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nak: encode Dst::None as RZ on SM50

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This case came up when testing VOTE, but likely occurs elsewhere.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26114>
This commit is contained in:
Benjamin Lee 2023-11-14 22:52:37 -08:00 • committed by Marge Bot
parent ebfd651361
commit 2d63f3dad6
1 changed files with 6 additions and 1 deletions
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7
src/nouveau/compiler/nak/encode_sm50.rs
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@ -179,7 +179,12 @@ impl SM50Instr {
}
fn set_dst(&mut self, dst: Dst) {
self.set_reg(0..8, *dst.as_reg().unwrap());
let reg = match dst {
Dst::None => RegRef::zero(RegFile::GPR, 1),
Dst::Reg(reg) => reg,
_ => panic!("invalid dst {dst}"),
};
self.set_reg(0..8, reg);
}
fn set_src_imm32(&mut self, range: Range<usize>, u: u32) {