} else {
encoding |= sdwa.dst_sel.to_sdwa_sel(instr->definitions[0].physReg().byte()) << 8;
uint32_t dst_u = sdwa.dst_sel.sign_extend() ? 1 : 0;
- if (sdwa.dst_preserve)
+ if (instr->definitions[0].bytes() < 4) /* dst_preserve */
dst_u = 2;
encoding |= dst_u << 11;
encoding |= (sdwa.clamp ? 1 : 0) << 13;
sdwa->definitions[0] = Definition(tmp);
sdwa->sel[0] = SubdwordSel(src_bits / 8, 0, sign_extend);
sdwa->dst_sel = tmp.bytes() == 2 ? SubdwordSel::uword : SubdwordSel::dword;
- sdwa->dst_preserve = tmp.bytes() == 2;
bld.insert(std::move(sdwa));
} else {
assert(src_bits < 32);
}
sdwa.dst_sel = SubdwordSel(instr->definitions[0].bytes(), 0, false);
- sdwa.dst_preserve = sdwa.dst_sel.size() < 4;
if (instr->definitions[0].getTemp().type() == RegType::sgpr && chip == GFX8)
instr->definitions[0].setFixed(vcc);
SubdwordSel dst_sel;
bool neg[2];
bool abs[2];
- bool dst_preserve : 1;
bool clamp : 1;
uint8_t omod : 2; /* GFX9+ */
- uint8_t padding : 4;
+ uint8_t padding : 5;
};
static_assert(sizeof(SDWA_instruction) == sizeof(Instruction) + 8, "Unexpected padding");
sdwa->definitions[0] = dst;
sdwa->sel[0] = SubdwordSel(1, op.physReg().byte() + offset / 8, signext);
sdwa->dst_sel = SubdwordSel::uword;
- sdwa->dst_preserve = true;
bld.insert(std::move(sdwa));
}
break;
for i in range(min(num_operands, 2)):
res += 'instr->sel[{0}] = SubdwordSel(op{0}.op.bytes(), 0, false);'.format(i)
res += 'instr->dst_sel = SubdwordSel(def0.bytes(), 0, false);\n'
- res += 'if (def0.bytes() < 4) instr->dst_preserve = true;'
return res
return aSDWA.sel[0] == bSDWA.sel[0] && aSDWA.sel[1] == bSDWA.sel[1] &&
aSDWA.dst_sel == bSDWA.dst_sel && aSDWA.abs[0] == bSDWA.abs[0] &&
aSDWA.abs[1] == bSDWA.abs[1] && aSDWA.neg[0] == bSDWA.neg[0] &&
- aSDWA.neg[1] == bSDWA.neg[1] && aSDWA.dst_preserve == bSDWA.dst_preserve &&
- aSDWA.clamp == bSDWA.clamp && aSDWA.omod == bSDWA.omod;
+ aSDWA.neg[1] == bSDWA.neg[1] && aSDWA.clamp == bSDWA.clamp &&
+ aSDWA.omod == bSDWA.omod;
}
switch (a->format) {
memcpy(new_sdwa->sel, cmp_sdwa.sel, sizeof(new_sdwa->sel));
memcpy(new_sdwa->neg, cmp_sdwa.neg, sizeof(new_sdwa->neg));
new_sdwa->dst_sel = cmp_sdwa.dst_sel;
- new_sdwa->dst_preserve = cmp_sdwa.dst_preserve;
new_sdwa->clamp = cmp_sdwa.clamp;
new_sdwa->omod = cmp_sdwa.omod;
new_instr = new_sdwa;
default: break;
}
}
- if (sdwa.dst_preserve)
+ if (instr->definitions[0].bytes() < 4)
fprintf(output, " dst_preserve");
}
}
"SDWA definition selection size must be 1, 2 or 4 bytes", instr.get());
check(sdwa.dst_sel.offset() % sdwa.dst_sel.size() == 0, "Invalid selection offset",
instr.get());
- check(def.bytes() == 4 || sdwa.dst_preserve,
- "SDWA subdword definition needs dst_preserve", instr.get());
+ check(def.bytes() == 4 || def.bytes() == sdwa.dst_sel.size(),
+ "SDWA dst_sel size must be definition size for subdword definitions",
+ instr.get());
+ check(def.bytes() == 4 || sdwa.dst_sel.offset() == 0,
+ "SDWA dst_sel offset must be 0 for subdword definitions", instr.get());
}
for (unsigned i = 0; i < std::min<unsigned>(2, instr->operands.size()); i++) {
SDWA_instruction *sdwa = &bld.vop2_sdwa(aco_opcode::v_mul_f32, bld.def(v1), inputs[0], inputs[1]).instr->sdwa();
sdwa->neg[0] = sdwa->neg[1] = sdwa->abs[0] = sdwa->abs[1] = true;
- sdwa = &bld.vop2_sdwa(aco_opcode::v_mul_f32, bld.def(v1), inputs[0], inputs[1]).instr->sdwa();
- sdwa->dst_preserve = true;
- sdwa->dst_sel = SubdwordSel::ubyte0;
+ sdwa = &bld.vop2_sdwa(aco_opcode::v_mul_f32, bld.def(v1b), inputs[0], inputs[1]).instr->sdwa();
sdwa = &bld.vop2_sdwa(aco_opcode::v_mul_f32, bld.def(v1), inputs[0], inputs[1]).instr->sdwa();
sdwa->sel[0] = SubdwordSel::sbyte2;