[Mesa-dev] [PATCH v2 09/41] ac/nir: fix 64-bit nir_op_f2f16_rtz

[Samuel Pitoiset]

Reviewed-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>

On 2/16/19 1:21 AM, Rhys Perry wrote:
> Signed-off-by: Rhys Perry <pendingchaos02 at gmail.com>
> ---
>   src/amd/common/ac_nir_to_llvm.c | 2 ++
>   1 file changed, 2 insertions(+)
>
> diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
> index 691d444db05..741059b5f1a 100644
> --- a/src/amd/common/ac_nir_to_llvm.c
> +++ b/src/amd/common/ac_nir_to_llvm.c
> @@ -886,6 +886,8 @@ static void visit_alu(struct ac_nir_context *ctx, const nir_alu_instr *instr)
>   		break;
>   	case nir_op_f2f16_rtz:
>   		src[0] = ac_to_float(&ctx->ac, src[0]);
> +		if (LLVMTypeOf(src[0]) == ctx->ac.f64)
> +			src[0] = LLVMBuildFPTrunc(ctx->ac.builder, src[0], ctx->ac.f32, "");
>   		LLVMValueRef param[2] = { src[0], ctx->ac.f32_0 };
>   		result = ac_build_cvt_pkrtz_f16(&ctx->ac, param);
>   		result = LLVMBuildExtractElement(ctx->ac.builder, result, ctx->ac.i32_0, "");