Looks good to me!
Jose
----- Original Message -----
> Both the imul_hi and umul_hi are working with this patch.
>
> Signed-off-by: Zack Rusin <za...@vmware.com>
> ---
> src/gallium/auxiliary/gallivm/lp_bld_tgsi_action.c | 60
> ++++++++++++++++++++++
> 1 file changed, 60 insertions(+)
>
> diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_action.c
> b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_action.c
> index 1cfaf78..8caaf83 100644
> --- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_action.c
> +++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_action.c
> @@ -763,6 +763,64 @@ umul_emit(
> emit_data->args[0], emit_data->args[1]);
> }
>
> +/* TGSI_OPCODE_IMUL_HI */
> +static void
> +imul_hi_emit(
> + const struct lp_build_tgsi_action * action,
> + struct lp_build_tgsi_context * bld_base,
> + struct lp_build_emit_data * emit_data)
> +{
> + LLVMBuilderRef builder = bld_base->base.gallivm->builder;
> + struct lp_build_context *int_bld = &bld_base->int_bld;
> + struct lp_type type = int_bld->type;
> + LLVMValueRef src0, src1;
> + LLVMValueRef dst64;
> + LLVMTypeRef typeRef;
> +
> + assert(type.width == 32);
> + type.width = 64;
> + typeRef = lp_build_vec_type(bld_base->base.gallivm, type);
> + src0 = LLVMBuildSExt(builder, emit_data->args[0], typeRef, "");
> + src1 = LLVMBuildSExt(builder, emit_data->args[1], typeRef, "");
> + dst64 = LLVMBuildMul(builder, src0, src1, "");
> + dst64 = LLVMBuildAShr(
> + builder, dst64,
> + lp_build_const_vec(bld_base->base.gallivm, type, 32), "");
> + type.width = 32;
> + typeRef = lp_build_vec_type(bld_base->base.gallivm, type);
> + emit_data->output[emit_data->chan] =
> + LLVMBuildTrunc(builder, dst64, typeRef, "");
> +}
> +
> +/* TGSI_OPCODE_UMUL_HI */
> +static void
> +umul_hi_emit(
> + const struct lp_build_tgsi_action * action,
> + struct lp_build_tgsi_context * bld_base,
> + struct lp_build_emit_data * emit_data)
> +{
> + LLVMBuilderRef builder = bld_base->base.gallivm->builder;
> + struct lp_build_context *uint_bld = &bld_base->uint_bld;
> + struct lp_type type = uint_bld->type;
> + LLVMValueRef src0, src1;
> + LLVMValueRef dst64;
> + LLVMTypeRef typeRef;
> +
> + assert(type.width == 32);
> + type.width = 64;
> + typeRef = lp_build_vec_type(bld_base->base.gallivm, type);
> + src0 = LLVMBuildZExt(builder, emit_data->args[0], typeRef, "");
> + src1 = LLVMBuildZExt(builder, emit_data->args[1], typeRef, "");
> + dst64 = LLVMBuildMul(builder, src0, src1, "");
> + dst64 = LLVMBuildLShr(
> + builder, dst64,
> + lp_build_const_vec(bld_base->base.gallivm, type, 32), "");
> + type.width = 32;
> + typeRef = lp_build_vec_type(bld_base->base.gallivm, type);
> + emit_data->output[emit_data->chan] =
> + LLVMBuildTrunc(builder, dst64, typeRef, "");
> +}
> +
> /* TGSI_OPCODE_MAX */
> static void fmax_emit(
> const struct lp_build_tgsi_action * action,
> @@ -894,6 +952,8 @@ lp_set_default_actions(struct lp_build_tgsi_context *
> bld_base)
> bld_base->op_actions[TGSI_OPCODE_U2F].emit = u2f_emit;
> bld_base->op_actions[TGSI_OPCODE_UMAD].emit = umad_emit;
> bld_base->op_actions[TGSI_OPCODE_UMUL].emit = umul_emit;
> + bld_base->op_actions[TGSI_OPCODE_IMUL_HI].emit = imul_hi_emit;
> + bld_base->op_actions[TGSI_OPCODE_UMUL_HI].emit = umul_hi_emit;
>
> bld_base->op_actions[TGSI_OPCODE_MAX].emit = fmax_emit;
> bld_base->op_actions[TGSI_OPCODE_MIN].emit = fmin_emit;
> --
> 1.8.1.2
>
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