[Mesa-dev] [RFC 3/5] ac: add support for unordered float comparison opcodes

[Marek Olšák]

Reviewed-by: Marek Olšák <marek.olsak at amd.com>

Marek

On Wed, Feb 14, 2018 at 7:29 AM, Timothy Arceri <tarceri at itsqueeze.com> wrote:
> ---
>  src/amd/common/ac_nir_to_llvm.c | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
>
> diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
> index 8d1eed241f..a0c5680205 100644
> --- a/src/amd/common/ac_nir_to_llvm.c
> +++ b/src/amd/common/ac_nir_to_llvm.c
> @@ -1803,6 +1803,18 @@ static void visit_alu(struct ac_nir_context *ctx, const nir_alu_instr *instr)
>         case nir_op_fge:
>                 result = emit_float_cmp(&ctx->ac, LLVMRealUGE, src[0], src[1]);
>                 break;
> +       case nir_op_ufeq:
> +               result = emit_float_cmp(&ctx->ac, LLVMRealUEQ, src[0], src[1]);
> +               break;
> +       case nir_op_ufne:
> +               result = emit_float_cmp(&ctx->ac, LLVMRealUNE, src[0], src[1]);
> +               break;
> +       case nir_op_uflt:
> +               result = emit_float_cmp(&ctx->ac, LLVMRealULT, src[0], src[1]);
> +               break;
> +       case nir_op_ufge:
> +               result = emit_float_cmp(&ctx->ac, LLVMRealUGE, src[0], src[1]);
> +               break;
>         case nir_op_fabs:
>                 result = emit_intrin_1f_param(&ctx->ac, "llvm.fabs",
>                                               ac_to_float_type(&ctx->ac, def_type), src[0]);
> --
> 2.14.3
>
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