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Use SVE for single shufti.

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Change-Id: Ic76940c5bb9b81a1c45d39e9ca396a158c50a7dc
This commit is contained in:
George Wort
2021-07-13 15:09:38 +01:00
committed by Konstantinos Margaritis
parent 56ef2d5f72
commit c95a4c3dd1
6 changed files with 390 additions and 82 deletions
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36
src/util/arch/arm/simd_utils.h
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@@ -1,5 +1,6 @@
/*
* Copyright (c) 2015-2020, Intel Corporation
* Copyright (c) 2021, Arm Limited
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -41,6 +42,41 @@
#include "util/unaligned.h"
#include "util/intrinsics.h"
#ifdef HAVE_SVE
really_really_inline
uint64_t accelSearchGetOffset(svbool_t matched) {
return svcntp_b8(svptrue_b8(), svbrkb_z(svptrue_b8(), matched));
}
really_really_inline
const u8 *accelSearchCheckMatched(const u8 *buf, svbool_t matched) {
if (unlikely(svptest_any(svptrue_b8(), matched))) {
const u8 *matchPos = buf + accelSearchGetOffset(matched);
DEBUG_PRINTF("match pos %p\n", matchPos);
return matchPos;
}
return NULL;
}
really_really_inline
const u8 *accelRevSearchCheckMatched(const u8 *buf, svbool_t matched) {
if (unlikely(svptest_any(svptrue_b8(), matched))) {
const u8 *matchPos = buf + (svcntb() -
svcntp_b8(svptrue_b8(), svbrka_z(svptrue_b8(), svrev_b8(matched))));
DEBUG_PRINTF("match pos %p\n", matchPos);
return matchPos;
}
return NULL;
}
static really_inline
svuint8_t getSVEMaskFrom128(m128 mask) {
return svld1_u8(svptrue_pat_b8(SV_VL16), (const uint8_t *)&mask);
}
#endif
#ifdef HAVE_SVE2
static really_inline