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nak: sm50: Rewrite fmnmx 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 2023-10-21 16:05:21 -05:00 • committed by Marge Bot
parent 01c7f16755
commit b7bc6cebaa
1 changed files with 19 additions and 27 deletions
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46
src/nouveau/compiler/nak/encode_sm50.rs
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@ -1627,34 +1627,26 @@ impl SM50Instr {
assert!(op.srcs[0].is_reg_or_zero());
assert!(op.srcs[1].is_reg_or_zero());
let src_modifier = Some(ALUSrcsModifier {
src0_opt: Some(ALUModifierInfo {
abs_bit: Some(46),
neg_bit: Some(48),
}),
src1_opt: Some(ALUModifierInfo {
abs_bit: Some(49),
neg_bit: Some(45),
}),
src2_opt: None,
});
let encoding_info = ALUEncodingInfo {
opcode: 0x60,
encoding_type: ALUEncodingType::Variant4,
reg_modifier: src_modifier,
imm24_modifier: src_modifier,
cbuf_modifier: src_modifier,
imm32_behavior_opt: None,
};
self.encode_alu(
encoding_info,
Some(op.dst),
ALUSrc::from_src(&op.srcs[0]),
ALUSrc::from_src(&op.srcs[1]),
ALUSrc::None,
);
let alu_src_1 = ALUSrc::from_src(&op.srcs[1]);
let alu_src_0 = ALUSrc::from_src(&op.srcs[0]);
match &alu_src_1 {
ALUSrc::None => panic!("Invalid source for FMNMX"),
ALUSrc::Imm32(imm32) => {
self.set_opcode(0x3860);
self.set_src_imm_f20(20..40, 56, *imm32);
}
ALUSrc::Reg(reg) => {
self.set_opcode(0x5c60);
self.set_alu_reg_src(20..28, Some(49), Some(45), &alu_src_1);
}
ALUSrc::CBuf(cbuf) => {
self.set_opcode(0x4c60);
self.set_alu_cb(20..39, Some(49), Some(45), cbuf);
}
}
self.set_alu_reg_src(8..16, Some(46), Some(48), &alu_src_0);
self.set_dst(op.dst);
self.set_pred_src(39..42, 42, op.min);
self.set_bit(44, false); /* TODO: FMZ */
}