m_dest->del_parent(this);
- for (int s = 0; s < m_alu_slots; ++s) {
+ int start_slot = 0;
+ bool is_dot = m_opcode == op2_dot || opcode() == op2_dot_ieee;
+ auto last_opcode = m_opcode;
+
+ if (is_dot) {
+ start_slot = m_dest->chan();
+ last_opcode = m_opcode == op2_dot ? op2_mul : op2_mul_ieee;
+ }
+
+
+ for (int k = 0; k < m_alu_slots; ++k) {
+ int s = k + start_slot;
PRegister dst = m_dest->chan() == s ? m_dest : vf.dummy_dest(s);
if (dst->pin() != pin_chgr) {
src.push_back(old_src);
}
- auto instr = new AluInstr(m_opcode, dst, src, {}, 1);
+ auto opcode = k < m_alu_slots -1 ? m_opcode : last_opcode;
+
+
+ auto instr = new AluInstr(opcode, dst, src, {}, 1);
instr->set_blockid(block_id(), index());
if (s == 0 || !m_alu_flags.test(alu_64bit_op)) {
static bool
emit_dot(const nir_alu_instr& alu, int nelm, Shader& shader);
static bool
+emit_dot4(const nir_alu_instr& alu, Shader& shader);
+static bool
emit_create_vec(const nir_alu_instr& instr, unsigned nc, Shader& shader);
static bool
case nir_op_fdot3:
return emit_dot(*alu, 3, shader);
case nir_op_fdot4:
- return emit_dot(*alu, 4, shader);
+ return emit_dot4(*alu, shader);
case nir_op_feq32:
case nir_op_feq:
const nir_alu_src& src0 = alu.src[0];
const nir_alu_src& src1 = alu.src[1];
- auto dest = value_factory.dest(alu.dest.dest, 0, pin_free);
+ auto dest = value_factory.dest(alu.dest.dest, 0, pin_chan);
- AluInstr::SrcValues srcs(8);
+ AluInstr::SrcValues srcs(2 * n);
for (int i = 0; i < n; ++i) {
srcs[2 * i] = value_factory.src(src0, i);
srcs[2 * i + 1] = value_factory.src(src1, i);
}
- for (int i = n; i < 4; ++i) {
- srcs[2 * i] = value_factory.zero();
- srcs[2 * i + 1] = value_factory.zero();
+ auto op =
+ unlikely(shader.has_flag(Shader::sh_legacy_math_rules)) ? op2_dot : op2_dot_ieee;
+ AluInstr *ir = new AluInstr(op, dest, srcs, AluInstr::last_write, n);
+
+ if (src0.negate)
+ ir->set_alu_flag(alu_src0_neg);
+ if (src0.abs)
+ ir->set_alu_flag(alu_src0_abs);
+ if (src1.negate)
+ ir->set_alu_flag(alu_src1_neg);
+ if (src1.abs)
+ ir->set_alu_flag(alu_src1_abs);
+
+ if (alu.dest.saturate)
+ ir->set_alu_flag(alu_dst_clamp);
+
+ shader.emit_instruction(ir);
+ return true;
+}
+
+static bool
+emit_dot4(const nir_alu_instr& alu, Shader& shader)
+{
+ auto& value_factory = shader.value_factory();
+ const nir_alu_src& src0 = alu.src[0];
+ const nir_alu_src& src1 = alu.src[1];
+
+ auto dest = value_factory.dest(alu.dest.dest, 0, pin_free);
+
+ AluInstr::SrcValues srcs(8);
+
+ for (int i = 0; i < 4; ++i) {
+ srcs[2 * i] = value_factory.src(src0, i);
+ srcs[2 * i + 1] = value_factory.src(src1, i);
}
auto op =
return true;
}
+
static bool
emit_fdph(const nir_alu_instr& alu, Shader& shader)
{