[PATCH] D106909: [clang] Add clang builtins support for gfx90a

[Stanislav Mekhanoshin via Phabricator via cfe-commits]

rampitec added a comment.

In D106909#2922567 <https://reviews.llvm.org/D106909#2922567>, @gandhi21299 wrote:

> @rampitec how do I handle the following?
>
>   builtins-fp-atomics.cl:38:10: error: '__builtin_amdgcn_global_atomic_fadd_f64' needs target feature atomic-fadd-insts
>     *rtn = __builtin_amdgcn_global_atomic_fadd_f64(addr, x, memory_order_relaxed);
>            ^

It is f64, it needs gfx90a-insts. atomic-fadd-insts is for global f32.



================
Comment at: clang/lib/CodeGen/CGBuiltin.cpp:16270
+    llvm::Function *F = CGM.getIntrinsic(IID, {ArgTy});
+    return Builder.CreateCall(F, {Addr, Val, ZeroI32, ZeroI32, ZeroI1});
+  }
----------------
gandhi21299 wrote:
> rampitec wrote:
> > Should we map flags since we already have them?
> Do you mean the memory order flag?
All 3: ordering, scope and volatile.


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https://reviews.llvm.org/D106909