}
}
+/**
+ * Get the least significant bit offset of the i+1-th component of immediate
+ * type \p type. For \p i equal to the two's complement of j, return the
+ * offset of the j-th component starting from the end of the vector. For
+ * scalar register types return zero.
+ */
+static unsigned
+imm_shift(enum brw_reg_type type, unsigned i)
+{
+ assert(type != BRW_REGISTER_TYPE_UV && type != BRW_REGISTER_TYPE_V &&
+ "Not implemented.");
+
+ if (type == BRW_REGISTER_TYPE_VF)
+ return 8 * (i & 3);
+ else
+ return 0;
+}
+
+/**
+ * Swizzle an arbitrary immediate \p x of the given type according to the
+ * permutation specified as \p swz.
+ */
+uint32_t
+brw_swizzle_immediate(enum brw_reg_type type, uint32_t x, unsigned swz)
+{
+ if (imm_shift(type, 1)) {
+ const unsigned n = 32 / imm_shift(type, 1);
+ uint32_t y = 0;
+
+ for (unsigned i = 0; i < n; i++) {
+ /* Shift the specified component all the way to the right and left to
+ * discard any undesired L/MSBs, then shift it right into component i.
+ */
+ y |= x >> imm_shift(type, (i & ~3) + BRW_GET_SWZ(swz, i & 3))
+ << imm_shift(type, ~0u)
+ >> imm_shift(type, ~0u - i);
+ }
+
+ return y;
+ } else {
+ return x;
+ }
+}
+
void
brw_set_default_exec_size(struct brw_codegen *p, unsigned value)
{
brw_disassemble_inst(out, devinfo, insn, compacted);
}
}
+
+enum gen {
+ GEN4 = (1 << 0),
+ GEN45 = (1 << 1),
+ GEN5 = (1 << 2),
+ GEN6 = (1 << 3),
+ GEN7 = (1 << 4),
+ GEN75 = (1 << 5),
+ GEN8 = (1 << 6),
+ GEN9 = (1 << 7),
+ GEN_ALL = ~0
+};
+
+#define GEN_LT(gen) ((gen) - 1)
+#define GEN_GE(gen) (~GEN_LT(gen))
+#define GEN_LE(gen) (GEN_LT(gen) | (gen))
+
+static const struct opcode_desc opcode_10_descs[] = {
+ { .name = "dim", .nsrc = 0, .ndst = 0, .gens = GEN75 },
+ { .name = "smov", .nsrc = 0, .ndst = 0, .gens = GEN_GE(GEN8) },
+};
+
+static const struct opcode_desc opcode_35_descs[] = {
+ { .name = "iff", .nsrc = 0, .ndst = 0, .gens = GEN_LE(GEN5) },
+ { .name = "brc", .nsrc = 0, .ndst = 0, .gens = GEN_GE(GEN7) },
+};
+
+static const struct opcode_desc opcode_38_descs[] = {
+ { .name = "do", .nsrc = 0, .ndst = 0, .gens = GEN_LE(GEN5) },
+ { .name = "case", .nsrc = 0, .ndst = 0, .gens = GEN6 },
+};
+
+static const struct opcode_desc opcode_44_descs[] = {
+ { .name = "msave", .nsrc = 0, .ndst = 0, .gens = GEN_LE(GEN5) },
+ { .name = "call", .nsrc = 0, .ndst = 0, .gens = GEN_GE(GEN6) },
+};
+
+static const struct opcode_desc opcode_45_descs[] = {
+ { .name = "mrest", .nsrc = 0, .ndst = 0, .gens = GEN_LE(GEN5) },
+ { .name = "ret", .nsrc = 0, .ndst = 0, .gens = GEN_GE(GEN6) },
+};
+
+static const struct opcode_desc opcode_46_descs[] = {
+ { .name = "push", .nsrc = 0, .ndst = 0, .gens = GEN_LE(GEN5) },
+ { .name = "fork", .nsrc = 0, .ndst = 0, .gens = GEN6 },
+ { .name = "goto", .nsrc = 0, .ndst = 0, .gens = GEN_GE(GEN8) },
+};
+
+static const struct opcode_desc opcode_descs[128] = {
+ [BRW_OPCODE_ILLEGAL] = {
+ .name = "illegal", .nsrc = 0, .ndst = 0, .gens = GEN_ALL,
+ },
+ [BRW_OPCODE_MOV] = {
+ .name = "mov", .nsrc = 1, .ndst = 1, .gens = GEN_ALL,
+ },
+ [BRW_OPCODE_SEL] = {
+ .name = "sel", .nsrc = 2, .ndst = 1, .gens = GEN_ALL,
+ },
+ [BRW_OPCODE_MOVI] = {
+ .name = "movi", .nsrc = 2, .ndst = 1, .gens = GEN_GE(GEN45),
+ },
+ [BRW_OPCODE_NOT] = {
+ .name = "not", .nsrc = 1, .ndst = 1, .gens = GEN_ALL,
+ },
+ [BRW_OPCODE_AND] = {
+ .name = "and", .nsrc = 2, .ndst = 1, .gens = GEN_ALL,
+ },
+ [BRW_OPCODE_OR] = {
+ .name = "or", .nsrc = 2, .ndst = 1, .gens = GEN_ALL,
+ },
+ [BRW_OPCODE_XOR] = {
+ .name = "xor", .nsrc = 2, .ndst = 1, .gens = GEN_ALL,
+ },
+ [BRW_OPCODE_SHR] = {
+ .name = "shr", .nsrc = 2, .ndst = 1, .gens = GEN_ALL,
+ },
+ [BRW_OPCODE_SHL] = {
+ .name = "shl", .nsrc = 2, .ndst = 1, .gens = GEN_ALL,
+ },
+ [10] = {
+ .table = opcode_10_descs, .size = ARRAY_SIZE(opcode_10_descs),
+ },
+ /* Reserved - 11 */
+ [BRW_OPCODE_ASR] = {
+ .name = "asr", .nsrc = 2, .ndst = 1, .gens = GEN_ALL,
+ },
+ /* Reserved - 13-15 */
+ [BRW_OPCODE_CMP] = {
+ .name = "cmp", .nsrc = 2, .ndst = 1, .gens = GEN_ALL,
+ },
+ [BRW_OPCODE_CMPN] = {
+ .name = "cmpn", .nsrc = 2, .ndst = 1, .gens = GEN_ALL,
+ },
+ [BRW_OPCODE_CSEL] = {
+ .name = "csel", .nsrc = 3, .ndst = 1, .gens = GEN_GE(GEN8),
+ },
+ [BRW_OPCODE_F32TO16] = {
+ .name = "f32to16", .nsrc = 1, .ndst = 1, .gens = GEN7 | GEN75,
+ },
+ [BRW_OPCODE_F16TO32] = {
+ .name = "f16to32", .nsrc = 1, .ndst = 1, .gens = GEN7 | GEN75,
+ },
+ /* Reserved - 21-22 */
+ [BRW_OPCODE_BFREV] = {
+ .name = "bfrev", .nsrc = 1, .ndst = 1, .gens = GEN_GE(GEN7),
+ },
+ [BRW_OPCODE_BFE] = {
+ .name = "bfe", .nsrc = 3, .ndst = 1, .gens = GEN_GE(GEN7),
+ },
+ [BRW_OPCODE_BFI1] = {
+ .name = "bfi1", .nsrc = 2, .ndst = 1, .gens = GEN_GE(GEN7),
+ },
+ [BRW_OPCODE_BFI2] = {
+ .name = "bfi2", .nsrc = 3, .ndst = 1, .gens = GEN_GE(GEN7),
+ },
+ /* Reserved - 27-31 */
+ [BRW_OPCODE_JMPI] = {
+ .name = "jmpi", .nsrc = 0, .ndst = 0, .gens = GEN_ALL,
+ },
+ [33] = {
+ .name = "brd", .nsrc = 0, .ndst = 0, .gens = GEN_GE(GEN7),
+ },
+ [BRW_OPCODE_IF] = {
+ .name = "if", .nsrc = 0, .ndst = 0, .gens = GEN_ALL,
+ },
+ [35] = {
+ .table = opcode_35_descs, .size = ARRAY_SIZE(opcode_35_descs),
+ },
+ [BRW_OPCODE_ELSE] = {
+ .name = "else", .nsrc = 0, .ndst = 0, .gens = GEN_ALL,
+ },
+ [BRW_OPCODE_ENDIF] = {
+ .name = "endif", .nsrc = 0, .ndst = 0, .gens = GEN_ALL,
+ },
+ [38] = {
+ .table = opcode_38_descs, .size = ARRAY_SIZE(opcode_38_descs),
+ },
+ [BRW_OPCODE_WHILE] = {
+ .name = "while", .nsrc = 0, .ndst = 0, .gens = GEN_ALL,
+ },
+ [BRW_OPCODE_BREAK] = {
+ .name = "break", .nsrc = 0, .ndst = 0, .gens = GEN_ALL,
+ },
+ [BRW_OPCODE_CONTINUE] = {
+ .name = "cont", .nsrc = 0, .ndst = 0, .gens = GEN_ALL,
+ },
+ [BRW_OPCODE_HALT] = {
+ .name = "halt", .nsrc = 0, .ndst = 0, .gens = GEN_ALL,
+ },
+ [43] = {
+ .name = "calla", .nsrc = 0, .ndst = 0, .gens = GEN_GE(GEN75),
+ },
+ [44] = {
+ .table = opcode_44_descs, .size = ARRAY_SIZE(opcode_44_descs),
+ },
+ [45] = {
+ .table = opcode_45_descs, .size = ARRAY_SIZE(opcode_45_descs),
+ },
+ [46] = {
+ .table = opcode_46_descs, .size = ARRAY_SIZE(opcode_46_descs),
+ },
+ [47] = {
+ .name = "pop", .nsrc = 2, .ndst = 0, .gens = GEN_LE(GEN5),
+ },
+ [BRW_OPCODE_WAIT] = {
+ .name = "wait", .nsrc = 1, .ndst = 0, .gens = GEN_ALL,
+ },
+ [BRW_OPCODE_SEND] = {
+ .name = "send", .nsrc = 1, .ndst = 1, .gens = GEN_ALL,
+ },
+ [BRW_OPCODE_SENDC] = {
+ .name = "sendc", .nsrc = 1, .ndst = 1, .gens = GEN_ALL,
+ },
+ [BRW_OPCODE_SENDS] = {
+ .name = "sends", .nsrc = 2, .ndst = 1, .gens = GEN_GE(GEN9),
+ },
+ [BRW_OPCODE_SENDSC] = {
+ .name = "sendsc", .nsrc = 2, .ndst = 1, .gens = GEN_GE(GEN9),
+ },
+ /* Reserved 53-55 */
+ [BRW_OPCODE_MATH] = {
+ .name = "math", .nsrc = 2, .ndst = 1, .gens = GEN_GE(GEN6),
+ },
+ /* Reserved 57-63 */
+ [BRW_OPCODE_ADD] = {
+ .name = "add", .nsrc = 2, .ndst = 1, .gens = GEN_ALL,
+ },
+ [BRW_OPCODE_MUL] = {
+ .name = "mul", .nsrc = 2, .ndst = 1, .gens = GEN_ALL,
+ },
+ [BRW_OPCODE_AVG] = {
+ .name = "avg", .nsrc = 2, .ndst = 1, .gens = GEN_ALL,
+ },
+ [BRW_OPCODE_FRC] = {
+ .name = "frc", .nsrc = 1, .ndst = 1, .gens = GEN_ALL,
+ },
+ [BRW_OPCODE_RNDU] = {
+ .name = "rndu", .nsrc = 1, .ndst = 1, .gens = GEN_ALL,
+ },
+ [BRW_OPCODE_RNDD] = {
+ .name = "rndd", .nsrc = 1, .ndst = 1, .gens = GEN_ALL,
+ },
+ [BRW_OPCODE_RNDE] = {
+ .name = "rnde", .nsrc = 1, .ndst = 1, .gens = GEN_ALL,
+ },
+ [BRW_OPCODE_RNDZ] = {
+ .name = "rndz", .nsrc = 1, .ndst = 1, .gens = GEN_ALL,
+ },
+ [BRW_OPCODE_MAC] = {
+ .name = "mac", .nsrc = 2, .ndst = 1, .gens = GEN_ALL,
+ },
+ [BRW_OPCODE_MACH] = {
+ .name = "mach", .nsrc = 2, .ndst = 1, .gens = GEN_ALL,
+ },
+ [BRW_OPCODE_LZD] = {
+ .name = "lzd", .nsrc = 1, .ndst = 1, .gens = GEN_ALL,
+ },
+ [BRW_OPCODE_FBH] = {
+ .name = "fbh", .nsrc = 1, .ndst = 1, .gens = GEN_GE(GEN7),
+ },
+ [BRW_OPCODE_FBL] = {
+ .name = "fbl", .nsrc = 1, .ndst = 1, .gens = GEN_GE(GEN7),
+ },
+ [BRW_OPCODE_CBIT] = {
+ .name = "cbit", .nsrc = 1, .ndst = 1, .gens = GEN_GE(GEN7),
+ },
+ [BRW_OPCODE_ADDC] = {
+ .name = "addc", .nsrc = 2, .ndst = 1, .gens = GEN_GE(GEN7),
+ },
+ [BRW_OPCODE_SUBB] = {
+ .name = "subb", .nsrc = 2, .ndst = 1, .gens = GEN_GE(GEN7),
+ },
+ [BRW_OPCODE_SAD2] = {
+ .name = "sad2", .nsrc = 2, .ndst = 1, .gens = GEN_ALL,
+ },
+ [BRW_OPCODE_SADA2] = {
+ .name = "sada2", .nsrc = 2, .ndst = 1, .gens = GEN_ALL,
+ },
+ /* Reserved 82-83 */
+ [BRW_OPCODE_DP4] = {
+ .name = "dp4", .nsrc = 2, .ndst = 1, .gens = GEN_ALL,
+ },
+ [BRW_OPCODE_DPH] = {
+ .name = "dph", .nsrc = 2, .ndst = 1, .gens = GEN_ALL,
+ },
+ [BRW_OPCODE_DP3] = {
+ .name = "dp3", .nsrc = 2, .ndst = 1, .gens = GEN_ALL,
+ },
+ [BRW_OPCODE_DP2] = {
+ .name = "dp2", .nsrc = 2, .ndst = 1, .gens = GEN_ALL,
+ },
+ /* Reserved 88 */
+ [BRW_OPCODE_LINE] = {
+ .name = "line", .nsrc = 2, .ndst = 1, .gens = GEN_ALL,
+ },
+ [BRW_OPCODE_PLN] = {
+ .name = "pln", .nsrc = 2, .ndst = 1, .gens = GEN_GE(GEN45),
+ },
+ [BRW_OPCODE_MAD] = {
+ .name = "mad", .nsrc = 3, .ndst = 1, .gens = GEN_GE(GEN6),
+ },
+ [BRW_OPCODE_LRP] = {
+ .name = "lrp", .nsrc = 3, .ndst = 1, .gens = GEN_GE(GEN6),
+ },
+ [93] = {
+ .name = "madm", .nsrc = 3, .ndst = 1, .gens = GEN_GE(GEN8),
+ },
+ /* Reserved 94-124 */
+ [BRW_OPCODE_NENOP] = {
+ .name = "nenop", .nsrc = 0, .ndst = 0, .gens = GEN45,
+ },
+ [BRW_OPCODE_NOP] = {
+ .name = "nop", .nsrc = 0, .ndst = 0, .gens = GEN_ALL,
+ },
+};
+
+static enum gen
+gen_from_devinfo(const struct brw_device_info *devinfo)
+{
+ switch (devinfo->gen) {
+ case 4: return devinfo->is_g4x ? GEN45 : GEN4;
+ case 5: return GEN5;
+ case 6: return GEN6;
+ case 7: return devinfo->is_haswell ? GEN75 : GEN7;
+ case 8: return GEN8;
+ case 9: return GEN9;
+ default:
+ unreachable("not reached");
+ }
+}
+
+/* Return the matching opcode_desc for the specified opcode number and
+ * hardware generation, or NULL if the opcode is not supported by the device.
+ */
+const struct opcode_desc *
+brw_opcode_desc(const struct brw_device_info *devinfo, enum opcode opcode)
+{
+ if (opcode >= ARRAY_SIZE(opcode_descs))
+ return NULL;
+
+ enum gen gen = gen_from_devinfo(devinfo);
+ if (opcode_descs[opcode].gens != 0) {
+ if ((opcode_descs[opcode].gens & gen) != 0) {
+ return &opcode_descs[opcode];
+ }
+ } else if (opcode_descs[opcode].table != NULL) {
+ const struct opcode_desc *table = opcode_descs[opcode].table;
+ for (unsigned i = 0; i < opcode_descs[opcode].size; i++) {
+ if ((table[i].gens & gen) != 0) {
+ return &table[i];
+ }
+ }
+ }
+ return NULL;
+}
projects / mesa.git / blobdiff