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nak: Memory order/scope encodings for Ampere

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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24998>
This commit is contained in:
M Henning 2023-09-16 14:35:16 -04:00 • committed by Marge Bot
parent ad0743c948
commit 09d78e8572
1 changed files with 10 additions and 4 deletions
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14
src/nouveau/compiler/nak_encode_sm75.rs
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@ -1145,7 +1145,7 @@ impl SM75Instr {
}
fn set_mem_order_scope(&mut self, order: &MemOrder, scope: &MemScope) {
if self.sm <= 75 {
if self.sm < 80 {
self.set_field(
77..79,
match scope {
@ -1165,9 +1165,15 @@ impl SM75Instr {
},
);
} else {
assert!(*scope == MemScope::System);
assert!(*order == MemOrder::Strong);
self.set_field(77..81, 0xa_u8);
self.set_field(
77..81,
match (order, scope) {
(MemOrder::Weak, _) => 0x0_u8,
(MemOrder::Strong, MemScope::CTA) => 0x5_u8,
(MemOrder::Strong, MemScope::GPU) => 0x7_u8,
(MemOrder::Strong, MemScope::System) => 0xa_u8,
},
);
}
}