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intel/fs/xe2+: Fix payload node live range calculations for change in register size.

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Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25020>
This commit is contained in:
Francisco Jerez 2022-07-07 14:01:29 -07:00 • committed by Jordan Justen
parent 2b7419d090
commit 571ddf8516
1 changed files with 16 additions and 10 deletions
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26
src/intel/compiler/brw_fs_reg_allocate.cpp
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@ -250,23 +250,29 @@ void fs_visitor::calculate_payload_ranges(unsigned payload_node_count,
*/
for (int i = 0; i < inst->sources; i++) {
if (inst->src[i].file == FIXED_GRF) {
unsigned node_nr = inst->src[i].nr;
if (node_nr >= payload_node_count)
unsigned reg_nr = inst->src[i].nr;
if (reg_nr / reg_unit(devinfo) >= payload_node_count)
continue;
for (unsigned j = 0; j < regs_read(inst, i); j++) {
payload_last_use_ip[node_nr + j] = use_ip;
assert(node_nr + j < payload_node_count);
for (unsigned j = reg_nr / reg_unit(devinfo);
j < DIV_ROUND_UP(reg_nr + regs_read(inst, i),
reg_unit(devinfo));
j++) {
payload_last_use_ip[j] = use_ip;
assert(j < payload_node_count);
}
}
}
if (inst->dst.file == FIXED_GRF) {
unsigned node_nr = inst->dst.nr;
if (node_nr < payload_node_count) {
for (unsigned j = 0; j < regs_written(inst); j++) {
payload_last_use_ip[node_nr + j] = use_ip;
assert(node_nr + j < payload_node_count);
unsigned reg_nr = inst->dst.nr;
if (reg_nr / reg_unit(devinfo) < payload_node_count) {
for (unsigned j = reg_nr / reg_unit(devinfo);
j < DIV_ROUND_UP(reg_nr + regs_written(inst),
reg_unit(devinfo));
j++) {
payload_last_use_ip[j] = use_ip;
assert(j < payload_node_count);
}
}
}