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nak/legalize: Handle the src0/1 source mod condition for OpIAdd3X

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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26535>
This commit is contained in:
Faith Ekstrand
2023-12-05 23:57:03 -06:00
committed by Marge Bot
parent b736cdcb83
commit 5335a59bff
1 changed files with 10 additions and 0 deletions
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10
src/nouveau/compiler/nak_legalize.rs
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@@ -140,6 +140,16 @@ fn legalize_instr(
let [ref mut src0, ref mut src1, ref mut src2] = op.srcs;
swap_srcs_if_not_reg(src0, src1);
swap_srcs_if_not_reg(src2, src1);
if !src0.src_mod.is_none() && !src1.src_mod.is_none() {
let val = b.alloc_ssa(RegFile::GPR, 1);
b.push_op(OpIAdd3X {
srcs: [Src::new_zero(), *src0, Src::new_zero()],
overflow: [Dst::None; 2],
dst: val.into(),
carry: [false.into(); 2],
});
*src0 = val.into();
}
copy_src_if_not_reg(b, src0, RegFile::GPR);
copy_src_if_not_reg(b, src2, RegFile::GPR);
}