On Thu, Nov 20, 2014 at 10:21:07PM +0100, Marek Olšák wrote:
> From: Marek Olšák <marek.ol...@amd.com>
>
Reviewed-by: Tom Stellard <thomas.stell...@amd.com>
> So far it has been compiled into pretty ugly code (8 instructions or so
> for either opcode).
> ---
> src/gallium/drivers/radeonsi/si_shader.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/src/gallium/drivers/radeonsi/si_shader.c
> b/src/gallium/drivers/radeonsi/si_shader.c
> index ee08d1a..973bac2 100644
> --- a/src/gallium/drivers/radeonsi/si_shader.c
> +++ b/src/gallium/drivers/radeonsi/si_shader.c
> @@ -2792,6 +2792,13 @@ int si_shader_create(struct si_screen *sscreen, struct
> si_shader *shader)
> bld_base->op_actions[TGSI_OPCODE_EMIT].emit = si_llvm_emit_vertex;
> bld_base->op_actions[TGSI_OPCODE_ENDPRIM].emit = si_llvm_emit_primitive;
>
> + if (HAVE_LLVM >= 0x0306) {
> + bld_base->op_actions[TGSI_OPCODE_MAX].emit =
> build_tgsi_intrinsic_nomem;
> + bld_base->op_actions[TGSI_OPCODE_MAX].intr_name =
> "llvm.maxnum.f32";
> + bld_base->op_actions[TGSI_OPCODE_MIN].emit =
> build_tgsi_intrinsic_nomem;
> + bld_base->op_actions[TGSI_OPCODE_MIN].intr_name =
> "llvm.minnum.f32";
> + }
> +
> si_shader_ctx.radeon_bld.load_system_value = declare_system_value;
> si_shader_ctx.tokens = sel->tokens;
> tgsi_parse_init(&si_shader_ctx.parse, si_shader_ctx.tokens);
> --
> 2.1.0
>
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