else if (is_alu_vec_unit_inst(bc, alu))
trans = 0;
else if (assignment[chan])
- trans = 1; // assume ALU_INST_PREFER_VECTOR
+ trans = 1; /* Assume ALU_INST_PREFER_VECTOR. */
else
trans = 0;
if (trans) {
if (assignment[4]) {
- assert(0); //ALU.Trans has already been allocated
+ assert(0); /* ALU.Trans has already been allocated. */
return -1;
}
assignment[4] = alu;
} else {
if (assignment[chan]) {
- assert(0); //ALU.chan has already been allocated
+ assert(0); /* ALU.chan has already been allocated. */
return -1;
}
assignment[chan] = alu;
if (bs->hw_gpr[cycle][chan] == -1)
bs->hw_gpr[cycle][chan] = sel;
else if (bs->hw_gpr[cycle][chan] != (int)sel) {
- // Another scalar operation has already used GPR read port for channel
+ /* Another scalar operation has already used the GPR read port for the channel. */
return -1;
}
return 0;
return 0;
} else if (bs->hw_cfile_addr[res] == sel &&
bs->hw_cfile_elem[res] == chan)
- return 0; // Read for this scalar element already reserved, nothing to do here.
+ return 0; /* Read for this scalar element already reserved, nothing to do here. */
}
- // All cfile read ports are used, cannot reference vector element
+ /* All cfile read ports are used, cannot reference vector element. */
return -1;
}
static int is_cfile(unsigned sel)
{
return (sel > 255 && sel < 512) ||
- (sel > 511 && sel < 4607) || // Kcache before translate
- (sel > 127 && sel < 192); // Kcache after translate
+ (sel > 511 && sel < 4607) || /* Kcache before translation. */
+ (sel > 127 && sel < 192); /* Kcache after translation. */
}
static int is_const(int sel)
if (is_gpr(sel)) {
cycle = cycle_for_bank_swizzle_vec[bank_swizzle][src];
if (src == 1 && sel == alu->src[0].sel && elem == alu->src[0].chan)
- // Nothing to do; special-case optimization,
- // second source uses first source’s reservation
+ /* Nothing to do; special-case optimization,
+ * second source uses first source’s reservation. */
continue;
else {
r = reserve_gpr(bs, sel, elem, cycle);
if (r)
return r;
}
- // No restrictions on PV, PS, literal or special constants
+ /* No restrictions on PV, PS, literal or special constants. */
}
return 0;
}
for (const_count = 0, src = 0; src < num_src; ++src) {
sel = alu->src[src].sel;
elem = alu->src[src].chan;
- if (is_const(sel)) { // Any constant, including literal and inline constants
+ if (is_const(sel)) { /* Any constant, including literal and inline constants. */
if (const_count >= 2)
- // More than two references to a constant in
- // transcendental operation.
+ /* More than two references to a constant in
+ * transcendental operation. */
return -1;
else
const_count++;
if (is_gpr(sel)) {
cycle = cycle_for_bank_swizzle_scl[bank_swizzle][src];
if (cycle < const_count)
- // Cycle for GPR load conflicts with
- // constant load in transcendental operation.
+ /* Cycle for GPR load conflicts with
+ * constant load in transcendental operation. */
return -1;
r = reserve_gpr(bs, sel, elem, cycle);
if (r)
return r;
}
- // PV PS restrictions
+ /* PV PS restrictions */
if (const_count && (sel == 254 || sel == 255)) {
cycle = cycle_for_bank_swizzle_scl[bank_swizzle][src];
if (cycle < const_count)
if (forced)
return 0;
- // just check every possible combination of bank swizzle
- // not very efficent, but works on the first try in most of the cases
+ /* Just check every possible combination of bank swizzle.
+ * Not very efficent, but works on the first try in most of the cases. */
for (i = 0; i < 4; i++)
bank_swizzle[i] = SQ_ALU_VEC_012;
bank_swizzle[4] = SQ_ALU_SCL_210;
}
}
- // couldn't find a working swizzle
+ /* Couldn't find a working swizzle. */
return -1;
}
case -1:
*sel = V_SQ_ALU_SRC_M_1_INT;
break;
- case 0x3F800000: // 1.0f
+ case 0x3F800000: /* 1.0f */
*sel = V_SQ_ALU_SRC_1;
break;
- case 0x3F000000: // 0.5f
+ case 0x3F000000: /* 0.5f */
*sel = V_SQ_ALU_SRC_0_5;
break;
- case 0xBF800000: // -1.0f
+ case 0xBF800000: /* -1.0f */
*sel = V_SQ_ALU_SRC_1;
*neg ^= 1;
break;
- case 0xBF000000: // -0.5f
+ case 0xBF000000: /* -0.5f */
*sel = V_SQ_ALU_SRC_0_5;
*neg ^= 1;
break;
if (slots[i] && r600_bc_alu_nliterals(bc, slots[i], literal, &nliteral))
return 0;
- // let's check used slots
+ /* Let's check used slots. */
if (prev[i] && !slots[i]) {
result[i] = prev[i];
continue;
} else if (prev[i] && slots[i]) {
if (result[4] == NULL && prev[4] == NULL && slots[4] == NULL) {
- // trans unit is still free try to use it
+ /* Trans unit is still free try to use it. */
if (is_alu_any_unit_inst(bc, slots[i])) {
result[i] = prev[i];
result[4] = slots[i];
alu = slots[i];
num_once_inst += is_alu_once_inst(bc, alu);
- // let's check dst gpr
+ /* Let's check dst gpr. */
if (alu->dst.rel) {
if (have_mova)
return 0;
have_rel = 1;
}
- // let's check source gprs
+ /* Let's check source gprs */
num_src = r600_bc_get_num_operands(bc, alu);
for (src = 0; src < num_src; ++src) {
if (alu->src[src].rel) {
have_rel = 1;
}
- // constants doesn't matter
+ /* Constants don't matter. */
if (!is_gpr(alu->src[src].sel))
continue;
if (!prev[j] || !prev[j]->dst.write)
continue;
- // if it's relative then we can't determin which gpr is really used
+ /* If it's relative then we can't determin which gpr is really used. */
if (prev[j]->dst.chan == alu->src[src].chan &&
(prev[j]->dst.sel == alu->src[src].sel ||
prev[j]->dst.rel || alu->src[src].rel))
fprintf(stderr, "%04d %08X ", id, bc->bytecode[id]);
fprintf(stderr, "ENDIAN:%d ", vtx->endian);
fprintf(stderr, "OFFSET:%d\n", vtx->offset);
- //TODO
+ /* TODO */
id++;
fprintf(stderr, "%04d %08X \n", id, bc->bytecode[id]);
id++;
u32 *bytecode;
int i, r;
- /* vertex elements offset need special handling, if offset is bigger
- + * than what we can put in fetch instruction then we need to alterate
- * the vertex resource offset. In such case in order to simplify code
- * we will bound one resource per elements. It's a worst case scenario.
- */
+ /* Vertex element offsets need special handling. If the offset is
+ * bigger than what we can put in the fetch instruction we need to
+ * alter the vertex resource offset. In order to simplify code we
+ * will bind one resource per element in such cases. It's a worst
+ * case scenario. */
for (i = 0; i < ve->count; i++) {
ve->vbuffer_offset[i] = C_SQ_VTX_WORD2_OFFSET & elements[i].src_offset;
if (ve->vbuffer_offset[i]) {
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