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-rw-r--r--clang/lib/Basic/Targets.cpp136
1 files changed, 87 insertions, 49 deletions
diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp
index 76cbb5e41aa..134b84b8dc7 100644
--- a/clang/lib/Basic/Targets.cpp
+++ b/clang/lib/Basic/Targets.cpp
@@ -1925,7 +1925,7 @@ static const char *const DataLayoutStringSI =
"-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128"
"-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64";
-class AMDGPUTargetInfo : public TargetInfo {
+class AMDGPUTargetInfo final : public TargetInfo {
static const Builtin::Info BuiltinInfo[];
static const char * const GCCRegNames[];
@@ -1949,22 +1949,26 @@ class AMDGPUTargetInfo : public TargetInfo {
bool hasFMAF:1;
bool hasLDEXPF:1;
+ static bool isAMDGCN(const llvm::Triple &TT) {
+ return TT.getArch() == llvm::Triple::amdgcn;
+ }
+
public:
AMDGPUTargetInfo(const llvm::Triple &Triple, const TargetOptions &)
- : TargetInfo(Triple) {
- if (Triple.getArch() == llvm::Triple::amdgcn) {
- resetDataLayout(DataLayoutStringSI);
- GPU = GK_SOUTHERN_ISLANDS;
+ : TargetInfo(Triple) ,
+ GPU(isAMDGCN(Triple) ? GK_SOUTHERN_ISLANDS : GK_R600),
+ hasFP64(false),
+ hasFMAF(false),
+ hasLDEXPF(false) {
+ if (getTriple().getArch() == llvm::Triple::amdgcn) {
hasFP64 = true;
hasFMAF = true;
hasLDEXPF = true;
- } else {
- resetDataLayout(DataLayoutStringR600);
- GPU = GK_R600;
- hasFP64 = false;
- hasFMAF = false;
- hasLDEXPF = false;
}
+
+ resetDataLayout(getTriple().getArch() == llvm::Triple::amdgcn ?
+ DataLayoutStringSI : DataLayoutStringR600);
+
AddrSpaceMap = &AMDGPUAddrSpaceMap;
UseAddrSpaceMapMangling = true;
}
@@ -2005,6 +2009,10 @@ public:
return false;
}
+ bool initFeatureMap(llvm::StringMap<bool> &Features,
+ DiagnosticsEngine &Diags, StringRef CPU,
+ const std::vector<std::string> &FeatureVec) const override;
+
ArrayRef<Builtin::Info> getTargetBuiltins() const override {
return llvm::makeArrayRef(BuiltinInfo,
clang::AMDGPU::LastTSBuiltin - Builtin::FirstTSBuiltin);
@@ -2027,8 +2035,8 @@ public:
return TargetInfo::CharPtrBuiltinVaList;
}
- bool setCPU(const std::string &Name) override {
- GPU = llvm::StringSwitch<GPUKind>(Name)
+ static GPUKind parseR600Name(StringRef Name) {
+ return llvm::StringSwitch<GPUKind>(Name)
.Case("r600" , GK_R600)
.Case("rv610", GK_R600)
.Case("rv620", GK_R600)
@@ -2054,6 +2062,11 @@ public:
.Case("caicos", GK_NORTHERN_ISLANDS)
.Case("cayman", GK_CAYMAN)
.Case("aruba", GK_CAYMAN)
+ .Default(GK_NONE);
+ }
+
+ static GPUKind parseAMDGCNName(StringRef Name) {
+ return llvm::StringSwitch<GPUKind>(Name)
.Case("tahiti", GK_SOUTHERN_ISLANDS)
.Case("pitcairn", GK_SOUTHERN_ISLANDS)
.Case("verde", GK_SOUTHERN_ISLANDS)
@@ -2070,43 +2083,15 @@ public:
.Case("fiji", GK_VOLCANIC_ISLANDS)
.Case("stoney", GK_VOLCANIC_ISLANDS)
.Default(GK_NONE);
+ }
- if (GPU == GK_NONE) {
- return false;
- }
-
- // Set the correct data layout
- switch (GPU) {
- case GK_NONE:
- case GK_R600:
- case GK_R700:
- case GK_EVERGREEN:
- case GK_NORTHERN_ISLANDS:
- resetDataLayout(DataLayoutStringR600);
- hasFP64 = false;
- hasFMAF = false;
- hasLDEXPF = false;
- break;
- case GK_R600_DOUBLE_OPS:
- case GK_R700_DOUBLE_OPS:
- case GK_EVERGREEN_DOUBLE_OPS:
- case GK_CAYMAN:
- resetDataLayout(DataLayoutStringR600);
- hasFP64 = true;
- hasFMAF = true;
- hasLDEXPF = false;
- break;
- case GK_SOUTHERN_ISLANDS:
- case GK_SEA_ISLANDS:
- case GK_VOLCANIC_ISLANDS:
- resetDataLayout(DataLayoutStringSI);
- hasFP64 = true;
- hasFMAF = true;
- hasLDEXPF = true;
- break;
- }
+ bool setCPU(const std::string &Name) override {
+ if (getTriple().getArch() == llvm::Triple::amdgcn)
+ GPU = parseAMDGCNName(Name);
+ else
+ GPU = parseR600Name(Name);
- return true;
+ return GPU != GK_NONE;
}
void setSupportedOpenCLOpts() override {
@@ -2138,6 +2123,8 @@ public:
const Builtin::Info AMDGPUTargetInfo::BuiltinInfo[] = {
#define BUILTIN(ID, TYPE, ATTRS) \
{ #ID, TYPE, ATTRS, nullptr, ALL_LANGUAGES, nullptr },
+#define TARGET_BUILTIN(ID, TYPE, ATTRS, FEATURE) \
+ { #ID, TYPE, ATTRS, nullptr, ALL_LANGUAGES, FEATURE },
#include "clang/Basic/BuiltinsAMDGPU.def"
};
const char * const AMDGPUTargetInfo::GCCRegNames[] = {
@@ -2197,6 +2184,57 @@ ArrayRef<const char *> AMDGPUTargetInfo::getGCCRegNames() const {
return llvm::makeArrayRef(GCCRegNames);
}
+bool AMDGPUTargetInfo::initFeatureMap(
+ llvm::StringMap<bool> &Features,
+ DiagnosticsEngine &Diags, StringRef CPU,
+ const std::vector<std::string> &FeatureVec) const {
+
+ // XXX - What does the member GPU mean if device name string passed here?
+ if (getTriple().getArch() == llvm::Triple::amdgcn) {
+ if (CPU.empty())
+ CPU = "tahiti";
+
+ switch (parseAMDGCNName(CPU)) {
+ case GK_SOUTHERN_ISLANDS:
+ case GK_SEA_ISLANDS:
+ break;
+
+ case GK_VOLCANIC_ISLANDS:
+ Features["s-memrealtime"] = true;
+ Features["16-bit-insts"] = true;
+ break;
+
+ case GK_NONE:
+ return false;
+ default:
+ llvm_unreachable("unhandled subtarget");
+ }
+ } else {
+ if (CPU.empty())
+ CPU = "r600";
+
+ switch (parseR600Name(CPU)) {
+ case GK_R600:
+ case GK_R700:
+ case GK_EVERGREEN:
+ case GK_NORTHERN_ISLANDS:
+ break;
+ case GK_R600_DOUBLE_OPS:
+ case GK_R700_DOUBLE_OPS:
+ case GK_EVERGREEN_DOUBLE_OPS:
+ case GK_CAYMAN:
+ Features["fp64"] = true;
+ break;
+ case GK_NONE:
+ return false;
+ default:
+ llvm_unreachable("unhandled subtarget");
+ }
+ }
+
+ return TargetInfo::initFeatureMap(Features, Diags, CPU, FeatureVec);
+}
+
// Namespace for x86 abstract base class
const Builtin::Info BuiltinInfo[] = {
#define BUILTIN(ID, TYPE, ATTRS) \
@@ -4950,7 +4988,7 @@ public:
} else if (Feature == "+dsp") {
DSP = 1;
} else if (Feature == "+fp-only-sp") {
- HW_FP_remove |= HW_FP_DP;
+ HW_FP_remove |= HW_FP_DP;
} else if (Feature == "+strict-align") {
Unaligned = 0;
} else if (Feature == "+fp16") {
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