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nak: Handle modifiers in dedup_srcs() in opt_lop()

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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24998>
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Faith Ekstrand 2023-09-22 12:34:25 -05:00 • committed by Marge Bot
parent 1b6962eb7e
commit 66c9c40f68
1 changed files with 24 additions and 8 deletions
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28
src/nouveau/compiler/nak_opt_lop.rs
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@ -72,14 +72,30 @@ impl LopPass {
} }
fn dedup_srcs(&self, op: &mut LogicOp, srcs: &[Src; 3]) { fn dedup_srcs(&self, op: &mut LogicOp, srcs: &[Src; 3]) {
if srcs[0].src_ref == srcs[1].src_ref { for i in 0..2 {
*op = LogicOp::new_lut(&|x, _, z| op.eval(x, x, z)) for j in (i + 1)..3 {
if srcs[i].src_ref == srcs[j].src_ref {
*op = LogicOp::new_lut(&|x, y, z| {
let dup = [x, y, z][i];
let si = match srcs[i].src_mod {
SrcMod::None => dup,
SrcMod::BNot => !dup,
_ => panic!("Not a bitwise modifer"),
};
let sj = match srcs[j].src_mod {
SrcMod::None => dup,
SrcMod::BNot => !dup,
_ => panic!("Not a bitwise modifer"),
};
let mut s = [x, y, z];
s[i] = si;
s[j] = sj;
op.eval(s[0], s[1], s[2])
});
} }
if srcs[0].src_ref == srcs[2].src_ref {
*op = LogicOp::new_lut(&|x, y, _| op.eval(x, y, x))
} }
if srcs[1].src_ref == srcs[2].src_ref {
*op = LogicOp::new_lut(&|x, y, _| op.eval(x, y, y))
} }
} }