diff options
Diffstat (limited to 'src/compiler/codegen/x86/ArchUtility.cc')
| -rw-r--r-- | src/compiler/codegen/x86/ArchUtility.cc | 91 |
1 files changed, 88 insertions, 3 deletions
diff --git a/src/compiler/codegen/x86/ArchUtility.cc b/src/compiler/codegen/x86/ArchUtility.cc index 953ce4a899..32dd811045 100644 --- a/src/compiler/codegen/x86/ArchUtility.cc +++ b/src/compiler/codegen/x86/ArchUtility.cc @@ -22,6 +22,91 @@ 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. */ @@ -35,7 +120,7 @@ u8 getRegMaskCommon(CompilationUnit* cUnit, int reg) /* Double registers in x86 are just a single FP register */ seed = 1; /* FP register starts at bit position 16 */ - shift = FPREG(reg) ? kX86FPReg0 : 0; + shift = X86_FPREG(reg) ? kX86FPReg0 : 0; /* Expand the double register id into single offset */ shift += regId; return (seed << shift); @@ -149,8 +234,8 @@ std::string buildInsnString(const char *fmt, LIR *lir, unsigned char* baseAddr) break; } case 'r': - if (FPREG(operand) || DOUBLEREG(operand)) { - int fp_reg = operand & FP_REG_MASK; + 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)); |