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nak: sm50: rewrite encode_popc to not use encode_alu()

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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26114>
This commit is contained in:
Daniel Almeida 2023-11-12 02:16:45 +00:00 • committed by Marge Bot
parent 78efdf9755
commit 63c85c9cf7
1 changed files with 18 additions and 21 deletions
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39
src/nouveau/compiler/nak/encode_sm50.rs
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@ -1558,30 +1558,27 @@ impl SM50Instr {
fn encode_popc(&mut self, op: &OpPopC) {
assert!(op.src.is_reg_or_zero());
let src_modifier = Some(ALUSrcsModifier {
src0_opt: None,
src1_opt: None,
src2_opt: None,
});
let encoding_info = ALUEncodingInfo {
opcode: 0x08,
encoding_type: ALUEncodingType::Variant4,
reg_modifier: src_modifier,
imm24_modifier: src_modifier,
cbuf_modifier: src_modifier,
imm32_behavior_opt: None,
};
let alu_src = ALUSrc::from_src(&op.src);
self.encode_alu(
encoding_info,
Some(op.dst),
ALUSrc::None,
ALUSrc::from_src(&op.src),
ALUSrc::None,
);
match &alu_src {
ALUSrc::None => panic!("Invalid source for POPC"),
ALUSrc::Imm32(imm) => {
self.set_opcode(0x3808);
self.set_src_imm_i20(20..40, 56, *imm);
}
ALUSrc::Reg(reg) => {
self.set_opcode(0x5c08);
self.set_alu_reg_src(20..28, None, None, &alu_src);
}
ALUSrc::CBuf(cbuf) => {
self.set_opcode(0x4c08);
self.set_alu_cb(20..39, None, None, cbuf);
}
}
let not_mod = matches!(op.src.src_mod, SrcMod::BNot);
self.set_field(40..41, not_mod)
self.set_bit(40, not_mod);
self.set_dst(op.dst);
}
fn encode_fadd(&mut self, op: &OpFAdd) {