vermicelli and match implementations for ppc64el added

diff --git a/src/nfa/ppc64el/vermicelli.hpp b/src/nfa/ppc64el/vermicelli.hpp
new file mode 100644 (file)
index 0000000..eeaad6a
--- /dev/null
+++ b/src/nfa/ppc64el/vermicelli.hpp
@@ -0,0 +1,126 @@
+/*
+ * Copyright (c) 2015-2020, Intel Corporation
+ * Copyright (c) 2020-2021, VectorCamp PC
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  * Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  * Neither the name of Intel Corporation nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/** \file
+ * \brief Vermicelli: single-byte and double-byte acceleration.
+ */
+
+template <uint16_t S>
+static really_inline
+const u8 *vermicelliBlock(SuperVector<S> const data, SuperVector<S> const chars, SuperVector<S> const casemask, u8 const *buf, u16 const len) {
+
+    SuperVector<S> mask = chars.eq(casemask & data);
+    return first_non_zero_match<S>(buf, mask, len);
+}
+
+template <uint16_t S>
+static really_inline
+const u8 *vermicelliBlockNeg(SuperVector<S> const data, SuperVector<S> const chars, SuperVector<S> const casemask, u8 const *buf, u16 const len) {
+
+    SuperVector<S> mask = chars.eq(casemask & data);
+    return first_zero_match_inverted<S>(buf, mask, len);
+}
+
+template <uint16_t S>
+static really_inline
+const u8 *rvermicelliBlock(SuperVector<S> const data, SuperVector<S> const chars, SuperVector<S> const casemask, u8 const *buf, u16 const len) {
+
+    SuperVector<S> mask = chars.eq(casemask & data);
+    return last_non_zero_match<S>(buf, mask, len);
+}
+
+template <uint16_t S>
+static really_inline
+const u8 *rvermicelliBlockNeg(SuperVector<S> const data, SuperVector<S> const chars, SuperVector<S> const casemask, const u8 *buf, u16 const len) {
+
+    data.print8("data");
+    chars.print8("chars");
+    casemask.print8("casemask");
+    SuperVector<S> mask = chars.eq(casemask & data);
+    mask.print8("mask");
+    return last_zero_match_inverted<S>(buf, mask, len);
+}
+
+template <uint16_t S>
+static really_inline
+const u8 *vermicelliDoubleBlock(SuperVector<S> const data, SuperVector<S> const chars1, SuperVector<S> const chars2, SuperVector<S> const casemask,
+                                u8 const c1, u8 const c2, u8 const casechar, u8 const *buf, u16 const len) {
+
+    SuperVector<S> v = casemask & data;
+    SuperVector<S> mask1 = chars1.eq(v);
+    SuperVector<S> mask2 = chars2.eq(v);
+    SuperVector<S> mask = mask1 & (mask2 >> 1);
+
+    DEBUG_PRINTF("rv[0] = %02hhx, rv[-1] = %02hhx\n", buf[0], buf[-1]);
+    bool partial_match = (((buf[0] & casechar) == c2) && ((buf[-1] & casechar) == c1));
+    DEBUG_PRINTF("partial = %d\n", partial_match);
+    if (partial_match) return buf - 1;
+
+    return first_non_zero_match<S>(buf, mask, len);
+}
+
+template <uint16_t S>
+static really_inline
+const u8 *rvermicelliDoubleBlock(SuperVector<S> const data, SuperVector<S> const chars1, SuperVector<S> const chars2, SuperVector<S> const casemask,
+                                 u8 const c1, u8 const c2, u8 const casechar, u8 const *buf, u16 const len) {
+
+    SuperVector<S> v = casemask & data;
+    SuperVector<S> mask1 = chars1.eq(v);
+    SuperVector<S> mask2 = chars2.eq(v);
+    SuperVector<S> mask = (mask1 << 1)& mask2;
+
+    DEBUG_PRINTF("buf[0] = %02hhx, buf[-1] = %02hhx\n", buf[0], buf[-1]);
+    bool partial_match = (((buf[0] & casechar) == c2) && ((buf[-1] & casechar) == c1));
+    DEBUG_PRINTF("partial = %d\n", partial_match);
+    if (partial_match) {
+        mask = mask | (SuperVector<S>::Ones() >> (S-1));
+    }
+
+    return last_non_zero_match<S>(buf, mask, len);
+}
+
+template <uint16_t S>
+static really_inline
+const u8 *vermicelliDoubleMaskedBlock(SuperVector<S> const data, SuperVector<S> const chars1, SuperVector<S> const chars2,
+                                      SuperVector<S> const mask1, SuperVector<S> const mask2,
+                                      u8 const c1, u8 const c2, u8 const m1, u8 const m2, u8 const *buf, u16 const len) {
+
+    SuperVector<S> v1 = chars1.eq(data & mask1);
+    SuperVector<S> v2 = chars2.eq(data & mask2);
+    SuperVector<S> mask = v1 & (v2 >> 1);
+
+    DEBUG_PRINTF("rv[0] = %02hhx, rv[-1] = %02hhx\n", buf[0], buf[-1]);
+    bool partial_match = (((buf[0] & m1) == c2) && ((buf[-1] & m2) == c1));
+    DEBUG_PRINTF("partial = %d\n", partial_match);
+    if (partial_match) return buf - 1;
+
+    return first_non_zero_match<S>(buf, mask, len);
+}
+
+

diff --git a/src/nfa/vermicelli_simd.cpp b/src/nfa/vermicelli_simd.cpp
index dbce6dc406e01a2aa030598082342c72b7f9d113..d790d13799d8384434e1e8e322190fc544474619 100644 (file)
--- a/src/nfa/vermicelli_simd.cpp
+++ b/src/nfa/vermicelli_simd.cpp
@@ -75,6 +75,8 @@ const u8 *vermicelliDoubleMaskedBlock(SuperVector<S> const data, SuperVector<S>
 #include "x86/vermicelli.hpp"
 #elif defined(ARCH_ARM32) || defined(ARCH_AARCH64)
 #include "arm/vermicelli.hpp"
+#elif defined(ARCH_PPC64EL)
+#include "ppc64el/vermicelli.hpp"
 #endif
 
 template <uint16_t S>

diff --git a/src/util/arch/ppc64el/match.hpp b/src/util/arch/ppc64el/match.hpp
index 3f24ce7f5e00b8fb46b632022f120c257323fea4..a3f52e411f6703f9a9b417a10c1db0c30bc6e573 100644 (file)
--- a/src/util/arch/ppc64el/match.hpp
+++ b/src/util/arch/ppc64el/match.hpp
@@ -29,11 +29,44 @@
 
 template <>
 really_really_inline
-const u8 *firstMatch<16>(const u8 *buf, SuperVector<16> v) {
-    if (unlikely(vec_any_ne(v.u.v128[0], SuperVector<16>::Ones().u.v128[0]))) {
-        SuperVector<16>::movemask_type z = v.movemask();
-        DEBUG_PRINTF("buf %p z %08x \n", buf, z);
-        DEBUG_PRINTF("z %08x\n", z);
+const u8 *first_non_zero_match<16>(const u8 *buf, SuperVector<16> v, u16 const UNUSED len) {
+    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 *last_non_zero_match<16>(const u8 *buf, SuperVector<16> v, u16 const UNUSED len) {
+    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 *first_zero_match_inverted<16>(const u8 *buf, SuperVector<16> v, u16 const UNUSED len) {
+    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 != 0xffff)) {
         u32 pos = ctz32(~z & 0xffff);
         DEBUG_PRINTF("~z %08x\n", ~z);
         DEBUG_PRINTF("match @ pos %u\n", pos);
@@ -44,13 +77,14 @@ const u8 *firstMatch<16>(const u8 *buf, SuperVector<16> v) {
     }
 }
 
+
 template <>
 really_really_inline
-const u8 *lastMatch<16>(const u8 *buf, SuperVector<16> v) {
-    if (unlikely(vec_any_ne(v.u.v128[0], SuperVector<16>::Ones().u.v128[0]))) {
-        SuperVector<16>::movemask_type z = v.movemask();
-        DEBUG_PRINTF("buf %p z %08x \n", buf, z);
-        DEBUG_PRINTF("z %08x\n", z);
+const u8 *last_zero_match_inverted<16>(const u8 *buf, SuperVector<16> v, uint16_t UNUSED len ) {
+    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 != 0xffff)) {
         u32 pos = clz32(~z & 0xffff);
         DEBUG_PRINTF("~z %08x\n", ~z);
         DEBUG_PRINTF("match @ pos %u\n", pos);

diff --git a/unit/internal/simd_utils.cpp b/unit/internal/simd_utils.cpp
index 2364003476b5294fdc3c240dd633b48f440e9f3d..b1b9bfb12703abab8824ac65b077eae926b091be 100644 (file)
--- a/unit/internal/simd_utils.cpp
+++ b/unit/internal/simd_utils.cpp
@@ -671,7 +671,6 @@ TEST(SimdUtilsTest, movq) {
 #elif defined(ARCH_PPC64EL)
     int64x2_t a = {0x123456789abcdefLL, ~0LL };
     simd = (m128) a;
-    simd = vreinterpretq_s32_s64(a);
 #endif
 #endif
     r = movq(simd);