lookaround:

add 64x8 and 64x16 shufti models
add mask64 model
expand entry quantity
This commit is contained in:
Hong, Yang A
2020-10-20 20:34:50 +00:00
committed by Konstantinos Margaritis
parent e1706c435c
commit 8436f95f24
12 changed files with 892 additions and 46 deletions

View File

@@ -1,5 +1,5 @@
/*
* Copyright (c) 2016-2019, Intel Corporation
* Copyright (c) 2016-2020, Intel Corporation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -1061,6 +1061,49 @@ bool makeRoleMask32(const vector<LookEntry> &look,
return true;
}
static
bool makeRoleMask64(const vector<LookEntry> &look,
RoseProgram &program, const target_t &target) {
if (!target.has_avx512()) {
return false;
}
if (look.back().offset >= look.front().offset + 64) {
return false;
}
s32 base_offset = verify_s32(look.front().offset);
array<u8, 64> and_mask, cmp_mask;
and_mask.fill(0);
cmp_mask.fill(0);
u64a neg_mask = 0;
for (const auto &entry : look) {
u8 andmask_u8, cmpmask_u8, flip;
if (!checkReachWithFlip(entry.reach, andmask_u8, cmpmask_u8, flip)) {
return false;
}
u32 shift = entry.offset - base_offset;
assert(shift < 64);
and_mask[shift] = andmask_u8;
cmp_mask[shift] = cmpmask_u8;
if (flip) {
neg_mask |= 1ULL << shift;
}
}
DEBUG_PRINTF("and_mask %s\n",
convertMaskstoString(and_mask.data(), 64).c_str());
DEBUG_PRINTF("cmp_mask %s\n",
convertMaskstoString(cmp_mask.data(), 64).c_str());
DEBUG_PRINTF("neg_mask %llx\n", neg_mask);
DEBUG_PRINTF("base_offset %d\n", base_offset);
const auto *end_inst = program.end_instruction();
auto ri = make_unique<RoseInstrCheckMask64>(and_mask, cmp_mask, neg_mask,
base_offset, end_inst);
program.add_before_end(move(ri));
return true;
}
// Sorting by the size of every bucket.
// Used in map<u32, vector<s8>, cmpNibble>.
struct cmpNibble {
@@ -1084,6 +1127,7 @@ void getAllBuckets(const vector<LookEntry> &look,
} else {
neg_mask ^= 1ULL << (entry.offset - base_offset);
}
map <u16, u16> lo2hi;
// We treat Ascii Table as a 16x16 grid.
// Push every row in cr into lo2hi and mark the row number.
@@ -1237,6 +1281,7 @@ makeCheckShufti16x16(u32 offset_range, u8 bucket_idx,
(hi_mask, lo_mask, bucket_select_mask_32,
neg_mask & 0xffff, base_offset, end_inst);
}
static
unique_ptr<RoseInstruction>
makeCheckShufti32x16(u32 offset_range, u8 bucket_idx,
@@ -1255,10 +1300,83 @@ makeCheckShufti32x16(u32 offset_range, u8 bucket_idx,
}
static
bool makeRoleShufti(const vector<LookEntry> &look, RoseProgram &program) {
unique_ptr<RoseInstruction>
makeCheckShufti64x8(u32 offset_range, u8 bucket_idx,
const array<u8, 32> &hi_mask, const array<u8, 32> &lo_mask,
const array<u8, 64> &bucket_select_mask,
u64a neg_mask, s32 base_offset,
const RoseInstruction *end_inst) {
if (offset_range > 64 || bucket_idx > 8) {
return nullptr;
}
array<u8, 64> hi_mask_64;
array<u8, 64> lo_mask_64;
copy(hi_mask.begin(), hi_mask.begin() + 16, hi_mask_64.begin());
copy(hi_mask.begin(), hi_mask.begin() + 16, hi_mask_64.begin() + 16);
copy(hi_mask.begin(), hi_mask.begin() + 16, hi_mask_64.begin() + 32);
copy(hi_mask.begin(), hi_mask.begin() + 16, hi_mask_64.begin() + 48);
copy(lo_mask.begin(), lo_mask.begin() + 16, lo_mask_64.begin());
copy(lo_mask.begin(), lo_mask.begin() + 16, lo_mask_64.begin() + 16);
copy(lo_mask.begin(), lo_mask.begin() + 16, lo_mask_64.begin() + 32);
copy(lo_mask.begin(), lo_mask.begin() + 16, lo_mask_64.begin() + 48);
return make_unique<RoseInstrCheckShufti64x8>
(hi_mask_64, lo_mask_64, bucket_select_mask,
neg_mask, base_offset, end_inst);
}
static
unique_ptr<RoseInstruction>
makeCheckShufti64x16(u32 offset_range, u8 bucket_idx,
const array<u8, 32> &hi_mask, const array<u8, 32> &lo_mask,
const array<u8, 64> &bucket_select_mask_lo,
const array<u8, 64> &bucket_select_mask_hi,
u64a neg_mask, s32 base_offset,
const RoseInstruction *end_inst) {
if (offset_range > 64 || bucket_idx > 16) {
return nullptr;
}
array<u8, 64> hi_mask_1;
array<u8, 64> hi_mask_2;
array<u8, 64> lo_mask_1;
array<u8, 64> lo_mask_2;
copy(hi_mask.begin(), hi_mask.begin() + 16, hi_mask_1.begin());
copy(hi_mask.begin(), hi_mask.begin() + 16, hi_mask_1.begin() + 16);
copy(hi_mask.begin(), hi_mask.begin() + 16, hi_mask_1.begin() + 32);
copy(hi_mask.begin(), hi_mask.begin() + 16, hi_mask_1.begin() + 48);
copy(hi_mask.begin() + 16, hi_mask.begin() + 32, hi_mask_2.begin());
copy(hi_mask.begin() + 16, hi_mask.begin() + 32, hi_mask_2.begin() + 16);
copy(hi_mask.begin() + 16, hi_mask.begin() + 32, hi_mask_2.begin() + 32);
copy(hi_mask.begin() + 16, hi_mask.begin() + 32, hi_mask_2.begin() + 48);
copy(lo_mask.begin(), lo_mask.begin() + 16, lo_mask_1.begin());
copy(lo_mask.begin(), lo_mask.begin() + 16, lo_mask_1.begin() + 16);
copy(lo_mask.begin(), lo_mask.begin() + 16, lo_mask_1.begin() + 32);
copy(lo_mask.begin(), lo_mask.begin() + 16, lo_mask_1.begin() + 48);
copy(lo_mask.begin() + 16, lo_mask.begin() + 32, lo_mask_2.begin());
copy(lo_mask.begin() + 16, lo_mask.begin() + 32, lo_mask_2.begin() + 16);
copy(lo_mask.begin() + 16, lo_mask.begin() + 32, lo_mask_2.begin() + 32);
copy(lo_mask.begin() + 16, lo_mask.begin() + 32, lo_mask_2.begin() + 48);
return make_unique<RoseInstrCheckShufti64x16>
(hi_mask_1, hi_mask_2, lo_mask_1, lo_mask_2, bucket_select_mask_hi,
bucket_select_mask_lo, neg_mask, base_offset, end_inst);
}
static
bool makeRoleShufti(const vector<LookEntry> &look, RoseProgram &program,
const target_t &target) {
s32 offset_limit;
if (target.has_avx512()) {
offset_limit = 64;
} else {
offset_limit = 32;
}
s32 base_offset = verify_s32(look.front().offset);
if (look.back().offset >= base_offset + 32) {
if (look.back().offset >= base_offset + offset_limit) {
return false;
}
@@ -1266,17 +1384,40 @@ bool makeRoleShufti(const vector<LookEntry> &look, RoseProgram &program) {
u64a neg_mask_64;
array<u8, 32> hi_mask;
array<u8, 32> lo_mask;
array<u8, 64> bucket_select_hi_64; // for AVX512
array<u8, 64> bucket_select_lo_64; // for AVX512
array<u8, 32> bucket_select_hi;
array<u8, 32> bucket_select_lo;
hi_mask.fill(0);
lo_mask.fill(0);
bucket_select_hi_64.fill(0);
bucket_select_lo_64.fill(0);
bucket_select_hi.fill(0); // will not be used in 16x8 and 32x8.
bucket_select_lo.fill(0);
if (!getShuftiMasks(look, hi_mask, lo_mask, bucket_select_hi.data(),
bucket_select_lo.data(), neg_mask_64, bucket_idx, 32)) {
return false;
if (target.has_avx512()) {
if (!getShuftiMasks(look, hi_mask, lo_mask, bucket_select_hi_64.data(),
bucket_select_lo_64.data(), neg_mask_64, bucket_idx,
32)) {
return false;
}
copy(bucket_select_hi_64.begin(), bucket_select_hi_64.begin() + 32,
bucket_select_hi.begin());
copy(bucket_select_lo_64.begin(), bucket_select_lo_64.begin() + 32,
bucket_select_lo.begin());
DEBUG_PRINTF("bucket_select_hi_64 %s\n",
convertMaskstoString(bucket_select_hi_64.data(), 64).c_str());
DEBUG_PRINTF("bucket_select_lo_64 %s\n",
convertMaskstoString(bucket_select_lo_64.data(), 64).c_str());
} else {
if (!getShuftiMasks(look, hi_mask, lo_mask, bucket_select_hi.data(),
bucket_select_lo.data(), neg_mask_64, bucket_idx,
32)) {
return false;
}
}
u32 neg_mask = (u32)neg_mask_64;
DEBUG_PRINTF("hi_mask %s\n",
@@ -1299,6 +1440,13 @@ bool makeRoleShufti(const vector<LookEntry> &look, RoseProgram &program) {
bucket_select_lo, neg_mask, base_offset,
end_inst);
}
if (target.has_avx512()) {
if (!ri) {
ri = makeCheckShufti64x8(offset_range, bucket_idx, hi_mask, lo_mask,
bucket_select_lo_64, neg_mask_64,
base_offset, end_inst);
}
}
if (!ri) {
ri = makeCheckShufti16x16(offset_range, bucket_idx, hi_mask, lo_mask,
bucket_select_lo, bucket_select_hi,
@@ -1309,6 +1457,13 @@ bool makeRoleShufti(const vector<LookEntry> &look, RoseProgram &program) {
bucket_select_lo, bucket_select_hi,
neg_mask, base_offset, end_inst);
}
if (target.has_avx512()) {
if (!ri) {
ri = makeCheckShufti64x16(offset_range, bucket_idx, hi_mask, lo_mask,
bucket_select_lo_64, bucket_select_hi_64,
neg_mask_64, base_offset, end_inst);
}
}
assert(ri);
program.add_before_end(move(ri));
@@ -1321,7 +1476,7 @@ bool makeRoleShufti(const vector<LookEntry> &look, RoseProgram &program) {
*/
static
void makeLookaroundInstruction(const vector<LookEntry> &look,
RoseProgram &program) {
RoseProgram &program, const target_t &target) {
assert(!look.empty());
if (makeRoleByte(look, program)) {
@@ -1345,7 +1500,11 @@ void makeLookaroundInstruction(const vector<LookEntry> &look,
return;
}
if (makeRoleShufti(look, program)) {
if (makeRoleMask64(look, program, target)) {
return;
}
if (makeRoleShufti(look, program, target)) {
return;
}
@@ -1386,7 +1545,7 @@ void makeCheckLitMaskInstruction(const RoseBuildImpl &build, u32 lit_id,
return; // all caseful chars handled by HWLM mask.
}
makeLookaroundInstruction(look, program);
makeLookaroundInstruction(look, program, build.cc.target_info);
}
static
@@ -1730,7 +1889,7 @@ void makeRoleLookaround(const RoseBuildImpl &build,
findLookaroundMasks(build, v, look_more);
mergeLookaround(look, look_more);
if (!look.empty()) {
makeLookaroundInstruction(look, program);
makeLookaroundInstruction(look, program, build.cc.target_info);
}
return;
}