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nak: Use the simplified BAR.SYNC encoding

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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24998>
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Faith Ekstrand 2023-10-25 11:03:48 -05:00 • committed by Marge Bot
parent 4f2f9c6ab3
commit bc58620e1e
1 changed files with 19 additions and 17 deletions
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36
src/nouveau/compiler/nak_encode_sm75.rs
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@ -1695,27 +1695,29 @@ impl SM75Instr {
} }
fn encode_bar(&mut self, _op: &OpBar) { fn encode_bar(&mut self, _op: &OpBar) {
self.set_opcode(0x31d); self.set_opcode(0xb1d);
/* src0 == src1 */ // self.set_opcode(0x31d);
self.set_reg_src(32..40, SrcRef::Zero.into());
/* // /* src0 == src1 */
* 00: RED.POPC // self.set_reg_src(32..40, SrcRef::Zero.into());
* 01: RED.AND
* 02: RED.OR
*/
self.set_field(74..76, 0_u8);
/* // /*
* 00: SYNC // * 00: RED.POPC
* 01: ARV // * 01: RED.AND
* 02: RED // * 02: RED.OR
* 03: SCAN // */
*/ // self.set_field(74..76, 0_u8);
self.set_field(77..79, 0_u8);
self.set_pred_src(87..90, 90, SrcRef::True.into()); // /*
// * 00: SYNC
// * 01: ARV
// * 02: RED
// * 03: SCAN
// */
// self.set_field(77..79, 0_u8);
// self.set_pred_src(87..90, 90, SrcRef::True.into());
} }
fn encode_cs2r(&mut self, op: &OpCS2R) { fn encode_cs2r(&mut self, op: &OpCS2R) {