| //===--- CSKY.cpp - Implement CSKY target feature support -----------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file implements CSKY TargetInfo objects. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "CSKY.h" |
| |
| using namespace clang; |
| using namespace clang::targets; |
| |
| bool CSKYTargetInfo::isValidCPUName(StringRef Name) const { |
| return llvm::CSKY::parseCPUArch(Name) != llvm::CSKY::ArchKind::INVALID; |
| } |
| |
| bool CSKYTargetInfo::setCPU(const std::string &Name) { |
| llvm::CSKY::ArchKind archKind = llvm::CSKY::parseCPUArch(Name); |
| bool isValid = (archKind != llvm::CSKY::ArchKind::INVALID); |
| |
| if (isValid) { |
| CPU = Name; |
| Arch = archKind; |
| } |
| |
| return isValid; |
| } |
| |
| void CSKYTargetInfo::getTargetDefines(const LangOptions &Opts, |
| MacroBuilder &Builder) const { |
| Builder.defineMacro("__csky__", "2"); |
| Builder.defineMacro("__CSKY__", "2"); |
| Builder.defineMacro("__ckcore__", "2"); |
| Builder.defineMacro("__CKCORE__", "2"); |
| |
| Builder.defineMacro("__CSKYABI__", ABI == "abiv2" ? "2" : "1"); |
| Builder.defineMacro("__cskyabi__", ABI == "abiv2" ? "2" : "1"); |
| |
| StringRef ArchName = "ck810"; |
| StringRef CPUName = "ck810"; |
| |
| if (Arch != llvm::CSKY::ArchKind::INVALID) { |
| ArchName = llvm::CSKY::getArchName(Arch); |
| CPUName = CPU; |
| } |
| |
| Builder.defineMacro("__" + ArchName.upper() + "__"); |
| Builder.defineMacro("__" + ArchName.lower() + "__"); |
| if (ArchName != CPUName) { |
| Builder.defineMacro("__" + CPUName.upper() + "__"); |
| Builder.defineMacro("__" + CPUName.lower() + "__"); |
| } |
| |
| // TODO: Add support for BE if BE was supported later |
| StringRef endian = "__cskyLE__"; |
| |
| Builder.defineMacro(endian); |
| Builder.defineMacro(endian.upper()); |
| Builder.defineMacro(endian.lower()); |
| |
| if (DSPV2) { |
| StringRef dspv2 = "__CSKY_DSPV2__"; |
| Builder.defineMacro(dspv2); |
| Builder.defineMacro(dspv2.lower()); |
| } |
| |
| if (VDSPV2) { |
| StringRef vdspv2 = "__CSKY_VDSPV2__"; |
| Builder.defineMacro(vdspv2); |
| Builder.defineMacro(vdspv2.lower()); |
| |
| if (HardFloat) { |
| StringRef vdspv2_f = "__CSKY_VDSPV2_F__"; |
| Builder.defineMacro(vdspv2_f); |
| Builder.defineMacro(vdspv2_f.lower()); |
| } |
| } |
| if (VDSPV1) { |
| StringRef vdspv1_64 = "__CSKY_VDSP64__"; |
| StringRef vdspv1_128 = "__CSKY_VDSP128__"; |
| |
| Builder.defineMacro(vdspv1_64); |
| Builder.defineMacro(vdspv1_64.lower()); |
| Builder.defineMacro(vdspv1_128); |
| Builder.defineMacro(vdspv1_128.lower()); |
| } |
| if (is3E3R1) { |
| StringRef is3e3r1 = "__CSKY_3E3R1__"; |
| Builder.defineMacro(is3e3r1); |
| Builder.defineMacro(is3e3r1.lower()); |
| } |
| } |
| |
| bool CSKYTargetInfo::hasFeature(StringRef Feature) const { |
| return llvm::StringSwitch<bool>(Feature) |
| .Case("hard-float", HardFloat) |
| .Case("hard-float-abi", HardFloatABI) |
| .Case("fpuv2_sf", FPUV2_SF) |
| .Case("fpuv2_df", FPUV2_DF) |
| .Case("fpuv3_sf", FPUV3_SF) |
| .Case("fpuv3_df", FPUV3_DF) |
| .Case("vdspv2", VDSPV2) |
| .Case("dspv2", DSPV2) |
| .Case("vdspv1", VDSPV1) |
| .Case("3e3r1", is3E3R1) |
| .Default(false); |
| } |
| |
| bool CSKYTargetInfo::handleTargetFeatures(std::vector<std::string> &Features, |
| DiagnosticsEngine &Diags) { |
| for (const auto &Feature : Features) { |
| if (Feature == "+hard-float") |
| HardFloat = true; |
| if (Feature == "+hard-float-abi") |
| HardFloatABI = true; |
| if (Feature == "+fpuv2_sf") |
| FPUV2_SF = true; |
| if (Feature == "+fpuv2_df") |
| FPUV2_DF = true; |
| if (Feature == "+fpuv3_sf") |
| FPUV3_SF = true; |
| if (Feature == "+fpuv3_df") |
| FPUV3_DF = true; |
| if (Feature == "+vdspv2") |
| VDSPV2 = true; |
| if (Feature == "+dspv2") |
| DSPV2 = true; |
| if (Feature == "+vdspv1") |
| VDSPV1 = true; |
| if (Feature == "+3e3r1") |
| is3E3R1 = true; |
| } |
| |
| return true; |
| } |
| |
| ArrayRef<Builtin::Info> CSKYTargetInfo::getTargetBuiltins() const { |
| return ArrayRef<Builtin::Info>(); |
| } |
| |
| ArrayRef<const char *> CSKYTargetInfo::getGCCRegNames() const { |
| static const char *const GCCRegNames[] = { |
| // Integer registers |
| "r0", |
| "r1", |
| "r2", |
| "r3", |
| "r4", |
| "r5", |
| "r6", |
| "r7", |
| "r8", |
| "r9", |
| "r10", |
| "r11", |
| "r12", |
| "r13", |
| "r14", |
| "r15", |
| "r16", |
| "r17", |
| "r18", |
| "r19", |
| "r20", |
| "r21", |
| "r22", |
| "r23", |
| "r24", |
| "r25", |
| "r26", |
| "r27", |
| "r28", |
| "r29", |
| "r30", |
| "r31", |
| |
| // Floating point registers |
| "fr0", |
| "fr1", |
| "fr2", |
| "fr3", |
| "fr4", |
| "fr5", |
| "fr6", |
| "fr7", |
| "fr8", |
| "fr9", |
| "fr10", |
| "fr11", |
| "fr12", |
| "fr13", |
| "fr14", |
| "fr15", |
| "fr16", |
| "fr17", |
| "fr18", |
| "fr19", |
| "fr20", |
| "fr21", |
| "fr22", |
| "fr23", |
| "fr24", |
| "fr25", |
| "fr26", |
| "fr27", |
| "fr28", |
| "fr29", |
| "fr30", |
| "fr31", |
| |
| }; |
| return llvm::ArrayRef(GCCRegNames); |
| } |
| |
| ArrayRef<TargetInfo::GCCRegAlias> CSKYTargetInfo::getGCCRegAliases() const { |
| static const TargetInfo::GCCRegAlias GCCRegAliases[] = { |
| {{"a0"}, "r0"}, |
| {{"a1"}, "r1"}, |
| {{"a2"}, "r2"}, |
| {{"a3"}, "r3"}, |
| {{"l0"}, "r4"}, |
| {{"l1"}, "r5"}, |
| {{"l2"}, "r6"}, |
| {{"l3"}, "r7"}, |
| {{"l4"}, "r8"}, |
| {{"l5"}, "r9"}, |
| {{"l6"}, "r10"}, |
| {{"l7"}, "r11"}, |
| {{"t0"}, "r12"}, |
| {{"t1"}, "r13"}, |
| {{"sp"}, "r14"}, |
| {{"lr"}, "r15"}, |
| {{"l8"}, "r16"}, |
| {{"l9"}, "r17"}, |
| {{"t2"}, "r18"}, |
| {{"t3"}, "r19"}, |
| {{"t4"}, "r20"}, |
| {{"t5"}, "r21"}, |
| {{"t6"}, "r22"}, |
| {{"t7", "fp"}, "r23"}, |
| {{"t8", "top"}, "r24"}, |
| {{"t9", "bsp"}, "r25"}, |
| {{"r26"}, "r26"}, |
| {{"r27"}, "r27"}, |
| {{"gb", "rgb", "rdb"}, "r28"}, |
| {{"tb", "rtb"}, "r29"}, |
| {{"svbr"}, "r30"}, |
| {{"tls"}, "r31"}, |
| |
| {{"vr0"}, "fr0"}, |
| {{"vr1"}, "fr1"}, |
| {{"vr2"}, "fr2"}, |
| {{"vr3"}, "fr3"}, |
| {{"vr4"}, "fr4"}, |
| {{"vr5"}, "fr5"}, |
| {{"vr6"}, "fr6"}, |
| {{"vr7"}, "fr7"}, |
| {{"vr8"}, "fr8"}, |
| {{"vr9"}, "fr9"}, |
| {{"vr10"}, "fr10"}, |
| {{"vr11"}, "fr11"}, |
| {{"vr12"}, "fr12"}, |
| {{"vr13"}, "fr13"}, |
| {{"vr14"}, "fr14"}, |
| {{"vr15"}, "fr15"}, |
| {{"vr16"}, "fr16"}, |
| {{"vr17"}, "fr17"}, |
| {{"vr18"}, "fr18"}, |
| {{"vr19"}, "fr19"}, |
| {{"vr20"}, "fr20"}, |
| {{"vr21"}, "fr21"}, |
| {{"vr22"}, "fr22"}, |
| {{"vr23"}, "fr23"}, |
| {{"vr24"}, "fr24"}, |
| {{"vr25"}, "fr25"}, |
| {{"vr26"}, "fr26"}, |
| {{"vr27"}, "fr27"}, |
| {{"vr28"}, "fr28"}, |
| {{"vr29"}, "fr29"}, |
| {{"vr30"}, "fr30"}, |
| {{"vr31"}, "fr31"}, |
| |
| }; |
| return llvm::ArrayRef(GCCRegAliases); |
| } |
| |
| bool CSKYTargetInfo::validateAsmConstraint( |
| const char *&Name, TargetInfo::ConstraintInfo &Info) const { |
| switch (*Name) { |
| default: |
| return false; |
| case 'a': |
| case 'b': |
| case 'c': |
| case 'y': |
| case 'l': |
| case 'h': |
| case 'w': |
| case 'v': // A floating-point and vector register. |
| case 'z': |
| Info.setAllowsRegister(); |
| return true; |
| } |
| } |
| |
| unsigned CSKYTargetInfo::getMinGlobalAlign(uint64_t Size, |
| bool HasNonWeakDef) const { |
| if (Size >= 32) |
| return 32; |
| return 0; |
| } |
