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nak: sm50: convert i2f 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 00:10:31 +00:00 • committed by Marge Bot
parent bfb091e227
commit cb9318b8ef
1 changed files with 20 additions and 23 deletions
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43
src/nouveau/compiler/nak/encode_sm50.rs
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@ -909,36 +909,33 @@ impl SM50Instr {
}
fn encode_i2f(&mut self, op: &OpI2F) {
let src_modifier = Some(ALUSrcsModifier {
src0_opt: None,
src1_opt: Some(ALUModifierInfo {
abs_bit: Some(49),
neg_bit: Some(45),
}),
src2_opt: None,
});
let encoding_info = ALUEncodingInfo {
opcode: 0xb8,
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);
let abs_bit = Some(49);
let neg_bit = Some(45);
self.encode_alu(
encoding_info,
Some(op.dst),
ALUSrc::None,
ALUSrc::from_src(&op.src.into()),
ALUSrc::None,
);
match &alu_src {
ALUSrc::None => panic!("Invalid source for I2F"),
ALUSrc::Imm32(imm) => {
self.set_opcode(0x38b8);
self.set_src_imm_i20(20..40, 56, *imm);
}
ALUSrc::Reg(reg) => {
self.set_opcode(0x5cb8);
self.set_alu_reg_src(20..28, abs_bit, neg_bit, &alu_src);
}
ALUSrc::CBuf(cbuf) => {
self.set_opcode(0x4cb8);
self.set_alu_cb(20..39, abs_bit, neg_bit, cbuf);
}
}
self.set_field(41..43, 0_u8); /* TODO: subop */
self.set_bit(13, op.src_type.is_signed());
self.set_field(8..10, (op.dst_type.bits() / 8).ilog2());
self.set_rnd_mode(39..41, op.rnd_mode);
self.set_field(10..12, (op.src_type.bits() / 8).ilog2());
self.set_dst(op.dst);
}
fn encode_f2f(&mut self, op: &OpF2F) {