i965/fs: Check ADD/MAD with immediates in satprop unit test
The gen had to be changed from 4 to 6 so that we could test MAD, which is new on Gen6. mad_imm_float_neg_mov_sat tests the case fixed by the previous commit. Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
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@ -65,7 +65,7 @@ void saturate_propagation_test::SetUp()
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v = new saturate_propagation_fs_visitor(compiler, prog_data, shader);
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devinfo->gen = 4;
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devinfo->gen = 6;
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}
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static fs_inst *
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@ -278,6 +278,44 @@ TEST_F(saturate_propagation_test, add_neg_mov_sat)
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EXPECT_FALSE(instruction(block0, 1)->saturate);
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}
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TEST_F(saturate_propagation_test, add_imm_float_neg_mov_sat)
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{
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const fs_builder &bld = v->bld;
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fs_reg dst0 = v->vgrf(glsl_type::float_type);
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fs_reg dst1 = v->vgrf(glsl_type::float_type);
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fs_reg src0 = v->vgrf(glsl_type::float_type);
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fs_reg src1 = brw_imm_f(1.0f);
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bld.ADD(dst0, src0, src1);
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dst0.negate = true;
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set_saturate(true, bld.MOV(dst1, dst0));
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/* = Before =
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*
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* 0: add(8) dst0 src0 1.0f
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* 1: mov.sat(8) dst1 -dst0
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*
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* = After =
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* 0: add.sat(8) dst0 -src0 -1.0f
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* 1: mov(8) dst1 dst0
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*/
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v->calculate_cfg();
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bblock_t *block0 = v->cfg->blocks[0];
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EXPECT_EQ(0, block0->start_ip);
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EXPECT_EQ(1, block0->end_ip);
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EXPECT_TRUE(saturate_propagation(v));
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EXPECT_EQ(0, block0->start_ip);
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EXPECT_EQ(1, block0->end_ip);
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EXPECT_EQ(BRW_OPCODE_ADD, instruction(block0, 0)->opcode);
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EXPECT_TRUE(instruction(block0, 0)->saturate);
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EXPECT_TRUE(instruction(block0, 0)->src[0].negate);
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EXPECT_EQ(instruction(block0, 0)->src[1].f, -1.0f);
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EXPECT_EQ(BRW_OPCODE_MOV, instruction(block0, 1)->opcode);
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EXPECT_FALSE(instruction(block0, 1)->saturate);
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}
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TEST_F(saturate_propagation_test, mul_neg_mov_sat)
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{
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const fs_builder &bld = v->bld;
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@ -316,6 +354,92 @@ TEST_F(saturate_propagation_test, mul_neg_mov_sat)
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EXPECT_FALSE(instruction(block0, 1)->src[0].negate);
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}
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TEST_F(saturate_propagation_test, mad_neg_mov_sat)
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{
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const fs_builder &bld = v->bld;
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fs_reg dst0 = v->vgrf(glsl_type::float_type);
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fs_reg dst1 = v->vgrf(glsl_type::float_type);
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fs_reg src0 = v->vgrf(glsl_type::float_type);
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fs_reg src1 = v->vgrf(glsl_type::float_type);
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fs_reg src2 = v->vgrf(glsl_type::float_type);
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bld.MAD(dst0, src0, src1, src2);
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dst0.negate = true;
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set_saturate(true, bld.MOV(dst1, dst0));
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/* = Before =
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*
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* 0: mad(8) dst0 src0 src1 src2
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* 1: mov.sat(8) dst1 -dst0
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*
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* = After =
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* 0: mad.sat(8) dst0 -src0 -src1 src2
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* 1: mov(8) dst1 dst0
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*/
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v->calculate_cfg();
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bblock_t *block0 = v->cfg->blocks[0];
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EXPECT_EQ(0, block0->start_ip);
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EXPECT_EQ(1, block0->end_ip);
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EXPECT_TRUE(saturate_propagation(v));
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EXPECT_EQ(0, block0->start_ip);
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EXPECT_EQ(1, block0->end_ip);
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EXPECT_EQ(BRW_OPCODE_MAD, instruction(block0, 0)->opcode);
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EXPECT_TRUE(instruction(block0, 0)->saturate);
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EXPECT_TRUE(instruction(block0, 0)->src[0].negate);
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EXPECT_TRUE(instruction(block0, 0)->src[1].negate);
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EXPECT_FALSE(instruction(block0, 0)->src[2].negate);
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EXPECT_EQ(BRW_OPCODE_MOV, instruction(block0, 1)->opcode);
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EXPECT_FALSE(instruction(block0, 1)->saturate);
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EXPECT_FALSE(instruction(block0, 1)->src[0].negate);
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}
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TEST_F(saturate_propagation_test, mad_imm_float_neg_mov_sat)
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{
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const fs_builder &bld = v->bld;
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fs_reg dst0 = v->vgrf(glsl_type::float_type);
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fs_reg dst1 = v->vgrf(glsl_type::float_type);
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fs_reg src0 = brw_imm_f(1.0f);
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fs_reg src1 = brw_imm_f(-2.0f);
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fs_reg src2 = v->vgrf(glsl_type::float_type);
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/* The builder for MAD tries to be helpful and not put immediates as direct
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* sources. We want to test specifically that case.
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*/
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fs_inst *mad = bld.MAD(dst0, src2, src2, src2);
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mad->src[0]= src0;
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mad->src[1] = src1;
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dst0.negate = true;
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set_saturate(true, bld.MOV(dst1, dst0));
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/* = Before =
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*
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* 0: mad(8) dst0 1.0f -2.0f src2
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* 1: mov.sat(8) dst1 -dst0
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*
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* = After =
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* 0: mad.sat(8) dst0 -1.0f 2.0f src2
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* 1: mov(8) dst1 dst0
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*/
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v->calculate_cfg();
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bblock_t *block0 = v->cfg->blocks[0];
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EXPECT_EQ(0, block0->start_ip);
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EXPECT_EQ(1, block0->end_ip);
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EXPECT_TRUE(saturate_propagation(v));
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EXPECT_EQ(0, block0->start_ip);
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EXPECT_EQ(1, block0->end_ip);
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EXPECT_EQ(BRW_OPCODE_MAD, instruction(block0, 0)->opcode);
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EXPECT_TRUE(instruction(block0, 0)->saturate);
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EXPECT_EQ(instruction(block0, 0)->src[0].f, -1.0f);
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EXPECT_EQ(instruction(block0, 0)->src[1].f, 2.0f);
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EXPECT_EQ(BRW_OPCODE_MOV, instruction(block0, 1)->opcode);
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EXPECT_FALSE(instruction(block0, 1)->saturate);
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EXPECT_FALSE(instruction(block0, 1)->src[0].negate);
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}
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TEST_F(saturate_propagation_test, mul_mov_sat_neg_mov_sat)
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{
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const fs_builder &bld = v->bld;
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