renamed matcher functions, added new ones for Vermicelli

This commit is contained in:
Konstantinos Margaritis 2021-10-27 12:32:03 +03:00 committed by Konstantinos Margaritis
parent 16e5e2ae64
commit 5eabceddcf
6 changed files with 152 additions and 28 deletions

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@ -63,7 +63,7 @@ static really_inline
const u8 *fwdBlock(SuperVector<S> mask_lo, SuperVector<S> mask_hi, SuperVector<S> chars, const u8 *buf) {
SuperVector<S> v = blockSingleMask(mask_lo, mask_hi, chars);
return firstMatch<S>(buf, v);
return first_zero_match_inverted<S>(buf, v);
}
template <uint16_t S>
@ -71,7 +71,7 @@ static really_inline
const u8 *revBlock(SuperVector<S> mask_lo, SuperVector<S> mask_hi, SuperVector<S> chars, const u8 *buf) {
SuperVector<S> v = blockSingleMask(mask_lo, mask_hi, chars);
return lastMatch<S>(buf, v);
return last_zero_match_inverted<S>(buf, v);
}
template <uint16_t S>
@ -80,7 +80,7 @@ const u8 *fwdBlockDouble(SuperVector<S> mask1_lo, SuperVector<S> mask1_hi, Super
SuperVector<S> mask = blockDoubleMask(mask1_lo, mask1_hi, mask2_lo, mask2_hi, chars);
return firstMatch<S>(buf, mask);
return first_zero_match_inverted<S>(buf, mask);
}
template <uint16_t S>

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@ -56,7 +56,7 @@ static really_inline
const u8 *fwdBlock(SuperVector<S> shuf_mask_lo_highclear, SuperVector<S> shuf_mask_lo_highset, SuperVector<S> chars, const u8 *buf) {
SuperVector<S> res = blockSingleMask(shuf_mask_lo_highclear, shuf_mask_lo_highset, chars);
return firstMatch<S>(buf, res);
return first_zero_match_inverted<S>(buf, res);
}
template <uint16_t S>
@ -120,7 +120,7 @@ static really_inline
const u8 *revBlock(SuperVector<S> shuf_mask_lo_highclear, SuperVector<S> shuf_mask_lo_highset, SuperVector<S> v,
const u8 *buf) {
SuperVector<S> res = blockSingleMask(shuf_mask_lo_highclear, shuf_mask_lo_highset, v);
return lastMatch<S>(buf, res);
return last_zero_match_inverted<S>(buf, res);
}
template <uint16_t S>

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@ -31,12 +31,6 @@
* \brief Shufti: character class acceleration.
*/
#ifndef SHUFTI_SIMD_X86_HPP
#define SHUFTI_SIMD_X86_HPP
#include "util/supervector/supervector.hpp"
#include "util/match.hpp"
template <uint16_t S>
static really_inline
const SuperVector<S> blockSingleMask(SuperVector<S> mask_lo, SuperVector<S> mask_hi, SuperVector<S> chars) {
@ -44,12 +38,10 @@ const SuperVector<S> blockSingleMask(SuperVector<S> mask_lo, SuperVector<S> mask
SuperVector<S> c_lo = chars & low4bits;
SuperVector<S> c_hi = chars.template vshr_64_imm<4>() & low4bits;
c_lo = mask_lo.template pshufb(c_lo);
c_hi = mask_hi.template pshufb(c_hi);
c_lo = mask_lo.pshufb(c_lo);
c_hi = mask_hi.pshufb(c_hi);
SuperVector c = c_lo & c_hi;
return c.eq(SuperVector<S>::Zeroes());
return (c_lo & c_hi).eq(SuperVector<S>::Zeroes());
}
template <uint16_t S>
@ -80,5 +72,3 @@ SuperVector<S> blockDoubleMask(SuperVector<S> mask1_lo, SuperVector<S> mask1_hi,
return c.eq(SuperVector<S>::Ones());
}
#endif // SHUFTI_SIMD_X86_HPP

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@ -29,7 +29,7 @@
template <>
really_really_inline
const u8 *firstMatch<16>(const u8 *buf, SuperVector<16> mask) {
const u8 *first_non_zero_match<16>(const u8 *buf, SuperVector<16> mask) {
uint32x4_t m = mask.u.u32x4[0];
uint64_t vmax = vgetq_lane_u64 (vreinterpretq_u64_u32 (vpmaxq_u32(m, m)), 0);
if (vmax != 0) {
@ -48,7 +48,44 @@ const u8 *firstMatch<16>(const u8 *buf, SuperVector<16> mask) {
template <>
really_really_inline
const u8 *lastMatch<16>(const u8 *buf, SuperVector<16> mask) {
const u8 *last_non_zero_match<16>(const u8 *buf, SuperVector<16> mask) {
uint32x4_t m = mask.u.u32x4[0];
uint64_t vmax = vgetq_lane_u64 (vreinterpretq_u64_u32 (vpmaxq_u32(m, m)), 0);
if (vmax != 0) {
typename SuperVector<16>::movemask_type z = mask.movemask();
DEBUG_PRINTF("buf %p z %08x \n", buf, z);
DEBUG_PRINTF("z %08x\n", z);
u32 pos = clz32(z & 0xffff);
DEBUG_PRINTF("match @ pos %u\n", pos);
assert(pos >= 16 && pos < 32);
return buf + (31 - pos);
} else {
return NULL; // no match
}
}
template <>
really_really_inline
const u8 *first_zero_match_inverted<16>(const u8 *buf, SuperVector<16> mask) {
uint32x4_t m = mask.u.u32x4[0];
uint64_t vmax = vgetq_lane_u64 (vreinterpretq_u64_u32 (vpmaxq_u32(m, m)), 0);
if (vmax != 0) {
typename SuperVector<16>::movemask_type z = mask.movemask();
DEBUG_PRINTF("z %08x\n", z);
DEBUG_PRINTF("buf %p z %08x \n", buf, z);
u32 pos = ctz32(z & 0xffff);
DEBUG_PRINTF("match @ pos %u\n", pos);
assert(pos < 16);
DEBUG_PRINTF("buf + pos %p\n", buf + pos);
return buf + pos;
} else {
return NULL; // no match
}
}
template <>
really_really_inline
const u8 *last_zero_match_inverted<16>(const u8 *buf, SuperVector<16> mask) {
uint32x4_t m = mask.u.u32x4[0];
uint64_t vmax = vgetq_lane_u64 (vreinterpretq_u64_u32 (vpmaxq_u32(m, m)), 0);
if (vmax != 0) {

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@ -29,7 +29,98 @@
template <>
really_really_inline
const u8 *firstMatch<16>(const u8 *buf, SuperVector<16> v) {
const u8 *first_non_zero_match<16>(const u8 *buf, SuperVector<16> v) {
SuperVector<16>::movemask_type z = v.movemask();
DEBUG_PRINTF("buf %p z %08x \n", buf, z);
DEBUG_PRINTF("z %08x\n", z);
if (unlikely(z)) {
u32 pos = ctz32(z);
DEBUG_PRINTF("~z %08x\n", ~z);
DEBUG_PRINTF("match @ pos %u\n", pos);
assert(pos < 16);
return buf + pos;
} else {
return NULL; // no match
}
}
template <>
really_really_inline
const u8 *first_non_zero_match<32>(const u8 *buf, SuperVector<32> v) {
SuperVector<32>::movemask_type z = v.movemask();
DEBUG_PRINTF("z 0x%08x\n", z);
if (unlikely(z)) {
u32 pos = ctz32(z);
assert(pos < 32);
DEBUG_PRINTF("match @ pos %u\n", pos);
return buf + pos;
} else {
return NULL; // no match
}
}
template <>
really_really_inline
const u8 *first_non_zero_match<64>(const u8 *buf, SuperVector<64>v) {
SuperVector<64>::movemask_type z = v.movemask();
DEBUG_PRINTF("z 0x%016llx\n", z);
if (unlikely(z)) {
u32 pos = ctz64(z);
DEBUG_PRINTF("match @ pos %u\n", pos);
assert(pos < 64);
return buf + pos;
} else {
return NULL; // no match
}
}
template <>
really_really_inline
const u8 *last_non_zero_match<16>(const u8 *buf, SuperVector<16> v) {
SuperVector<16>::movemask_type z = v.movemask();
DEBUG_PRINTF("buf %p z %08x \n", buf, z);
DEBUG_PRINTF("z %08x\n", z);
if (unlikely(z)) {
u32 pos = clz32(z);
DEBUG_PRINTF("match @ pos %u\n", pos);
assert(pos >= 16 && pos < 32);
return buf + (31 - pos);
} else {
return NULL; // no match
}
}
template <>
really_really_inline
const u8 *last_non_zero_match<32>(const u8 *buf, SuperVector<32> v) {
SuperVector<32>::movemask_type z = v.movemask();
DEBUG_PRINTF("z 0x%08x\n", z);
if (unlikely(z)) {
u32 pos = clz32(z);
assert(pos < 32);
DEBUG_PRINTF("match @ pos %u\n", pos);
return buf + (31 - pos);
} else {
return NULL; // no match
}
}
template <>
really_really_inline
const u8 *last_non_zero_match<64>(const u8 *buf, SuperVector<64>v) {
SuperVector<64>::movemask_type z = v.movemask();
DEBUG_PRINTF("z 0x%016llx\n", z);
if (unlikely(z)) {
u32 pos = clz64(z);
DEBUG_PRINTF("match @ pos %u\n", pos);
assert(pos < 64);
return buf + (31 - pos);
} else {
return NULL; // no match
}
}
template <>
really_really_inline
const u8 *first_zero_match_inverted<16>(const u8 *buf, SuperVector<16> v) {
SuperVector<16>::movemask_type z = v.movemask();
DEBUG_PRINTF("buf %p z %08x \n", buf, z);
DEBUG_PRINTF("z %08x\n", z);
@ -46,7 +137,7 @@ const u8 *firstMatch<16>(const u8 *buf, SuperVector<16> v) {
template <>
really_really_inline
const u8 *firstMatch<32>(const u8 *buf, SuperVector<32> v) {
const u8 *first_zero_match_inverted<32>(const u8 *buf, SuperVector<32> v) {
SuperVector<32>::movemask_type z = v.movemask();
DEBUG_PRINTF("z 0x%08x\n", z);
if (unlikely(z != 0xffffffff)) {
@ -60,7 +151,7 @@ const u8 *firstMatch<32>(const u8 *buf, SuperVector<32> v) {
}
template <>
really_really_inline
const u8 *firstMatch<64>(const u8 *buf, SuperVector<64>v) {
const u8 *first_zero_match_inverted<64>(const u8 *buf, SuperVector<64>v) {
SuperVector<64>::movemask_type z = v.movemask();
DEBUG_PRINTF("z 0x%016llx\n", z);
if (unlikely(z != ~0ULL)) {
@ -75,7 +166,7 @@ const u8 *firstMatch<64>(const u8 *buf, SuperVector<64>v) {
template <>
really_really_inline
const u8 *lastMatch<16>(const u8 *buf, SuperVector<16> v) {
const u8 *last_zero_match_inverted<16>(const u8 *buf, SuperVector<16> v) {
SuperVector<16>::movemask_type z = v.movemask();
DEBUG_PRINTF("buf %p z %08x \n", buf, z);
DEBUG_PRINTF("z %08x\n", z);
@ -92,7 +183,7 @@ const u8 *lastMatch<16>(const u8 *buf, SuperVector<16> v) {
template<>
really_really_inline
const u8 *lastMatch<32>(const u8 *buf, SuperVector<32> v) {
const u8 *last_zero_match_inverted<32>(const u8 *buf, SuperVector<32> v) {
SuperVector<32>::movemask_type z = v.movemask();
if (unlikely(z != 0xffffffff)) {
u32 pos = clz32(~z);
@ -106,7 +197,7 @@ const u8 *lastMatch<32>(const u8 *buf, SuperVector<32> v) {
template <>
really_really_inline
const u8 *lastMatch<64>(const u8 *buf, SuperVector<64> v) {
const u8 *last_zero_match_inverted<64>(const u8 *buf, SuperVector<64> v) {
SuperVector<64>::movemask_type z = v.movemask();
DEBUG_PRINTF("z 0x%016llx\n", z);
if (unlikely(z != ~0ULL)) {

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@ -38,10 +38,16 @@
#include "util/supervector/supervector.hpp"
template <u16 S>
const u8 *firstMatch(const u8 *buf, SuperVector<S> v);
const u8 *first_non_zero_match(const u8 *buf, SuperVector<S> v);
template <u16 S>
const u8 *lastMatch(const u8 *buf, SuperVector<S> v);
const u8 *last_non_zero_match(const u8 *buf, SuperVector<S> v);
template <u16 S>
const u8 *first_zero_match_inverted(const u8 *buf, SuperVector<S> v);
template <u16 S>
const u8 *last_zero_match_inverted(const u8 *buf, SuperVector<S> v);
#if defined(ARCH_IA32) || defined(ARCH_X86_64)
#include "util/arch/x86/match.hpp"