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r600g: rearange exports

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This commit is contained in:
Christian König 2010-12-28 23:45:46 +01:00
parent c099fcd28a
commit 3a49b567cf
4 changed files with 130 additions and 65 deletions
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18
src/gallium/drivers/r600/eg_asm.c
View file

@ -32,10 +32,12 @@
int eg_bc_cf_build(struct r600_bc *bc, struct r600_bc_cf *cf)
{
unsigned id = cf->id;
unsigned end_of_program = bc->cf.prev == &cf->list;
switch (cf->inst) {
case (EG_V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU << 3):
case (EG_V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU_PUSH_BEFORE << 3):
assert(!end_of_program);
bc->bytecode[id++] = S_SQ_CF_ALU_WORD0_ADDR(cf->addr >> 1) |
S_SQ_CF_ALU_WORD0_KCACHE_MODE0(cf->kcache0_mode) |
S_SQ_CF_ALU_WORD0_KCACHE_BANK0(cf->kcache0_bank) |
@ -51,8 +53,9 @@ int eg_bc_cf_build(struct r600_bc *bc, struct r600_bc_cf *cf)
case EG_V_SQ_CF_WORD1_SQ_CF_INST_VTX:
bc->bytecode[id++] = S_SQ_CF_WORD0_ADDR(cf->addr >> 1);
bc->bytecode[id++] = S_SQ_CF_WORD1_CF_INST(cf->inst) |
S_SQ_CF_WORD1_BARRIER(1) |
S_SQ_CF_WORD1_COUNT((cf->ndw / 4) - 1);
S_SQ_CF_WORD1_BARRIER(1) |
S_SQ_CF_WORD1_COUNT((cf->ndw / 4) - 1) |
S_SQ_CF_WORD1_END_OF_PROGRAM(end_of_program);
break;
case EG_V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT:
case EG_V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT_DONE:
@ -65,8 +68,8 @@ int eg_bc_cf_build(struct r600_bc *bc, struct r600_bc_cf *cf)
S_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_Z(cf->output.swizzle_z) |
S_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_W(cf->output.swizzle_w) |
S_SQ_CF_ALLOC_EXPORT_WORD1_BARRIER(cf->output.barrier) |
S_SQ_CF_ALLOC_EXPORT_WORD1_CF_INST(cf->output.inst) |
S_SQ_CF_ALLOC_EXPORT_WORD1_END_OF_PROGRAM(cf->output.end_of_program);
S_SQ_CF_ALLOC_EXPORT_WORD1_CF_INST(cf->inst) |
S_SQ_CF_ALLOC_EXPORT_WORD1_END_OF_PROGRAM(end_of_program);
break;
case EG_V_SQ_CF_WORD1_SQ_CF_INST_JUMP:
case EG_V_SQ_CF_WORD1_SQ_CF_INST_ELSE:
@ -79,9 +82,10 @@ int eg_bc_cf_build(struct r600_bc *bc, struct r600_bc_cf *cf)
case EG_V_SQ_CF_WORD1_SQ_CF_INST_RETURN:
bc->bytecode[id++] = S_SQ_CF_WORD0_ADDR(cf->cf_addr >> 1);
bc->bytecode[id++] = S_SQ_CF_WORD1_CF_INST(cf->inst) |
S_SQ_CF_WORD1_BARRIER(1) |
S_SQ_CF_WORD1_COND(cf->cond) |
S_SQ_CF_WORD1_POP_COUNT(cf->pop_count);
S_SQ_CF_WORD1_BARRIER(1) |
S_SQ_CF_WORD1_COND(cf->cond) |
S_SQ_CF_WORD1_POP_COUNT(cf->pop_count) |
S_SQ_CF_WORD1_END_OF_PROGRAM(end_of_program);
break;
default:

158
src/gallium/drivers/r600/r600_asm.c
View file

@ -198,6 +198,26 @@ static void r600_bc_remove_cf(struct r600_bc *bc, struct r600_bc_cf *cf)
free(cf);
}
static void r600_bc_move_cf(struct r600_bc *bc, struct r600_bc_cf *cf, struct r600_bc_cf *prev)
{
unsigned new_id = prev->id + 2;
struct r600_bc_cf *other;
LIST_DEL(&cf->list);
LIST_FOR_EACH_ENTRY(other, &bc->cf, list) {
if (other->id > cf->id)
other->id -= 2;
if (other->id >= new_id)
other->id += 2;
if (other->cf_addr > cf->id)
other->cf_addr -= 2;
if (other->cf_addr >= new_id)
other->cf_addr += 2;
}
cf->id = new_id;
LIST_ADD(&cf->list, &prev->list);
}
int r600_bc_add_output(struct r600_bc *bc, const struct r600_bc_output *output)
{
int r;
@ -205,7 +225,7 @@ int r600_bc_add_output(struct r600_bc *bc, const struct r600_bc_output *output)
r = r600_bc_add_cf(bc);
if (r)
return r;
bc->cf_last->inst = output->inst;
bc->cf_last->inst = BC_INST(bc, V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT);
memcpy(&bc->cf_last->output, output, sizeof(struct r600_bc_output));
return 0;
}
@ -1149,9 +1169,11 @@ static enum cf_class get_cf_class(struct r600_bc_cf *cf)
static int r600_bc_cf_build(struct r600_bc *bc, struct r600_bc_cf *cf)
{
unsigned id = cf->id;
unsigned end_of_program = bc->cf.prev == &cf->list;
switch (get_cf_class(cf)) {
case CF_CLASS_ALU:
assert(!end_of_program);
bc->bytecode[id++] = S_SQ_CF_ALU_WORD0_ADDR(cf->addr >> 1) |
S_SQ_CF_ALU_WORD0_KCACHE_MODE0(cf->kcache0_mode) |
S_SQ_CF_ALU_WORD0_KCACHE_BANK0(cf->kcache0_bank) |
@ -1169,8 +1191,9 @@ static int r600_bc_cf_build(struct r600_bc *bc, struct r600_bc_cf *cf)
case CF_CLASS_VERTEX:
bc->bytecode[id++] = S_SQ_CF_WORD0_ADDR(cf->addr >> 1);
bc->bytecode[id++] = S_SQ_CF_WORD1_CF_INST(cf->inst) |
S_SQ_CF_WORD1_BARRIER(1) |
S_SQ_CF_WORD1_COUNT((cf->ndw / 4) - 1);
S_SQ_CF_WORD1_BARRIER(1) |
S_SQ_CF_WORD1_COUNT((cf->ndw / 4) - 1) |
S_SQ_CF_WORD1_END_OF_PROGRAM(end_of_program);
break;
case CF_CLASS_EXPORT:
bc->bytecode[id++] = S_SQ_CF_ALLOC_EXPORT_WORD0_RW_GPR(cf->output.gpr) |
@ -1182,15 +1205,16 @@ static int r600_bc_cf_build(struct r600_bc *bc, struct r600_bc_cf *cf)
S_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_Z(cf->output.swizzle_z) |
S_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_W(cf->output.swizzle_w) |
S_SQ_CF_ALLOC_EXPORT_WORD1_BARRIER(cf->output.barrier) |
S_SQ_CF_ALLOC_EXPORT_WORD1_CF_INST(cf->output.inst) |
S_SQ_CF_ALLOC_EXPORT_WORD1_END_OF_PROGRAM(cf->output.end_of_program);
S_SQ_CF_ALLOC_EXPORT_WORD1_CF_INST(cf->inst) |
S_SQ_CF_ALLOC_EXPORT_WORD1_END_OF_PROGRAM(end_of_program);
break;
case CF_CLASS_OTHER:
bc->bytecode[id++] = S_SQ_CF_WORD0_ADDR(cf->cf_addr >> 1);
bc->bytecode[id++] = S_SQ_CF_WORD1_CF_INST(cf->inst) |
S_SQ_CF_WORD1_BARRIER(1) |
S_SQ_CF_WORD1_COND(cf->cond) |
S_SQ_CF_WORD1_POP_COUNT(cf->pop_count);
S_SQ_CF_WORD1_BARRIER(1) |
S_SQ_CF_WORD1_COND(cf->cond) |
S_SQ_CF_WORD1_POP_COUNT(cf->pop_count) |
S_SQ_CF_WORD1_END_OF_PROGRAM(end_of_program);
break;
default:
@ -1209,6 +1233,7 @@ struct gpr_usage_range {
struct gpr_usage {
unsigned channels:4;
int32_t first_write;
int32_t last_write;
unsigned nranges;
struct gpr_usage_range *ranges;
};
@ -1222,28 +1247,33 @@ static struct gpr_usage_range* add_gpr_usage_range(struct gpr_usage *usage)
return &usage->ranges[usage->nranges-1];
}
static void notice_gpr_read(struct gpr_usage *usage, uint32_t id, unsigned chan)
static void notice_gpr_read(struct gpr_usage *usage, int32_t id, unsigned chan)
{
usage->channels |= 1 << chan;
usage->first_write = -1;
if (!usage->nranges) {
add_gpr_usage_range(usage)->start = -1;
struct gpr_usage_range* range = add_gpr_usage_range(usage);
range->replacement = -1;
range->start = -1;
range->end = -1;
}
usage->ranges[usage->nranges-1].end = id;
if (usage->ranges[usage->nranges-1].end < id)
usage->ranges[usage->nranges-1].end = id;
}
static void notice_gpr_rel_read(struct gpr_usage usage[128], uint32_t id, unsigned chan)
static void notice_gpr_rel_read(struct gpr_usage usage[128], int32_t id, unsigned chan)
{
unsigned i;
for (i = 0; i < 128; ++i)
notice_gpr_read(&usage[i], id, chan);
}
static void notice_gpr_write(struct gpr_usage *usage, uint32_t id, unsigned chan,
static void notice_gpr_write(struct gpr_usage *usage, int32_t id, unsigned chan,
int predicate, int prefered_replacement)
{
uint32_t start = usage->first_write != -1 ? usage->first_write : id;
int32_t start = usage->first_write != -1 ? usage->first_write : id;
usage->channels &= ~(1 << chan);
usage->last_write = id;
if (usage->channels) {
if (usage->first_write == -1)
usage->first_write = id;
@ -1258,12 +1288,12 @@ static void notice_gpr_write(struct gpr_usage *usage, uint32_t id, unsigned chan
}
}
static void notice_gpr_rel_write(struct gpr_usage usage[128], uint32_t id, unsigned chan)
static void notice_gpr_rel_write(struct gpr_usage usage[128], int32_t id, unsigned chan)
{
/* we can't know wich gpr is really used, so ignore it for now*/
}
static void notice_alu_src_gprs(struct r600_bc_alu *alu, struct gpr_usage usage[128], uint32_t id)
static void notice_alu_src_gprs(struct r600_bc_alu *alu, struct gpr_usage usage[128], int32_t id)
{
unsigned src, num_src;
@ -1281,7 +1311,7 @@ static void notice_alu_src_gprs(struct r600_bc_alu *alu, struct gpr_usage usage[
}
static void notice_alu_dst_gprs(struct r600_bc_alu *alu_first, struct gpr_usage usage[128],
uint32_t id, int predicate)
int32_t id, int predicate)
{
struct r600_bc_alu *alu;
for (alu = alu_first; alu; alu = LIST_ENTRY(struct r600_bc_alu, alu->list.next, list)) {
@ -1301,7 +1331,7 @@ static void notice_alu_dst_gprs(struct r600_bc_alu *alu_first, struct gpr_usage
}
static void notice_tex_gprs(struct r600_bc_tex *tex, struct gpr_usage usage[128],
uint32_t id, int predicate)
int32_t id, int predicate)
{
if (tex->src_rel) {
if (tex->src_sel_x < 4)
@ -1344,7 +1374,7 @@ static void notice_tex_gprs(struct r600_bc_tex *tex, struct gpr_usage usage[128]
}
static void notice_vtx_gprs(struct r600_bc_vtx *vtx, struct gpr_usage usage[128],
uint32_t id, int predicate)
int32_t id, int predicate)
{
notice_gpr_read(&usage[vtx->src_gpr], id, vtx->src_sel_x);
@ -1358,17 +1388,27 @@ static void notice_vtx_gprs(struct r600_bc_vtx *vtx, struct gpr_usage usage[128]
notice_gpr_write(&usage[vtx->dst_gpr], id, 3, predicate, -1);
}
static void notice_export_gprs(struct r600_bc_cf *cf, struct gpr_usage usage[128], uint32_t id)
static void notice_export_gprs(struct r600_bc_cf *cf, struct gpr_usage usage[128],
struct r600_bc_cf *export_cf[128], int32_t export_remap[128],
int32_t id)
{
//TODO handle other memory operations
struct gpr_usage *output = &usage[cf->output.gpr];
int32_t last_write = (output->last_write + 0x100) & ~0xFF;
if (last_write != id && !export_cf[cf->output.gpr]) {
export_cf[cf->output.gpr] = cf;
export_remap[cf->output.gpr] = last_write;
id = last_write;
}
if (cf->output.swizzle_x < 4)
notice_gpr_read(&usage[cf->output.gpr], id, cf->output.swizzle_x);
notice_gpr_read(output, id, cf->output.swizzle_x);
if (cf->output.swizzle_y < 4)
notice_gpr_read(&usage[cf->output.gpr], id, cf->output.swizzle_y);
notice_gpr_read(output, id, cf->output.swizzle_y);
if (cf->output.swizzle_z < 4)
notice_gpr_read(&usage[cf->output.gpr], id, cf->output.swizzle_z);
notice_gpr_read(output, id, cf->output.swizzle_z);
if (cf->output.swizzle_w < 4)
notice_gpr_read(&usage[cf->output.gpr], id, cf->output.swizzle_w);
notice_gpr_read(output, id, cf->output.swizzle_w);
}
static struct gpr_usage_range *find_src_range(struct gpr_usage *usage, int32_t id)
@ -1406,7 +1446,7 @@ static int is_intersection(struct gpr_usage_range* a, struct gpr_usage_range* b)
static int rate_replacement(struct gpr_usage *usage, struct gpr_usage_range* range)
{
unsigned i;
uint32_t best_start = 0x3FFFFFFF, best_end = 0x3FFFFFFF;
int32_t best_start = 0x3FFFFFFF, best_end = 0x3FFFFFFF;
for (i = 0; i < usage->nranges; ++i) {
if (usage->ranges[i].replacement != -1)
@ -1492,7 +1532,7 @@ static void find_replacement(struct gpr_usage usage[128], unsigned current, stru
}
}
static void replace_alu_gprs(struct r600_bc_alu *alu, struct gpr_usage usage[128], uint32_t id)
static void replace_alu_gprs(struct r600_bc_alu *alu, struct gpr_usage usage[128], int32_t id)
{
struct gpr_usage_range *range;
unsigned src, num_src;
@ -1522,7 +1562,7 @@ static void replace_alu_gprs(struct r600_bc_alu *alu, struct gpr_usage usage[128
}
}
static void replace_tex_gprs(struct r600_bc_tex *tex, struct gpr_usage usage[128], uint32_t id)
static void replace_tex_gprs(struct r600_bc_tex *tex, struct gpr_usage usage[128], int32_t id)
{
struct gpr_usage_range *range;
range = find_src_range(&usage[tex->src_gpr], id);
@ -1534,7 +1574,7 @@ static void replace_tex_gprs(struct r600_bc_tex *tex, struct gpr_usage usage[128
tex->dst_gpr = range->replacement;
}
static void replace_vtx_gprs(struct r600_bc_vtx *vtx, struct gpr_usage usage[128], uint32_t id)
static void replace_vtx_gprs(struct r600_bc_vtx *vtx, struct gpr_usage usage[128], int32_t id)
{
struct gpr_usage_range *range;
range = find_src_range(&usage[vtx->src_gpr], id);
@ -1546,13 +1586,15 @@ static void replace_vtx_gprs(struct r600_bc_vtx *vtx, struct gpr_usage usage[128
vtx->dst_gpr = range->replacement;
}
static void replace_export_gprs(struct r600_bc_cf *cf, struct gpr_usage usage[128], uint32_t id)
static void replace_export_gprs(struct r600_bc_cf *cf, struct gpr_usage usage[128], int32_t id)
{
//TODO handle other memory operations
struct gpr_usage_range *range;
range = find_src_range(&usage[cf->output.gpr], id);
if (range->replacement != -1)
cf->output.gpr = range->replacement;
cf->output.barrier = 1;
}
static void optimize_alu_inst(struct r600_bc_cf *cf, struct r600_bc_alu *alu)
@ -1610,18 +1652,23 @@ static void r600_bc_optimize(struct r600_bc *bc)
struct r600_bc_vtx *vtx;
struct r600_bc_tex *tex;
struct gpr_usage usage[128];
uint32_t id;
/* assume that each gpr is exported only once */
struct r600_bc_cf *export_cf[128] = { NULL };
int32_t export_remap[128];
int32_t id, stack_start_id = -1;
unsigned i, j, stack = 0, predicate;
memset(&usage, 0, sizeof(usage));
for (i = 0; i < 128; ++i)
for (i = 0; i < 128; ++i) {
usage[i].first_write = -1;
usage[i].last_write = -1;
}
/* first gather some informations about the gpr usage */
id = 0;
LIST_FOR_EACH_ENTRY(cf, &bc->cf, list) {
id += 0x100;
id &= ~0xFF;
switch (get_cf_class(cf)) {
case CF_CLASS_ALU:
predicate = 0;
@ -1656,8 +1703,8 @@ static void r600_bc_optimize(struct r600_bc *bc)
}
break;
case CF_CLASS_EXPORT:
notice_export_gprs(cf, usage, id);
break;
notice_export_gprs(cf, usage, export_cf, export_remap, id);
continue; // don't increment id
case CF_CLASS_OTHER:
switch (cf->inst) {
case V_SQ_CF_WORD1_SQ_CF_INST_JUMP:
@ -1674,6 +1721,20 @@ static void r600_bc_optimize(struct r600_bc *bc)
goto out;
}
}
/* ensue exports are placed outside of conditional blocks */
if (stack && stack_start_id == -1)
stack_start_id = id & ~0xFF;
else if (!stack && stack_start_id != -1) {
for (i = 0; i < 124; ++i) {
if ((usage[i].last_write & ~0xFF) >= stack_start_id) {
usage[i].last_write = id & ~0xFF;
}
}
stack_start_id = -1;
}
id += 0x100;
id &= ~0xFF;
}
assert(stack == 0);
@ -1699,8 +1760,6 @@ static void r600_bc_optimize(struct r600_bc *bc)
/* apply the changes */
id = 0;
LIST_FOR_EACH_ENTRY_SAFE(cf, next_cf, &bc->cf, list) {
id += 0x100;
id &= ~0xFF;
switch (get_cf_class(cf)) {
case CF_CLASS_ALU:
LIST_FOR_EACH_ENTRY_SAFE(alu, next_alu, &cf->alu, list) {
@ -1726,10 +1785,18 @@ static void r600_bc_optimize(struct r600_bc *bc)
break;
case CF_CLASS_EXPORT:
replace_export_gprs(cf, usage, id);
break;
continue; // don't increment id
case CF_CLASS_OTHER:
break;
}
id += 0x100;
id &= ~0xFF;
for (i = 0; i < 128; ++i) {
if (export_cf[i] && id == export_remap[i]) {
r600_bc_move_cf(bc, export_cf[i], cf);
replace_export_gprs(export_cf[i], usage, id);
}
}
}
out:
@ -1744,6 +1811,7 @@ int r600_bc_build(struct r600_bc *bc)
struct r600_bc_alu *alu;
struct r600_bc_vtx *vtx;
struct r600_bc_tex *tex;
struct r600_bc_cf *exports[4] = { NULL };
uint32_t literal[4];
unsigned nliteral;
unsigned addr;
@ -1782,6 +1850,8 @@ int r600_bc_build(struct r600_bc *bc)
break;
break;
case CF_CLASS_EXPORT:
if (cf->inst == BC_INST(bc, V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT))
exports[cf->output.type] = cf;
break;
case CF_CLASS_OTHER:
break;
@ -1793,6 +1863,14 @@ int r600_bc_build(struct r600_bc *bc)
addr += cf->ndw;
bc->ndw = cf->addr + cf->ndw;
}
/* set export done on last export of each type */
for (i = 0; i < 4; ++i) {
if (exports[i]) {
exports[i]->inst = BC_INST(bc, V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT_DONE);
}
}
free(bc->bytecode);
bc->bytecode = calloc(1, bc->ndw * 4);
if (bc->bytecode == NULL)
@ -1967,9 +2045,7 @@ void r600_bc_dump(struct r600_bc *bc)
fprintf(stderr, "SWIZ_W:%X ", cf->output.swizzle_w);
fprintf(stderr, "SWIZ_W:%X ", cf->output.swizzle_w);
fprintf(stderr, "BARRIER:%X ", cf->output.barrier);
fprintf(stderr, "INST:%d ", cf->output.inst);
fprintf(stderr, "EOP:%X\n", cf->output.end_of_program);
break;
fprintf(stderr, "INST:%d\n", cf->inst);
break;
case CF_CLASS_OTHER:
fprintf(stderr, "%04d %08X CF ", id, bc->bytecode[id]);

2
src/gallium/drivers/r600/r600_asm.h
View file

@ -108,8 +108,6 @@ struct r600_bc_vtx {
struct r600_bc_output {
unsigned array_base;
unsigned type;
unsigned end_of_program;
unsigned inst;
unsigned elem_size;
unsigned gpr;
unsigned swizzle_x;

17
src/gallium/drivers/r600/r600_shader.c
View file

@ -487,7 +487,7 @@ int r600_shader_from_tgsi(const struct tgsi_token *tokens, struct r600_shader *s
struct tgsi_full_immediate *immediate;
struct r600_shader_ctx ctx;
struct r600_bc_output output[32];
unsigned output_done, noutput;
unsigned noutput;
unsigned opcode;
int i, r = 0, pos0;
@ -606,7 +606,6 @@ int r600_shader_from_tgsi(const struct tgsi_token *tokens, struct r600_shader *s
output[i].barrier = i == 0;
output[i].type = V_SQ_CF_ALLOC_EXPORT_WORD0_SQ_EXPORT_PARAM;
output[i].array_base = i - pos0;
output[i].inst = BC_INST(ctx.bc, V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT);
switch (ctx.type) {
case TGSI_PROCESSOR_VERTEX:
if (shader->output[i].name == TGSI_SEMANTIC_POSITION) {
@ -669,7 +668,6 @@ int r600_shader_from_tgsi(const struct tgsi_token *tokens, struct r600_shader *s
output[i].barrier = 1;
output[i].type = V_SQ_CF_ALLOC_EXPORT_WORD0_SQ_EXPORT_PARAM;
output[i].array_base = 0;
output[i].inst = BC_INST(ctx.bc, V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT);
noutput++;
}
}
@ -685,19 +683,8 @@ int r600_shader_from_tgsi(const struct tgsi_token *tokens, struct r600_shader *s
output[0].barrier = 1;
output[0].type = V_SQ_CF_ALLOC_EXPORT_WORD0_SQ_EXPORT_PIXEL;
output[0].array_base = 0;
output[0].inst = BC_INST(ctx.bc, V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT);
noutput++;
}
/* set export done on last export of each type */
for (i = noutput - 1, output_done = 0; i >= 0; i--) {
if (i == (noutput - 1)) {
output[i].end_of_program = 1;
}
if (!(output_done & (1 << output[i].type))) {
output_done |= (1 << output[i].type);
output[i].inst = BC_INST(ctx.bc, V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT_DONE);
}
}
/* add output to bytecode */
for (i = 0; i < noutput; i++) {
r = r600_bc_add_output(ctx.bc, &output[i]);
@ -731,7 +718,7 @@ static int tgsi_src(struct r600_shader_ctx *ctx,
memset(r600_src, 0, sizeof(struct r600_bc_alu_src));
r600_src->neg = tgsi_src->Register.Negate;
r600_src->abs = tgsi_src->Register.Absolute;
if (tgsi_src->Register.File == TGSI_FILE_IMMEDIATE) {
if (tgsi_src->Register.File == TGSI_FILE_IMMEDIATE) {
int index;
if((tgsi_src->Register.SwizzleX == tgsi_src->Register.SwizzleY) &&
(tgsi_src->Register.SwizzleX == tgsi_src->Register.SwizzleZ) &&