import quincy beta 17.1.0

[ceph.git] / ceph / src / isa-l / crc / aarch64 / crc32_gzip_refl_3crc_fold.S

diff --git a/ceph/src/isa-l/crc/aarch64/crc32_gzip_refl_3crc_fold.S b/ceph/src/isa-l/crc/aarch64/crc32_gzip_refl_3crc_fold.S
new file mode 100644 (file)
index 0000000..116d62c
--- /dev/null
+++ b/ceph/src/isa-l/crc/aarch64/crc32_gzip_refl_3crc_fold.S
@@ -0,0 +1,95 @@
+########################################################################
+#  Copyright(c) 2020 Arm 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 Arm 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.
+#########################################################################
+#include "crc32_aarch64_common.h"
+       .text
+       .align          6
+       .arch           armv8-a+crc+crypto
+.macro crc32_u64       dst,src,data
+       crc32x          \dst,\src,\data
+.endm
+.macro crc32_u32       dst,src,data
+       crc32w          \dst,\src,\data
+.endm
+.macro crc32_u16       dst,src,data
+       crc32h          \dst,\src,\data
+.endm
+.macro crc32_u8        dst,src,data
+       crc32b          \dst,\src,\data
+.endm
+.macro declare_var_vector_reg name:req,reg:req
+       q\name  .req    q\reg
+       v\name  .req    v\reg
+       s\name  .req    s\reg
+       d\name  .req    d\reg
+.endm
+
+       BUF             .req    x1
+       ptr_crc0        .req    x1
+       LEN             .req    x2
+       wCRC            .req    w0
+       crc0            .req    w0
+       xcrc0           .req    x0
+
+       crc1            .req    w3
+       crc2            .req    w4
+       xcrc1           .req    x3
+       const_adr       .req    x3
+       ptr_crc1        .req    x6
+       ptr_crc2        .req    x7
+       crc0_data0      .req    x9
+       crc0_data1      .req    x10
+       crc1_data0      .req    x11
+       crc1_data1      .req    x12
+       crc2_data0      .req    x13
+       crc2_data1      .req    x14
+
+       wdata           .req    w3
+       data0           .req    x3
+       data1           .req    x4
+       data2           .req    x5
+       data3           .req    x6
+
+       declare_var_vector_reg  tmp0,0
+       declare_var_vector_reg  tmp1,1
+       declare_var_vector_reg  const0,2
+       declare_var_vector_reg  const1,3
+
+/**
+       uint32_t crc32_gzip_refl(
+               uint32_t wCRC,
+               const unsigned char *BUF,
+               uint64_t LEN
+               );
+*/
+
+       .global crc32_gzip_refl_3crc_fold
+       .type   crc32_gzip_refl_3crc_fold, %function
+crc32_gzip_refl_3crc_fold:
+       crc32_3crc_fold crc32
+       .size   crc32_gzip_refl_3crc_fold, .-crc32_gzip_refl_3crc_fold