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-rw-r--r--llvm/lib/Support/Host.cpp115
1 files changed, 80 insertions, 35 deletions
diff --git a/llvm/lib/Support/Host.cpp b/llvm/lib/Support/Host.cpp
index f6003b783245..08e3a27e0173 100644
--- a/llvm/lib/Support/Host.cpp
+++ b/llvm/lib/Support/Host.cpp
@@ -11,20 +11,15 @@
//===----------------------------------------------------------------------===//
#include "llvm/Support/Host.h"
-#include "llvm/ADT/SmallSet.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/ADT/Triple.h"
#include "llvm/Config/llvm-config.h"
-#include "llvm/Support/BCD.h"
-#include "llvm/Support/Debug.h"
-#include "llvm/Support/FileSystem.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/X86TargetParser.h"
#include "llvm/Support/raw_ostream.h"
-#include <assert.h>
#include <string.h>
// Include the platform-specific parts of this class.
@@ -38,11 +33,16 @@
#ifdef _MSC_VER
#include <intrin.h>
#endif
-#if defined(__APPLE__) && (!defined(__x86_64__))
+#ifdef __MVS__
+#include "llvm/Support/BCD.h"
+#endif
+#if defined(__APPLE__)
#include <mach/host_info.h>
#include <mach/mach.h>
#include <mach/mach_host.h>
#include <mach/machine.h>
+#include <sys/param.h>
+#include <sys/sysctl.h>
#endif
#ifdef _AIX
#include <sys/systemcfg.h>
@@ -296,6 +296,12 @@ StringRef sys::detail::getHostCPUNameForARM(StringRef ProcCpuinfoContent) {
}
}
+ if (Implementer == "0xc0") { // Ampere Computing
+ return StringSwitch<const char *>(Part)
+ .Case("0xac3", "ampere1")
+ .Default("generic");
+ }
+
return "generic";
}
@@ -330,7 +336,7 @@ StringRef getCPUNameFromS390Model(unsigned int Id, bool HaveVectorSupport) {
case 3931:
case 3932:
default:
- return HaveVectorSupport? "arch14" : "zEC12";
+ return HaveVectorSupport? "z16" : "zEC12";
}
}
} // end anonymous namespace
@@ -380,6 +386,26 @@ StringRef sys::detail::getHostCPUNameForS390x(StringRef ProcCpuinfoContent) {
return "generic";
}
+StringRef sys::detail::getHostCPUNameForRISCV(StringRef ProcCpuinfoContent) {
+ // There are 24 lines in /proc/cpuinfo
+ SmallVector<StringRef> Lines;
+ ProcCpuinfoContent.split(Lines, "\n");
+
+ // Look for uarch line to determine cpu name
+ StringRef UArch;
+ for (unsigned I = 0, E = Lines.size(); I != E; ++I) {
+ if (Lines[I].startswith("uarch")) {
+ UArch = Lines[I].substr(5).ltrim("\t :");
+ break;
+ }
+ }
+
+ return StringSwitch<const char *>(UArch)
+ .Case("sifive,u74-mc", "sifive-u74")
+ .Case("sifive,bullet0", "sifive-u74")
+ .Default("generic");
+}
+
StringRef sys::detail::getHostCPUNameForBPF() {
#if !defined(__linux__) || !defined(__x86_64__)
return "generic";
@@ -1034,9 +1060,9 @@ getAMDProcessorTypeAndSubtype(unsigned Family, unsigned Model,
case 25:
CPU = "znver3";
*Type = X86::AMDFAM19H;
- if (Model <= 0x0f) {
+ if (Model <= 0x0f || Model == 0x21) {
*Subtype = X86::AMDFAM19H_ZNVER3;
- break; // 00h-0Fh: Zen3
+ break; // 00h-0Fh, 21h: Zen3
}
break;
default:
@@ -1299,32 +1325,45 @@ StringRef sys::getHostCPUName() {
bool HaveVectorSupport = CVT[244] & 0x80;
return getCPUNameFromS390Model(Id, HaveVectorSupport);
}
-#elif defined(__APPLE__) && defined(__aarch64__)
-StringRef sys::getHostCPUName() {
- return "cyclone";
-}
-#elif defined(__APPLE__) && defined(__arm__)
-StringRef sys::getHostCPUName() {
- host_basic_info_data_t hostInfo;
- mach_msg_type_number_t infoCount;
+#elif defined(__APPLE__) && (defined(__arm__) || defined(__aarch64__))
+#define CPUFAMILY_ARM_SWIFT 0x1e2d6381
+#define CPUFAMILY_ARM_CYCLONE 0x37a09642
+#define CPUFAMILY_ARM_TYPHOON 0x2c91a47e
+#define CPUFAMILY_ARM_TWISTER 0x92fb37c8
+#define CPUFAMILY_ARM_HURRICANE 0x67ceee93
+#define CPUFAMILY_ARM_MONSOON_MISTRAL 0xe81e7ef6
+#define CPUFAMILY_ARM_VORTEX_TEMPEST 0x07d34b9f
+#define CPUFAMILY_ARM_LIGHTNING_THUNDER 0x462504d2
+#define CPUFAMILY_ARM_FIRESTORM_ICESTORM 0x1b588bb3
- infoCount = HOST_BASIC_INFO_COUNT;
- mach_port_t hostPort = mach_host_self();
- host_info(hostPort, HOST_BASIC_INFO, (host_info_t)&hostInfo,
- &infoCount);
- mach_port_deallocate(mach_task_self(), hostPort);
+StringRef sys::getHostCPUName() {
+ uint32_t Family;
+ size_t Length = sizeof(Family);
+ sysctlbyname("hw.cpufamily", &Family, &Length, NULL, 0);
- if (hostInfo.cpu_type != CPU_TYPE_ARM) {
- assert(false && "CPUType not equal to ARM should not be possible on ARM");
- return "generic";
+ switch (Family) {
+ case CPUFAMILY_ARM_SWIFT:
+ return "swift";
+ case CPUFAMILY_ARM_CYCLONE:
+ return "apple-a7";
+ case CPUFAMILY_ARM_TYPHOON:
+ return "apple-a8";
+ case CPUFAMILY_ARM_TWISTER:
+ return "apple-a9";
+ case CPUFAMILY_ARM_HURRICANE:
+ return "apple-a10";
+ case CPUFAMILY_ARM_MONSOON_MISTRAL:
+ return "apple-a11";
+ case CPUFAMILY_ARM_VORTEX_TEMPEST:
+ return "apple-a12";
+ case CPUFAMILY_ARM_LIGHTNING_THUNDER:
+ return "apple-a13";
+ case CPUFAMILY_ARM_FIRESTORM_ICESTORM:
+ return "apple-m1";
+ default:
+ // Default to the newest CPU we know about.
+ return "apple-m1";
}
- switch (hostInfo.cpu_subtype) {
- case CPU_SUBTYPE_ARM_V7S:
- return "swift";
- default:;
- }
-
- return "generic";
}
#elif defined(_AIX)
StringRef sys::getHostCPUName() {
@@ -1360,6 +1399,11 @@ StringRef sys::getHostCPUName() {
}
#elif defined(__riscv)
StringRef sys::getHostCPUName() {
+#if defined(__linux__)
+ std::unique_ptr<llvm::MemoryBuffer> P = getProcCpuinfoContent();
+ StringRef Content = P ? P->getBuffer() : "";
+ return detail::getHostCPUNameForRISCV(Content);
+#else
#if __riscv_xlen == 64
return "generic-rv64";
#elif __riscv_xlen == 32
@@ -1367,6 +1411,7 @@ StringRef sys::getHostCPUName() {
#else
#error "Unhandled value of __riscv_xlen"
#endif
+#endif
}
#else
StringRef sys::getHostCPUName() { return "generic"; }
@@ -1455,9 +1500,6 @@ int computeHostNumPhysicalCores() {
#elif defined(__linux__) && defined(__s390x__)
int computeHostNumPhysicalCores() { return sysconf(_SC_NPROCESSORS_ONLN); }
#elif defined(__APPLE__)
-#include <sys/param.h>
-#include <sys/sysctl.h>
-
// Gets the number of *physical cores* on the machine.
int computeHostNumPhysicalCores() {
uint32_t count;
@@ -1706,6 +1748,9 @@ bool sys::getHostCPUFeatures(StringMap<bool> &Features) {
.Case("asimd", "neon")
.Case("fp", "fp-armv8")
.Case("crc32", "crc")
+ .Case("atomics", "lse")
+ .Case("sve", "sve")
+ .Case("sve2", "sve2")
#else
.Case("half", "fp16")
.Case("neon", "neon")
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-01 06:34:49 +0000