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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 18:24:20 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 18:24:20 +0000
commit483eb2f56657e8e7f419ab1a4fab8dce9ade8609 (patch)
treee5d88d25d870d5dedacb6bbdbe2a966086a0a5cf /src/crypto/isa-l/isa-l_crypto/include/memcpy_inline.h
parentInitial commit. (diff)
downloadceph-upstream.tar.xz
ceph-upstream.zip
Adding upstream version 14.2.21.upstream/14.2.21upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/crypto/isa-l/isa-l_crypto/include/memcpy_inline.h')
-rw-r--r--src/crypto/isa-l/isa-l_crypto/include/memcpy_inline.h363
1 files changed, 363 insertions, 0 deletions
diff --git a/src/crypto/isa-l/isa-l_crypto/include/memcpy_inline.h b/src/crypto/isa-l/isa-l_crypto/include/memcpy_inline.h
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+++ b/src/crypto/isa-l/isa-l_crypto/include/memcpy_inline.h
@@ -0,0 +1,363 @@
+/**********************************************************************
+ Copyright(c) 2011-2016 Intel Corporation All rights reserved.
+
+ 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 memcpy_inline.h
+ * @brief Defines intrinsic memcpy functions used by the new hashing API
+ *
+ */
+
+#ifndef _MEMCPY_H_
+#define _MEMCPY_H_
+
+#include "intrinreg.h"
+#include <assert.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define memcpy_varlen memcpy_sse_varlen
+#define memcpy_fixedlen memcpy_sse_fixedlen
+
+#define memclr_varlen memclr_sse_varlen
+#define memclr_fixedlen memclr_sse_fixedlen
+
+static inline void memcpy_lte32_sse_fixedlen(void* dst, const void* src, size_t nbytes);
+static inline void memcpy_gte16_sse_fixedlen(void* dst, const void* src, size_t nbytes);
+static inline void memcpy_sse_fixedlen (void* dst, const void* src, size_t nbytes);
+
+static inline void memcpy_lte32_sse_varlen (void* dst, const void* src, size_t nbytes);
+static inline void memcpy_gte16_sse_varlen (void* dst, const void* src, size_t nbytes);
+static inline void memcpy_sse_varlen (void* dst, const void* src, size_t nbytes);
+
+
+static inline void memclr_lte32_sse_fixedlen(void* dst, size_t nbytes);
+static inline void memclr_gte16_sse_fixedlen(void* dst, size_t nbytes);
+static inline void memclr_sse_fixedlen (void* dst, size_t nbytes);
+
+static inline void memclr_lte32_sse_varlen (void* dst, size_t nbytes);
+static inline void memclr_gte16_sse_varlen (void* dst, size_t nbytes);
+static inline void memclr_sse_varlen (void* dst, size_t nbytes);
+
+#define MEMCPY_BETWEEN_N_AND_2N_BYTES(N, fixedwidth, dst, src, nbytes) \
+ do { \
+ intrinreg##N head; \
+ intrinreg##N tail; \
+ assert(N <= nbytes && nbytes <= 2*N); \
+ if(N == 1 || (fixedwidth && nbytes==N) ) { \
+ head = load_intrinreg##N(src); \
+ store_intrinreg##N(dst, head); \
+ } \
+ else { \
+ head = load_intrinreg##N(src); \
+ tail = load_intrinreg##N((const void*)((const char*)src + (nbytes - N))); \
+ store_intrinreg##N(dst, head); \
+ store_intrinreg##N((void*)((char*)dst + (nbytes - N)), tail); \
+ } \
+ } while(0)
+
+#define MEMCLR_BETWEEN_N_AND_2N_BYTES(N, fixedwidth, dst, nbytes) \
+ do { \
+ const intrinreg##N zero = {0}; \
+ assert(N <= nbytes && nbytes <= 2*N); \
+ if(N == 1 || (fixedwidth && nbytes==N) ) { \
+ store_intrinreg##N(dst, zero); \
+ } \
+ else { \
+ store_intrinreg##N(dst, zero); \
+ store_intrinreg##N((void*)((char*)dst + (nbytes - N)), zero); \
+ } \
+ } while(0)
+
+// Define load/store functions uniformly.
+
+#define load_intrinreg16(src) _mm_loadu_ps((const float*) src)
+#define store_intrinreg16(dst,val) _mm_storeu_ps((float*) dst, val)
+
+static inline intrinreg8 load_intrinreg8(const void *src)
+{
+ return *(intrinreg8 *) src;
+}
+
+static inline void store_intrinreg8(void *dst, intrinreg8 val)
+{
+ *(intrinreg8 *) dst = val;
+}
+
+static inline intrinreg4 load_intrinreg4(const void *src)
+{
+ return *(intrinreg4 *) src;
+}
+
+static inline void store_intrinreg4(void *dst, intrinreg4 val)
+{
+ *(intrinreg4 *) dst = val;
+}
+
+static inline intrinreg2 load_intrinreg2(const void *src)
+{
+ return *(intrinreg2 *) src;
+}
+
+static inline void store_intrinreg2(void *dst, intrinreg2 val)
+{
+ *(intrinreg2 *) dst = val;
+}
+
+static inline intrinreg1 load_intrinreg1(const void *src)
+{
+ return *(intrinreg1 *) src;
+}
+
+static inline void store_intrinreg1(void *dst, intrinreg1 val)
+{
+ *(intrinreg1 *) dst = val;
+}
+
+static inline void memcpy_gte16_sse_fixedlen(void *dst, const void *src, size_t nbytes)
+{
+ size_t i;
+ size_t j;
+ intrinreg16 pool[4];
+ size_t remaining_moves;
+ size_t tail_offset;
+ int do_tail;
+ assert(nbytes >= 16);
+
+ for (i = 0; i + 16 * 4 <= nbytes; i += 16 * 4) {
+ for (j = 0; j < 4; j++)
+ pool[j] =
+ load_intrinreg16((const void *)((const char *)src + i + 16 * j));
+ for (j = 0; j < 4; j++)
+ store_intrinreg16((void *)((char *)dst + i + 16 * j), pool[j]);
+ }
+
+ remaining_moves = (nbytes - i) / 16;
+ tail_offset = nbytes - 16;
+ do_tail = (tail_offset & (16 - 1));
+
+ for (j = 0; j < remaining_moves; j++)
+ pool[j] = load_intrinreg16((const void *)((const char *)src + i + 16 * j));
+
+ if (do_tail)
+ pool[j] = load_intrinreg16((const void *)((const char *)src + tail_offset));
+
+ for (j = 0; j < remaining_moves; j++)
+ store_intrinreg16((void *)((char *)dst + i + 16 * j), pool[j]);
+
+ if (do_tail)
+ store_intrinreg16((void *)((char *)dst + tail_offset), pool[j]);
+}
+
+static inline void memclr_gte16_sse_fixedlen(void *dst, size_t nbytes)
+{
+ size_t i;
+ size_t j;
+ const intrinreg16 zero = { 0 };
+ size_t remaining_moves;
+ size_t tail_offset;
+ int do_tail;
+ assert(nbytes >= 16);
+
+ for (i = 0; i + 16 * 4 <= nbytes; i += 16 * 4)
+ for (j = 0; j < 4; j++)
+ store_intrinreg16((void *)((char *)dst + i + 16 * j), zero);
+
+ remaining_moves = (nbytes - i) / 16;
+ tail_offset = nbytes - 16;
+ do_tail = (tail_offset & (16 - 1));
+
+ for (j = 0; j < remaining_moves; j++)
+ store_intrinreg16((void *)((char *)dst + i + 16 * j), zero);
+
+ if (do_tail)
+ store_intrinreg16((void *)((char *)dst + tail_offset), zero);
+}
+
+static inline void memcpy_lte32_sse_fixedlen(void *dst, const void *src, size_t nbytes)
+{
+ assert(nbytes <= 32);
+ if (nbytes >= 16)
+ MEMCPY_BETWEEN_N_AND_2N_BYTES(16, 1, dst, src, nbytes);
+ else if (nbytes >= 8)
+ MEMCPY_BETWEEN_N_AND_2N_BYTES(8, 1, dst, src, nbytes);
+ else if (nbytes >= 4)
+ MEMCPY_BETWEEN_N_AND_2N_BYTES(4, 1, dst, src, nbytes);
+ else if (nbytes >= 2)
+ MEMCPY_BETWEEN_N_AND_2N_BYTES(2, 1, dst, src, nbytes);
+ else if (nbytes >= 1)
+ MEMCPY_BETWEEN_N_AND_2N_BYTES(1, 1, dst, src, nbytes);
+}
+
+static inline void memclr_lte32_sse_fixedlen(void *dst, size_t nbytes)
+{
+ assert(nbytes <= 32);
+ if (nbytes >= 16)
+ MEMCLR_BETWEEN_N_AND_2N_BYTES(16, 1, dst, nbytes);
+ else if (nbytes >= 8)
+ MEMCLR_BETWEEN_N_AND_2N_BYTES(8, 1, dst, nbytes);
+ else if (nbytes >= 4)
+ MEMCLR_BETWEEN_N_AND_2N_BYTES(4, 1, dst, nbytes);
+ else if (nbytes >= 2)
+ MEMCLR_BETWEEN_N_AND_2N_BYTES(2, 1, dst, nbytes);
+ else if (nbytes >= 1)
+ MEMCLR_BETWEEN_N_AND_2N_BYTES(1, 1, dst, nbytes);
+}
+
+static inline void memcpy_lte32_sse_varlen(void *dst, const void *src, size_t nbytes)
+{
+ assert(nbytes <= 32);
+ if (nbytes >= 16)
+ MEMCPY_BETWEEN_N_AND_2N_BYTES(16, 0, dst, src, nbytes);
+ else if (nbytes >= 8)
+ MEMCPY_BETWEEN_N_AND_2N_BYTES(8, 0, dst, src, nbytes);
+ else if (nbytes >= 4)
+ MEMCPY_BETWEEN_N_AND_2N_BYTES(4, 0, dst, src, nbytes);
+ else if (nbytes >= 2)
+ MEMCPY_BETWEEN_N_AND_2N_BYTES(2, 0, dst, src, nbytes);
+ else if (nbytes >= 1)
+ MEMCPY_BETWEEN_N_AND_2N_BYTES(1, 0, dst, src, nbytes);
+}
+
+static inline void memclr_lte32_sse_varlen(void *dst, size_t nbytes)
+{
+ assert(nbytes <= 32);
+ if (nbytes >= 16)
+ MEMCLR_BETWEEN_N_AND_2N_BYTES(16, 0, dst, nbytes);
+ else if (nbytes >= 8)
+ MEMCLR_BETWEEN_N_AND_2N_BYTES(8, 0, dst, nbytes);
+ else if (nbytes >= 4)
+ MEMCLR_BETWEEN_N_AND_2N_BYTES(4, 0, dst, nbytes);
+ else if (nbytes >= 2)
+ MEMCLR_BETWEEN_N_AND_2N_BYTES(2, 0, dst, nbytes);
+ else if (nbytes >= 1)
+ MEMCLR_BETWEEN_N_AND_2N_BYTES(1, 0, dst, nbytes);
+}
+
+static inline void memcpy_gte16_sse_varlen(void *dst, const void *src, size_t nbytes)
+{
+ size_t i = 0;
+ intrinreg16 tail;
+
+ assert(nbytes >= 16);
+
+ while (i + 128 <= nbytes) {
+ memcpy_gte16_sse_fixedlen((void *)((char *)dst + i),
+ (const void *)((const char *)src + i), 128);
+ i += 128;
+ }
+ if (i + 64 <= nbytes) {
+ memcpy_gte16_sse_fixedlen((void *)((char *)dst + i),
+ (const void *)((const char *)src + i), 64);
+ i += 64;
+ }
+ if (i + 32 <= nbytes) {
+ memcpy_gte16_sse_fixedlen((void *)((char *)dst + i),
+ (const void *)((const char *)src + i), 32);
+ i += 32;
+ }
+ if (i + 16 <= nbytes) {
+ memcpy_gte16_sse_fixedlen((void *)((char *)dst + i),
+ (const void *)((const char *)src + i), 16);
+ i += 16;
+ }
+
+ i = nbytes - 16;
+ tail = load_intrinreg16((const void *)((const char *)src + i));
+ store_intrinreg16((void *)((char *)dst + i), tail);
+}
+
+static inline void memclr_gte16_sse_varlen(void *dst, size_t nbytes)
+{
+ size_t i = 0;
+ const intrinreg16 zero = { 0 };
+
+ assert(nbytes >= 16);
+
+ while (i + 128 <= nbytes) {
+ memclr_gte16_sse_fixedlen((void *)((char *)dst + i), 128);
+ i += 128;
+ }
+ if (i + 64 <= nbytes) {
+ memclr_gte16_sse_fixedlen((void *)((char *)dst + i), 64);
+ i += 64;
+ }
+ if (i + 32 <= nbytes) {
+ memclr_gte16_sse_fixedlen((void *)((char *)dst + i), 32);
+ i += 32;
+ }
+ if (i + 16 <= nbytes) {
+ memclr_gte16_sse_fixedlen((void *)((char *)dst + i), 16);
+ i += 16;
+ }
+
+ i = nbytes - 16;
+ store_intrinreg16((void *)((char *)dst + i), zero);
+}
+
+static inline void memcpy_sse_fixedlen(void *dst, const void *src, size_t nbytes)
+{
+ if (nbytes >= 16)
+ memcpy_gte16_sse_fixedlen(dst, src, nbytes);
+ else
+ memcpy_lte32_sse_fixedlen(dst, src, nbytes);
+}
+
+static inline void memclr_sse_fixedlen(void *dst, size_t nbytes)
+{
+ if (nbytes >= 16)
+ memclr_gte16_sse_fixedlen(dst, nbytes);
+ else
+ memclr_lte32_sse_fixedlen(dst, nbytes);
+}
+
+static inline void memcpy_sse_varlen(void *dst, const void *src, size_t nbytes)
+{
+ if (nbytes >= 16)
+ memcpy_gte16_sse_varlen(dst, src, nbytes);
+ else
+ memcpy_lte32_sse_varlen(dst, src, nbytes);
+}
+
+static inline void memclr_sse_varlen(void *dst, size_t nbytes)
+{
+ if (nbytes >= 16)
+ memclr_gte16_sse_varlen(dst, nbytes);
+ else
+ memclr_lte32_sse_varlen(dst, nbytes);
+}
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // __MEMCPY_H