[Mesa-dev] [PATCH 3/3] ac/nir: use the new raw/struct SSBO atomic intrisics for comp_swap

Timothy Arceri tarceri at itsqueeze.com
Thu Apr 18 08:59:07 UTC 2019


Series:

Reviewed-by: Timothy Arceri <tarceri at itsqueeze.com>

On 18/4/19 5:23 pm, Samuel Pitoiset wrote:
> This is actually fixed now.
> 
> This change requires LLVM r358579. Make sure to have it in
> your tree, otherwise the following piglit will hang:
> 
> tests/spec/arb_shader_storage_buffer_object/execution/ssbo-atomicCompSwap-int.shader_test
> 
> Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
> ---
>   src/amd/common/ac_nir_to_llvm.c | 3 +--
>   1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
> index 30e5cc8c389..78f25b8e742 100644
> --- a/src/amd/common/ac_nir_to_llvm.c
> +++ b/src/amd/common/ac_nir_to_llvm.c
> @@ -1692,8 +1692,7 @@ static LLVMValueRef visit_atomic_ssbo(struct ac_nir_context *ctx,
>   						  get_src(ctx, instr->src[0]),
>   						  true);
>   
> -	if (HAVE_LLVM >= 0x900 &&
> -	    instr->intrinsic != nir_intrinsic_ssbo_atomic_comp_swap) {
> +	if (HAVE_LLVM >= 0x900) {
>   		/* XXX: The new raw/struct atomic intrinsics are buggy with
>   		 * LLVM 8, see r358579.
>   		 */
> 


More information about the mesa-dev mailing list