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[flang] WIP: attempting to add an atomicadd intrinsinc #123490

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[flang] WIP: attempting to add an atomicadd intrinsinc #123490

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1 change: 1 addition & 0 deletions flang/include/flang/Optimizer/Builder/IntrinsicCall.h
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Original file line number Diff line number Diff line change
Expand Up @@ -185,6 +185,7 @@ struct IntrinsicLibrary {
mlir::Value genAnint(mlir::Type, llvm::ArrayRef<mlir::Value>);
fir::ExtendedValue genAny(mlir::Type, llvm::ArrayRef<fir::ExtendedValue>);
mlir::Value genAtanpi(mlir::Type, llvm::ArrayRef<mlir::Value>);
mlir::Value genAtomicAdd(mlir::Type, llvm::ArrayRef<mlir::Value>);
fir::ExtendedValue
genCommandArgumentCount(mlir::Type, llvm::ArrayRef<fir::ExtendedValue>);
mlir::Value genAsind(mlir::Type, llvm::ArrayRef<mlir::Value>);
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10 changes: 10 additions & 0 deletions flang/lib/Optimizer/Builder/IntrinsicCall.cpp
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Expand Up @@ -147,6 +147,7 @@ static constexpr IntrinsicHandler handlers[]{
{"atan2pi", &I::genAtanpi},
{"atand", &I::genAtand},
{"atanpi", &I::genAtanpi},
{"atomicaddd", &I::genAtomicAdd, {}, /*isElemental=*/false},
{"bessel_jn",
&I::genBesselJn,
{{{"n1", asValue}, {"n2", asValue}, {"x", asValue}}},
Expand Down Expand Up @@ -2574,6 +2575,15 @@ mlir::Value IntrinsicLibrary::genAtanpi(mlir::Type resultType,
return builder.create<mlir::arith::MulFOp>(loc, atan, factor);
}

mlir::Value IntrinsicLibrary::genAtomicAdd(mlir::Type resultType,
llvm::ArrayRef<mlir::Value> args) {
assert(args.size() == 2);
llvm::errs() << "In genAtomicAdd\n";
return builder.create<mlir::LLVM::AtomicRMWOp>(
loc, mlir::LLVM::AtomicBinOp::add, args[0], args[1],
mlir::LLVM::AtomicOrdering::seq_cst);
}

// ASSOCIATED
fir::ExtendedValue
IntrinsicLibrary::genAssociated(mlir::Type resultType,
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35 changes: 34 additions & 1 deletion flang/module/cudadevice.f90
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Expand Up @@ -92,5 +92,38 @@ attributes(device) subroutine threadfence_system()
end function
end interface
public :: __fadd_ru


interface
attributes(device) real*8 function atomicaddd(address, val)
real*8, intent(inout) :: address
real*8 :: val
end function
end interface
public :: atomicaddd


!interface atomicadd
! attributes(device) pure integer function atomicaddi(address, val)
!!dir$ ignore_tkr (rd) address, (d) val
! integer, intent(inout) :: address
! integer, value :: val
! end function
! attributes(device) pure real function atomicaddf(address, val)
!!dir$ ignore_tkr (rd) address, (d) val
! real, intent(inout) :: address
! real, value :: val
! end function
! attributes(device) pure real*8 function atomicaddd(address, val)
!!dir$ ignore_tkr (rd) address, (d) val
! real*8, intent(inout) :: address
! real*8, value :: val
! end function
! attributes(device) pure integer(8) function atomicaddul(address, val)
!!dir$ ignore_tkr (rd) address, (dk) val
! integer(8), intent(inout) :: address
! integer(8), value :: val
! end function
!end interface
!public :: atomicadd

end module
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