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Support --march=native #3134

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Merged
merged 6 commits into from
May 6, 2025
Merged

Support --march=native #3134

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89fc7d8
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chentong319 Apr 21, 2025
72aea1e
format
chentong319 Apr 21, 2025
3a7a41f
Merge remote-tracking branch 'upstream/main' into native-march
chentong319 Apr 23, 2025
828d9ad
linkage
chentong319 Apr 23, 2025
554a825
Merge remote-tracking branch 'upstream/main' into native-march
chentong319 May 5, 2025
a2579bb
lib
chentong319 May 5, 2025
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1 change: 1 addition & 0 deletions src/Compiler/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -56,6 +56,7 @@ add_onnx_mlir_library(OMCompilerOptions
LINK_LIBS PUBLIC
MLIRIR
OMAccelerator
LLVMTargetParser
)


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7 changes: 6 additions & 1 deletion src/Compiler/CompilerOptions.cpp
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Expand Up @@ -13,6 +13,7 @@
//===----------------------------------------------------------------------===//

#include "llvm/Support/Debug.h"
#include "llvm/TargetParser/Host.h"

#include "ExternalUtil.hpp"
#include "onnx-mlir/Compiler/OMCompilerRuntimeTypes.h"
Expand Down Expand Up @@ -174,7 +175,8 @@ static llvm::cl::opt<float, true> nnpaEpsilonOpt("nnpa-epsilon",
llvm::cl::cat(OnnxMlirCommonOptions), llvm::cl::init(1e-5));

static llvm::cl::opt<std::string, true> marchOpt("march",
llvm::cl::desc("Target architecture to generate code for."),
llvm::cl::desc("Target architecture to generate code for.\n"
"--march=native will use the host's archituecture"),
llvm::cl::value_desc("Target a specific architecture type"),
llvm::cl::location(march), llvm::cl::cat(OnnxMlirCommonOptions),
llvm::cl::ValueRequired);
Expand Down Expand Up @@ -1413,6 +1415,9 @@ void initCompilerConfig() {

if (march == "z17")
march = "arch15";

if (march == "native")
march = std::string(llvm::sys::getHostCPUName());
}

} // namespace onnx_mlir
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