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android / platform / external / mesa3d / 937523971f42f37b40badb962e575ecd8258b2d5 / . / src / mesa / drivers / dri / i965 / brw_disasm.c
blob: 167067a4b7d5a52fe31acd5bce67dbe426c31618 [file] [log] [blame]
/*
* Copyright © 2008 Keith Packard
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that copyright
* notice and this permission notice appear in supporting documentation, and
* that the name of the copyright holders not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. The copyright holders make no representations
* about the suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include "brw_context.h"
#include "brw_defines.h"
#include "brw_reg.h"
#include "brw_inst.h"
#include "brw_eu.h"
static bool
has_jip(const struct gen_device_info *devinfo, enum opcode opcode)
{
if (devinfo->gen < 6)
return false;
return opcode == BRW_OPCODE_IF ||
opcode == BRW_OPCODE_ELSE ||
opcode == BRW_OPCODE_ENDIF ||
opcode == BRW_OPCODE_WHILE ||
opcode == BRW_OPCODE_BREAK ||
opcode == BRW_OPCODE_CONTINUE ||
opcode == BRW_OPCODE_HALT;
}
static bool
has_uip(const struct gen_device_info *devinfo, enum opcode opcode)
{
if (devinfo->gen < 6)
return false;
return (devinfo->gen >= 7 && opcode == BRW_OPCODE_IF) ||
(devinfo->gen >= 8 && opcode == BRW_OPCODE_ELSE) ||
opcode == BRW_OPCODE_BREAK ||
opcode == BRW_OPCODE_CONTINUE ||
opcode == BRW_OPCODE_HALT;
}
static bool
has_branch_ctrl(const struct gen_device_info *devinfo, enum opcode opcode)
{
if (devinfo->gen < 8)
return false;
return opcode == BRW_OPCODE_IF ||
opcode == BRW_OPCODE_ELSE;
/* opcode == BRW_OPCODE_GOTO; */
}
static bool
is_logic_instruction(unsigned opcode)
{
return opcode == BRW_OPCODE_AND ||
opcode == BRW_OPCODE_NOT ||
opcode == BRW_OPCODE_OR ||
opcode == BRW_OPCODE_XOR;
}
const char *const conditional_modifier[16] = {
[BRW_CONDITIONAL_NONE] = "",
[BRW_CONDITIONAL_Z] = ".z",
[BRW_CONDITIONAL_NZ] = ".nz",
[BRW_CONDITIONAL_G] = ".g",
[BRW_CONDITIONAL_GE] = ".ge",
[BRW_CONDITIONAL_L] = ".l",
[BRW_CONDITIONAL_LE] = ".le",
[BRW_CONDITIONAL_R] = ".r",
[BRW_CONDITIONAL_O] = ".o",
[BRW_CONDITIONAL_U] = ".u",
};
static const char *const m_negate[2] = {
[0] = "",
[1] = "-",
};
static const char *const _abs[2] = {
[0] = "",
[1] = "(abs)",
};
static const char *const m_bitnot[2] = { "", "~" };
static const char *const vert_stride[16] = {
[0] = "0",
[1] = "1",
[2] = "2",
[3] = "4",
[4] = "8",
[5] = "16",
[6] = "32",
[15] = "VxH",
};
static const char *const width[8] = {
[0] = "1",
[1] = "2",
[2] = "4",
[3] = "8",
[4] = "16",
};
static const char *const horiz_stride[4] = {
[0] = "0",
[1] = "1",
[2] = "2",
[3] = "4"
};
static const char *const chan_sel[4] = {
[0] = "x",
[1] = "y",
[2] = "z",
[3] = "w",
};
static const char *const debug_ctrl[2] = {
[0] = "",
[1] = ".breakpoint"
};
static const char *const saturate[2] = {
[0] = "",
[1] = ".sat"
};
static const char *const cmpt_ctrl[2] = {
[0] = "",
[1] = "compacted"
};
static const char *const accwr[2] = {
[0] = "",
[1] = "AccWrEnable"
};
static const char *const branch_ctrl[2] = {
[0] = "",
[1] = "BranchCtrl"
};
static const char *const wectrl[2] = {
[0] = "",
[1] = "WE_all"
};
static const char *const exec_size[8] = {
[0] = "1",
[1] = "2",
[2] = "4",
[3] = "8",
[4] = "16",
[5] = "32"
};
static const char *const pred_inv[2] = {
[0] = "+",
[1] = "-"
};
const char *const pred_ctrl_align16[16] = {
[1] = "",
[2] = ".x",
[3] = ".y",
[4] = ".z",
[5] = ".w",
[6] = ".any4h",
[7] = ".all4h",
};
static const char *const pred_ctrl_align1[16] = {
[BRW_PREDICATE_NORMAL] = "",
[BRW_PREDICATE_ALIGN1_ANYV] = ".anyv",
[BRW_PREDICATE_ALIGN1_ALLV] = ".allv",
[BRW_PREDICATE_ALIGN1_ANY2H] = ".any2h",
[BRW_PREDICATE_ALIGN1_ALL2H] = ".all2h",
[BRW_PREDICATE_ALIGN1_ANY4H] = ".any4h",
[BRW_PREDICATE_ALIGN1_ALL4H] = ".all4h",
[BRW_PREDICATE_ALIGN1_ANY8H] = ".any8h",
[BRW_PREDICATE_ALIGN1_ALL8H] = ".all8h",
[BRW_PREDICATE_ALIGN1_ANY16H] = ".any16h",
[BRW_PREDICATE_ALIGN1_ALL16H] = ".all16h",
[BRW_PREDICATE_ALIGN1_ANY32H] = ".any32h",
[BRW_PREDICATE_ALIGN1_ALL32H] = ".all32h",
};
static const char *const thread_ctrl[4] = {
[BRW_THREAD_NORMAL] = "",
[BRW_THREAD_ATOMIC] = "atomic",
[BRW_THREAD_SWITCH] = "switch",
};
static const char *const compr_ctrl[4] = {
[0] = "",
[1] = "sechalf",
[2] = "compr",
[3] = "compr4",
};
static const char *const dep_ctrl[4] = {
[0] = "",
[1] = "NoDDClr",
[2] = "NoDDChk",
[3] = "NoDDClr,NoDDChk",
};
static const char *const mask_ctrl[4] = {
[0] = "",
[1] = "nomask",
};
static const char *const access_mode[2] = {
[0] = "align1",
[1] = "align16",
};
static const char * const reg_encoding[] = {
[BRW_HW_REG_TYPE_UD] = "UD",
[BRW_HW_REG_TYPE_D] = "D",
[BRW_HW_REG_TYPE_UW] = "UW",
[BRW_HW_REG_TYPE_W] = "W",
[BRW_HW_REG_NON_IMM_TYPE_UB] = "UB",
[BRW_HW_REG_NON_IMM_TYPE_B] = "B",
[GEN7_HW_REG_NON_IMM_TYPE_DF] = "DF",
[BRW_HW_REG_TYPE_F] = "F",
[GEN8_HW_REG_TYPE_UQ] = "UQ",
[GEN8_HW_REG_TYPE_Q] = "Q",
[GEN8_HW_REG_NON_IMM_TYPE_HF] = "HF",
};
static const char *const three_source_reg_encoding[] = {
[BRW_3SRC_TYPE_F] = "F",
[BRW_3SRC_TYPE_D] = "D",
[BRW_3SRC_TYPE_UD] = "UD",
[BRW_3SRC_TYPE_DF] = "DF",
};
const int reg_type_size[] = {
[BRW_HW_REG_TYPE_UD] = 4,
[BRW_HW_REG_TYPE_D] = 4,
[BRW_HW_REG_TYPE_UW] = 2,
[BRW_HW_REG_TYPE_W] = 2,
[BRW_HW_REG_NON_IMM_TYPE_UB] = 1,
[BRW_HW_REG_NON_IMM_TYPE_B] = 1,
[GEN7_HW_REG_NON_IMM_TYPE_DF] = 8,
[BRW_HW_REG_TYPE_F] = 4,
[GEN8_HW_REG_TYPE_UQ] = 8,
[GEN8_HW_REG_TYPE_Q] = 8,
[GEN8_HW_REG_NON_IMM_TYPE_HF] = 2,
};
static const char *const reg_file[4] = {
[0] = "A",
[1] = "g",
[2] = "m",
[3] = "imm",
};
static const char *const writemask[16] = {
[0x0] = ".",
[0x1] = ".x",
[0x2] = ".y",
[0x3] = ".xy",
[0x4] = ".z",
[0x5] = ".xz",
[0x6] = ".yz",
[0x7] = ".xyz",
[0x8] = ".w",
[0x9] = ".xw",
[0xa] = ".yw",
[0xb] = ".xyw",
[0xc] = ".zw",
[0xd] = ".xzw",
[0xe] = ".yzw",
[0xf] = "",
};
static const char *const end_of_thread[2] = {
[0] = "",
[1] = "EOT"
};
/* SFIDs on Gen4-5 */
static const char *const gen4_sfid[16] = {
[BRW_SFID_NULL] = "null",
[BRW_SFID_MATH] = "math",
[BRW_SFID_SAMPLER] = "sampler",
[BRW_SFID_MESSAGE_GATEWAY] = "gateway",
[BRW_SFID_DATAPORT_READ] = "read",
[BRW_SFID_DATAPORT_WRITE] = "write",
[BRW_SFID_URB] = "urb",
[BRW_SFID_THREAD_SPAWNER] = "thread_spawner",
[BRW_SFID_VME] = "vme",
};
static const char *const gen6_sfid[16] = {
[BRW_SFID_NULL] = "null",
[BRW_SFID_MATH] = "math",
[BRW_SFID_SAMPLER] = "sampler",
[BRW_SFID_MESSAGE_GATEWAY] = "gateway",
[BRW_SFID_URB] = "urb",
[BRW_SFID_THREAD_SPAWNER] = "thread_spawner",
[GEN6_SFID_DATAPORT_SAMPLER_CACHE] = "sampler",
[GEN6_SFID_DATAPORT_RENDER_CACHE] = "render",
[GEN6_SFID_DATAPORT_CONSTANT_CACHE] = "const",
[GEN7_SFID_DATAPORT_DATA_CACHE] = "data",
[GEN7_SFID_PIXEL_INTERPOLATOR] = "pixel interp",
[HSW_SFID_DATAPORT_DATA_CACHE_1] = "dp data 1",
[HSW_SFID_CRE] = "cre",
};
static const char *const gen7_gateway_subfuncid[8] = {
[BRW_MESSAGE_GATEWAY_SFID_OPEN_GATEWAY] = "open",
[BRW_MESSAGE_GATEWAY_SFID_CLOSE_GATEWAY] = "close",
[BRW_MESSAGE_GATEWAY_SFID_FORWARD_MSG] = "forward msg",
[BRW_MESSAGE_GATEWAY_SFID_GET_TIMESTAMP] = "get timestamp",
[BRW_MESSAGE_GATEWAY_SFID_BARRIER_MSG] = "barrier msg",
[BRW_MESSAGE_GATEWAY_SFID_UPDATE_GATEWAY_STATE] = "update state",
[BRW_MESSAGE_GATEWAY_SFID_MMIO_READ_WRITE] = "mmio read/write",
};
static const char *const gen4_dp_read_port_msg_type[4] = {
[0b00] = "OWord Block Read",
[0b01] = "OWord Dual Block Read",
[0b10] = "Media Block Read",
[0b11] = "DWord Scattered Read",
};
static const char *const g45_dp_read_port_msg_type[8] = {
[0b000] = "OWord Block Read",
[0b010] = "OWord Dual Block Read",
[0b100] = "Media Block Read",
[0b110] = "DWord Scattered Read",
[0b001] = "Render Target UNORM Read",
[0b011] = "AVC Loop Filter Read",
};
static const char *const dp_write_port_msg_type[8] = {
[0b000] = "OWord block write",
[0b001] = "OWord dual block write",
[0b010] = "media block write",
[0b011] = "DWord scattered write",
[0b100] = "RT write",
[0b101] = "streamed VB write",
[0b110] = "RT UNORM write", /* G45+ */
[0b111] = "flush render cache",
};
static const char *const dp_rc_msg_type_gen6[16] = {
[BRW_DATAPORT_READ_MESSAGE_OWORD_BLOCK_READ] = "OWORD block read",
[GEN6_DATAPORT_READ_MESSAGE_RENDER_UNORM_READ] = "RT UNORM read",
[GEN6_DATAPORT_READ_MESSAGE_OWORD_DUAL_BLOCK_READ] = "OWORD dual block read",
[GEN6_DATAPORT_READ_MESSAGE_MEDIA_BLOCK_READ] = "media block read",
[GEN6_DATAPORT_READ_MESSAGE_OWORD_UNALIGN_BLOCK_READ] =
"OWORD unaligned block read",
[GEN6_DATAPORT_READ_MESSAGE_DWORD_SCATTERED_READ] = "DWORD scattered read",
[GEN6_DATAPORT_WRITE_MESSAGE_DWORD_ATOMIC_WRITE] = "DWORD atomic write",
[GEN6_DATAPORT_WRITE_MESSAGE_OWORD_BLOCK_WRITE] = "OWORD block write",
[GEN6_DATAPORT_WRITE_MESSAGE_OWORD_DUAL_BLOCK_WRITE] =
"OWORD dual block write",
[GEN6_DATAPORT_WRITE_MESSAGE_MEDIA_BLOCK_WRITE] = "media block write",
[GEN6_DATAPORT_WRITE_MESSAGE_DWORD_SCATTERED_WRITE] =
"DWORD scattered write",
[GEN6_DATAPORT_WRITE_MESSAGE_RENDER_TARGET_WRITE] = "RT write",
[GEN6_DATAPORT_WRITE_MESSAGE_STREAMED_VB_WRITE] = "streamed VB write",
[GEN6_DATAPORT_WRITE_MESSAGE_RENDER_TARGET_UNORM_WRITE] = "RT UNORM write",
};
static const char *const dp_rc_msg_type_gen7[16] = {
[GEN7_DATAPORT_RC_MEDIA_BLOCK_READ] = "media block read",
[GEN7_DATAPORT_RC_TYPED_SURFACE_READ] = "typed surface read",
[GEN7_DATAPORT_RC_TYPED_ATOMIC_OP] = "typed atomic op",
[GEN7_DATAPORT_RC_MEMORY_FENCE] = "memory fence",
[GEN7_DATAPORT_RC_MEDIA_BLOCK_WRITE] = "media block write",
[GEN7_DATAPORT_RC_RENDER_TARGET_WRITE] = "RT write",
[GEN7_DATAPORT_RC_TYPED_SURFACE_WRITE] = "typed surface write"
};
static const char *const dp_rc_msg_type_gen9[16] = {
[GEN9_DATAPORT_RC_RENDER_TARGET_WRITE] = "RT write",
[GEN9_DATAPORT_RC_RENDER_TARGET_READ] = "RT read"
};
static const char *const *
dp_rc_msg_type(const struct gen_device_info *devinfo)
{
return (devinfo->gen >= 9 ? dp_rc_msg_type_gen9 :
devinfo->gen >= 7 ? dp_rc_msg_type_gen7 :
devinfo->gen >= 6 ? dp_rc_msg_type_gen6 :
dp_write_port_msg_type);
}
static const char *const m_rt_write_subtype[] = {
[0b000] = "SIMD16",
[0b001] = "SIMD16/RepData",
[0b010] = "SIMD8/DualSrcLow",
[0b011] = "SIMD8/DualSrcHigh",
[0b100] = "SIMD8",
[0b101] = "SIMD8/ImageWrite", /* Gen6+ */
[0b111] = "SIMD16/RepData-111", /* no idea how this is different than 1 */
};
static const char *const dp_dc0_msg_type_gen7[16] = {
[GEN7_DATAPORT_DC_OWORD_BLOCK_READ] = "DC OWORD block read",
[GEN7_DATAPORT_DC_UNALIGNED_OWORD_BLOCK_READ] =
"DC unaligned OWORD block read",
[GEN7_DATAPORT_DC_OWORD_DUAL_BLOCK_READ] = "DC OWORD dual block read",
[GEN7_DATAPORT_DC_DWORD_SCATTERED_READ] = "DC DWORD scattered read",
[GEN7_DATAPORT_DC_BYTE_SCATTERED_READ] = "DC byte scattered read",
[GEN7_DATAPORT_DC_UNTYPED_SURFACE_READ] = "DC untyped surface read",
[GEN7_DATAPORT_DC_UNTYPED_ATOMIC_OP] = "DC untyped atomic",
[GEN7_DATAPORT_DC_MEMORY_FENCE] = "DC mfence",
[GEN7_DATAPORT_DC_OWORD_BLOCK_WRITE] = "DC OWORD block write",
[GEN7_DATAPORT_DC_OWORD_DUAL_BLOCK_WRITE] = "DC OWORD dual block write",
[GEN7_DATAPORT_DC_DWORD_SCATTERED_WRITE] = "DC DWORD scatterd write",
[GEN7_DATAPORT_DC_BYTE_SCATTERED_WRITE] = "DC byte scattered write",
[GEN7_DATAPORT_DC_UNTYPED_SURFACE_WRITE] = "DC untyped surface write",
};
static const char *const dp_dc1_msg_type_hsw[16] = {
[HSW_DATAPORT_DC_PORT1_UNTYPED_SURFACE_READ] = "untyped surface read",
[HSW_DATAPORT_DC_PORT1_UNTYPED_ATOMIC_OP] = "DC untyped atomic op",
[HSW_DATAPORT_DC_PORT1_UNTYPED_ATOMIC_OP_SIMD4X2] =
"DC untyped 4x2 atomic op",
[HSW_DATAPORT_DC_PORT1_MEDIA_BLOCK_READ] = "DC media block read",
[HSW_DATAPORT_DC_PORT1_TYPED_SURFACE_READ] = "DC typed surface read",
[HSW_DATAPORT_DC_PORT1_TYPED_ATOMIC_OP] = "DC typed atomic",
[HSW_DATAPORT_DC_PORT1_TYPED_ATOMIC_OP_SIMD4X2] = "DC typed 4x2 atomic op",
[HSW_DATAPORT_DC_PORT1_UNTYPED_SURFACE_WRITE] = "DC untyped surface write",
[HSW_DATAPORT_DC_PORT1_MEDIA_BLOCK_WRITE] = "DC media block write",
[HSW_DATAPORT_DC_PORT1_ATOMIC_COUNTER_OP] = "DC atomic counter op",
[HSW_DATAPORT_DC_PORT1_ATOMIC_COUNTER_OP_SIMD4X2] =
"DC 4x2 atomic counter op",
[HSW_DATAPORT_DC_PORT1_TYPED_SURFACE_WRITE] = "DC typed surface write",
};
static const char *const aop[16] = {
[BRW_AOP_AND] = "and",
[BRW_AOP_OR] = "or",
[BRW_AOP_XOR] = "xor",
[BRW_AOP_MOV] = "mov",
[BRW_AOP_INC] = "inc",
[BRW_AOP_DEC] = "dec",
[BRW_AOP_ADD] = "add",
[BRW_AOP_SUB] = "sub",
[BRW_AOP_REVSUB] = "revsub",
[BRW_AOP_IMAX] = "imax",
[BRW_AOP_IMIN] = "imin",
[BRW_AOP_UMAX] = "umax",
[BRW_AOP_UMIN] = "umin",
[BRW_AOP_CMPWR] = "cmpwr",
[BRW_AOP_PREDEC] = "predec",
};
static const char * const pixel_interpolator_msg_types[4] = {
[GEN7_PIXEL_INTERPOLATOR_LOC_SHARED_OFFSET] = "per_message_offset",
[GEN7_PIXEL_INTERPOLATOR_LOC_SAMPLE] = "sample_position",
[GEN7_PIXEL_INTERPOLATOR_LOC_CENTROID] = "centroid",
[GEN7_PIXEL_INTERPOLATOR_LOC_PER_SLOT_OFFSET] = "per_slot_offset",
};
static const char *const math_function[16] = {
[BRW_MATH_FUNCTION_INV] = "inv",
[BRW_MATH_FUNCTION_LOG] = "log",
[BRW_MATH_FUNCTION_EXP] = "exp",
[BRW_MATH_FUNCTION_SQRT] = "sqrt",
[BRW_MATH_FUNCTION_RSQ] = "rsq",
[BRW_MATH_FUNCTION_SIN] = "sin",
[BRW_MATH_FUNCTION_COS] = "cos",
[BRW_MATH_FUNCTION_SINCOS] = "sincos",
[BRW_MATH_FUNCTION_FDIV] = "fdiv",
[BRW_MATH_FUNCTION_POW] = "pow",
[BRW_MATH_FUNCTION_INT_DIV_QUOTIENT_AND_REMAINDER] = "intdivmod",
[BRW_MATH_FUNCTION_INT_DIV_QUOTIENT] = "intdiv",
[BRW_MATH_FUNCTION_INT_DIV_REMAINDER] = "intmod",
[GEN8_MATH_FUNCTION_INVM] = "invm",
[GEN8_MATH_FUNCTION_RSQRTM] = "rsqrtm",
};
static const char *const math_saturate[2] = {
[0] = "",
[1] = "sat"
};
static const char *const math_signed[2] = {
[0] = "",
[1] = "signed"
};
static const char *const math_scalar[2] = {
[0] = "",
[1] = "scalar"
};
static const char *const math_precision[2] = {
[0] = "",
[1] = "partial_precision"
};
static const char *const gen5_urb_opcode[] = {
[0] = "urb_write",
[1] = "ff_sync",
};
static const char *const gen7_urb_opcode[] = {
[BRW_URB_OPCODE_WRITE_HWORD] = "write HWord",
[BRW_URB_OPCODE_WRITE_OWORD] = "write OWord",
[BRW_URB_OPCODE_READ_HWORD] = "read HWord",
[BRW_URB_OPCODE_READ_OWORD] = "read OWord",
[GEN7_URB_OPCODE_ATOMIC_MOV] = "atomic mov", /* Gen7+ */
[GEN7_URB_OPCODE_ATOMIC_INC] = "atomic inc", /* Gen7+ */
[GEN8_URB_OPCODE_ATOMIC_ADD] = "atomic add", /* Gen8+ */
[GEN8_URB_OPCODE_SIMD8_WRITE] = "SIMD8 write", /* Gen8+ */
[GEN8_URB_OPCODE_SIMD8_READ] = "SIMD8 read", /* Gen8+ */
/* [9-15] - reserved */
};
static const char *const urb_swizzle[4] = {
[BRW_URB_SWIZZLE_NONE] = "",
[BRW_URB_SWIZZLE_INTERLEAVE] = "interleave",
[BRW_URB_SWIZZLE_TRANSPOSE] = "transpose",
};
static const char *const urb_allocate[2] = {
[0] = "",
[1] = "allocate"
};
static const char *const urb_used[2] = {
[0] = "",
[1] = "used"
};
static const char *const urb_complete[2] = {
[0] = "",
[1] = "complete"
};
static const char *const gen5_sampler_msg_type[] = {
[GEN5_SAMPLER_MESSAGE_SAMPLE] = "sample",
[GEN5_SAMPLER_MESSAGE_SAMPLE_BIAS] = "sample_b",
[GEN5_SAMPLER_MESSAGE_SAMPLE_LOD] = "sample_l",
[GEN5_SAMPLER_MESSAGE_SAMPLE_COMPARE] = "sample_c",
[GEN5_SAMPLER_MESSAGE_SAMPLE_DERIVS] = "sample_d",
[GEN5_SAMPLER_MESSAGE_SAMPLE_BIAS_COMPARE] = "sample_b_c",
[GEN5_SAMPLER_MESSAGE_SAMPLE_LOD_COMPARE] = "sample_l_c",
[GEN5_SAMPLER_MESSAGE_SAMPLE_LD] = "ld",
[GEN7_SAMPLER_MESSAGE_SAMPLE_GATHER4] = "gather4",
[GEN5_SAMPLER_MESSAGE_LOD] = "lod",
[GEN5_SAMPLER_MESSAGE_SAMPLE_RESINFO] = "resinfo",
[GEN6_SAMPLER_MESSAGE_SAMPLE_SAMPLEINFO] = "sampleinfo",
[GEN7_SAMPLER_MESSAGE_SAMPLE_GATHER4_C] = "gather4_c",
[GEN7_SAMPLER_MESSAGE_SAMPLE_GATHER4_PO] = "gather4_po",
[GEN7_SAMPLER_MESSAGE_SAMPLE_GATHER4_PO_C] = "gather4_po_c",
[HSW_SAMPLER_MESSAGE_SAMPLE_DERIV_COMPARE] = "sample_d_c",
[GEN9_SAMPLER_MESSAGE_SAMPLE_LZ] = "sample_lz",
[GEN9_SAMPLER_MESSAGE_SAMPLE_C_LZ] = "sample_c_lz",
[GEN9_SAMPLER_MESSAGE_SAMPLE_LD_LZ] = "ld_lz",
[GEN9_SAMPLER_MESSAGE_SAMPLE_LD2DMS_W] = "ld2dms_w",
[GEN7_SAMPLER_MESSAGE_SAMPLE_LD_MCS] = "ld_mcs",
[GEN7_SAMPLER_MESSAGE_SAMPLE_LD2DMS] = "ld2dms",
[GEN7_SAMPLER_MESSAGE_SAMPLE_LD2DSS] = "ld2dss",
};
static const char *const gen5_sampler_simd_mode[4] = {
[BRW_SAMPLER_SIMD_MODE_SIMD4X2] = "SIMD4x2",
[BRW_SAMPLER_SIMD_MODE_SIMD8] = "SIMD8",
[BRW_SAMPLER_SIMD_MODE_SIMD16] = "SIMD16",
[BRW_SAMPLER_SIMD_MODE_SIMD32_64] = "SIMD32/64",
};
static const char *const sampler_target_format[4] = {
[0] = "F",
[2] = "UD",
[3] = "D"
};
static int column;
static int
string(FILE *file, const char *string)
{
fputs(string, file);
column += strlen(string);
return 0;
}
static int
format(FILE *f, const char *format, ...) PRINTFLIKE(2, 3);
static int
format(FILE *f, const char *format, ...)
{
char buf[1024];
va_list args;
va_start(args, format);
vsnprintf(buf, sizeof(buf) - 1, format, args);
va_end(args);
string(f, buf);
return 0;
}
static int
newline(FILE *f)
{
putc('\n', f);
column = 0;
return 0;
}
static int
pad(FILE *f, int c)
{
do
string(f, " ");
while (column < c);
return 0;
}
static int
control(FILE *file, const char *name, const char *const ctrl[],
unsigned id, int *space)
{
if (!ctrl[id]) {
fprintf(file, "*** invalid %s value %d ", name, id);
return 1;
}
if (ctrl[id][0]) {
if (space && *space)
string(file, " ");
string(file, ctrl[id]);
if (space)
*space = 1;
}
return 0;
}
static int
print_opcode(FILE *file, const struct gen_device_info *devinfo,
enum opcode id)
{
const struct opcode_desc *desc = brw_opcode_desc(devinfo, id);
if (!desc) {
format(file, "*** invalid opcode value %d ", id);
return 1;
}
string(file, desc->name);
return 0;
}
static int
reg(FILE *file, unsigned _reg_file, unsigned _reg_nr)
{
int err = 0;
/* Clear the Compr4 instruction compression bit. */
if (_reg_file == BRW_MESSAGE_REGISTER_FILE)
_reg_nr &= ~BRW_MRF_COMPR4;
if (_reg_file == BRW_ARCHITECTURE_REGISTER_FILE) {
switch (_reg_nr & 0xf0) {
case BRW_ARF_NULL:
string(file, "null");
break;
case BRW_ARF_ADDRESS:
format(file, "a%d", _reg_nr & 0x0f);
break;
case BRW_ARF_ACCUMULATOR:
format(file, "acc%d", _reg_nr & 0x0f);
break;
case BRW_ARF_FLAG:
format(file, "f%d", _reg_nr & 0x0f);
break;
case BRW_ARF_MASK:
format(file, "mask%d", _reg_nr & 0x0f);
break;
case BRW_ARF_MASK_STACK:
format(file, "msd%d", _reg_nr & 0x0f);
break;
case BRW_ARF_STATE:
format(file, "sr%d", _reg_nr & 0x0f);
break;
case BRW_ARF_CONTROL:
format(file, "cr%d", _reg_nr & 0x0f);
break;
case BRW_ARF_NOTIFICATION_COUNT:
format(file, "n%d", _reg_nr & 0x0f);
break;
case BRW_ARF_IP:
string(file, "ip");
return -1;
break;
case BRW_ARF_TDR:
format(file, "tdr0");
return -1;
case BRW_ARF_TIMESTAMP:
format(file, "tm%d", _reg_nr & 0x0f);
break;
default:
format(file, "ARF%d", _reg_nr);
break;
}
} else {
err |= control(file, "src reg file", reg_file, _reg_file, NULL);
format(file, "%d", _reg_nr);
}
return err;
}
static int
dest(FILE *file, const struct gen_device_info *devinfo, brw_inst *inst)
{
int err = 0;
if (brw_inst_access_mode(devinfo, inst) == BRW_ALIGN_1) {
if (brw_inst_dst_address_mode(devinfo, inst) == BRW_ADDRESS_DIRECT) {
err |= reg(file, brw_inst_dst_reg_file(devinfo, inst),
brw_inst_dst_da_reg_nr(devinfo, inst));
if (err == -1)
return 0;
if (brw_inst_dst_da1_subreg_nr(devinfo, inst))
format(file, ".%"PRIu64, brw_inst_dst_da1_subreg_nr(devinfo, inst) /
reg_type_size[brw_inst_dst_reg_type(devinfo, inst)]);
string(file, "<");
err |= control(file, "horiz stride", horiz_stride,
brw_inst_dst_hstride(devinfo, inst), NULL);
string(file, ">");
err |= control(file, "dest reg encoding", reg_encoding,
brw_inst_dst_reg_type(devinfo, inst), NULL);
} else {
string(file, "g[a0");
if (brw_inst_dst_ia_subreg_nr(devinfo, inst))
format(file, ".%"PRIu64, brw_inst_dst_ia_subreg_nr(devinfo, inst) /
reg_type_size[brw_inst_dst_reg_type(devinfo, inst)]);
if (brw_inst_dst_ia1_addr_imm(devinfo, inst))
format(file, " %d", brw_inst_dst_ia1_addr_imm(devinfo, inst));
string(file, "]<");
err |= control(file, "horiz stride", horiz_stride,
brw_inst_dst_hstride(devinfo, inst), NULL);
string(file, ">");
err |= control(file, "dest reg encoding", reg_encoding,
brw_inst_dst_reg_type(devinfo, inst), NULL);
}
} else {
if (brw_inst_dst_address_mode(devinfo, inst) == BRW_ADDRESS_DIRECT) {
err |= reg(file, brw_inst_dst_reg_file(devinfo, inst),
brw_inst_dst_da_reg_nr(devinfo, inst));
if (err == -1)
return 0;
if (brw_inst_dst_da16_subreg_nr(devinfo, inst))
format(file, ".%u", 16 /
reg_type_size[brw_inst_dst_reg_type(devinfo, inst)]);
string(file, "<1>");
err |= control(file, "writemask", writemask,
brw_inst_da16_writemask(devinfo, inst), NULL);
err |= control(file, "dest reg encoding", reg_encoding,
brw_inst_dst_reg_type(devinfo, inst), NULL);
} else {
err = 1;
string(file, "Indirect align16 address mode not supported");
}
}
return 0;
}
static int
dest_3src(FILE *file, const struct gen_device_info *devinfo, brw_inst *inst)
{
int err = 0;
uint32_t reg_file;
if (devinfo->gen == 6 && brw_inst_3src_dst_reg_file(devinfo, inst))
reg_file = BRW_MESSAGE_REGISTER_FILE;
else
reg_file = BRW_GENERAL_REGISTER_FILE;
err |= reg(file, reg_file, brw_inst_3src_dst_reg_nr(devinfo, inst));
if (err == -1)
return 0;
if (brw_inst_3src_dst_subreg_nr(devinfo, inst))
format(file, ".%"PRIu64, brw_inst_3src_dst_subreg_nr(devinfo, inst));
string(file, "<1>");
err |= control(file, "writemask", writemask,
brw_inst_3src_dst_writemask(devinfo, inst), NULL);
err |= control(file, "dest reg encoding", three_source_reg_encoding,
brw_inst_3src_dst_type(devinfo, inst), NULL);
return 0;
}
static int
src_align1_region(FILE *file,
unsigned _vert_stride, unsigned _width,
unsigned _horiz_stride)
{
int err = 0;
string(file, "<");
err |= control(file, "vert stride", vert_stride, _vert_stride, NULL);
string(file, ",");
err |= control(file, "width", width, _width, NULL);
string(file, ",");
err |= control(file, "horiz_stride", horiz_stride, _horiz_stride, NULL);
string(file, ">");
return err;
}
static int
src_da1(FILE *file,
const struct gen_device_info *devinfo,
unsigned opcode,
unsigned type, unsigned _reg_file,
unsigned _vert_stride, unsigned _width, unsigned _horiz_stride,
unsigned reg_num, unsigned sub_reg_num, unsigned __abs,
unsigned _negate)
{
int err = 0;
if (devinfo->gen >= 8 && is_logic_instruction(opcode))
err |= control(file, "bitnot", m_bitnot, _negate, NULL);
else
err |= control(file, "negate", m_negate, _negate, NULL);
err |= control(file, "abs", _abs, __abs, NULL);
err |= reg(file, _reg_file, reg_num);
if (err == -1)
return 0;
if (sub_reg_num)
format(file, ".%d", sub_reg_num / reg_type_size[type]); /* use formal style like spec */
src_align1_region(file, _vert_stride, _width, _horiz_stride);
err |= control(file, "src reg encoding", reg_encoding, type, NULL);
return err;
}
static int
src_ia1(FILE *file,
const struct gen_device_info *devinfo,
unsigned opcode,
unsigned type,
unsigned _reg_file,
int _addr_imm,
unsigned _addr_subreg_nr,
unsigned _negate,
unsigned __abs,
unsigned _horiz_stride, unsigned _width, unsigned _vert_stride)
{
int err = 0;
if (devinfo->gen >= 8 && is_logic_instruction(opcode))
err |= control(file, "bitnot", m_bitnot, _negate, NULL);
else
err |= control(file, "negate", m_negate, _negate, NULL);
err |= control(file, "abs", _abs, __abs, NULL);
string(file, "g[a0");
if (_addr_subreg_nr)
format(file, ".%d", _addr_subreg_nr);
if (_addr_imm)
format(file, " %d", _addr_imm);
string(file, "]");
src_align1_region(file, _vert_stride, _width, _horiz_stride);
err |= control(file, "src reg encoding", reg_encoding, type, NULL);
return err;
}
static int
src_swizzle(FILE *file, unsigned swiz)
{
unsigned x = BRW_GET_SWZ(swiz, BRW_CHANNEL_X);
unsigned y = BRW_GET_SWZ(swiz, BRW_CHANNEL_Y);
unsigned z = BRW_GET_SWZ(swiz, BRW_CHANNEL_Z);
unsigned w = BRW_GET_SWZ(swiz, BRW_CHANNEL_W);
int err = 0;
if (x == y && x == z && x == w) {
string(file, ".");
err |= control(file, "channel select", chan_sel, x, NULL);
} else if (swiz != BRW_SWIZZLE_XYZW) {
string(file, ".");
err |= control(file, "channel select", chan_sel, x, NULL);
err |= control(file, "channel select", chan_sel, y, NULL);
err |= control(file, "channel select", chan_sel, z, NULL);
err |= control(file, "channel select", chan_sel, w, NULL);
}
return err;
}
static int
src_da16(FILE *file,
const struct gen_device_info *devinfo,
unsigned opcode,
unsigned _reg_type,
unsigned _reg_file,
unsigned _vert_stride,
unsigned _reg_nr,
unsigned _subreg_nr,
unsigned __abs,
unsigned _negate,
unsigned swz_x, unsigned swz_y, unsigned swz_z, unsigned swz_w)
{
int err = 0;
if (devinfo->gen >= 8 && is_logic_instruction(opcode))
err |= control(file, "bitnot", m_bitnot, _negate, NULL);
else
err |= control(file, "negate", m_negate, _negate, NULL);
err |= control(file, "abs", _abs, __abs, NULL);
err |= reg(file, _reg_file, _reg_nr);
if (err == -1)
return 0;
if (_subreg_nr)
/* bit4 for subreg number byte addressing. Make this same meaning as
in da1 case, so output looks consistent. */
format(file, ".%d", 16 / reg_type_size[_reg_type]);
string(file, "<");
err |= control(file, "vert stride", vert_stride, _vert_stride, NULL);
string(file, ">");
err |= src_swizzle(file, BRW_SWIZZLE4(swz_x, swz_y, swz_z, swz_w));
err |= control(file, "src da16 reg type", reg_encoding, _reg_type, NULL);
return err;
}
static int
src0_3src(FILE *file, const struct gen_device_info *devinfo, brw_inst *inst)
{
int err = 0;
unsigned src0_subreg_nr = brw_inst_3src_src0_subreg_nr(devinfo, inst);
err |= control(file, "negate", m_negate,
brw_inst_3src_src0_negate(devinfo, inst), NULL);
err |= control(file, "abs", _abs, brw_inst_3src_src0_abs(devinfo, inst), NULL);
err |= reg(file, BRW_GENERAL_REGISTER_FILE,
brw_inst_3src_src0_reg_nr(devinfo, inst));
if (err == -1)
return 0;
if (src0_subreg_nr || brw_inst_3src_src0_rep_ctrl(devinfo, inst))
format(file, ".%d", src0_subreg_nr);
if (brw_inst_3src_src0_rep_ctrl(devinfo, inst))
string(file, "<0,1,0>");
else {
string(file, "<4,4,1>");
err |= src_swizzle(file, brw_inst_3src_src0_swizzle(devinfo, inst));
}
err |= control(file, "src da16 reg type", three_source_reg_encoding,
brw_inst_3src_src_type(devinfo, inst), NULL);
return err;
}
static int
src1_3src(FILE *file, const struct gen_device_info *devinfo, brw_inst *inst)
{
int err = 0;
unsigned src1_subreg_nr = brw_inst_3src_src1_subreg_nr(devinfo, inst);
err |= control(file, "negate", m_negate,
brw_inst_3src_src1_negate(devinfo, inst), NULL);
err |= control(file, "abs", _abs, brw_inst_3src_src1_abs(devinfo, inst), NULL);
err |= reg(file, BRW_GENERAL_REGISTER_FILE,
brw_inst_3src_src1_reg_nr(devinfo, inst));
if (err == -1)
return 0;
if (src1_subreg_nr || brw_inst_3src_src1_rep_ctrl(devinfo, inst))
format(file, ".%d", src1_subreg_nr);
if (brw_inst_3src_src1_rep_ctrl(devinfo, inst))
string(file, "<0,1,0>");
else {
string(file, "<4,4,1>");
err |= src_swizzle(file, brw_inst_3src_src1_swizzle(devinfo, inst));
}
err |= control(file, "src da16 reg type", three_source_reg_encoding,
brw_inst_3src_src_type(devinfo, inst), NULL);
return err;
}
static int
src2_3src(FILE *file, const struct gen_device_info *devinfo, brw_inst *inst)
{
int err = 0;
unsigned src2_subreg_nr = brw_inst_3src_src2_subreg_nr(devinfo, inst);
err |= control(file, "negate", m_negate,
brw_inst_3src_src2_negate(devinfo, inst), NULL);
err |= control(file, "abs", _abs, brw_inst_3src_src2_abs(devinfo, inst), NULL);
err |= reg(file, BRW_GENERAL_REGISTER_FILE,
brw_inst_3src_src2_reg_nr(devinfo, inst));
if (err == -1)
return 0;
if (src2_subreg_nr || brw_inst_3src_src2_rep_ctrl(devinfo, inst))
format(file, ".%d", src2_subreg_nr);
if (brw_inst_3src_src2_rep_ctrl(devinfo, inst))
string(file, "<0,1,0>");
else {
string(file, "<4,4,1>");
err |= src_swizzle(file, brw_inst_3src_src2_swizzle(devinfo, inst));
}
err |= control(file, "src da16 reg type", three_source_reg_encoding,
brw_inst_3src_src_type(devinfo, inst), NULL);
return err;
}
static int
imm(FILE *file, const struct gen_device_info *devinfo, unsigned type, brw_inst *inst)
{
switch (type) {
case BRW_HW_REG_TYPE_UD:
format(file, "0x%08xUD", brw_inst_imm_ud(devinfo, inst));
break;
case BRW_HW_REG_TYPE_D:
format(file, "%dD", brw_inst_imm_d(devinfo, inst));
break;
case BRW_HW_REG_TYPE_UW:
format(file, "0x%04xUW", (uint16_t) brw_inst_imm_ud(devinfo, inst));
break;
case BRW_HW_REG_TYPE_W:
format(file, "%dW", (int16_t) brw_inst_imm_d(devinfo, inst));
break;
case BRW_HW_REG_IMM_TYPE_UV:
format(file, "0x%08xUV", brw_inst_imm_ud(devinfo, inst));
break;
case BRW_HW_REG_IMM_TYPE_VF:
format(file, "[%-gF, %-gF, %-gF, %-gF]VF",
brw_vf_to_float(brw_inst_imm_ud(devinfo, inst)),
brw_vf_to_float(brw_inst_imm_ud(devinfo, inst) >> 8),
brw_vf_to_float(brw_inst_imm_ud(devinfo, inst) >> 16),
brw_vf_to_float(brw_inst_imm_ud(devinfo, inst) >> 24));
break;
case BRW_HW_REG_IMM_TYPE_V:
format(file, "0x%08xV", brw_inst_imm_ud(devinfo, inst));
break;
case BRW_HW_REG_TYPE_F:
format(file, "%-gF", brw_inst_imm_f(devinfo, inst));
break;
case GEN8_HW_REG_IMM_TYPE_DF:
format(file, "%-gDF", brw_inst_imm_df(devinfo, inst));
break;
case GEN8_HW_REG_IMM_TYPE_HF:
string(file, "Half Float IMM");
break;
}
return 0;
}
static int
src0(FILE *file, const struct gen_device_info *devinfo, brw_inst *inst)
{
if (brw_inst_src0_reg_file(devinfo, inst) == BRW_IMMEDIATE_VALUE) {
return imm(file, devinfo, brw_inst_src0_reg_type(devinfo, inst), inst);
} else if (brw_inst_access_mode(devinfo, inst) == BRW_ALIGN_1) {
if (brw_inst_src0_address_mode(devinfo, inst) == BRW_ADDRESS_DIRECT) {
return src_da1(file,
devinfo,
brw_inst_opcode(devinfo, inst),
brw_inst_src0_reg_type(devinfo, inst),
brw_inst_src0_reg_file(devinfo, inst),
brw_inst_src0_vstride(devinfo, inst),
brw_inst_src0_width(devinfo, inst),
brw_inst_src0_hstride(devinfo, inst),
brw_inst_src0_da_reg_nr(devinfo, inst),
brw_inst_src0_da1_subreg_nr(devinfo, inst),
brw_inst_src0_abs(devinfo, inst),
brw_inst_src0_negate(devinfo, inst));
} else {
return src_ia1(file,
devinfo,
brw_inst_opcode(devinfo, inst),
brw_inst_src0_reg_type(devinfo, inst),
brw_inst_src0_reg_file(devinfo, inst),
brw_inst_src0_ia1_addr_imm(devinfo, inst),
brw_inst_src0_ia_subreg_nr(devinfo, inst),
brw_inst_src0_negate(devinfo, inst),
brw_inst_src0_abs(devinfo, inst),
brw_inst_src0_hstride(devinfo, inst),
brw_inst_src0_width(devinfo, inst),
brw_inst_src0_vstride(devinfo, inst));
}
} else {
if (brw_inst_src0_address_mode(devinfo, inst) == BRW_ADDRESS_DIRECT) {
return src_da16(file,
devinfo,
brw_inst_opcode(devinfo, inst),
brw_inst_src0_reg_type(devinfo, inst),
brw_inst_src0_reg_file(devinfo, inst),
brw_inst_src0_vstride(devinfo, inst),
brw_inst_src0_da_reg_nr(devinfo, inst),
brw_inst_src0_da16_subreg_nr(devinfo, inst),
brw_inst_src0_abs(devinfo, inst),
brw_inst_src0_negate(devinfo, inst),
brw_inst_src0_da16_swiz_x(devinfo, inst),
brw_inst_src0_da16_swiz_y(devinfo, inst),
brw_inst_src0_da16_swiz_z(devinfo, inst),
brw_inst_src0_da16_swiz_w(devinfo, inst));
} else {
string(file, "Indirect align16 address mode not supported");
return 1;
}
}
}
static int
src1(FILE *file, const struct gen_device_info *devinfo, brw_inst *inst)
{
if (brw_inst_src1_reg_file(devinfo, inst) == BRW_IMMEDIATE_VALUE) {
return imm(file, devinfo, brw_inst_src1_reg_type(devinfo, inst), inst);
} else if (brw_inst_access_mode(devinfo, inst) == BRW_ALIGN_1) {
if (brw_inst_src1_address_mode(devinfo, inst) == BRW_ADDRESS_DIRECT) {
return src_da1(file,
devinfo,
brw_inst_opcode(devinfo, inst),
brw_inst_src1_reg_type(devinfo, inst),
brw_inst_src1_reg_file(devinfo, inst),
brw_inst_src1_vstride(devinfo, inst),
brw_inst_src1_width(devinfo, inst),
brw_inst_src1_hstride(devinfo, inst),
brw_inst_src1_da_reg_nr(devinfo, inst),
brw_inst_src1_da1_subreg_nr(devinfo, inst),
brw_inst_src1_abs(devinfo, inst),
brw_inst_src1_negate(devinfo, inst));
} else {
return src_ia1(file,
devinfo,
brw_inst_opcode(devinfo, inst),
brw_inst_src1_reg_type(devinfo, inst),
brw_inst_src1_reg_file(devinfo, inst),
brw_inst_src1_ia1_addr_imm(devinfo, inst),
brw_inst_src1_ia_subreg_nr(devinfo, inst),
brw_inst_src1_negate(devinfo, inst),
brw_inst_src1_abs(devinfo, inst),
brw_inst_src1_hstride(devinfo, inst),
brw_inst_src1_width(devinfo, inst),
brw_inst_src1_vstride(devinfo, inst));
}
} else {
if (brw_inst_src1_address_mode(devinfo, inst) == BRW_ADDRESS_DIRECT) {
return src_da16(file,
devinfo,
brw_inst_opcode(devinfo, inst),
brw_inst_src1_reg_type(devinfo, inst),
brw_inst_src1_reg_file(devinfo, inst),
brw_inst_src1_vstride(devinfo, inst),
brw_inst_src1_da_reg_nr(devinfo, inst),
brw_inst_src1_da16_subreg_nr(devinfo, inst),
brw_inst_src1_abs(devinfo, inst),
brw_inst_src1_negate(devinfo, inst),
brw_inst_src1_da16_swiz_x(devinfo, inst),
brw_inst_src1_da16_swiz_y(devinfo, inst),
brw_inst_src1_da16_swiz_z(devinfo, inst),
brw_inst_src1_da16_swiz_w(devinfo, inst));
} else {
string(file, "Indirect align16 address mode not supported");
return 1;
}
}
}
static int
qtr_ctrl(FILE *file, const struct gen_device_info *devinfo, brw_inst *inst)
{
int qtr_ctl = brw_inst_qtr_control(devinfo, inst);
int exec_size = 1 << brw_inst_exec_size(devinfo, inst);
if (exec_size < 8) {
const unsigned nib_ctl = devinfo->gen < 7 ? 0 :
brw_inst_nib_control(devinfo, inst);
format(file, " %dN", qtr_ctl * 2 + nib_ctl + 1);
} else if (exec_size == 8) {
switch (qtr_ctl) {
case 0:
string(file, " 1Q");
break;
case 1:
string(file, " 2Q");
break;
case 2:
string(file, " 3Q");
break;
case 3:
string(file, " 4Q");
break;
}
} else if (exec_size == 16) {
if (qtr_ctl < 2)
string(file, " 1H");
else
string(file, " 2H");
}
return 0;
}
#ifdef DEBUG
static __attribute__((__unused__)) int
brw_disassemble_imm(const struct gen_device_info *devinfo,
uint32_t dw3, uint32_t dw2, uint32_t dw1, uint32_t dw0)
{
brw_inst inst;
inst.data[0] = (((uint64_t) dw1) << 32) | ((uint64_t) dw0);
inst.data[1] = (((uint64_t) dw3) << 32) | ((uint64_t) dw2);
return brw_disassemble_inst(stderr, devinfo, &inst, false);
}
#endif
int
brw_disassemble_inst(FILE *file, const struct gen_device_info *devinfo,
brw_inst *inst, bool is_compacted)
{
int err = 0;
int space = 0;
const enum opcode opcode = brw_inst_opcode(devinfo, inst);
const struct opcode_desc *desc = brw_opcode_desc(devinfo, opcode);
if (brw_inst_pred_control(devinfo, inst)) {
string(file, "(");
err |= control(file, "predicate inverse", pred_inv,
brw_inst_pred_inv(devinfo, inst), NULL);
format(file, "f%"PRIu64, devinfo->gen >= 7 ? brw_inst_flag_reg_nr(devinfo, inst) : 0);
if (brw_inst_flag_subreg_nr(devinfo, inst))
format(file, ".%"PRIu64, brw_inst_flag_subreg_nr(devinfo, inst));
if (brw_inst_access_mode(devinfo, inst) == BRW_ALIGN_1) {
err |= control(file, "predicate control align1", pred_ctrl_align1,
brw_inst_pred_control(devinfo, inst), NULL);
} else {
err |= control(file, "predicate control align16", pred_ctrl_align16,
brw_inst_pred_control(devinfo, inst), NULL);
}
string(file, ") ");
}
err |= print_opcode(file, devinfo, opcode);
err |= control(file, "saturate", saturate, brw_inst_saturate(devinfo, inst),
NULL);
err |= control(file, "debug control", debug_ctrl,
brw_inst_debug_control(devinfo, inst), NULL);
if (opcode == BRW_OPCODE_MATH) {
string(file, " ");
err |= control(file, "function", math_function,
brw_inst_math_function(devinfo, inst), NULL);
} else if (opcode != BRW_OPCODE_SEND && opcode != BRW_OPCODE_SENDC) {
err |= control(file, "conditional modifier", conditional_modifier,
brw_inst_cond_modifier(devinfo, inst), NULL);
/* If we're using the conditional modifier, print which flags reg is
* used for it. Note that on gen6+, the embedded-condition SEL and
* control flow doesn't update flags.
*/
if (brw_inst_cond_modifier(devinfo, inst) &&
(devinfo->gen < 6 || (opcode != BRW_OPCODE_SEL &&
opcode != BRW_OPCODE_IF &&
opcode != BRW_OPCODE_WHILE))) {
format(file, ".f%"PRIu64,
devinfo->gen >= 7 ? brw_inst_flag_reg_nr(devinfo, inst) : 0);
if (brw_inst_flag_subreg_nr(devinfo, inst))
format(file, ".%"PRIu64, brw_inst_flag_subreg_nr(devinfo, inst));
}
}
if (opcode != BRW_OPCODE_NOP && opcode != BRW_OPCODE_NENOP) {
string(file, "(");
err |= control(file, "execution size", exec_size,
brw_inst_exec_size(devinfo, inst), NULL);
string(file, ")");
}
if (opcode == BRW_OPCODE_SEND && devinfo->gen < 6)
format(file, " %"PRIu64, brw_inst_base_mrf(devinfo, inst));
if (has_uip(devinfo, opcode)) {
/* Instructions that have UIP also have JIP. */
pad(file, 16);
format(file, "JIP: %d", brw_inst_jip(devinfo, inst));
pad(file, 32);
format(file, "UIP: %d", brw_inst_uip(devinfo, inst));
} else if (has_jip(devinfo, opcode)) {
pad(file, 16);
if (devinfo->gen >= 7) {
format(file, "JIP: %d", brw_inst_jip(devinfo, inst));
} else {
format(file, "JIP: %d", brw_inst_gen6_jump_count(devinfo, inst));
}
} else if (devinfo->gen < 6 && (opcode == BRW_OPCODE_BREAK ||
opcode == BRW_OPCODE_CONTINUE ||
opcode == BRW_OPCODE_ELSE)) {
pad(file, 16);
format(file, "Jump: %d", brw_inst_gen4_jump_count(devinfo, inst));
pad(file, 32);
format(file, "Pop: %"PRIu64, brw_inst_gen4_pop_count(devinfo, inst));
} else if (devinfo->gen < 6 && (opcode == BRW_OPCODE_IF ||
opcode == BRW_OPCODE_IFF ||
opcode == BRW_OPCODE_HALT)) {
pad(file, 16);
format(file, "Jump: %d", brw_inst_gen4_jump_count(devinfo, inst));
} else if (devinfo->gen < 6 && opcode == BRW_OPCODE_ENDIF) {
pad(file, 16);
format(file, "Pop: %"PRIu64, brw_inst_gen4_pop_count(devinfo, inst));
} else if (opcode == BRW_OPCODE_JMPI) {
pad(file, 16);
err |= src1(file, devinfo, inst);
} else if (desc && desc->nsrc == 3) {
pad(file, 16);
err |= dest_3src(file, devinfo, inst);
pad(file, 32);
err |= src0_3src(file, devinfo, inst);
pad(file, 48);
err |= src1_3src(file, devinfo, inst);
pad(file, 64);
err |= src2_3src(file, devinfo, inst);
} else if (desc) {
if (desc->ndst > 0) {
pad(file, 16);
err |= dest(file, devinfo, inst);
}
if (desc->nsrc > 0) {
pad(file, 32);
err |= src0(file, devinfo, inst);
}
if (desc->nsrc > 1) {
pad(file, 48);
err |= src1(file, devinfo, inst);
}
}
if (opcode == BRW_OPCODE_SEND || opcode == BRW_OPCODE_SENDC) {
enum brw_message_target sfid = brw_inst_sfid(devinfo, inst);
if (brw_inst_src1_reg_file(devinfo, inst) != BRW_IMMEDIATE_VALUE) {
/* show the indirect descriptor source */
pad(file, 48);
err |= src1(file, devinfo, inst);
}
newline(file);
pad(file, 16);
space = 0;
fprintf(file, " ");
err |= control(file, "SFID", devinfo->gen >= 6 ? gen6_sfid : gen4_sfid,
sfid, &space);
if (brw_inst_src1_reg_file(devinfo, inst) != BRW_IMMEDIATE_VALUE) {
format(file, " indirect");
} else {
switch (sfid) {
case BRW_SFID_MATH:
err |= control(file, "math function", math_function,
brw_inst_math_msg_function(devinfo, inst), &space);
err |= control(file, "math saturate", math_saturate,
brw_inst_math_msg_saturate(devinfo, inst), &space);
err |= control(file, "math signed", math_signed,
brw_inst_math_msg_signed_int(devinfo, inst), &space);
err |= control(file, "math scalar", math_scalar,
brw_inst_math_msg_data_type(devinfo, inst), &space);
err |= control(file, "math precision", math_precision,
brw_inst_math_msg_precision(devinfo, inst), &space);
break;
case BRW_SFID_SAMPLER:
if (devinfo->gen >= 5) {
err |= control(file, "sampler message", gen5_sampler_msg_type,
brw_inst_sampler_msg_type(devinfo, inst), &space);
err |= control(file, "sampler simd mode", gen5_sampler_simd_mode,
brw_inst_sampler_simd_mode(devinfo, inst), &space);
format(file, " Surface = %"PRIu64" Sampler = %"PRIu64,
brw_inst_binding_table_index(devinfo, inst),
brw_inst_sampler(devinfo, inst));
} else {
format(file, " (%"PRIu64", %"PRIu64", %"PRIu64", ",
brw_inst_binding_table_index(devinfo, inst),
brw_inst_sampler(devinfo, inst),
brw_inst_sampler_msg_type(devinfo, inst));
if (!devinfo->is_g4x) {
err |= control(file, "sampler target format",
sampler_target_format,
brw_inst_sampler_return_format(devinfo, inst), NULL);
}
string(file, ")");
}
break;
case GEN6_SFID_DATAPORT_SAMPLER_CACHE:
case GEN6_SFID_DATAPORT_CONSTANT_CACHE:
/* aka BRW_SFID_DATAPORT_READ on Gen4-5 */
if (devinfo->gen >= 6) {
format(file, " (%"PRIu64", %"PRIu64", %"PRIu64", %"PRIu64")",
brw_inst_binding_table_index(devinfo, inst),
brw_inst_dp_msg_control(devinfo, inst),
brw_inst_dp_msg_type(devinfo, inst),
devinfo->gen >= 7 ? 0 : brw_inst_dp_write_commit(devinfo, inst));
} else {
bool is_965 = devinfo->gen == 4 && !devinfo->is_g4x;
err |= control(file, "DP read message type",
is_965 ? gen4_dp_read_port_msg_type :
g45_dp_read_port_msg_type,
brw_inst_dp_read_msg_type(devinfo, inst),
&space);
format(file, " MsgCtrl = 0x%"PRIx64,
brw_inst_dp_read_msg_control(devinfo, inst));
format(file, " Surface = %"PRIu64, brw_inst_binding_table_index(devinfo, inst));
}
break;
case GEN6_SFID_DATAPORT_RENDER_CACHE: {
/* aka BRW_SFID_DATAPORT_WRITE on Gen4-5 */
unsigned msg_type = brw_inst_dp_write_msg_type(devinfo, inst);
err |= control(file, "DP rc message type",
dp_rc_msg_type(devinfo), msg_type, &space);
bool is_rt_write = msg_type ==
(devinfo->gen >= 6 ? GEN6_DATAPORT_WRITE_MESSAGE_RENDER_TARGET_WRITE
: BRW_DATAPORT_WRITE_MESSAGE_RENDER_TARGET_WRITE);
if (is_rt_write) {
err |= control(file, "RT message type", m_rt_write_subtype,
brw_inst_rt_message_type(devinfo, inst), &space);
if (devinfo->gen >= 6 && brw_inst_rt_slot_group(devinfo, inst))
string(file, " Hi");
if (brw_inst_rt_last(devinfo, inst))
string(file, " LastRT");
if (devinfo->gen < 7 && brw_inst_dp_write_commit(devinfo, inst))
string(file, " WriteCommit");
} else {
format(file, " MsgCtrl = 0x%"PRIx64,
brw_inst_dp_write_msg_control(devinfo, inst));
}
format(file, " Surface = %"PRIu64, brw_inst_binding_table_index(devinfo, inst));
break;
}
case BRW_SFID_URB: {
unsigned opcode = brw_inst_urb_opcode(devinfo, inst);
format(file, " %"PRIu64, brw_inst_urb_global_offset(devinfo, inst));
space = 1;
err |= control(file, "urb opcode",
devinfo->gen >= 7 ? gen7_urb_opcode
: gen5_urb_opcode,
opcode, &space);
if (devinfo->gen >= 7 &&
brw_inst_urb_per_slot_offset(devinfo, inst)) {
string(file, " per-slot");
}
if (opcode == GEN8_URB_OPCODE_SIMD8_WRITE ||
opcode == GEN8_URB_OPCODE_SIMD8_READ) {
if (brw_inst_urb_channel_mask_present(devinfo, inst))
string(file, " masked");
} else {
err |= control(file, "urb swizzle", urb_swizzle,
brw_inst_urb_swizzle_control(devinfo, inst),
&space);
}
if (devinfo->gen < 7) {
err |= control(file, "urb allocate", urb_allocate,
brw_inst_urb_allocate(devinfo, inst), &space);
err |= control(file, "urb used", urb_used,
brw_inst_urb_used(devinfo, inst), &space);
}
if (devinfo->gen < 8) {
err |= control(file, "urb complete", urb_complete,
brw_inst_urb_complete(devinfo, inst), &space);
}
break;
}
case BRW_SFID_THREAD_SPAWNER:
break;
case BRW_SFID_MESSAGE_GATEWAY:
format(file, " (%s)",
gen7_gateway_subfuncid[brw_inst_gateway_subfuncid(devinfo, inst)]);
break;
case GEN7_SFID_DATAPORT_DATA_CACHE:
if (devinfo->gen >= 7) {
format(file, " (");
err |= control(file, "DP DC0 message type",
dp_dc0_msg_type_gen7,
brw_inst_dp_msg_type(devinfo, inst), &space);
format(file, ", %"PRIu64", ", brw_inst_binding_table_index(devinfo, inst));
switch (brw_inst_dp_msg_type(devinfo, inst)) {
case GEN7_DATAPORT_DC_UNTYPED_ATOMIC_OP:
control(file, "atomic op", aop,
brw_inst_imm_ud(devinfo, inst) >> 8 & 0xf, &space);
break;
default:
format(file, "%"PRIu64, brw_inst_dp_msg_control(devinfo, inst));
}
format(file, ")");
break;
}
/* FALLTHROUGH */
case HSW_SFID_DATAPORT_DATA_CACHE_1: {
if (devinfo->gen >= 7) {
format(file, " (");
unsigned msg_ctrl = brw_inst_dp_msg_control(devinfo, inst);
err |= control(file, "DP DC1 message type",
dp_dc1_msg_type_hsw,
brw_inst_dp_msg_type(devinfo, inst), &space);
format(file, ", Surface = %"PRIu64", ",
brw_inst_binding_table_index(devinfo, inst));
switch (brw_inst_dp_msg_type(devinfo, inst)) {
case HSW_DATAPORT_DC_PORT1_UNTYPED_ATOMIC_OP:
case HSW_DATAPORT_DC_PORT1_TYPED_ATOMIC_OP:
case HSW_DATAPORT_DC_PORT1_ATOMIC_COUNTER_OP:
format(file, "SIMD%d,", (msg_ctrl & (1 << 4)) ? 8 : 16);
/* fallthrough */
case HSW_DATAPORT_DC_PORT1_UNTYPED_ATOMIC_OP_SIMD4X2:
case HSW_DATAPORT_DC_PORT1_TYPED_ATOMIC_OP_SIMD4X2:
case HSW_DATAPORT_DC_PORT1_ATOMIC_COUNTER_OP_SIMD4X2:
control(file, "atomic op", aop, msg_ctrl & 0xf, &space);
break;
case HSW_DATAPORT_DC_PORT1_UNTYPED_SURFACE_READ:
case HSW_DATAPORT_DC_PORT1_UNTYPED_SURFACE_WRITE:
case HSW_DATAPORT_DC_PORT1_TYPED_SURFACE_READ:
case HSW_DATAPORT_DC_PORT1_TYPED_SURFACE_WRITE: {
static const char *simd_modes[] = { "4x2", "16", "8" };
format(file, "SIMD%s, Mask = 0x%x",
simd_modes[msg_ctrl >> 4], msg_ctrl & 0xf);
break;
}
default:
format(file, "0x%x", msg_ctrl);
}
format(file, ")");
break;
}
/* FALLTHROUGH */
}
case GEN7_SFID_PIXEL_INTERPOLATOR:
if (devinfo->gen >= 7) {
format(file, " (%s, %s, 0x%02"PRIx64")",
brw_inst_pi_nopersp(devinfo, inst) ? "linear" : "persp",
pixel_interpolator_msg_types[brw_inst_pi_message_type(devinfo, inst)],
brw_inst_pi_message_data(devinfo, inst));
break;
}
/* FALLTHROUGH */
default:
format(file, "unsupported shared function ID %d", sfid);
break;
}
if (space)
string(file, " ");
format(file, "mlen %"PRIu64, brw_inst_mlen(devinfo, inst));
format(file, " rlen %"PRIu64, brw_inst_rlen(devinfo, inst));
}
}
pad(file, 64);
if (opcode != BRW_OPCODE_NOP && opcode != BRW_OPCODE_NENOP) {
string(file, "{");
space = 1;
err |= control(file, "access mode", access_mode,
brw_inst_access_mode(devinfo, inst), &space);
if (devinfo->gen >= 6) {
err |= control(file, "write enable control", wectrl,
brw_inst_mask_control(devinfo, inst), &space);
} else {
err |= control(file, "mask control", mask_ctrl,
brw_inst_mask_control(devinfo, inst), &space);
}
err |= control(file, "dependency control", dep_ctrl,
((brw_inst_no_dd_check(devinfo, inst) << 1) |
brw_inst_no_dd_clear(devinfo, inst)), &space);
if (devinfo->gen >= 6)
err |= qtr_ctrl(file, devinfo, inst);
else {
if (brw_inst_qtr_control(devinfo, inst) == BRW_COMPRESSION_COMPRESSED &&
desc && desc->ndst > 0 &&
brw_inst_dst_reg_file(devinfo, inst) == BRW_MESSAGE_REGISTER_FILE &&
brw_inst_dst_da_reg_nr(devinfo, inst) & BRW_MRF_COMPR4) {
format(file, " compr4");
} else {
err |= control(file, "compression control", compr_ctrl,
brw_inst_qtr_control(devinfo, inst), &space);
}
}
err |= control(file, "compaction", cmpt_ctrl, is_compacted, &space);
err |= control(file, "thread control", thread_ctrl,
brw_inst_thread_control(devinfo, inst), &space);
if (has_branch_ctrl(devinfo, opcode)) {
err |= control(file, "branch ctrl", branch_ctrl,
brw_inst_branch_control(devinfo, inst), &space);
} else if (devinfo->gen >= 6) {
err |= control(file, "acc write control", accwr,
brw_inst_acc_wr_control(devinfo, inst), &space);
}
if (opcode == BRW_OPCODE_SEND || opcode == BRW_OPCODE_SENDC)
err |= control(file, "end of thread", end_of_thread,
brw_inst_eot(devinfo, inst), &space);
if (space)
string(file, " ");
string(file, "}");
}
string(file, ";");
newline(file);
return err;
}