forked from OSchip/llvm-project
53 lines
2.3 KiB
C++
53 lines
2.3 KiB
C++
//===--- RISCV.cpp - Implement RISCV target feature support ---------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file implements RISCV TargetInfo objects.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "RISCV.h"
|
|
#include "clang/Basic/MacroBuilder.h"
|
|
#include "llvm/ADT/StringSwitch.h"
|
|
|
|
using namespace clang;
|
|
using namespace clang::targets;
|
|
|
|
ArrayRef<const char *> RISCVTargetInfo::getGCCRegNames() const {
|
|
static const char *const GCCRegNames[] = {
|
|
"x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7",
|
|
"x8", "x9", "x10", "x11", "x12", "x13", "x14", "x15",
|
|
"x16", "x17", "x18", "x19", "x20", "x21", "x22", "x23",
|
|
"x24", "x25", "x26", "x27", "x28", "x29", "x30", "x31"};
|
|
return llvm::makeArrayRef(GCCRegNames);
|
|
}
|
|
|
|
ArrayRef<TargetInfo::GCCRegAlias> RISCVTargetInfo::getGCCRegAliases() const {
|
|
static const TargetInfo::GCCRegAlias GCCRegAliases[] = {
|
|
{{"zero"}, "x0"}, {{"ra"}, "x1"}, {{"sp"}, "x2"}, {{"gp"}, "x3"},
|
|
{{"tp"}, "x4"}, {{"t0"}, "x5"}, {{"t1"}, "x6"}, {{"t2"}, "x7"},
|
|
{{"s0"}, "x8"}, {{"s1"}, "x9"}, {{"a0"}, "x10"}, {{"a1"}, "x11"},
|
|
{{"a2"}, "x12"}, {{"a3"}, "x13"}, {{"a4"}, "x15"}, {{"a5"}, "x15"},
|
|
{{"a6"}, "x16"}, {{"a7"}, "x17"}, {{"s2"}, "x18"}, {{"s3"}, "x19"},
|
|
{{"s4"}, "x20"}, {{"s5"}, "x21"}, {{"s6"}, "x22"}, {{"s7"}, "x23"},
|
|
{{"s8"}, "x24"}, {{"s9"}, "x25"}, {{"s10"}, "x26"}, {{"s11"}, "x27"},
|
|
{{"t3"}, "x28"}, {{"t4"}, "x29"}, {{"t5"}, "x30"}, {{"t6"}, "x31"}};
|
|
return llvm::makeArrayRef(GCCRegAliases);
|
|
}
|
|
|
|
void RISCVTargetInfo::getTargetDefines(const LangOptions &Opts,
|
|
MacroBuilder &Builder) const {
|
|
Builder.defineMacro("__ELF__");
|
|
Builder.defineMacro("__riscv");
|
|
bool Is64Bit = getTriple().getArch() == llvm::Triple::riscv64;
|
|
Builder.defineMacro("__riscv_xlen", Is64Bit ? "64" : "32");
|
|
// TODO: modify when more code models and ABIs are supported.
|
|
Builder.defineMacro("__riscv_cmodel_medlow");
|
|
Builder.defineMacro("__riscv_float_abi_soft");
|
|
}
|