/*
* Copyright © 2013 Intel Corporation
*
* 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 <stdlib.h>
#include <string.h>
#include <getopt.h>
#include <unistd.h>
#include <stdarg.h>
#include "brw_context.h"
#include "brw_defines.h"
#include "gen8_instruction.h"
static const struct opcode_desc *m_opcode = opcode_descs;
static const char *const m_conditional_modifier[16] = {
/* [0 - BRW_CONDITIONAL_NONE] */ "",
/* [1 - BRW_CONDITIONAL_Z] */ ".e",
/* [2 - BRW_CONDITIONAL_NZ] */ ".ne",
/* [3 - BRW_CONDITIONAL_G] */ ".g",
/* [4 - BRW_CONDITIONAL_GE] */ ".ge",
/* [5 - BRW_CONDITIONAL_L] */ ".l",
/* [6 - BRW_CONDITIONAL_LE] */ ".le",
/* [7 - Reserved] */ NULL,
/* [8 - BRW_CONDITIONAL_O] */ ".o",
/* [9 - BRW_CONDITIONAL_U] */ ".u",
/* [a-f - Reserved] */
};
static const char *const m_negate[2] = { "", "-" };
static const char *const m_abs[2] = { "", "(abs)" };
static const char *const m_vert_stride[16] = {
"0",
"1",
"2",
"4",
"8",
"16",
"32",
};
static const char *const width[8] = {
"1",
"2",
"4",
"8",
"16",
};
static const char *const m_horiz_stride[4] = {
"0",
"1",
"2",
"4"
};
static const char *const m_chan_sel[4] = { "x", "y", "z", "w" };
static const char *const m_debug_ctrl[2] = { "", ".breakpoint" };
static const char *const m_saturate[2] = { "", ".sat" };
static const char *const m_accwr[2] = { "", "AccWrEnable" };
static const char *const m_maskctrl[2] = { "WE_normal", "WE_all" };
static const char *const m_exec_size[8] = {
"1",
"2",
"4",
"8",
"16",
"32",
};
static const char *const m_pred_inv[2] = { "+", "-" };
static const char *const m_pred_ctrl_align16[16] = {
"",
"",
".x",
".y",
".z",
".w",
".any4h",
".all4h",
};
static const char *const m_pred_ctrl_align1[16] = {
"",
"",
".anyv",
".allv",
".any2h",
".all2h",
".any4h",
".all4h",
".any8h",
".all8h",
".any16h",
".all16h",
".any32h",
".all32h",
};
static const char *const m_thread_ctrl[4] = {
"",
"atomic",
"switch",
};
static const char *const m_dep_ctrl[4] = {
"",
"NoDDClr",
"NoDDChk",
"NoDDClr,NoDDChk",
};
static const char *const m_mask_ctrl[4] = {
"",
"nomask",
};
static const char *const m_access_mode[2] = { "align1", "align16" };
static const char *const m_reg_type[8] = {
"UD",
"D",
"UW",
"W",
"UB",
"B",
"DF",
"F",
};
static const int reg_type_size[8] = {
/* UD */ 4,
/* D */ 4,
/* UW */ 2,
/* W */ 2,
/* UB */ 1,
/* B */ 1,
/* DF */ 8,
/* F */ 4,
};
static const char *const m_reg_file[4] = {
"A",
"g",
NULL,
"imm",
};
static const char *const m_writemask[16] = {
".(none)",
".x",
".y",
".xy",
".z",
".xz",
".yz",
".xyz",
".w",
".xw",
".yw",
".xyw",
".zw",
".xzw",
".yzw",
"",
};
static const char *const m_eot[2] = { "", "EOT" };
static const char *const m_sfid[16] = {
/* [0 - BRW_SFID_NULL] */ "null",
/* [1 - Reserved] */ NULL,
/* [2 - BRW_SFID_SAMPLER] */ "sampler",
/* [3 - BRW_SFID_MESSAGE_GATEWAY] */ "gateway",
/* [4 - GEN6_SFID_DATAPORT_SAMPLER_CACHE] */ "dp/sampler_cache",
/* [5 - GEN6_SFID_DATAPORT_RENDER_CACHE] */ "dp/render_cache",
/* [6 - BRW_SFID_URB] */ "URB",
/* [7 - BRW_SFID_THREAD_SPAWNER] */ "thread_spawner",
/* [8 - BRW_SFID_VME] */ "vme",
/* [9 - GEN6_SFID_DATAPORT_CONSTANT_CACHE] */ "dp/constant_cache",
/* [a - GEN7_SFID_DATAPORT_DATA_CACHE] */ "dp/data_cache",
/* [b - GEN7_SFID_PI] */ "pi",
/* [c - HSW_SFID_DATAPORT_DATA_CACHE_1] */ "dp/data_cache:1",
/* [d - HSW_SFID_CRE] */ "cre",
/* [e-f - Reserved */ NULL, NULL,
};
#if 0
static const char *const dp_rc_msg_type[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 UNORMc write",
};
#endif
static const char *const m_math_function[16] = {
/* [0 - Reserved] */ NULL,
/* [1 - BRW_MATH_FUNCTION_INV] */ "inv",
/* [2 - BRW_MATH_FUNCTION_LOG] */ "log",
/* [3 - BRW_MATH_FUNCTION_EXP] */ "exp",
/* [4 - BRW_MATH_FUNCTION_SQRT] */ "sqrt",
/* [5 - BRW_MATH_FUNCTION_RSQ] */ "rsq",
/* [6 - BRW_MATH_FUNCTION_SIN] */ "sin",
/* [7 - BRW_MATH_FUNCTION_COS] */ "cos",
/* [8 - Reserved] */ NULL,
/* [9 - BRW_MATH_FUNCTION_FDIV] */ "fdiv",
/* [a - BRW_MATH_FUNCTION_POW] */ "pow",
/* [b - BRW_MATH_FUNCTION_INT_DIV_QUOTIENT_AND_REMAINDER] */ "intdivmod",
/* [c - BRW_MATH_FUNCTION_INT_DIV_QUOTIENT] */ "intdiv",
/* [d - BRW_MATH_FUNCTION_INT_DIV_REMAINDER] */ "intmod",
/* [e - GEN8_MATH_FUNCTION_INVM] */ "invm",
/* [f - GEN8_MATH_FUNCTION_RSQRTM] */ "rsqrtm",
};
static const char *const m_urb_opcode[16] = {
/* [0] */ "write HWord",
/* [1] */ "write OWord",
/* [2] */ "read HWord",
/* [3] */ "read OWord",
/* [4] */ "atomic mov",
/* [5] */ "atomic inc",
/* [6] */ "atomic add",
/* [7] */ "SIMD8 write",
/* [8] */ "SIMD8 read",
/* [9-15] - reserved */
};
static const char *const m_urb_interleave[2] = { "", "interleaved" };
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, ...)
{
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, int id)
{
if (!m_opcode[id].name) {
format(file, "*** invalid opcode value %d ", id);
return 1;
}
string(file, m_opcode[id].name);
return 0;
}
static int
reg(FILE *file, unsigned reg_file, unsigned _reg_nr)
{
int err = 0;
if (reg_file == BRW_ARCHITECTURE_REGISTER_FILE) {
switch (_reg_nr & 0xf0) {
case BRW_ARF_NULL:
string(file, "null");
return -1;
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;
default:
format(file, "ARF%d", _reg_nr);
break;
}
} else {
err |= control(file, "src reg file", m_reg_file, reg_file, NULL);
format(file, "%d", _reg_nr);
}
return err;
}
static int
dest(FILE *file, struct gen8_instruction *inst)
{
int err = 0;
if (gen8_access_mode(inst) == BRW_ALIGN_1)
{
assert(gen8_dst_address_mode(inst) == BRW_ADDRESS_DIRECT);
err |= reg(file, gen8_dst_reg_file(inst), gen8_dst_da_reg_nr(inst));
if (err == -1)
return 0;
if (gen8_dst_da1_subreg_nr(inst))
format(file, ".%d", gen8_dst_da1_subreg_nr(inst) /
reg_type_size[gen8_dst_reg_type(inst)]);
string(file, "<");
err |= control(file, "horiz stride", m_horiz_stride, gen8_dst_da1_hstride(inst), NULL);
string(file, ">");
err |= control(file, "dest reg encoding", m_reg_type, gen8_dst_reg_type(inst), NULL);
}
else
{
assert(gen8_dst_address_mode(inst) == BRW_ADDRESS_DIRECT);
err |= reg(file, gen8_dst_reg_file(inst), gen8_dst_da_reg_nr(inst));
if (err == -1)
return 0;
if (gen8_dst_da16_subreg_nr(inst))
format(file, ".%d", gen8_dst_da16_subreg_nr(inst) /
reg_type_size[gen8_dst_reg_type(inst)]);
string(file, "<1>");
err |= control(file, "writemask", m_writemask, gen8_da16_writemask(inst), NULL);
err |= control(file, "dest reg encoding", m_reg_type, gen8_dst_reg_type(inst), NULL);
}
return 0;
}
#if 0
static int
dest_3src(FILE *file, gen8_instruction *inst)
{
int err = 0;
uint32_t reg_file;
if (inst->bits1.da3src.dest_reg_file)
reg_file = BRW_MESSAGE_REGISTER_FILE;
else
reg_file = BRW_GENERAL_REGISTER_FILE;
err |= reg(file, reg_file, inst->bits1.da3src.dest_reg_nr);
if (err == -1)
return 0;
if (inst->bits1.da3src.dest_subreg_nr)
format(file, ".%d", inst->bits1.da3src.dest_subreg_nr);
string(file, "<1>");
err |= control(file, "writemask", m_writemask, inst->bits1.da3src.dest_writemask, NULL);
err |= control(file, "dest reg encoding", m_reg_type, BRW_REGISTER_TYPE_F, NULL);
return 0;
}
#endif
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", m_vert_stride, vert_stride, NULL);
string(file, ",");
err |= control(file, "width", width, _width, NULL);
string(file, ",");
err |= control(file, "horiz_stride", m_horiz_stride, horiz_stride, NULL);
string(file, ">");
return err;
}
static int
src_da1(FILE *file, 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;
err |= control(file, "negate", m_negate, negate, NULL);
err |= control(file, "abs", m_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", m_reg_type, type, NULL);
return err;
}
static int
src_da16(FILE *file,
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;
err |= control(file, "negate", m_negate, negate, NULL);
err |= control(file, "abs", m_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", m_vert_stride, vert_stride, NULL);
string(file, ",4,1>");
/*
* Three kinds of swizzle display:
* identity - nothing printed
* 1->all - print the single channel
* 1->1 - print the mapping
*/
if (swz_x == BRW_CHANNEL_X &&
swz_y == BRW_CHANNEL_Y &&
swz_z == BRW_CHANNEL_Z &&
swz_w == BRW_CHANNEL_W)
{
;
}
else if (swz_x == swz_y && swz_x == swz_z && swz_x == swz_w)
{
string(file, ".");
err |= control(file, "channel select", m_chan_sel, swz_x, NULL);
}
else
{
string(file, ".");
err |= control(file, "channel select", m_chan_sel, swz_x, NULL);
err |= control(file, "channel select", m_chan_sel, swz_y, NULL);
err |= control(file, "channel select", m_chan_sel, swz_z, NULL);
err |= control(file, "channel select", m_chan_sel, swz_w, NULL);
}
err |= control(file, "src da16 reg type", m_reg_type, _reg_type, NULL);
return err;
}
#if 0
static int
src0_3src(FILE *file, gen8_instruction *inst)
{
int err = 0;
unsigned swz_x = (inst->bits2.da3src.src0_swizzle >> 0) & 0x3;
unsigned swz_y = (inst->bits2.da3src.src0_swizzle >> 2) & 0x3;
unsigned swz_z = (inst->bits2.da3src.src0_swizzle >> 4) & 0x3;
unsigned swz_w = (inst->bits2.da3src.src0_swizzle >> 6) & 0x3;
err |= control(file, "negate", m_negate, inst->bits1.da3src.src0_negate, NULL);
err |= control(file, "abs", m_abs, inst->bits1.da3src.src0_abs, NULL);
err |= reg(file, BRW_GENERAL_REGISTER_FILE, inst->bits2.da3src.src0_reg_nr);
if (err == -1)
return 0;
if (inst->bits2.da3src.src0_subreg_nr)
format(file, ".%d", inst->bits2.da3src.src0_subreg_nr);
string(file, "<4,1,1>");
err |= control(file, "src da16 reg type", m_reg_type,
BRW_REGISTER_TYPE_F, NULL);
/*
* Three kinds of swizzle display:
* identity - nothing printed
* 1->all - print the single channel
* 1->1 - print the mapping
*/
if (swz_x == BRW_CHANNEL_X &&
swz_y == BRW_CHANNEL_Y &&
swz_z == BRW_CHANNEL_Z &&
swz_w == BRW_CHANNEL_W)
{
;
}
else if (swz_x == swz_y && swz_x == swz_z && swz_x == swz_w)
{
string(file, ".");
err |= control(file, "channel select", m_chan_sel, swz_x, NULL);
}
else
{
string(file, ".");
err |= control(file, "channel select", m_chan_sel, swz_x, NULL);
err |= control(file, "channel select", m_chan_sel, swz_y, NULL);
err |= control(file, "channel select", m_chan_sel, swz_z, NULL);
err |= control(file, "channel select", m_chan_sel, swz_w, NULL);
}
return err;
}
static int
src1_3src(FILE *file, gen8_instruction *inst)
{
int err = 0;
unsigned swz_x = (inst->bits2.da3src.src1_swizzle >> 0) & 0x3;
unsigned swz_y = (inst->bits2.da3src.src1_swizzle >> 2) & 0x3;
unsigned swz_z = (inst->bits2.da3src.src1_swizzle >> 4) & 0x3;
unsigned swz_w = (inst->bits2.da3src.src1_swizzle >> 6) & 0x3;
unsigned src1_subreg_nr = (inst->bits2.da3src.src1_subreg_nr_low |
(inst->bits3.da3src.src1_subreg_nr_high << 2));
err |= control(file, "negate", m_negate, inst->bits1.da3src.src1_negate,
NULL);
err |= control(file, "abs", m_abs, inst->bits1.da3src.src1_abs, NULL);
err |= reg(file, BRW_GENERAL_REGISTER_FILE,
inst->bits3.da3src.src1_reg_nr);
if (err == -1)
return 0;
if (src1_subreg_nr)
format(file, ".%d", src1_subreg_nr);
string(file, "<4,1,1>");
err |= control(file, "src da16 reg type", m_reg_type,
BRW_REGISTER_TYPE_F, NULL);
/*
* Three kinds of swizzle display:
* identity - nothing printed
* 1->all - print the single channel
* 1->1 - print the mapping
*/
if (swz_x == BRW_CHANNEL_X &&
swz_y == BRW_CHANNEL_Y &&
swz_z == BRW_CHANNEL_Z &&
swz_w == BRW_CHANNEL_W)
{
;
}
else if (swz_x == swz_y && swz_x == swz_z && swz_x == swz_w)
{
string(file, ".");
err |= control(file, "channel select", m_chan_sel, swz_x, NULL);
}
else
{
string(file, ".");
err |= control(file, "channel select", m_chan_sel, swz_x, NULL);
err |= control(file, "channel select", m_chan_sel, swz_y, NULL);
err |= control(file, "channel select", m_chan_sel, swz_z, NULL);
err |= control(file, "channel select", m_chan_sel, swz_w, NULL);
}
return err;
}
static int
src2_3src(FILE *file, gen8_instruction *inst)
{
int err = 0;
unsigned swz_x = (inst->bits3.da3src.src2_swizzle >> 0) & 0x3;
unsigned swz_y = (inst->bits3.da3src.src2_swizzle >> 2) & 0x3;
unsigned swz_z = (inst->bits3.da3src.src2_swizzle >> 4) & 0x3;
unsigned swz_w = (inst->bits3.da3src.src2_swizzle >> 6) & 0x3;
err |= control(file, "negate", m_negate, inst->bits1.da3src.src2_negate,
NULL);
err |= control(file, "abs", m_abs, inst->bits1.da3src.src2_abs, NULL);
err |= reg(file, BRW_GENERAL_REGISTER_FILE,
inst->bits3.da3src.src2_reg_nr);
if (err == -1)
return 0;
if (inst->bits3.da3src.src2_subreg_nr)
format(file, ".%d", inst->bits3.da3src.src2_subreg_nr);
string(file, "<4,1,1>");
err |= control(file, "src da16 reg type", m_reg_type,
BRW_REGISTER_TYPE_F, NULL);
/*
* Three kinds of swizzle display:
* identity - nothing printed
* 1->all - print the single channel
* 1->1 - print the mapping
*/
if (swz_x == BRW_CHANNEL_X &&
swz_y == BRW_CHANNEL_Y &&
swz_z == BRW_CHANNEL_Z &&
swz_w == BRW_CHANNEL_W)
{
;
}
else if (swz_x == swz_y && swz_x == swz_z && swz_x == swz_w)
{
string(file, ".");
err |= control(file, "channel select", m_chan_sel, swz_x, NULL);
}
else
{
string(file, ".");
err |= control(file, "channel select", m_chan_sel, swz_x, NULL);
err |= control(file, "channel select", m_chan_sel, swz_y, NULL);
err |= control(file, "channel select", m_chan_sel, swz_z, NULL);
err |= control(file, "channel select", m_chan_sel, swz_w, NULL);
}
return err;
}
#endif
static int
imm(FILE *file, unsigned type, struct gen8_instruction *inst)
{
switch (type) {
case BRW_REGISTER_TYPE_UD:
format(file, "0x%08xUD", gen8_src1_imm_ud(inst));
break;
case BRW_REGISTER_TYPE_D:
format(file, "%dD", (int) gen8_src1_imm_d(inst));
break;
case BRW_REGISTER_TYPE_UW:
format(file, "0x%04xUW", (uint16_t) gen8_src1_imm_ud(inst));
break;
case BRW_REGISTER_TYPE_W:
format(file, "%dW", (int16_t) gen8_src1_imm_d(inst));
break;
case BRW_REGISTER_TYPE_UB:
format(file, "0x%02xUB", (int8_t) gen8_src1_imm_ud(inst));
break;
case BRW_REGISTER_TYPE_VF:
format(file, "Vector Float");
break;
case BRW_REGISTER_TYPE_V:
format(file, "0x%08xV", gen8_src1_imm_ud(inst));
break;
case BRW_REGISTER_TYPE_F:
format(file, "%-gF", gen8_src1_imm_f(inst));
}
return 0;
}
static int
src0(FILE *file, struct gen8_instruction *inst)
{
if (gen8_src0_reg_file(inst) == BRW_IMMEDIATE_VALUE)
return imm(file, gen8_src0_reg_type(inst), inst);
if (gen8_access_mode(inst) == BRW_ALIGN_1)
{
assert(gen8_src0_address_mode(inst) == BRW_ADDRESS_DIRECT);
return src_da1(file,
gen8_src0_reg_type(inst),
gen8_src0_reg_file(inst),
gen8_src0_vert_stride(inst),
gen8_src0_da1_width(inst),
gen8_src0_da1_hstride(inst),
gen8_src0_da_reg_nr(inst),
gen8_src0_da1_subreg_nr(inst),
gen8_src0_abs(inst),
gen8_src0_negate(inst));
}
else
{
assert(gen8_src0_address_mode(inst) == BRW_ADDRESS_DIRECT);
return src_da16(file,
gen8_src0_reg_type(inst),
gen8_src0_reg_file(inst),
gen8_src0_vert_stride(inst),
gen8_src0_da_reg_nr(inst),
gen8_src0_da16_subreg_nr(inst),
gen8_src0_abs(inst),
gen8_src0_negate(inst),
gen8_src0_da16_swiz_x(inst),
gen8_src0_da16_swiz_y(inst),
gen8_src0_da16_swiz_z(inst),
gen8_src0_da16_swiz_w(inst));
}
}
static int
src1(FILE *file, struct gen8_instruction *inst)
{
if (gen8_src1_reg_file(inst) == BRW_IMMEDIATE_VALUE)
return imm(file, gen8_src1_reg_type(inst), inst);
if (gen8_access_mode(inst) == BRW_ALIGN_1)
{
assert(gen8_src1_address_mode(inst) == BRW_ADDRESS_DIRECT);
return src_da1(file,
gen8_src1_reg_type(inst),
gen8_src1_reg_file(inst),
gen8_src1_vert_stride(inst),
gen8_src1_da1_width(inst),
gen8_src1_da1_hstride(inst),
gen8_src1_da_reg_nr(inst),
gen8_src1_da1_subreg_nr(inst),
gen8_src1_abs(inst),
gen8_src1_negate(inst));
}
else
{
assert(gen8_src1_address_mode(inst) == BRW_ADDRESS_DIRECT);
return src_da16(file,
gen8_src1_reg_type(inst),
gen8_src1_reg_file(inst),
gen8_src1_vert_stride(inst),
gen8_src1_da_reg_nr(inst),
gen8_src1_da16_subreg_nr(inst),
gen8_src1_abs(inst),
gen8_src1_negate(inst),
gen8_src1_da16_swiz_x(inst),
gen8_src1_da16_swiz_y(inst),
gen8_src1_da16_swiz_z(inst),
gen8_src1_da16_swiz_w(inst));
}
}
static int esize[6] = { 1, 2, 4, 8, 16, 32 };
static int
qtr_ctrl(FILE *file, struct gen8_instruction *inst)
{
int qtr_ctl = gen8_qtr_control(inst);
int exec_size = esize[gen8_exec_size(inst)];
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;
}
int
gen8_disassemble(FILE *file, struct gen8_instruction *insn, int gen)
{
int err = 0;
int space = 0;
const int opcode = gen8_opcode(insn);
if (gen8_pred_control(insn)) {
string(file, "(");
err |= control(file, "predicate inverse", m_pred_inv, gen8_pred_inv(insn), NULL);
format(file, "f%d", gen8_flag_reg_nr(insn));
if (gen8_flag_subreg_nr(insn))
format(file, ".%d", gen8_flag_subreg_nr(insn));
if (gen8_access_mode(insn) == BRW_ALIGN_1) {
err |= control(file, "predicate control align1", m_pred_ctrl_align1,
gen8_pred_control(insn), NULL);
} else {
err |= control(file, "predicate control align16", m_pred_ctrl_align16,
gen8_pred_control(insn), NULL);
}
string(file, ") ");
}
err |= print_opcode(file, opcode);
err |= control(file, "saturate", m_saturate, gen8_saturate(insn), NULL);
err |= control(file, "debug control", m_debug_ctrl, gen8_debug_control(insn), NULL);
if (opcode == BRW_OPCODE_MATH) {
string(file, " ");
err |= control(file, "function", m_math_function, gen8_math_function(insn),
NULL);
} else if (opcode != BRW_OPCODE_SEND && opcode != BRW_OPCODE_SENDC) {
err |= control(file, "conditional modifier", m_conditional_modifier,
gen8_cond_modifier(insn), NULL);
/* If we're using the conditional modifier, print the flag reg used. */
if (gen8_cond_modifier(insn) && opcode != BRW_OPCODE_SEL) {
format(file, ".f%d", gen8_flag_reg_nr(insn));
if (gen8_flag_subreg_nr(insn))
format(file, ".%d", gen8_flag_subreg_nr(insn));
}
}
if (opcode != BRW_OPCODE_NOP) {
string(file, "(");
err |= control(file, "execution size", m_exec_size, gen8_exec_size(insn), NULL);
string(file, ")");
}
if (m_opcode[opcode].nsrc == 3) {
string(file, "XXX: 3-src");
#if 0
pad(file, 16);
err |= dest_3src(file, this);
pad(file, 32);
err |= src0_3src(file, this);
pad(file, 48);
err |= src1_3src(file, this);
pad(file, 64);
err |= src2_3src(file, this);
#endif
} else {
if (m_opcode[opcode].ndst > 0) {
pad(file, 16);
err |= dest(file, insn);
} else if (opcode == BRW_OPCODE_ENDIF) {
format(file, " %d", gen8_jip(insn));
} else if (opcode == BRW_OPCODE_IF ||
opcode == BRW_OPCODE_ELSE ||
opcode == BRW_OPCODE_WHILE ||
opcode == BRW_OPCODE_BREAK ||
opcode == BRW_OPCODE_CONTINUE ||
opcode == BRW_OPCODE_HALT) {
format(file, " %d %d", gen8_jip(insn), gen8_uip(insn));
}
if (m_opcode[opcode].nsrc > 0) {
pad(file, 32);
err |= src0(file, insn);
}
if (m_opcode[opcode].nsrc > 1) {
pad(file, 48);
err |= src1(file, insn);
}
}
if (opcode == BRW_OPCODE_SEND || opcode == BRW_OPCODE_SENDC) {
const int sfid = gen8_sfid(insn);
newline(file);
pad(file, 16);
space = 0;
err |= control(file, "SFID", m_sfid, sfid, &space);
switch (sfid) {
case BRW_SFID_SAMPLER:
format(file, " (%d, %d, %d, %d)",
gen8_binding_table_index(insn),
gen8_sampler(insn),
gen8_sampler_msg_type(insn),
gen8_sampler_simd_mode(insn));
break;
case BRW_SFID_URB:
space = 1;
err |= control(file, "urb opcode", m_urb_opcode,
gen8_urb_opcode(insn), &space);
err |= control(file, "urb interleave", m_urb_interleave,
gen8_urb_interleave(insn), &space);
format(file, " %d %d",
gen8_urb_global_offset(insn), gen8_urb_per_slot_offset(insn));
break;
case GEN6_SFID_DATAPORT_SAMPLER_CACHE:
case GEN6_SFID_DATAPORT_RENDER_CACHE:
case GEN6_SFID_DATAPORT_CONSTANT_CACHE:
case GEN7_SFID_DATAPORT_DATA_CACHE:
format(file, " (%d, 0x%x)",
gen8_binding_table_index(insn),
gen8_function_control(insn));
break;
default:
format(file, "unsupported shared function ID (%d)", sfid);
break;
}
if (space)
string(file, " ");
format(file, "mlen %d", gen8_mlen(insn));
format(file, " rlen %d", gen8_rlen(insn));
}
pad(file, 64);
if (opcode != BRW_OPCODE_NOP) {
string(file, "{");
space = 1;
err |= control(file, "access mode", m_access_mode, gen8_access_mode(insn), &space);
err |= control(file, "mask control", m_maskctrl, gen8_mask_control(insn), &space);
err |= control(file, "dependency control", m_dep_ctrl, gen8_dep_control(insn), &space);
err |= qtr_ctrl(file, insn);
err |= control(file, "thread control", m_thread_ctrl, gen8_thread_control(insn), &space);
err |= control(file, "acc write control", m_accwr, gen8_acc_wr_control(insn), &space);
if (opcode == BRW_OPCODE_SEND || opcode == BRW_OPCODE_SENDC)
err |= control(file, "end of thread", m_eot, gen8_eot(insn), &space);
if (space)
string(file, " ");
string(file, "}");
}
string(file, ";");
newline(file);
return err;
}