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intel/fs: Add DWord scattered read/write opcodes

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Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com>
This commit is contained in:
Jason Ekstrand
2015-04-08 02:41:33 -07:00
committed by Jason Ekstrand
parent 83f04d80b0
commit a0999bc049
5 changed files with 66 additions and 0 deletions
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31
src/intel/compiler/brw_eu.h
View File

@@ -697,6 +697,37 @@ brw_dp_byte_scattered_rw_desc(const struct gen_device_info *devinfo,
return brw_dp_surface_desc(devinfo, msg_type, msg_control);
}
static inline uint32_t
brw_dp_dword_scattered_rw_desc(const struct gen_device_info *devinfo,
unsigned exec_size,
bool write)
{
assert(exec_size == 8 || exec_size == 16);
unsigned msg_type;
if (write) {
if (devinfo->gen >= 6) {
msg_type = GEN6_DATAPORT_WRITE_MESSAGE_DWORD_SCATTERED_WRITE;
} else {
msg_type = BRW_DATAPORT_WRITE_MESSAGE_DWORD_SCATTERED_WRITE;
}
} else {
if (devinfo->gen >= 7) {
msg_type = GEN7_DATAPORT_DC_DWORD_SCATTERED_READ;
} else if (devinfo->gen > 4 || devinfo->is_g4x) {
msg_type = G45_DATAPORT_READ_MESSAGE_DWORD_SCATTERED_READ;
} else {
msg_type = BRW_DATAPORT_READ_MESSAGE_DWORD_SCATTERED_READ;
}
}
const unsigned msg_control =
SET_BITS(1, 1, 1) | /* Legacy SIMD Mode */
SET_BITS(exec_size == 16, 0, 0);
return brw_dp_surface_desc(devinfo, msg_type, msg_control);
}
static inline uint32_t
brw_dp_a64_untyped_surface_rw_desc(const struct gen_device_info *devinfo,
unsigned exec_size, /**< 0 for SIMD4x2 */

2
src/intel/compiler/brw_eu_defines.h
View File

@@ -446,6 +446,8 @@ enum opcode {
*/
SHADER_OPCODE_BYTE_SCATTERED_READ_LOGICAL,
SHADER_OPCODE_BYTE_SCATTERED_WRITE_LOGICAL,
SHADER_OPCODE_DWORD_SCATTERED_READ_LOGICAL,
SHADER_OPCODE_DWORD_SCATTERED_WRITE_LOGICAL,
/**
* Memory fence messages.

25
src/intel/compiler/brw_fs.cpp
View File

@@ -925,6 +925,7 @@ fs_inst::components_read(unsigned i) const
}
case SHADER_OPCODE_BYTE_SCATTERED_READ_LOGICAL:
case SHADER_OPCODE_DWORD_SCATTERED_READ_LOGICAL:
/* Scattered logical opcodes use the following params:
* src[0] Surface coordinates
* src[1] Surface operation source (ignored for reads)
@@ -937,6 +938,7 @@ fs_inst::components_read(unsigned i) const
return i == SURFACE_LOGICAL_SRC_DATA ? 0 : 1;
case SHADER_OPCODE_BYTE_SCATTERED_WRITE_LOGICAL:
case SHADER_OPCODE_DWORD_SCATTERED_WRITE_LOGICAL:
assert(src[SURFACE_LOGICAL_SRC_IMM_DIMS].file == IMM &&
src[SURFACE_LOGICAL_SRC_IMM_ARG].file == IMM);
return 1;
@@ -5462,6 +5464,13 @@ lower_surface_logical_send(const fs_builder &bld, fs_inst *inst)
sfid = GEN7_SFID_DATAPORT_DATA_CACHE;
break;
case SHADER_OPCODE_DWORD_SCATTERED_READ_LOGICAL:
case SHADER_OPCODE_DWORD_SCATTERED_WRITE_LOGICAL:
sfid = devinfo->gen >= 7 ? GEN7_SFID_DATAPORT_DATA_CACHE :
devinfo->gen >= 6 ? GEN6_SFID_DATAPORT_RENDER_CACHE :
BRW_DATAPORT_READ_TARGET_RENDER_CACHE;
break;
case SHADER_OPCODE_UNTYPED_SURFACE_READ_LOGICAL:
case SHADER_OPCODE_UNTYPED_SURFACE_WRITE_LOGICAL:
case SHADER_OPCODE_UNTYPED_ATOMIC_LOGICAL:
@@ -5515,6 +5524,18 @@ lower_surface_logical_send(const fs_builder &bld, fs_inst *inst)
true /* write */);
break;
case SHADER_OPCODE_DWORD_SCATTERED_READ_LOGICAL:
assert(arg.ud == 32); /* bit_size */
desc = brw_dp_dword_scattered_rw_desc(devinfo, inst->exec_size,
false /* write */);
break;
case SHADER_OPCODE_DWORD_SCATTERED_WRITE_LOGICAL:
assert(arg.ud == 32); /* bit_size */
desc = brw_dp_dword_scattered_rw_desc(devinfo, inst->exec_size,
true /* write */);
break;
case SHADER_OPCODE_UNTYPED_ATOMIC_LOGICAL:
desc = brw_dp_untyped_atomic_desc(devinfo, inst->exec_size,
arg.ud, /* atomic_op */
@@ -5874,6 +5895,8 @@ fs_visitor::lower_logical_sends()
case SHADER_OPCODE_UNTYPED_SURFACE_WRITE_LOGICAL:
case SHADER_OPCODE_BYTE_SCATTERED_READ_LOGICAL:
case SHADER_OPCODE_BYTE_SCATTERED_WRITE_LOGICAL:
case SHADER_OPCODE_DWORD_SCATTERED_READ_LOGICAL:
case SHADER_OPCODE_DWORD_SCATTERED_WRITE_LOGICAL:
case SHADER_OPCODE_UNTYPED_ATOMIC_LOGICAL:
case SHADER_OPCODE_UNTYPED_ATOMIC_FLOAT_LOGICAL:
case SHADER_OPCODE_TYPED_SURFACE_READ_LOGICAL:
@@ -6468,6 +6491,8 @@ get_lowered_simd_width(const struct gen_device_info *devinfo,
case SHADER_OPCODE_UNTYPED_SURFACE_WRITE_LOGICAL:
case SHADER_OPCODE_BYTE_SCATTERED_WRITE_LOGICAL:
case SHADER_OPCODE_BYTE_SCATTERED_READ_LOGICAL:
case SHADER_OPCODE_DWORD_SCATTERED_WRITE_LOGICAL:
case SHADER_OPCODE_DWORD_SCATTERED_READ_LOGICAL:
return MIN2(16, inst->exec_size);
case SHADER_OPCODE_A64_UNTYPED_WRITE_LOGICAL:

2
src/intel/compiler/brw_schedule_instructions.cpp
View File

@@ -424,6 +424,8 @@ schedule_node::set_latency_gen7(bool is_haswell)
case GEN7_SFID_DATAPORT_DATA_CACHE:
switch ((inst->desc >> 14) & 0x1f) {
case GEN7_DATAPORT_DC_DWORD_SCATTERED_READ:
case GEN6_DATAPORT_WRITE_MESSAGE_DWORD_SCATTERED_WRITE:
case HSW_DATAPORT_DC_PORT0_BYTE_SCATTERED_READ:
case HSW_DATAPORT_DC_PORT0_BYTE_SCATTERED_WRITE:
/* We have no data for this but assume it's roughly the same as

6
src/intel/compiler/brw_shader.cpp
View File

@@ -331,6 +331,10 @@ brw_instruction_name(const struct gen_device_info *devinfo, enum opcode op)
return "byte_scattered_read_logical";
case SHADER_OPCODE_BYTE_SCATTERED_WRITE_LOGICAL:
return "byte_scattered_write_logical";
case SHADER_OPCODE_DWORD_SCATTERED_READ_LOGICAL:
return "dword_scattered_read_logical";
case SHADER_OPCODE_DWORD_SCATTERED_WRITE_LOGICAL:
return "dword_scattered_write_logical";
case SHADER_OPCODE_LOAD_PAYLOAD:
return "load_payload";
@@ -1055,6 +1059,7 @@ backend_instruction::has_side_effects() const
case SHADER_OPCODE_A64_UNTYPED_ATOMIC_INT64_LOGICAL:
case SHADER_OPCODE_A64_UNTYPED_ATOMIC_FLOAT_LOGICAL:
case SHADER_OPCODE_BYTE_SCATTERED_WRITE_LOGICAL:
case SHADER_OPCODE_DWORD_SCATTERED_WRITE_LOGICAL:
case SHADER_OPCODE_TYPED_ATOMIC_LOGICAL:
case SHADER_OPCODE_TYPED_SURFACE_WRITE_LOGICAL:
case SHADER_OPCODE_MEMORY_FENCE:
@@ -1088,6 +1093,7 @@ backend_instruction::is_volatile() const
case SHADER_OPCODE_UNTYPED_SURFACE_READ_LOGICAL:
case SHADER_OPCODE_TYPED_SURFACE_READ_LOGICAL:
case SHADER_OPCODE_BYTE_SCATTERED_READ_LOGICAL:
case SHADER_OPCODE_DWORD_SCATTERED_READ_LOGICAL:
case SHADER_OPCODE_A64_UNTYPED_READ_LOGICAL:
case SHADER_OPCODE_A64_BYTE_SCATTERED_READ_LOGICAL:
case SHADER_OPCODE_URB_READ_SIMD8: