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nak/legalize: Drop some pointless plop3 logic

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There is no restrictions on plop3 in terms of what sources can be
immediates vs. registers.  Also, since we fold constants, all of this
code is dead.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29591>
This commit is contained in:
Faith Ekstrand 2024-05-28 17:02:33 -05:00 • committed by Marge Bot
parent 37b55ee34f
commit c1203ef5d1
1 changed files with 0 additions and 17 deletions
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17
src/nouveau/compiler/nak/legalize.rs
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@ -725,23 +725,6 @@ fn legalize_sm70_instr(
src.src_ref = SrcRef::True;
}
}
let [ref mut src0, ref mut src1, ref mut src2] = op.srcs;
if !src_is_reg(src0) && src_is_reg(src1) {
std::mem::swap(src0, src1);
for lop in &mut op.ops {
*lop = LogicOp3::new_lut(&|x, y, z| lop.eval(y, x, z));
}
}
if !src_is_reg(src2) && src_is_reg(src1) {
std::mem::swap(src2, src1);
for lop in &mut op.ops {
*lop = LogicOp3::new_lut(&|x, y, z| lop.eval(x, z, y));
}
}
copy_alu_src_if_not_reg(b, src0, SrcType::Pred);
copy_alu_src_if_not_reg(b, src2, SrcType::Pred);
}
Op::FSwzAdd(op) => {
let [ref mut src0, ref mut src1] = op.srcs;