assembler/bdw: Add gen8_instruction from mesa

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
This commit is contained in:
Damien Lespiau 2013-01-30 17:19:57 +00:00 committed by Ben Widawsky
parent f57f55e4da
commit c3b36592af
5 changed files with 681 additions and 2 deletions

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@ -18,6 +18,8 @@ libbrw_la_SOURCES = \
brw_eu_util.c \ brw_eu_util.c \
brw_reg.h \ brw_reg.h \
brw_structs.h \ brw_structs.h \
gen8_instruction.h \
gen8_instruction.c \
ralloc.c \ ralloc.c \
ralloc.h \ ralloc.h \
$(NULL) $(NULL)

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@ -60,6 +60,8 @@ extern "C" {
#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0])) #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
#define Elements(x) ARRAY_SIZE(x) #define Elements(x) ARRAY_SIZE(x)
typedef union { float f; int i; unsigned u; } fi_type;
#ifdef __cplusplus #ifdef __cplusplus
} /* end of extern "C" */ } /* end of extern "C" */
#endif #endif

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@ -0,0 +1,375 @@
/*
* Copyright © 2012 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
/** @file gen8_instruction.cpp
*
* A representation of a Gen8+ EU instruction, with helper methods to get
* and set various fields. This is the actual hardware format.
*/
#include "brw_defines.h"
#include "gen8_instruction.h"
void
gen8_set_dst(struct gen8_instruction *inst, struct brw_reg reg)
{
/* MRFs haven't existed since Gen7, so we better not be using them. */
if (reg.file == BRW_MESSAGE_REGISTER_FILE) {
reg.file = BRW_GENERAL_REGISTER_FILE;
reg.nr += GEN7_MRF_HACK_START;
}
assert(reg.file != BRW_MESSAGE_REGISTER_FILE);
if (reg.file == BRW_GENERAL_REGISTER_FILE)
assert(reg.nr < BRW_MAX_GRF);
gen8_set_dst_reg_file(inst, reg.file);
gen8_set_dst_reg_type(inst, reg.type);
assert(reg.address_mode == BRW_ADDRESS_DIRECT);
gen8_set_dst_da_reg_nr(inst, reg.nr);
if (gen8_access_mode(inst) == BRW_ALIGN_1) {
/* Set Dst.SubRegNum[4:0] */
gen8_set_dst_da1_subreg_nr(inst, reg.subnr);
/* Set Dst.HorzStride */
if (reg.hstride == BRW_HORIZONTAL_STRIDE_0)
reg.hstride = BRW_HORIZONTAL_STRIDE_1;
gen8_set_dst_da1_hstride(inst, reg.hstride);
} else {
/* Align16 SubRegNum only has a single bit (bit 4; bits 3:0 MBZ). */
assert(reg.subnr == 0 || reg.subnr == 16);
gen8_set_dst_da16_subreg_nr(inst, reg.subnr >> 4);
gen8_set_da16_writemask(inst, reg.dw1.bits.writemask);
}
/* Generators should set a default exec_size of either 8 (SIMD4x2 or SIMD8)
* or 16 (SIMD16), as that's normally correct. However, when dealing with
* small registers, we automatically reduce it to match the register size.
*/
if (reg.width < BRW_EXECUTE_8)
gen8_set_exec_size(inst, reg.width);
}
static void
gen8_validate_reg(struct gen8_instruction *inst, struct brw_reg reg)
{
int hstride_for_reg[] = {0, 1, 2, 4};
int vstride_for_reg[] = {0, 1, 2, 4, 8, 16, 32, 64, 128, 256};
int width_for_reg[] = {1, 2, 4, 8, 16};
int execsize_for_reg[] = {1, 2, 4, 8, 16};
int width, hstride, vstride, execsize;
if (reg.file == BRW_IMMEDIATE_VALUE) {
/* TODO: check immediate vectors */
return;
}
if (reg.file == BRW_ARCHITECTURE_REGISTER_FILE)
return;
assert(reg.hstride >= 0 && reg.hstride < Elements(hstride_for_reg));
hstride = hstride_for_reg[reg.hstride];
if (reg.vstride == 0xf) {
vstride = -1;
} else {
assert(reg.vstride >= 0 && reg.vstride < Elements(vstride_for_reg));
vstride = vstride_for_reg[reg.vstride];
}
assert(reg.width >= 0 && reg.width < Elements(width_for_reg));
width = width_for_reg[reg.width];
assert(gen8_exec_size(inst) >= 0 &&
gen8_exec_size(inst) < Elements(execsize_for_reg));
execsize = execsize_for_reg[gen8_exec_size(inst)];
/* Restrictions from 3.3.10: Register Region Restrictions. */
/* 3. */
assert(execsize >= width);
/* 4. */
if (execsize == width && hstride != 0) {
assert(vstride == -1 || vstride == width * hstride);
}
/* 5. */
if (execsize == width && hstride == 0) {
/* no restriction on vstride. */
}
/* 6. */
if (width == 1) {
assert(hstride == 0);
}
/* 7. */
if (execsize == 1 && width == 1) {
assert(hstride == 0);
assert(vstride == 0);
}
/* 8. */
if (vstride == 0 && hstride == 0) {
assert(width == 1);
}
/* 10. Check destination issues. */
}
void
gen8_set_src0(struct gen8_instruction *inst, struct brw_reg reg)
{
/* MRFs haven't existed since Gen7, so we better not be using them. */
if (reg.file == BRW_MESSAGE_REGISTER_FILE) {
reg.file = BRW_GENERAL_REGISTER_FILE;
reg.nr += GEN7_MRF_HACK_START;
}
if (reg.file == BRW_GENERAL_REGISTER_FILE)
assert(reg.nr < BRW_MAX_GRF);
gen8_validate_reg(inst, reg);
gen8_set_src0_reg_file(inst, reg.file);
gen8_set_src0_reg_type(inst, reg.type);
gen8_set_src0_abs(inst, reg.abs);
gen8_set_src0_negate(inst, reg.negate);
assert(reg.address_mode == BRW_ADDRESS_DIRECT);
if (reg.file == BRW_IMMEDIATE_VALUE) {
inst->data[3] = reg.dw1.ud;
/* Required to set some fields in src1 as well: */
gen8_set_src1_reg_file(inst, 0); /* arf */
gen8_set_src1_reg_type(inst, reg.type);
} else {
gen8_set_src0_da_reg_nr(inst, reg.nr);
if (gen8_access_mode(inst) == BRW_ALIGN_1) {
/* Set Src0.SubRegNum[4:0] */
gen8_set_src0_da1_subreg_nr(inst, reg.subnr);
if (reg.width == BRW_WIDTH_1 &&
gen8_exec_size(inst) == BRW_EXECUTE_1) {
gen8_set_src0_da1_hstride(inst, BRW_HORIZONTAL_STRIDE_0);
gen8_set_src0_vert_stride(inst, BRW_VERTICAL_STRIDE_0);
} else {
gen8_set_src0_da1_hstride(inst, reg.hstride);
gen8_set_src0_vert_stride(inst, reg.vstride);
}
gen8_set_src0_da1_width(inst, reg.width);
} else {
/* Align16 SubRegNum only has a single bit (bit 4; bits 3:0 MBZ). */
assert(reg.subnr == 0 || reg.subnr == 16);
gen8_set_src0_da16_subreg_nr(inst, reg.subnr >> 4);
gen8_set_src0_da16_swiz_x(inst,
BRW_GET_SWZ(reg.dw1.bits.swizzle,
BRW_CHANNEL_X));
gen8_set_src0_da16_swiz_y(inst,
BRW_GET_SWZ(reg.dw1.bits.swizzle,
BRW_CHANNEL_Y));
gen8_set_src0_da16_swiz_z(inst,
BRW_GET_SWZ(reg.dw1.bits.swizzle,
BRW_CHANNEL_Z));
gen8_set_src0_da16_swiz_w(inst,
BRW_GET_SWZ(reg.dw1.bits.swizzle,
BRW_CHANNEL_W));
/* This is an oddity of the fact that we're using the same
* descriptions for registers in both Align16 and Align1 modes.
*/
if (reg.vstride == BRW_VERTICAL_STRIDE_8)
gen8_set_src0_vert_stride(inst, BRW_VERTICAL_STRIDE_4);
else
gen8_set_src0_vert_stride(inst, reg.vstride);
}
}
}
void
gen8_set_src1(struct gen8_instruction *inst, struct brw_reg reg)
{
/* MRFs haven't existed since Gen7, so we better not be using them. */
if (reg.file == BRW_MESSAGE_REGISTER_FILE) {
reg.file = BRW_GENERAL_REGISTER_FILE;
reg.nr += GEN7_MRF_HACK_START;
}
if (reg.file == BRW_GENERAL_REGISTER_FILE)
assert(reg.nr < BRW_MAX_GRF);
gen8_validate_reg(inst, reg);
gen8_set_src1_reg_file(inst, reg.file);
gen8_set_src1_reg_type(inst, reg.type);
gen8_set_src1_abs(inst, reg.abs);
gen8_set_src1_negate(inst, reg.negate);
/* Only src1 can be an immediate in two-argument instructions. */
assert(gen8_src0_reg_file(inst) != BRW_IMMEDIATE_VALUE);
assert(reg.address_mode == BRW_ADDRESS_DIRECT);
if (reg.file == BRW_IMMEDIATE_VALUE) {
inst->data[3] = reg.dw1.ud;
} else {
gen8_set_src1_da_reg_nr(inst, reg.nr);
if (gen8_access_mode(inst) == BRW_ALIGN_1) {
/* Set Src0.SubRegNum[4:0] */
gen8_set_src1_da1_subreg_nr(inst, reg.subnr);
if (reg.width == BRW_WIDTH_1 &&
gen8_exec_size(inst) == BRW_EXECUTE_1) {
gen8_set_src1_da1_hstride(inst, BRW_HORIZONTAL_STRIDE_0);
gen8_set_src1_vert_stride(inst, BRW_VERTICAL_STRIDE_0);
} else {
gen8_set_src1_da1_hstride(inst, reg.hstride);
gen8_set_src1_vert_stride(inst, reg.vstride);
}
gen8_set_src1_da1_width(inst, reg.width);
} else {
/* Align16 SubRegNum only has a single bit (bit 4; bits 3:0 MBZ). */
assert(reg.subnr == 0 || reg.subnr == 16);
gen8_set_src1_da16_subreg_nr(inst, reg.subnr >> 4);
gen8_set_src1_da16_swiz_x(inst,
BRW_GET_SWZ(reg.dw1.bits.swizzle,
BRW_CHANNEL_X));
gen8_set_src1_da16_swiz_y(inst,
BRW_GET_SWZ(reg.dw1.bits.swizzle,
BRW_CHANNEL_Y));
gen8_set_src1_da16_swiz_z(inst,
BRW_GET_SWZ(reg.dw1.bits.swizzle,
BRW_CHANNEL_Z));
gen8_set_src1_da16_swiz_w(inst,
BRW_GET_SWZ(reg.dw1.bits.swizzle,
BRW_CHANNEL_W));
/* This is an oddity of the fact that we're using the same
* descriptions for registers in both Align16 and Align1 modes.
*/
if (reg.vstride == BRW_VERTICAL_STRIDE_8)
gen8_set_src1_vert_stride(inst, BRW_VERTICAL_STRIDE_4);
else
gen8_set_src1_vert_stride(inst, reg.vstride);
}
}
}
/**
* Set the Message Descriptor and Extended Message Descriptor fields
* for SEND messages.
*
* \note This zeroes out the Function Control bits, so it must be called
* \b before filling out any message-specific data. Callers can
* choose not to fill in irrelevant bits; they will be zero.
*/
static void
gen8_set_message_descriptor(struct gen8_instruction *inst,
enum brw_message_target sfid,
unsigned msg_length,
unsigned response_length,
bool header_present,
bool end_of_thread)
{
gen8_set_src1(inst, brw_imm_d(0));
gen8_set_sfid(inst, sfid);
gen8_set_mlen(inst, msg_length);
gen8_set_rlen(inst, response_length);
gen8_set_header_present(inst, header_present);
gen8_set_eot(inst, end_of_thread);
}
void
gen8_set_urb_message(struct gen8_instruction *inst,
unsigned opcode,
unsigned msg_length,
unsigned response_length,
bool end_of_thread,
unsigned offset,
bool interleave)
{
gen8_set_message_descriptor(inst, BRW_SFID_URB, msg_length, response_length,
true, end_of_thread);
gen8_set_src0(inst, brw_vec8_grf(GEN7_MRF_HACK_START + 1, 0));
gen8_set_urb_opcode(inst, 0); /* URB_WRITE_HWORD */
gen8_set_urb_global_offset(inst, offset);
gen8_set_urb_interleave(inst, interleave);
/* per_slot_offset = 0 makes it ignore offsets in message header */
gen8_set_urb_per_slot_offset(inst, 0);
}
void
gen8_set_sampler_message(struct gen8_instruction *inst,
unsigned binding_table_index,
unsigned sampler,
unsigned msg_type,
unsigned response_length,
unsigned msg_length,
bool header_present,
unsigned simd_mode)
{
gen8_set_message_descriptor(inst, BRW_SFID_SAMPLER, msg_length,
response_length, header_present, false);
gen8_set_binding_table_index(inst, binding_table_index);
gen8_set_sampler(inst, sampler);
gen8_set_sampler_msg_type(inst, msg_type);
gen8_set_sampler_simd_mode(inst, simd_mode);
}
void
gen8_set_dp_message(struct gen8_instruction *inst,
enum brw_message_target sfid,
unsigned binding_table_index,
unsigned msg_type,
unsigned msg_control,
unsigned mlen,
unsigned rlen,
bool header_present,
bool end_of_thread)
{
/* Binding table index is from 0..255 */
assert((binding_table_index & 0xff) == binding_table_index);
/* Message Type is only 5 bits */
assert((msg_type & 0x1f) == msg_type);
/* Message Control is only 6 bits */
assert((msg_control & 0x3f) == msg_control);
gen8_set_message_descriptor(inst, sfid, mlen, rlen, header_present,
end_of_thread);
gen8_set_function_control(inst,
binding_table_index | msg_type << 14 | msg_control << 8);
}

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@ -0,0 +1,300 @@
/*
* Copyright © 2012 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
/** @file gen8_instruction.h
*
* A representation of a Gen8+ EU instruction, with helper methods to get
* and set various fields. This is the actual hardware format.
*/
#ifndef GEN8_INSTRUCTION_H
#define GEN8_INSTRUCTION_H
#include <stdio.h>
#include <stdint.h>
#include "brw_compat.h"
#include "brw_reg.h"
struct gen8_instruction {
uint32_t data[4];
};
static inline unsigned gen8_bits(struct gen8_instruction *insn,
unsigned high,
unsigned low);
static inline void gen8_set_bits(struct gen8_instruction *insn,
unsigned high,
unsigned low,
unsigned value);
#define F(name, high, low) \
static inline void gen8_set_##name(struct gen8_instruction *insn, unsigned v) \
{ \
gen8_set_bits(insn, high, low, v); \
} \
static inline unsigned gen8_##name(struct gen8_instruction *insn) \
{ \
return gen8_bits(insn, high, low); \
}
/**
* Direct addressing only:
* @{
*/
F(src1_da_reg_nr, 108, 101);
F(src0_da_reg_nr, 76, 69);
F(dst_da1_hstride, 62, 61);
F(dst_da_reg_nr, 60, 53);
F(dst_da16_subreg_nr, 52, 52);
F(dst_da1_subreg_nr, 52, 48);
F(da16_writemask, 51, 48); /* Dst.ChanEn */
/** @} */
F(src1_vert_stride, 120, 117)
F(src1_da1_width, 116, 114)
F(src1_da16_swiz_w, 115, 114)
F(src1_da16_swiz_z, 113, 112)
F(src1_da1_hstride, 113, 112)
F(src1_address_mode, 111, 111)
/** Src1.SrcMod @{ */
F(src1_negate, 110, 110)
F(src1_abs, 109, 109)
/** @} */
F(src1_da16_subreg_nr, 100, 100)
F(src1_da1_subreg_nr, 100, 96)
F(src1_da16_swiz_y, 99, 98)
F(src1_da16_swiz_x, 97, 96)
F(src1_reg_type, 94, 91)
F(src1_reg_file, 90, 89)
F(src0_vert_stride, 88, 85)
F(src0_da1_width, 84, 82)
F(src0_da16_swiz_w, 83, 82)
F(src0_da16_swiz_z, 81, 80)
F(src0_da1_hstride, 81, 80)
F(src0_address_mode, 79, 79)
/** Src0.SrcMod @{ */
F(src0_negate, 78, 78)
F(src0_abs, 77, 77)
/** @} */
F(src0_da16_subreg_nr, 68, 68)
F(src0_da1_subreg_nr, 68, 64)
F(src0_da16_swiz_y, 67, 66)
F(src0_da16_swiz_x, 65, 64)
F(dst_address_mode, 63, 63)
F(src0_reg_type, 46, 43)
F(src0_reg_file, 42, 41)
F(dst_reg_type, 40, 37)
F(dst_reg_file, 36, 35)
F(mask_control, 34, 34)
F(flag_reg_nr, 33, 33)
F(flag_subreg_nr, 32, 32)
F(saturate, 31, 31)
F(branch_control, 30, 30)
F(debug_control, 30, 30)
F(cmpt_control, 29, 29)
F(acc_wr_control, 28, 28)
F(cond_modifier, 27, 24)
F(exec_size, 23, 21)
F(pred_inv, 20, 20)
F(pred_control, 19, 16)
F(thread_control, 15, 14)
F(qtr_control, 13, 12)
F(nib_control, 11, 11)
F(dep_control, 10, 9)
F(access_mode, 8, 8)
/* Bit 7 is Reserve d (for future Opcode expansion) */
F(opcode, 6, 0)
/**
* Three-source instructions:
* @{
*/
F(src2_3src_reg_nr, 125, 118)
F(src2_3src_subreg_nr, 117, 115)
F(src2_3src_swizzle, 114, 107)
F(src2_3src_rep_ctrl, 106, 106)
F(src1_3src_reg_nr, 104, 97)
F(src1_3src_subreg_hi, 96, 96)
F(src1_3src_subreg_lo, 95, 94)
F(src1_3src_swizzle, 93, 86)
F(src1_3src_rep_ctrl, 85, 85)
F(src0_3src_reg_nr, 83, 76)
F(src0_3src_subreg_nr, 75, 73)
F(src0_3src_swizzle, 72, 65)
F(src0_3src_rep_ctrl, 64, 64)
F(dst_3src_reg_nr, 63, 56)
F(dst_3src_subreg_nr, 55, 53)
F(dst_3src_writemask, 52, 49)
F(dst_3src_type, 48, 46)
F(src_3src_type, 45, 43)
F(src2_3src_negate, 42, 42)
F(src2_3src_abs, 41, 41)
F(src1_3src_negate, 40, 40)
F(src1_3src_abs, 39, 39)
F(src0_3src_negate, 38, 38)
F(src0_3src_abs, 37, 37)
/** @} */
/**
* Fields for SEND messages:
* @{
*/
F(eot, 127, 127)
F(mlen, 124, 121)
F(rlen, 120, 116)
F(header_present, 115, 115)
F(function_control, 114, 96)
F(sfid, 27, 24)
F(math_function, 27, 24)
/** @} */
/**
* URB message function control bits:
* @{
*/
F(urb_per_slot_offset, 113, 113)
F(urb_interleave, 111, 111)
F(urb_global_offset, 110, 100)
F(urb_opcode, 99, 96)
/** @} */
/**
* Sampler message function control bits:
* @{
*/
F(sampler_simd_mode, 114, 113)
F(sampler_msg_type, 112, 108)
F(sampler, 107, 104)
F(binding_table_index, 103, 96)
/** @} */
#undef F
/**
* Flow control instruction bits:
* @{
*/
static inline unsigned gen8_uip(struct gen8_instruction *insn)
{
return insn->data[2];
}
static inline void gen8_set_uip(struct gen8_instruction *insn, unsigned uip)
{
insn->data[2] = uip;
}
static inline unsigned gen8_jip(struct gen8_instruction *insn)
{
return insn->data[3];
}
static inline void gen8_set_jip(struct gen8_instruction *insn, unsigned jip)
{
insn->data[3] = jip;
}
/** @} */
static inline int gen8_src1_imm_d(struct gen8_instruction *insn)
{
return insn->data[3];
}
static inline unsigned gen8_src1_imm_ud(struct gen8_instruction *insn)
{
return insn->data[3];
}
static inline float gen8_src1_imm_f(struct gen8_instruction *insn)
{
fi_type ft;
ft.u = insn->data[3];
return ft.f;
}
void gen8_set_dst(struct gen8_instruction *insn, struct brw_reg reg);
void gen8_set_src0(struct gen8_instruction *insn, struct brw_reg reg);
void gen8_set_src1(struct gen8_instruction *insn, struct brw_reg reg);
void gen8_set_urb_message(struct gen8_instruction *insn,
unsigned opcode, unsigned mlen, unsigned rlen,
bool eot, unsigned offset, bool interleave);
void gen8_set_sampler_message(struct gen8_instruction *insn,
unsigned binding_table_index, unsigned sampler,
unsigned msg_type, unsigned rlen, unsigned mlen,
bool header_present, unsigned simd_mode);
void gen8_set_dp_message(struct gen8_instruction *insn,
enum brw_message_target sfid,
unsigned binding_table_index,
unsigned msg_type,
unsigned msg_control,
unsigned msg_length,
unsigned response_length,
bool header_present,
bool end_of_thread);
/** Disassemble the instruction. */
int gen8_disassemble(FILE *file, struct gen8_instruction *insn, int gen);
/**
* Fetch a set of contiguous bits from the instruction.
*
* Bits indexes range from 0..127; fields may not cross 32-bit boundaries.
*/
static inline unsigned
gen8_bits(struct gen8_instruction *insn, unsigned high, unsigned low)
{
/* We assume the field doesn't cross 32-bit boundaries. */
const unsigned word = high / 32;
assert(word == low / 32);
high %= 32;
low %= 32;
const unsigned mask = (((1 << (high - low + 1)) - 1) << low);
return (insn->data[word] & mask) >> low;
}
/**
* Set bits in the instruction, with proper shifting and masking.
*
* Bits indexes range from 0..127; fields may not cross 32-bit boundaries.
*/
static inline void
gen8_set_bits(struct gen8_instruction *insn,
unsigned high,
unsigned low,
unsigned value)
{
const unsigned word = high / 32;
assert(word == low / 32);
high %= 32;
low %= 32;
const unsigned mask = (((1 << (high - low + 1)) - 1) << low);
insn->data[word] = (insn->data[word] & ~mask) | ((value << low) & mask);
}
#endif

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@ -105,7 +105,7 @@ static void usage(void)
fprintf(stderr, "\t-e, --export {exportfile} Export label file\n"); fprintf(stderr, "\t-e, --export {exportfile} Export label file\n");
fprintf(stderr, "\t-l, --input_list {entrytablefile} Input entry_table_list file\n"); fprintf(stderr, "\t-l, --input_list {entrytablefile} Input entry_table_list file\n");
fprintf(stderr, "\t-o, --output {outputfile} Specify output file\n"); fprintf(stderr, "\t-o, --output {outputfile} Specify output file\n");
fprintf(stderr, "\t-g, --gen <4|5|6|7> Specify GPU generation\n"); fprintf(stderr, "\t-g, --gen <4|5|6|7|8> Specify GPU generation\n");
} }
static int hash(char *key) static int hash(char *key)
@ -319,7 +319,7 @@ int main(int argc, char **argv)
} }
} }
if (gen_level < 40 || gen_level > 75) { if (gen_level < 40 || gen_level > 80) {
usage(); usage();
exit(1); exit(1);
} }