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nak/calc_instr_deps: Rename a couple variables

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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29591>
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Faith Ekstrand 2024-06-03 18:14:48 -05:00 • committed by Marge Bot
parent b47b8643b7
commit 434af5b98b
1 changed files with 8 additions and 8 deletions
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16
src/nouveau/compiler/nak/calc_instr_deps.rs
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@ -467,22 +467,22 @@ fn assign_barriers(f: &mut Function, sm: u8) {
fn calc_delays(f: &mut Function, sm: u8) {
for b in f.blocks.iter_mut().rev() {
let mut cycle = 0_u32;
let mut ready = RegTracker::new(0_u32);
let mut bars_ready = [0_u32; 6];
let mut reads = RegTracker::new(0_u32);
let mut bars = [0_u32; 6];
for instr in b.instrs.iter_mut().rev() {
// TODO: co-issue
let mut min_start = cycle + instr.get_exec_latency(sm);
if let Some(bar) = instr.deps.rd_bar() {
min_start = max(min_start, bars_ready[usize::from(bar)] + 2);
min_start = max(min_start, bars[usize::from(bar)] + 2);
}
if let Some(bar) = instr.deps.wr_bar() {
min_start = max(min_start, bars_ready[usize::from(bar)] + 2);
min_start = max(min_start, bars[usize::from(bar)] + 2);
}
if instr.has_fixed_latency(sm) {
for (idx, dst) in instr.dsts().iter().enumerate() {
if let Dst::Reg(reg) = dst {
let latency = instr.get_dst_latency(sm, idx);
for c in &ready[*reg] {
for c in &reads[*reg] {
min_start = max(min_start, *c + latency);
}
}
@ -496,9 +496,9 @@ fn calc_delays(f: &mut Function, sm: u8) {
.unwrap();
instr.deps.set_delay(delay);
ready.for_each_instr_pred_mut(instr, |c| *c = min_start);
ready.for_each_instr_src_mut(instr, |c| *c = min_start);
for (bar, c) in bars_ready.iter_mut().enumerate() {
reads.for_each_instr_pred_mut(instr, |c| *c = min_start);
reads.for_each_instr_src_mut(instr, |c| *c = min_start);
for (bar, c) in bars.iter_mut().enumerate() {
if instr.deps.wt_bar_mask & (1 << bar) != 0 {
*c = min_start;
}