From: Gert Wollny <gert.wollny@collabora.com>
Date: Wed, 6 May 2020 21:58:25 +0000 (+0200)
Subject: r600/sfn: Make 3vec loads skip possible moves
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=607d7fb587b4c479d4af3b5e2abd8c588bffce53;p=mesa.git

r600/sfn: Make 3vec loads skip possible moves

Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Reviewed-by: Reviewed-by: Dave Airlie <airlied@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5085>
---

diff --git a/src/gallium/drivers/r600/sfn/sfn_shader_compute.cpp b/src/gallium/drivers/r600/sfn/sfn_shader_compute.cpp
index 2351a7fc50b..2d458ad838c 100644
--- a/src/gallium/drivers/r600/sfn/sfn_shader_compute.cpp
+++ b/src/gallium/drivers/r600/sfn/sfn_shader_compute.cpp
@@ -79,12 +79,8 @@ bool ComputeShaderFromNir::emit_intrinsic_instruction_override(nir_intrinsic_ins
 bool ComputeShaderFromNir::emit_load_3vec(nir_intrinsic_instr* instr,
                                           const std::array<PValue,3>& src)
 {
-   AluInstruction *ir = nullptr;
-   for (int i = 0; i < 3; ++i) {
-      ir = new AluInstruction(op1_mov, from_nir(instr->dest, i), src[i], {alu_write});
-      emit_instruction(ir);
-   }
-   ir->set_flag(alu_last_instr);
+   for (int i = 0; i < 3; ++i)
+      load_preloaded_value(instr->dest, i, src[i], i == 2);
    return true;
 }