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rustc_llvm: expose FloatABIType target machine parameter

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This commit is contained in:
Ralf Jung 2024-12-30 18:10:59 +01:00
parent f95c996750
commit fff026c8e5
4 changed files with 39 additions and 14 deletions
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26
compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp
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@ -308,6 +308,24 @@ static Reloc::Model fromRust(LLVMRustRelocModel RustReloc) {
report_fatal_error("Bad RelocModel.");
}
enum class LLVMRustFloatABI {
Default,
Soft,
Hard,
};
static FloatABI::ABIType fromRust(LLVMRustFloatABI RustFloatAbi) {
switch (RustFloatAbi) {
case LLVMRustFloatABI::Default:
return FloatABI::Default;
case LLVMRustFloatABI::Soft:
return FloatABI::Soft;
case LLVMRustFloatABI::Hard:
return FloatABI::Hard;
}
report_fatal_error("Bad FloatABI.");
}
/// getLongestEntryLength - Return the length of the longest entry in the table.
template <typename KV> static size_t getLongestEntryLength(ArrayRef<KV> Table) {
size_t MaxLen = 0;
@ -358,7 +376,7 @@ extern "C" const char *LLVMRustGetHostCPUName(size_t *OutLen) {
extern "C" LLVMTargetMachineRef LLVMRustCreateTargetMachine(
const char *TripleStr, const char *CPU, const char *Feature,
const char *ABIStr, LLVMRustCodeModel RustCM, LLVMRustRelocModel RustReloc,
LLVMRustCodeGenOptLevel RustOptLevel, bool UseSoftFloat,
LLVMRustCodeGenOptLevel RustOptLevel, LLVMRustFloatABI RustFloatABIType,
bool FunctionSections, bool DataSections, bool UniqueSectionNames,
bool TrapUnreachable, bool Singlethread, bool VerboseAsm,
bool EmitStackSizeSection, bool RelaxELFRelocations, bool UseInitArray,
@ -369,6 +387,7 @@ extern "C" LLVMTargetMachineRef LLVMRustCreateTargetMachine(
auto OptLevel = fromRust(RustOptLevel);
auto RM = fromRust(RustReloc);
auto CM = fromRust(RustCM);
auto FloatABIType = fromRust(RustFloatABIType);
std::string Error;
auto Trip = Triple(Triple::normalize(TripleStr));
@ -381,10 +400,7 @@ extern "C" LLVMTargetMachineRef LLVMRustCreateTargetMachine(
TargetOptions Options = codegen::InitTargetOptionsFromCodeGenFlags(Trip);
Options.FloatABIType = FloatABI::Default;
if (UseSoftFloat) {
Options.FloatABIType = FloatABI::Soft;
}
Options.FloatABIType = FloatABIType;
Options.DataSections = DataSections;
Options.FunctionSections = FunctionSections;
Options.UniqueSectionNames = UniqueSectionNames;