From b4b4294a7856d351bec14fdd07382223f38c6c34 Mon Sep 17 00:00:00 2001 From: Lionel Landwerlin Date: Thu, 8 Dec 2022 16:12:24 +0200 Subject: [PATCH] intel/fs: add a saturation propagation test Reviewed-by: Matt Turner Reviewed-by: Ian Romanick Signed-off-by: Lionel Landwerlin Part-of: --- .../compiler/test_fs_saturate_propagation.cpp | 39 ++++++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/src/intel/compiler/test_fs_saturate_propagation.cpp b/src/intel/compiler/test_fs_saturate_propagation.cpp index 4e1dd3f..c6560a0 100644 --- a/src/intel/compiler/test_fs_saturate_propagation.cpp +++ b/src/intel/compiler/test_fs_saturate_propagation.cpp @@ -802,3 +802,42 @@ TEST_F(saturate_propagation_test, larger_exec_size_consumer) EXPECT_EQ(BRW_OPCODE_MOV, instruction(block0, 1)->opcode); EXPECT_TRUE(instruction(block0, 1)->saturate); } + +TEST_F(saturate_propagation_test, offset_source_barrier) +{ + const fs_builder &bld = v->bld; + fs_reg dst0 = v->vgrf(glsl_type::float_type); + fs_reg dst1 = v->vgrf(glsl_type::float_type); + fs_reg dst2 = v->vgrf(glsl_type::float_type); + fs_reg src0 = v->vgrf(glsl_type::float_type); + fs_reg src1 = v->vgrf(glsl_type::float_type); + bld.group(16, 0).ADD(dst0, src0, src1); + bld.group(1, 0).ADD(dst1, component(dst0, 8), brw_imm_f(1.0f)); + set_saturate(true, bld.group(16, 0).MOV(dst2, dst0)); + + /* = Before = + * + * 0: add(16) dst0 src0 src1 + * 0: add(1) dst1 dst0+8 1.0f + * 1: mov.sat(16) dst2 dst0 + * + * = After = + * (no changes) + */ + + v->calculate_cfg(); + bblock_t *block0 = v->cfg->blocks[0]; + + EXPECT_EQ(0, block0->start_ip); + EXPECT_EQ(2, block0->end_ip); + + EXPECT_FALSE(saturate_propagation(v)); + EXPECT_EQ(0, block0->start_ip); + EXPECT_EQ(2, block0->end_ip); + EXPECT_EQ(BRW_OPCODE_ADD, instruction(block0, 0)->opcode); + EXPECT_EQ(BRW_OPCODE_ADD, instruction(block0, 1)->opcode); + EXPECT_FALSE(instruction(block0, 0)->saturate); + EXPECT_FALSE(instruction(block0, 1)->saturate); + EXPECT_EQ(BRW_OPCODE_MOV, instruction(block0, 2)->opcode); + EXPECT_TRUE(instruction(block0, 2)->saturate); +} -- 2.7.4