Mesa (master): i965/gen8: Add 3-src instruction compaction tables.

[Matt Turner]

Module: Mesa
Branch: master
Commit: 3904d404a31488f729eacd9c40ebee2bb7239d94
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=3904d404a31488f729eacd9c40ebee2bb7239d94

Author: Matt Turner <mattst88 at gmail.com>
Date:   Sat Apr 19 13:38:59 2014 -0700

i965/gen8: Add 3-src instruction compaction tables.

Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>

---

 src/mesa/drivers/dri/i965/brw_eu_compact.c |   27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/src/mesa/drivers/dri/i965/brw_eu_compact.c b/src/mesa/drivers/dri/i965/brw_eu_compact.c
index ac7bcce..c047e58 100644
--- a/src/mesa/drivers/dri/i965/brw_eu_compact.c
+++ b/src/mesa/drivers/dri/i965/brw_eu_compact.c
@@ -461,6 +461,33 @@ static const uint16_t gen8_src_index_table[32] = {
    0b010110001000
 };
 
+/* This is actually the control index table for Cherryview (26 bits), but the
+ * only difference from Broadwell (24 bits) is that it has two extra 0-bits at
+ * the start.
+ *
+ * The low 24 bits have the same mappings on both hardware.
+ */
+static const uint32_t gen8_3src_control_index_table[4] = {
+   0b00100000000110000000000001,
+   0b00000000000110000000000001,
+   0b00000000001000000000000001,
+   0b00000000001000000000100001
+};
+
+/* This is actually the control index table for Cherryview (49 bits), but the
+ * only difference from Broadwell (46 bits) is that it has three extra 0-bits
+ * at the start.
+ *
+ * The low 44 bits have the same mappings on both hardware, and since the high
+ * three bits on Broadwell are zero, we can reuse Cherryview's table.
+ */
+static const uint64_t gen8_3src_source_index_table[4] = {
+   0b0000001110010011100100111001000001111000000000000,
+   0b0000001110010011100100111001000001111000000000010,
+   0b0000001110010011100100111001000001111000000001000,
+   0b0000001110010011100100111001000001111000000100000
+};
+
 static const uint32_t *control_index_table;
 static const uint32_t *datatype_table;
 static const uint16_t *subreg_table;