match file for ARCH_PPC64EL added

src/util/arch/ppc64el/match.hpp

@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2015-2017, 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.
+ */
+
+template <>
+really_really_inline
+const u8 *firstMatch<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 != 0xffff)) {
+        u32 pos = ctz32(~z & 0xffff);
+        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 *lastMatch<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 != 0xffff)) {
+        u32 pos = clz32(~z & 0xffff);
+        DEBUG_PRINTF("~z %08x\n", ~z);
+        DEBUG_PRINTF("match @ pos %u\n", pos);
+        assert(pos >= 16 && pos < 32);
+        return buf + (31 - pos);
+    } else {
+        return NULL; // no match
+    }
+}
+
+

src/util/arch/ppc64el/simd_utils.h

@@ -53,6 +53,24 @@ typedef __vector   uint8_t uint8x16_t;
 typedef __vector    int8_t  int8x16_t;
 
 
+#define ZEROES_8 0, 0, 0, 0, 0, 0, 0, 0
+#define ZEROES_31 ZEROES_8, ZEROES_8, ZEROES_8, 0, 0, 0, 0, 0, 0, 0
+#define ZEROES_32 ZEROES_8, ZEROES_8, ZEROES_8, ZEROES_8
+
+/** \brief LUT for the mask1bit functions. */
+ALIGN_CL_DIRECTIVE static const u8 simd_onebit_masks[] = {
+    ZEROES_32, ZEROES_32,
+    ZEROES_31, 0x01, ZEROES_32,
+    ZEROES_31, 0x02, ZEROES_32,
+    ZEROES_31, 0x04, ZEROES_32,
+    ZEROES_31, 0x08, ZEROES_32,
+    ZEROES_31, 0x10, ZEROES_32,
+    ZEROES_31, 0x20, ZEROES_32,
+    ZEROES_31, 0x40, ZEROES_32,
+    ZEROES_31, 0x80, ZEROES_32,
+    ZEROES_32, ZEROES_32,
+};
+
 static really_inline m128 ones128(void) {
     return (m128) vec_splat_s8(-1);
 }
@@ -425,14 +443,6 @@ m128 variable_byte_shift_m128(m128 in, s32 amount) {
     }
 }
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-extern const u8 simd_onebit_masks[];
-#ifdef __cplusplus
-}
-#endif
-
 static really_inline
 m128 mask1bit128(unsigned int n) {
     assert(n < sizeof(m128) * 8);

src/util/match.hpp

@@ -47,6 +47,8 @@ const u8 *lastMatch(const u8 *buf, SuperVector<S> v);
 #include "util/arch/x86/match.hpp"
 #elif defined(ARCH_ARM32) || defined(ARCH_AARCH64)
 #include "util/arch/arm/match.hpp"
+#elif defined(ARCH_PPC64EL)
+#include "util/arch/ppc64el/match.hpp"
 #endif
 
 #endif // MATCH_HPP