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-rw-r--r--src/intel/compiler/test_fs_saturate_propagation.cpp126
1 files changed, 125 insertions, 1 deletions
diff --git a/src/intel/compiler/test_fs_saturate_propagation.cpp b/src/intel/compiler/test_fs_saturate_propagation.cpp
index db472143994..360f735220c 100644
--- a/src/intel/compiler/test_fs_saturate_propagation.cpp
+++ b/src/intel/compiler/test_fs_saturate_propagation.cpp
@@ -65,7 +65,7 @@ void saturate_propagation_test::SetUp()
v = new saturate_propagation_fs_visitor(compiler, prog_data, shader);
- devinfo->gen = 4;
+ devinfo->gen = 6;
}
static fs_inst *
@@ -278,6 +278,44 @@ TEST_F(saturate_propagation_test, add_neg_mov_sat)
EXPECT_FALSE(instruction(block0, 1)->saturate);
}
+TEST_F(saturate_propagation_test, add_imm_float_neg_mov_sat)
+{
+ 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 src0 = v->vgrf(glsl_type::float_type);
+ fs_reg src1 = brw_imm_f(1.0f);
+ bld.ADD(dst0, src0, src1);
+ dst0.negate = true;
+ set_saturate(true, bld.MOV(dst1, dst0));
+
+ /* = Before =
+ *
+ * 0: add(8) dst0 src0 1.0f
+ * 1: mov.sat(8) dst1 -dst0
+ *
+ * = After =
+ * 0: add.sat(8) dst0 -src0 -1.0f
+ * 1: mov(8) dst1 dst0
+ */
+
+ v->calculate_cfg();
+ bblock_t *block0 = v->cfg->blocks[0];
+
+ EXPECT_EQ(0, block0->start_ip);
+ EXPECT_EQ(1, block0->end_ip);
+
+ EXPECT_TRUE(saturate_propagation(v));
+ EXPECT_EQ(0, block0->start_ip);
+ EXPECT_EQ(1, block0->end_ip);
+ EXPECT_EQ(BRW_OPCODE_ADD, instruction(block0, 0)->opcode);
+ EXPECT_TRUE(instruction(block0, 0)->saturate);
+ EXPECT_TRUE(instruction(block0, 0)->src[0].negate);
+ EXPECT_EQ(instruction(block0, 0)->src[1].f, -1.0f);
+ EXPECT_EQ(BRW_OPCODE_MOV, instruction(block0, 1)->opcode);
+ EXPECT_FALSE(instruction(block0, 1)->saturate);
+}
+
TEST_F(saturate_propagation_test, mul_neg_mov_sat)
{
const fs_builder &bld = v->bld;
@@ -316,6 +354,92 @@ TEST_F(saturate_propagation_test, mul_neg_mov_sat)
EXPECT_FALSE(instruction(block0, 1)->src[0].negate);
}
+TEST_F(saturate_propagation_test, mad_neg_mov_sat)
+{
+ 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 src0 = v->vgrf(glsl_type::float_type);
+ fs_reg src1 = v->vgrf(glsl_type::float_type);
+ fs_reg src2 = v->vgrf(glsl_type::float_type);
+ bld.MAD(dst0, src0, src1, src2);
+ dst0.negate = true;
+ set_saturate(true, bld.MOV(dst1, dst0));
+
+ /* = Before =
+ *
+ * 0: mad(8) dst0 src0 src1 src2
+ * 1: mov.sat(8) dst1 -dst0
+ *
+ * = After =
+ * 0: mad.sat(8) dst0 -src0 -src1 src2
+ * 1: mov(8) dst1 dst0
+ */
+
+ v->calculate_cfg();
+ bblock_t *block0 = v->cfg->blocks[0];
+
+ EXPECT_EQ(0, block0->start_ip);
+ EXPECT_EQ(1, block0->end_ip);
+
+ EXPECT_TRUE(saturate_propagation(v));
+ EXPECT_EQ(0, block0->start_ip);
+ EXPECT_EQ(1, block0->end_ip);
+ EXPECT_EQ(BRW_OPCODE_MAD, instruction(block0, 0)->opcode);
+ EXPECT_TRUE(instruction(block0, 0)->saturate);
+ EXPECT_TRUE(instruction(block0, 0)->src[0].negate);
+ EXPECT_TRUE(instruction(block0, 0)->src[1].negate);
+ EXPECT_FALSE(instruction(block0, 0)->src[2].negate);
+ EXPECT_EQ(BRW_OPCODE_MOV, instruction(block0, 1)->opcode);
+ EXPECT_FALSE(instruction(block0, 1)->saturate);
+ EXPECT_FALSE(instruction(block0, 1)->src[0].negate);
+}
+
+TEST_F(saturate_propagation_test, mad_imm_float_neg_mov_sat)
+{
+ 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 src0 = brw_imm_f(1.0f);
+ fs_reg src1 = brw_imm_f(-2.0f);
+ fs_reg src2 = v->vgrf(glsl_type::float_type);
+ /* The builder for MAD tries to be helpful and not put immediates as direct
+ * sources. We want to test specifically that case.
+ */
+ fs_inst *mad = bld.MAD(dst0, src2, src2, src2);
+ mad->src[0]= src0;
+ mad->src[1] = src1;
+ dst0.negate = true;
+ set_saturate(true, bld.MOV(dst1, dst0));
+
+ /* = Before =
+ *
+ * 0: mad(8) dst0 1.0f -2.0f src2
+ * 1: mov.sat(8) dst1 -dst0
+ *
+ * = After =
+ * 0: mad.sat(8) dst0 -1.0f 2.0f src2
+ * 1: mov(8) dst1 dst0
+ */
+
+ v->calculate_cfg();
+ bblock_t *block0 = v->cfg->blocks[0];
+
+ EXPECT_EQ(0, block0->start_ip);
+ EXPECT_EQ(1, block0->end_ip);
+
+ EXPECT_TRUE(saturate_propagation(v));
+ EXPECT_EQ(0, block0->start_ip);
+ EXPECT_EQ(1, block0->end_ip);
+ EXPECT_EQ(BRW_OPCODE_MAD, instruction(block0, 0)->opcode);
+ EXPECT_TRUE(instruction(block0, 0)->saturate);
+ EXPECT_EQ(instruction(block0, 0)->src[0].f, -1.0f);
+ EXPECT_EQ(instruction(block0, 0)->src[1].f, 2.0f);
+ EXPECT_EQ(BRW_OPCODE_MOV, instruction(block0, 1)->opcode);
+ EXPECT_FALSE(instruction(block0, 1)->saturate);
+ EXPECT_FALSE(instruction(block0, 1)->src[0].negate);
+}
+
TEST_F(saturate_propagation_test, mul_mov_sat_neg_mov_sat)
{
const fs_builder &bld = v->bld;