[Mesa-dev] [PATCH 3/7] i965/gen8: Add instruction compaction tables.

[Matt Turner]

---
 src/mesa/drivers/dri/i965/brw_eu_compact.c | 150 +++++++++++++++++++++++++++++
 1 file changed, 150 insertions(+)

diff --git a/src/mesa/drivers/dri/i965/brw_eu_compact.c b/src/mesa/drivers/dri/i965/brw_eu_compact.c
index f100297..dc0060d 100644
--- a/src/mesa/drivers/dri/i965/brw_eu_compact.c
+++ b/src/mesa/drivers/dri/i965/brw_eu_compact.c
@@ -321,6 +321,146 @@ static const uint16_t gen7_src_index_table[32] = {
    0b010110001000
 };
 
+static const uint32_t gen8_control_index_table[32] = {
+   0b0000000000000000010,
+   0b0000100000000000000,
+   0b0000100000000000001,
+   0b0000100000000000010,
+   0b0000100000000000011,
+   0b0000100000000000100,
+   0b0000100000000000101,
+   0b0000100000000000111,
+   0b0000100000000001000,
+   0b0000100000000001001,
+   0b0000100000000001101,
+   0b0000110000000000000,
+   0b0000110000000000001,
+   0b0000110000000000010,
+   0b0000110000000000011,
+   0b0000110000000000100,
+   0b0000110000000000101,
+   0b0000110000000000111,
+   0b0000110000000001001,
+   0b0000110000000001101,
+   0b0000110000000010000,
+   0b0000110000100000000,
+   0b0001000000000000000,
+   0b0001000000000000010,
+   0b0001000000000000100,
+   0b0001000000100000000,
+   0b0010110000000000000,
+   0b0010110000000010000,
+   0b0011000000000000000,
+   0b0011000000100000000,
+   0b0101000000000000000,
+   0b0101000000100000000
+};
+
+static const uint32_t gen8_datatype_table[32] = {
+   0b001000000000000000001,
+   0b001000000000001000000,
+   0b001000000000001000001,
+   0b001000000000011000001,
+   0b001000000000101011101,
+   0b001000000010111011101,
+   0b001000000011101000001,
+   0b001000000011101000101,
+   0b001000000011101011101,
+   0b001000001000001000001,
+   0b001000011000001000000,
+   0b001000011000001000001,
+   0b001000101000101000101,
+   0b001000111000101000100,
+   0b001000111000101000101,
+   0b001011100011101011101,
+   0b001011101011100011101,
+   0b001011101011101011100,
+   0b001011101011101011101,
+   0b001011111011101011100,
+   0b000000000010000001100,
+   0b001000000000001011101,
+   0b001000000000101000101,
+   0b001000001000001000000,
+   0b001000101000101000100,
+   0b001000111000100000100,
+   0b001001001001000001001,
+   0b001010111011101011101,
+   0b001011111011101011101,
+   0b001001111001101001100,
+   0b001001001001001001000,
+   0b001001011001001001000
+};
+
+static const uint16_t gen8_subreg_table[32] = {
+   0b000000000000000,
+   0b000000000000001,
+   0b000000000001000,
+   0b000000000001111,
+   0b000000000010000,
+   0b000000010000000,
+   0b000000100000000,
+   0b000000110000000,
+   0b000001000000000,
+   0b000001000010000,
+   0b000001010000000,
+   0b001000000000000,
+   0b001000000000001,
+   0b001000010000001,
+   0b001000010000010,
+   0b001000010000011,
+   0b001000010000100,
+   0b001000010000111,
+   0b001000010001000,
+   0b001000010001110,
+   0b001000010001111,
+   0b001000110000000,
+   0b001000111101000,
+   0b010000000000000,
+   0b010000110000000,
+   0b011000000000000,
+   0b011110010000111,
+   0b100000000000000,
+   0b101000000000000,
+   0b110000000000000,
+   0b111000000000000,
+   0b111000000011100
+};
+
+static const uint16_t gen8_src_index_table[32] = {
+   0b000000000000,
+   0b000000000010,
+   0b000000010000,
+   0b000000010010,
+   0b000000011000,
+   0b000000100000,
+   0b000000101000,
+   0b000001001000,
+   0b000001010000,
+   0b000001110000,
+   0b000001111000,
+   0b001100000000,
+   0b001100000010,
+   0b001100001000,
+   0b001100010000,
+   0b001100010010,
+   0b001100100000,
+   0b001100101000,
+   0b001100111000,
+   0b001101000000,
+   0b001101000010,
+   0b001101001000,
+   0b001101010000,
+   0b001101100000,
+   0b001101101000,
+   0b001101110000,
+   0b001101110001,
+   0b001101111000,
+   0b010001101000,
+   0b010001101001,
+   0b010001101010,
+   0b010110001000
+};
+
 static const uint32_t *control_index_table;
 static const uint32_t *datatype_table;
 static const uint16_t *subreg_table;
@@ -679,8 +819,18 @@ brw_init_compaction_tables(struct brw_context *brw)
    assert(gen7_datatype_table[ARRAY_SIZE(gen7_datatype_table) - 1] != 0);
    assert(gen7_subreg_table[ARRAY_SIZE(gen7_subreg_table) - 1] != 0);
    assert(gen7_src_index_table[ARRAY_SIZE(gen7_src_index_table) - 1] != 0);
+   assert(gen8_control_index_table[ARRAY_SIZE(gen8_control_index_table) - 1] != 0);
+   assert(gen8_datatype_table[ARRAY_SIZE(gen8_datatype_table) - 1] != 0);
+   assert(gen8_subreg_table[ARRAY_SIZE(gen8_subreg_table) - 1] != 0);
+   assert(gen8_src_index_table[ARRAY_SIZE(gen8_src_index_table) - 1] != 0);
 
    switch (brw->gen) {
+   case 8:
+      control_index_table = gen8_control_index_table;
+      datatype_table = gen8_datatype_table;
+      subreg_table = gen8_subreg_table;
+      src_index_table = gen8_src_index_table;
+      break;
    case 7:
       control_index_table = gen7_control_index_table;
       datatype_table = gen7_datatype_table;
-- 
1.8.5.5