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[flang][veclib] Adding AMDLIBM target to fveclib (#140533)

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This commit adds AMDLIBM support to fveclib targets. The support is
already present in clang and this patch extends it to flang.
This commit is contained in:
shivaramaarao
2025-05-20 14:08:35 +05:30
committed by GitHub
parent 57aa7fa6ed
commit 32a1b6a70b
5 changed files with 8 additions and 2 deletions
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2
clang/lib/Driver/ToolChains/Flang.cpp
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@@ -484,7 +484,7 @@ void Flang::addTargetOptions(const ArgList &Args,
Triple.getArch() != llvm::Triple::x86_64)
D.Diag(diag::err_drv_unsupported_opt_for_target)
<< Name << Triple.getArchName();
} else if (Name == "libmvec") {
} else if (Name == "libmvec" || Name == "AMDLIBM") {
if (Triple.getArch() != llvm::Triple::x86 &&
Triple.getArch() != llvm::Triple::x86_64)
D.Diag(diag::err_drv_unsupported_opt_for_target)

2
flang/include/flang/Frontend/CodeGenOptions.def
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@@ -42,7 +42,7 @@ CODEGENOPT(AliasAnalysis, 1, 0) ///< Enable alias analysis pass
CODEGENOPT(Underscoring, 1, 1)
ENUM_CODEGENOPT(RelocationModel, llvm::Reloc::Model, 3, llvm::Reloc::PIC_) ///< Name of the relocation model to use.
ENUM_CODEGENOPT(DebugInfo, llvm::codegenoptions::DebugInfoKind, 4, llvm::codegenoptions::NoDebugInfo) ///< Level of debug info to generate
ENUM_CODEGENOPT(VecLib, llvm::driver::VectorLibrary, 3, llvm::driver::VectorLibrary::NoLibrary) ///< Vector functions library to use
ENUM_CODEGENOPT(VecLib, llvm::driver::VectorLibrary, 4, llvm::driver::VectorLibrary::NoLibrary) ///< Vector functions library to use
ENUM_CODEGENOPT(FramePointer, llvm::FramePointerKind, 2, llvm::FramePointerKind::None) ///< Enable the usage of frame pointers
ENUM_CODEGENOPT(DoConcurrentMapping, DoConcurrentMappingKind, 2, DoConcurrentMappingKind::DCMK_None) ///< Map `do concurrent` to OpenMP

1
flang/lib/Frontend/CompilerInvocation.cpp
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@@ -201,6 +201,7 @@ static bool parseVectorLibArg(Fortran::frontend::CodeGenOptions &opts,
.Case("SLEEF", VectorLibrary::SLEEF)
.Case("Darwin_libsystem_m", VectorLibrary::Darwin_libsystem_m)
.Case("ArmPL", VectorLibrary::ArmPL)
.Case("AMDLIBM", VectorLibrary::AMDLIBM)
.Case("NoLibrary", VectorLibrary::NoLibrary)
.Default(std::nullopt);
if (!val.has_value()) {

2
flang/test/Driver/fveclib-codegen.f90
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@@ -1,6 +1,7 @@
! test that -fveclib= is passed to the backend
! RUN: %if aarch64-registered-target %{ %flang -S -Ofast -target aarch64-unknown-linux-gnu -fveclib=SLEEF -o - %s | FileCheck %s --check-prefix=SLEEF %}
! RUN: %if x86-registered-target %{ %flang -S -Ofast -target x86_64-unknown-linux-gnu -fveclib=libmvec -o - %s | FileCheck %s %}
! RUN: %if x86-registered-target %{ %flang -S -O3 -ffast-math -target x86_64-unknown-linux-gnu -fveclib=AMDLIBM -o - %s | FileCheck %s --check-prefix=AMDLIBM %}
! RUN: %flang -S -Ofast -fveclib=NoLibrary -o - %s | FileCheck %s --check-prefix=NOLIB
subroutine sb(a, b)
@@ -10,6 +11,7 @@ subroutine sb(a, b)
! check that we used a vectorized call to powf()
! CHECK: _ZGVbN4vv_powf
! SLEEF: _ZGVnN4vv_powf
! AMDLIBM: amd_vrs4_powf
! NOLIB: powf
a(i) = a(i) ** b(i)
end do

3
flang/test/Driver/fveclib.f90
View File

@@ -5,6 +5,7 @@
! RUN: %flang -### -c -fveclib=Darwin_libsystem_m %s 2>&1 | FileCheck -check-prefix CHECK-DARWIN_LIBSYSTEM_M %s
! RUN: %flang -### -c --target=aarch64-none-none -fveclib=SLEEF %s 2>&1 | FileCheck -check-prefix CHECK-SLEEF %s
! RUN: %flang -### -c --target=aarch64-none-none -fveclib=ArmPL %s 2>&1 | FileCheck -check-prefix CHECK-ARMPL %s
! RUN: %flang -### -c --target=x86_64-unknown-linux-gnu -fveclib=AMDLIBM %s 2>&1 | FileCheck -check-prefix CHECK-AMDLIBM %s
! RUN: %flang -### -c --target=aarch64-apple-darwin -fveclib=none %s 2>&1 | FileCheck -check-prefix CHECK-NOLIB-DARWIN %s
! RUN: not %flang -c -fveclib=something %s 2>&1 | FileCheck -check-prefix CHECK-INVALID %s
@@ -15,6 +16,7 @@
! CHECK-DARWIN_LIBSYSTEM_M: "-fveclib=Darwin_libsystem_m"
! CHECK-SLEEF: "-fveclib=SLEEF"
! CHECK-ARMPL: "-fveclib=ArmPL"
! CHECK-AMDLIBM: "-fveclib=AMDLIBM"
! CHECK-NOLIB-DARWIN: "-fveclib=none"
! CHECK-INVALID: error: invalid value 'something' in '-fveclib=something'
@@ -23,6 +25,7 @@
! RUN: not %flang --target=x86-none-none -c -fveclib=ArmPL %s 2>&1 | FileCheck -check-prefix CHECK-ERROR %s
! RUN: not %flang --target=aarch64-none-none -c -fveclib=libmvec %s 2>&1 | FileCheck -check-prefix CHECK-ERROR %s
! RUN: not %flang --target=aarch64-none-none -c -fveclib=SVML %s 2>&1 | FileCheck -check-prefix CHECK-ERROR %s
! RUN: not %flang --target=aarch64-none-none -c -fveclib=AMDLIBM %s 2>&1 | FileCheck -check-prefix CHECK-ERROR %s
! CHECK-ERROR: unsupported option {{.*}} for target
! RUN: %flang -fveclib=Accelerate %s -target arm64-apple-ios8.0.0 -### 2>&1 | FileCheck --check-prefix=CHECK-LINK %s