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nak: Use OpParCopy for OpVec and OpSplit lowering

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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24998>
This commit is contained in:
Faith Ekstrand 2023-04-10 17:23:25 -05:00 • committed by Marge Bot
parent df11e232d6
commit dadf34c620
1 changed files with 20 additions and 21 deletions
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41
src/nouveau/compiler/nak_ir.rs
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@ -2097,45 +2097,44 @@ impl Shader {
}))]
}
Op::Vec(vec) => {
let mut instrs = Vec::new();
let comps = u8::try_from(vec.srcs.len()).unwrap();
let vec_dst = vec.dst.as_reg().unwrap();
assert!(comps == vec_dst.comps());
let mut dsts = Vec::new();
for i in 0..comps {
let src = vec.srcs[usize::from(i)];
let dst = vec_dst.as_comp(i).unwrap();
match src.src_ref {
SrcRef::Reg(reg) => {
if reg == dst {
continue;
}
}
_ => (),
}
instrs.push(Instr::new_mov(dst.into(), src));
dsts.push(Dst::from(vec_dst.as_comp(i).unwrap()));
}
instrs
vec![Instr::new(Op::ParCopy(OpParCopy {
srcs: vec.srcs,
dsts: dsts,
}))]
}
Op::Split(split) => {
let mut instrs = Vec::new();
let comps = u8::try_from(split.dsts.len()).unwrap();
let vec_src = split.src.src_ref.as_reg().unwrap();
assert!(comps == vec_src.comps());
for i in 0..comps {
assert!(usize::from(vec_src.comps()) == split.dsts.len());
let mut dsts = Vec::new();
let mut srcs = Vec::new();
for (i, dst) in split.dsts.iter().enumerate() {
let i = u8::try_from(i).unwrap();
let src = vec_src.as_comp(i).unwrap();
let dst = split.dsts[usize::from(i)];
match dst {
Dst::None => continue,
Dst::Reg(reg) => {
if reg == src {
if *reg == src {
continue;
}
}
_ => (),
}
instrs.push(Instr::new_mov(dst.into(), src.into()));
dsts.push(*dst);
srcs.push(src.into());
}
instrs
vec![Instr::new(Op::ParCopy(OpParCopy {
srcs: srcs,
dsts: dsts,
}))]
}
Op::FSOut(out) => {
let mut instrs = Vec::new();