a double from a pair of singles.
-int s2d(int lowReg, int highReg)
-{
- return X86_S2D(lowReg, highReg);
-}
-
-// Is reg a single or double?
-bool fpReg(int reg)
-{
- return X86_FPREG(reg);
-}
-
-// Is reg a single?
-bool singleReg(int reg)
-{
- return X86_SINGLEREG(reg);
-}
-
-// Is reg a double?
-bool doubleReg(int reg)
-{
- return X86_DOUBLEREG(reg);
-}
-
-// Return mask to strip off fp reg flags and bias.
-uint32_t fpRegMask()
-{
- return X86_FP_REG_MASK;
-}
-
-// True if both regs single, both core or both double.
-bool sameRegType(int reg1, int reg2)
-{
- return (X86_REGTYPE(reg1) == X86_REGTYPE(reg2));
-}
-
-/*
- * Decode the register id.
- */
-u8 getRegMaskCommon(CompilationUnit* cUnit, int reg)
-{
- u8 seed;
- int shift;
- int regId;
-
- regId = reg & 0xf;
- /* Double registers in x86 are just a single FP register */
- seed = 1;
- /* FP register starts at bit position 16 */
- shift = X86_FPREG(reg) ? kX86FPReg0 : 0;
- /* Expand the double register id into single offset */
- shift += regId;
- return (seed << shift);
-}
-
-uint64_t getPCUseDefEncoding()
-{
- /*
- * FIXME: might make sense to use a virtual resource encoding bit for pc. Might be
- * able to clean up some of the x86/Arm_Mips differences
- */
- LOG(FATAL) << "Unexpected call to getPCUseDefEncoding for x86";
- return 0ULL;
-}
-
-void setupTargetResourceMasks(CompilationUnit* cUnit, LIR* lir)
-{
- DCHECK_EQ(cUnit->instructionSet, kX86);
-
- // X86-specific resource map setup here.
- uint64_t flags = EncodingMap[lir->opcode].flags;
-
- if (flags & REG_USE_SP) {
- lir->useMask |= ENCODE_X86_REG_SP;
- }
-
- if (flags & REG_DEF_SP) {
- lir->defMask |= ENCODE_X86_REG_SP;
- }
-
- if (flags & REG_DEFA) {
- oatSetupRegMask(cUnit, &lir->defMask, rAX);
- }
-
- if (flags & REG_DEFD) {
- oatSetupRegMask(cUnit, &lir->defMask, rDX);
- }
- if (flags & REG_USEA) {
- oatSetupRegMask(cUnit, &lir->useMask, rAX);
- }
-
- if (flags & REG_USEC) {
- oatSetupRegMask(cUnit, &lir->useMask, rCX);
- }
-
- if (flags & REG_USED) {
- oatSetupRegMask(cUnit, &lir->useMask, rDX);
- }
-}
-
-/* For dumping instructions */
-static const char* x86RegName[] = {
- "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi",
- "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
-};
-
-static const char* x86CondName[] = {
- "O",
- "NO",
- "B/NAE/C",
- "NB/AE/NC",
- "Z/EQ",
- "NZ/NE",
- "BE/NA",
- "NBE/A",
- "S",
- "NS",
- "P/PE",
- "NP/PO",
- "L/NGE",
- "NL/GE",
- "LE/NG",
- "NLE/G"
-};
-
-/*
- * Interpret a format string and build a string no longer than size
- * See format key in Assemble.cc.
- */
-std::string buildInsnString(const char *fmt, LIR *lir, unsigned char* baseAddr) {
- std::string buf;
- size_t i = 0;
- size_t fmt_len = strlen(fmt);
- while (i < fmt_len) {
- if (fmt[i] != '!') {
- buf += fmt[i];
- i++;
- } else {
- i++;
- DCHECK_LT(i, fmt_len);
- char operand_number_ch = fmt[i];
- i++;
- if (operand_number_ch == '!') {
- buf += "!";
- } else {
- int operand_number = operand_number_ch - '0';
- DCHECK_LT(operand_number, 6); // Expect upto 6 LIR operands.
- DCHECK_LT(i, fmt_len);
- int operand = lir->operands[operand_number];
- switch (fmt[i]) {
- case 'c':
- DCHECK_LT(static_cast<size_t>(operand), sizeof(x86CondName));
- buf += x86CondName[operand];
- break;
- case 'd':
- buf += StringPrintf("%d", operand);
- break;
- case 'p': {
- SwitchTable *tabRec = reinterpret_cast<SwitchTable*>(operand);
- buf += StringPrintf("0x%08x", tabRec->offset);
- break;
- }
- case 'r':
- if (X86_FPREG(operand) || X86_DOUBLEREG(operand)) {
- int fp_reg = operand & X86_FP_REG_MASK;
- buf += StringPrintf("xmm%d", fp_reg);
- } else {
- DCHECK_LT(static_cast<size_t>(operand), sizeof(x86RegName));
- buf += x86RegName[operand];
- }
- break;
- case 't':
- buf += StringPrintf("0x%08x (L%p)",
- reinterpret_cast<uint32_t>(baseAddr)
- + lir->offset + operand, lir->target);
- break;
- default:
- buf += StringPrintf("DecodeError '%c'", fmt[i]);
- break;
- }
- i++;
- }
- }
- }
- return buf;
-}
-
-void oatDumpResourceMask(LIR *lir, u8 mask, const char *prefix)
-{
- char buf[256];
- buf[0] = 0;
- LIR *x86LIR = (LIR *) lir;
-
- if (mask == ENCODE_ALL) {
- strcpy(buf, "all");
- } else {
- char num[8];
- int i;
-
- for (i = 0; i < kX86RegEnd; i++) {
- if (mask & (1ULL << i)) {
- sprintf(num, "%d ", i);
- strcat(buf, num);
- }
- }
-
- if (mask & ENCODE_CCODE) {
- strcat(buf, "cc ");
- }
- /* Memory bits */
- if (x86LIR && (mask & ENCODE_DALVIK_REG)) {
- sprintf(buf + strlen(buf), "dr%d%s", x86LIR->aliasInfo & 0xffff,
- (x86LIR->aliasInfo & 0x80000000) ? "(+1)" : "");
- }
- if (mask & ENCODE_LITERAL) {
- strcat(buf, "lit ");
- }
-
- if (mask & ENCODE_HEAP_REF) {
- strcat(buf, "heap ");
- }
- if (mask & ENCODE_MUST_NOT_ALIAS) {
- strcat(buf, "noalias ");
- }
- }
- if (buf[0]) {
- LOG(INFO) << prefix << ": " << buf;
- }
-}
-
-} // namespace art