#include "brw_defines.h"
#include "brw_eu.h"
-#include "glsl/ralloc.h"
+#include "util/ralloc.h"
/**
* Converts a BRW_REGISTER_TYPE_* enum to a short string (F, UD, and so on).
[BRW_REGISTER_TYPE_UQ] = "UQ",
[BRW_REGISTER_TYPE_Q] = "Q",
};
- assert(type <= BRW_REGISTER_TYPE_UQ);
+ assert(type <= BRW_REGISTER_TYPE_Q);
return names[type];
}
+/* Returns a conditional modifier that negates the condition. */
+enum brw_conditional_mod
+brw_negate_cmod(uint32_t cmod)
+{
+ switch (cmod) {
+ case BRW_CONDITIONAL_Z:
+ return BRW_CONDITIONAL_NZ;
+ case BRW_CONDITIONAL_NZ:
+ return BRW_CONDITIONAL_Z;
+ case BRW_CONDITIONAL_G:
+ return BRW_CONDITIONAL_LE;
+ case BRW_CONDITIONAL_GE:
+ return BRW_CONDITIONAL_L;
+ case BRW_CONDITIONAL_L:
+ return BRW_CONDITIONAL_GE;
+ case BRW_CONDITIONAL_LE:
+ return BRW_CONDITIONAL_G;
+ default:
+ return ~0;
+ }
+}
+
/* Returns the corresponding conditional mod for swapping src0 and
* src1 in e.g. CMP.
*/
-uint32_t
+enum brw_conditional_mod
brw_swap_cmod(uint32_t cmod)
{
switch (cmod) {
case BRW_CONDITIONAL_LE:
return BRW_CONDITIONAL_GE;
default:
- return ~0;
+ return BRW_CONDITIONAL_NONE;
+ }
+}
+
+/**
+ * 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_predicate_control( struct brw_compile *p, unsigned pc )
+void
+brw_set_default_exec_size(struct brw_codegen *p, unsigned value)
+{
+ brw_inst_set_exec_size(p->devinfo, p->current, value);
+}
+
+void brw_set_default_predicate_control( struct brw_codegen *p, unsigned pc )
{
- brw_inst_set_pred_control(p->brw, p->current, pc);
+ brw_inst_set_pred_control(p->devinfo, p->current, pc);
}
-void brw_set_default_predicate_inverse(struct brw_compile *p, bool predicate_inverse)
+void brw_set_default_predicate_inverse(struct brw_codegen *p, bool predicate_inverse)
{
- brw_inst_set_pred_inv(p->brw, p->current, predicate_inverse);
+ brw_inst_set_pred_inv(p->devinfo, p->current, predicate_inverse);
}
-void brw_set_default_flag_reg(struct brw_compile *p, int reg, int subreg)
+void brw_set_default_flag_reg(struct brw_codegen *p, int reg, int subreg)
{
- if (p->brw->gen >= 7)
- brw_inst_set_flag_reg_nr(p->brw, p->current, reg);
+ if (p->devinfo->gen >= 7)
+ brw_inst_set_flag_reg_nr(p->devinfo, p->current, reg);
- brw_inst_set_flag_subreg_nr(p->brw, p->current, subreg);
+ brw_inst_set_flag_subreg_nr(p->devinfo, p->current, subreg);
}
-void brw_set_default_access_mode( struct brw_compile *p, unsigned access_mode )
+void brw_set_default_access_mode( struct brw_codegen *p, unsigned access_mode )
{
- brw_inst_set_access_mode(p->brw, p->current, access_mode);
+ brw_inst_set_access_mode(p->devinfo, p->current, access_mode);
}
void
-brw_set_default_compression_control(struct brw_compile *p,
+brw_set_default_compression_control(struct brw_codegen *p,
enum brw_compression compression_control)
{
- struct brw_context *brw = p->brw;
-
- p->compressed = (compression_control == BRW_COMPRESSION_COMPRESSED);
-
- if (brw->gen >= 6) {
+ if (p->devinfo->gen >= 6) {
/* Since we don't use the SIMD32 support in gen6, we translate
* the pre-gen6 compression control here.
*/
/* This is the "use the first set of bits of dmask/vmask/arf
* according to execsize" option.
*/
- brw_inst_set_qtr_control(brw, p->current, GEN6_COMPRESSION_1Q);
+ brw_inst_set_qtr_control(p->devinfo, p->current, GEN6_COMPRESSION_1Q);
break;
case BRW_COMPRESSION_2NDHALF:
/* For SIMD8, this is "use the second set of 8 bits." */
- brw_inst_set_qtr_control(brw, p->current, GEN6_COMPRESSION_2Q);
+ brw_inst_set_qtr_control(p->devinfo, p->current, GEN6_COMPRESSION_2Q);
break;
case BRW_COMPRESSION_COMPRESSED:
/* For SIMD16 instruction compression, use the first set of 16 bits
* since we don't do SIMD32 dispatch.
*/
- brw_inst_set_qtr_control(brw, p->current, GEN6_COMPRESSION_1H);
+ brw_inst_set_qtr_control(p->devinfo, p->current, GEN6_COMPRESSION_1H);
break;
default:
- assert(!"not reached");
- brw_inst_set_qtr_control(brw, p->current, GEN6_COMPRESSION_1H);
- break;
+ unreachable("not reached");
}
} else {
- brw_inst_set_qtr_control(brw, p->current, compression_control);
+ brw_inst_set_qtr_control(p->devinfo, p->current, compression_control);
}
}
-void brw_set_default_mask_control( struct brw_compile *p, unsigned value )
+/**
+ * Enable or disable instruction compression on the given instruction leaving
+ * the currently selected channel enable group untouched.
+ */
+void
+brw_inst_set_compression(const struct gen_device_info *devinfo,
+ brw_inst *inst, bool on)
{
- brw_inst_set_mask_control(p->brw, p->current, value);
+ if (devinfo->gen >= 6) {
+ /* No-op, the EU will figure out for us whether the instruction needs to
+ * be compressed.
+ */
+ } else {
+ /* The channel group and compression controls are non-orthogonal, there
+ * are two possible representations for uncompressed instructions and we
+ * may need to preserve the current one to avoid changing the selected
+ * channel group inadvertently.
+ */
+ if (on)
+ brw_inst_set_qtr_control(devinfo, inst, BRW_COMPRESSION_COMPRESSED);
+ else if (brw_inst_qtr_control(devinfo, inst)
+ == BRW_COMPRESSION_COMPRESSED)
+ brw_inst_set_qtr_control(devinfo, inst, BRW_COMPRESSION_NONE);
+ }
}
-void brw_set_default_saturate( struct brw_compile *p, bool enable )
+void
+brw_set_default_compression(struct brw_codegen *p, bool on)
{
- brw_inst_set_saturate(p->brw, p->current, enable);
+ brw_inst_set_compression(p->devinfo, p->current, on);
}
-void brw_set_default_acc_write_control(struct brw_compile *p, unsigned value)
+/**
+ * Apply the range of channel enable signals given by
+ * [group, group + exec_size) to the instruction passed as argument.
+ */
+void
+brw_inst_set_group(const struct gen_device_info *devinfo,
+ brw_inst *inst, unsigned group)
{
- struct brw_context *brw = p->brw;
+ if (devinfo->gen >= 7) {
+ assert(group % 4 == 0 && group < 32);
+ brw_inst_set_qtr_control(devinfo, inst, group / 8);
+ brw_inst_set_nib_control(devinfo, inst, (group / 4) % 2);
- if (brw->gen >= 6)
- brw_inst_set_acc_wr_control(p->brw, p->current, value);
+ } else if (devinfo->gen == 6) {
+ assert(group % 8 == 0 && group < 32);
+ brw_inst_set_qtr_control(devinfo, inst, group / 8);
+
+ } else {
+ assert(group % 8 == 0 && group < 16);
+ /* The channel group and compression controls are non-orthogonal, there
+ * are two possible representations for group zero and we may need to
+ * preserve the current one to avoid changing the selected compression
+ * enable inadvertently.
+ */
+ if (group == 8)
+ brw_inst_set_qtr_control(devinfo, inst, BRW_COMPRESSION_2NDHALF);
+ else if (brw_inst_qtr_control(devinfo, inst) == BRW_COMPRESSION_2NDHALF)
+ brw_inst_set_qtr_control(devinfo, inst, BRW_COMPRESSION_NONE);
+ }
+}
+
+void
+brw_set_default_group(struct brw_codegen *p, unsigned group)
+{
+ brw_inst_set_group(p->devinfo, p->current, group);
}
-void brw_push_insn_state( struct brw_compile *p )
+void brw_set_default_mask_control( struct brw_codegen *p, unsigned value )
+{
+ brw_inst_set_mask_control(p->devinfo, p->current, value);
+}
+
+void brw_set_default_saturate( struct brw_codegen *p, bool enable )
+{
+ brw_inst_set_saturate(p->devinfo, p->current, enable);
+}
+
+void brw_set_default_acc_write_control(struct brw_codegen *p, unsigned value)
+{
+ if (p->devinfo->gen >= 6)
+ brw_inst_set_acc_wr_control(p->devinfo, p->current, value);
+}
+
+void brw_push_insn_state( struct brw_codegen *p )
{
assert(p->current != &p->stack[BRW_EU_MAX_INSN_STACK-1]);
- memcpy(p->current+1, p->current, sizeof(struct brw_instruction));
- p->compressed_stack[p->current - p->stack] = p->compressed;
+ memcpy(p->current + 1, p->current, sizeof(brw_inst));
p->current++;
}
-void brw_pop_insn_state( struct brw_compile *p )
+void brw_pop_insn_state( struct brw_codegen *p )
{
assert(p->current != p->stack);
p->current--;
- p->compressed = p->compressed_stack[p->current - p->stack];
}
/***********************************************************************
*/
void
-brw_init_compile(struct brw_context *brw, struct brw_compile *p, void *mem_ctx)
+brw_init_codegen(const struct gen_device_info *devinfo,
+ struct brw_codegen *p, void *mem_ctx)
{
memset(p, 0, sizeof(*p));
- p->brw = brw;
+ p->devinfo = devinfo;
/*
* Set the initial instruction store array size to 1024, if found that
* isn't enough, then it will double the store size at brw_next_insn()
* until out of memory.
*/
p->store_size = 1024;
- p->store = rzalloc_array(mem_ctx, struct brw_instruction, p->store_size);
+ p->store = rzalloc_array(mem_ctx, brw_inst, p->store_size);
p->nr_insn = 0;
p->current = p->stack;
- p->compressed = false;
memset(p->current, 0, sizeof(p->current[0]));
p->mem_ctx = mem_ctx;
/* Some defaults?
*/
+ brw_set_default_exec_size(p, BRW_EXECUTE_8);
brw_set_default_mask_control(p, BRW_MASK_ENABLE); /* what does this do? */
brw_set_default_saturate(p, 0);
brw_set_default_compression_control(p, BRW_COMPRESSION_NONE);
p->loop_stack = rzalloc_array(mem_ctx, int, p->loop_stack_array_size);
p->if_depth_in_loop = rzalloc_array(mem_ctx, int, p->loop_stack_array_size);
- brw_init_compaction_tables(brw);
+ brw_init_compaction_tables(devinfo);
}
-const unsigned *brw_get_program( struct brw_compile *p,
+const unsigned *brw_get_program( struct brw_codegen *p,
unsigned *sz )
{
*sz = p->next_insn_offset;
}
void
-brw_disassemble(struct brw_context *brw,
+brw_disassemble(const struct gen_device_info *devinfo,
void *assembly, int start, int end, FILE *out)
{
- bool dump_hex = false;
+ bool dump_hex = (INTEL_DEBUG & DEBUG_HEX) != 0;
for (int offset = start; offset < end;) {
- struct brw_instruction *insn = assembly + offset;
- struct brw_instruction uncompacted;
- bool compacted = brw_inst_cmpt_control(brw, insn);
- fprintf(out, "0x%08x: ", offset);
+ brw_inst *insn = assembly + offset;
+ brw_inst uncompacted;
+ bool compacted = brw_inst_cmpt_control(devinfo, insn);
+ if (0)
+ fprintf(out, "0x%08x: ", offset);
if (compacted) {
- struct brw_compact_instruction *compacted = (void *)insn;
+ brw_compact_inst *compacted = (void *)insn;
if (dump_hex) {
fprintf(out, "0x%08x 0x%08x ",
((uint32_t *)insn)[1],
((uint32_t *)insn)[0]);
}
- brw_uncompact_instruction(brw, &uncompacted, compacted);
+ brw_uncompact_instruction(devinfo, &uncompacted, compacted);
insn = &uncompacted;
offset += 8;
} else {
offset += 16;
}
- brw_disassemble_inst(out, brw, insn, compacted);
+ 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 = 1, .ndst = 1, .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 gen_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 gen_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