fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-01-03 18:00:10 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

pco: uncoalesce vecs that can't be propagated

Browse source 
Signed-off-by: Simon Perretta <simon.perretta@imgtec.com>
Acked-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36412>
This commit is contained in:
Simon Perretta 2025-05-27 19:48:24 +01:00 • committed by Marge Bot
parent 12979f2ba7
commit d9e5183875
1 changed files with 41 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

51
src/imagination/pco/pco_ra.c
View file

@ -107,6 +107,7 @@ static void preproc_vecs(pco_func *func)
BITSET_WORDS(num_ssas));
struct hash_table_u64 *elem_uses = _mesa_hash_table_u64_create(mem_ctx);
bool needs_reindex = false;
pco_foreach_instr_in_func (instr, func) {
if (instr->op != PCO_OP_VEC)
continue;
@ -156,20 +157,50 @@ static void preproc_vecs(pco_func *func)
util_dynarray_foreach (uses, pco_use, use) {
b.cursor = pco_cursor_before_instr(use->instr);
pco_ref dest = pco_ref_new_ssa_clone(func, var);
assert(pco_ref_get_chans(var) <= 4);
pco_mbyp(&b,
dest,
var,
.exec_cnd = pco_instr_has_exec_cnd(producer)
? pco_instr_get_exec_cnd(producer)
: PCO_EXEC_CND_E1_ZX,
.rpt = pco_ref_get_chans(var));
*use->ref = dest;
if (pco_ref_get_chans(var) <= 4) {
pco_ref dest = pco_ref_new_ssa_clone(func, var);
pco_mbyp(&b,
dest,
var,
.exec_cnd = pco_instr_has_exec_cnd(producer)
? pco_instr_get_exec_cnd(producer)
: PCO_EXEC_CND_E1_ZX,
.rpt = pco_ref_get_chans(var));
*use->ref = dest;
} else {
assert(use->instr->op == PCO_OP_VEC && producer->op == PCO_OP_VEC);
pco_instr *instr =
pco_instr_create(func,
1,
use->instr->num_srcs + producer->num_srcs - 1);
instr->op = PCO_OP_VEC;
instr->dest[0] = use->instr->dest[0];
unsigned num_srcs = 0;
for (unsigned s = 0; s < use->instr->num_srcs; ++s) {
if (&use->instr->src[s] != use->ref) {
instr->src[num_srcs++] = use->instr->src[s];
} else {
for (unsigned t = 0; t < producer->num_srcs; ++t)
instr->src[num_srcs++] = producer->src[t];
}
}
pco_instr_set_exec_cnd(instr, pco_instr_get_exec_cnd(use->instr));
pco_builder_insert_instr(&b, instr);
pco_instr_delete(use->instr);
needs_reindex = true;
}
}
}
ralloc_free(mem_ctx);
if (needs_reindex)
pco_index(func->parent_shader, false);
}
typedef struct _pco_copy {