KonstantinSeurer
/
mesa
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

i965: Use uint16_t for control/src index tables. 

No need to use 32-bits to store 15 and 12.

Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
This commit is contained in:
Matt Turner 2014-04-20 18:12:38 -07:00
parent f02f489295
commit fe49949392
1 changed files with 14 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
src/mesa/drivers/dri/i965/brw_eu_compact.c
View File

@ -110,7 +110,7 @@ static const uint32_t gen6_datatype_table[32] = {
0b001000001110111110,
};
static const uint32_t gen6_subreg_table[32] = {
static const uint16_t gen6_subreg_table[32] = {
0b000000000000000,
0b000000000000100,
0b000000110000000,
@ -145,7 +145,7 @@ static const uint32_t gen6_subreg_table[32] = {
0b000110000000000,
};
static const uint32_t gen6_src_index_table[32] = {
static const uint16_t gen6_src_index_table[32] = {
0b000000000000,
0b010110001000,
0b010001101000,
@ -250,7 +250,7 @@ static const uint32_t gen7_datatype_table[32] = {
0b001010110100101000
};
static const uint32_t gen7_subreg_table[32] = {
static const uint16_t gen7_subreg_table[32] = {
0b000000000000000,
0b000000000000001,
0b000000000001000,
@ -285,7 +285,7 @@ static const uint32_t gen7_subreg_table[32] = {
0b111000000011100
};
static const uint32_t gen7_src_index_table[32] = {
static const uint16_t gen7_src_index_table[32] = {
0b000000000000,
0b000000000010,
0b000000010000,
@ -322,8 +322,8 @@ static const uint32_t gen7_src_index_table[32] = {
static const uint32_t *control_index_table;
static const uint32_t *datatype_table;
static const uint32_t *subreg_table;
static const uint32_t *src_index_table;
static const uint16_t *subreg_table;
static const uint16_t *src_index_table;
static bool
set_control_index(struct brw_context *brw,
@ -374,7 +374,7 @@ static bool
set_subreg_index(struct brw_compact_instruction *dst,
struct brw_instruction *src)
{
uint32_t uncompacted = 0;
uint16_t uncompacted = 0;
uncompacted |= src->bits1.da1.dest_subreg_nr << 0;
uncompacted |= src->bits2.da1.src0_subreg_nr << 5;
@ -391,8 +391,8 @@ set_subreg_index(struct brw_compact_instruction *dst,
}
static bool
get_src_index(uint32_t uncompacted,
uint32_t *compacted)
get_src_index(uint16_t uncompacted,
uint16_t *compacted)
{
for (int i = 0; i < 32; i++) {
if (src_index_table[i] == uncompacted) {
@ -408,7 +408,7 @@ static bool
set_src0_index(struct brw_compact_instruction *dst,
struct brw_instruction *src)
{
uint32_t compacted, uncompacted = 0;
uint16_t compacted, uncompacted = 0;
uncompacted |= (src->bits2.ud >> 13) & 0xfff;
@ -425,7 +425,7 @@ static bool
set_src1_index(struct brw_compact_instruction *dst,
struct brw_instruction *src)
{
uint32_t compacted, uncompacted = 0;
uint16_t compacted, uncompacted = 0;
uncompacted |= (src->bits3.ud >> 13) & 0xfff;
@ -527,7 +527,7 @@ static void
set_uncompacted_subreg(struct brw_instruction *dst,
struct brw_compact_instruction *src)
{
uint32_t uncompacted = subreg_table[src->dw0.sub_reg_index];
uint16_t uncompacted = subreg_table[src->dw0.sub_reg_index];
dst->bits1.da1.dest_subreg_nr = (uncompacted >> 0) & 0x1f;
dst->bits2.da1.src0_subreg_nr = (uncompacted >> 5) & 0x1f;
@ -539,7 +539,7 @@ set_uncompacted_src0(struct brw_instruction *dst,
struct brw_compact_instruction *src)
{
uint32_t compacted = src->dw0.src0_index | src->dw1.src0_index << 2;
uint32_t uncompacted = src_index_table[compacted];
uint16_t uncompacted = src_index_table[compacted];
dst->bits2.ud |= uncompacted << 13;
}
@ -548,7 +548,7 @@ static void
set_uncompacted_src1(struct brw_instruction *dst,
struct brw_compact_instruction *src)
{
uint32_t uncompacted = src_index_table[src->dw1.src1_index];
uint16_t uncompacted = src_index_table[src->dw1.src1_index];
dst->bits3.ud |= uncompacted << 13;
}