diff options
Diffstat (limited to 'src/panfrost')
| -rw-r--r-- | src/panfrost/midgard/midgard_schedule.c | 99 |
1 files changed, 47 insertions, 52 deletions
diff --git a/src/panfrost/midgard/midgard_schedule.c b/src/panfrost/midgard/midgard_schedule.c index bc71533ed9d..101896de211 100644 --- a/src/panfrost/midgard/midgard_schedule.c +++ b/src/panfrost/midgard/midgard_schedule.c @@ -373,27 +373,10 @@ mir_adjust_constants(midgard_instruction *ins, return true; unsigned r_constant = SSA_FIXED_REGISTER(REGISTER_CONSTANT); - midgard_reg_mode reg_mode = ins->alu.reg_mode; + midgard_reg_mode dst_mode = mir_typesize(ins); - midgard_vector_alu_src const_src = { }; - - if (ins->src[0] == r_constant) - const_src = vector_alu_from_unsigned(ins->alu.src1); - else if (ins->src[1] == r_constant) - const_src = vector_alu_from_unsigned(ins->alu.src2); - - unsigned type_size = mir_bytes_for_mode(reg_mode); - - /* If the ALU is converting up we need to divide type_size by 2 */ - if (const_src.half) - type_size /= 2; - - unsigned max_comp = 16 / type_size; - unsigned comp_mask = mir_from_bytemask(mir_bytemask_of_read_components(ins, r_constant), - reg_mode); - unsigned type_mask = (1 << type_size) - 1; unsigned bundle_constant_mask = pred->constant_mask; - unsigned comp_mapping[16] = { }; + unsigned comp_mapping[2][16] = { }; uint8_t bundle_constants[16]; memcpy(bundle_constants, pred->constants, 16); @@ -401,47 +384,59 @@ mir_adjust_constants(midgard_instruction *ins, /* Let's try to find a place for each active component of the constant * register. */ - for (unsigned comp = 0; comp < max_comp; comp++) { - if (!(comp_mask & (1 << comp))) + for (unsigned src = 0; src < 2; ++src) { + if (ins->src[src] != SSA_FIXED_REGISTER(REGISTER_CONSTANT)) continue; - uint8_t *constantp = ins->constants.u8 + (type_size * comp); - unsigned best_reuse_bytes = 0; - signed best_place = -1; - unsigned i, j; + midgard_reg_mode src_mode = mir_srcsize(ins, src); + unsigned type_size = mir_bytes_for_mode(src_mode); + unsigned max_comp = 16 / type_size; + unsigned comp_mask = mir_from_bytemask(mir_bytemask_of_read_components_index(ins, src), + dst_mode); + unsigned type_mask = (1 << type_size) - 1; - for (i = 0; i < 16; i += type_size) { - unsigned reuse_bytes = 0; + for (unsigned comp = 0; comp < max_comp; comp++) { + if (!(comp_mask & (1 << comp))) + continue; - for (j = 0; j < type_size; j++) { - if (!(bundle_constant_mask & (1 << (i + j)))) - continue; - if (constantp[j] != bundle_constants[i + j]) + uint8_t *constantp = ins->constants.u8 + (type_size * comp); + unsigned best_reuse_bytes = 0; + signed best_place = -1; + unsigned i, j; + + for (i = 0; i < 16; i += type_size) { + unsigned reuse_bytes = 0; + + for (j = 0; j < type_size; j++) { + if (!(bundle_constant_mask & (1 << (i + j)))) + continue; + if (constantp[j] != bundle_constants[i + j]) + break; + + reuse_bytes++; + } + + /* Select the place where existing bytes can be + * reused so we leave empty slots to others + */ + if (j == type_size && + (reuse_bytes > best_reuse_bytes || best_place < 0)) { + best_reuse_bytes = reuse_bytes; + best_place = i; break; - - reuse_bytes++; + } } - /* Select the place where existing bytes can be - * reused so we leave empty slots to others + /* This component couldn't fit in the remaining constant slot, + * no need check the remaining components, bail out now */ - if (j == type_size && - (reuse_bytes > best_reuse_bytes || best_place < 0)) { - best_reuse_bytes = reuse_bytes; - best_place = i; - break; - } - } + if (best_place < 0) + return false; - /* This component couldn't fit in the remaining constant slot, - * no need check the remaining components, bail out now - */ - if (best_place < 0) - return false; - - memcpy(&bundle_constants[i], constantp, type_size); - bundle_constant_mask |= type_mask << best_place; - comp_mapping[comp] = best_place / type_size; + memcpy(&bundle_constants[i], constantp, type_size); + bundle_constant_mask |= type_mask << best_place; + comp_mapping[src][comp] = best_place / type_size; + } } /* If non-destructive, we're done */ @@ -455,7 +450,7 @@ mir_adjust_constants(midgard_instruction *ins, /* Use comp_mapping as a swizzle */ mir_foreach_src(ins, s) { if (ins->src[s] == r_constant) - mir_compose_swizzle(ins->swizzle[s], comp_mapping, ins->swizzle[s]); + mir_compose_swizzle(ins->swizzle[s], comp_mapping[s], ins->swizzle[s]); } return true; |