259 lines
7.2 KiB
C
259 lines
7.2 KiB
C
/***************************************************************************
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Copyright (c) 2020, The OpenBLAS Project
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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3. Neither the name of the OpenBLAS project nor the names of
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its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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#define HAVE_KERNEL_8 1
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static void saxpy_kernel_64(long n, float *x, float *y, float alpha)
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{
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__vector float t0 = {alpha, alpha,alpha, alpha};
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__asm__
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(
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"dcbt 0, %2 \n\t"
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"dcbt 0, %3 \n\t"
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"lxvp 32, 0(%2) \n\t"
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"lxvp 34, 32(%2) \n\t"
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"lxvp 40, 64(%2) \n\t"
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"lxvp 42, 96(%2) \n\t"
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"lxvp 48, 128(%2) \n\t"
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"lxvp 50, 160(%2) \n\t"
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"lxvp 52, 192(%2) \n\t"
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"lxvp 54, 224(%2) \n\t"
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"lxvp 36, 0(%3) \n\t"
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"lxvp 38, 32(%3) \n\t"
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"lxvp 44, 64(%3) \n\t"
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"lxvp 46, 96(%3) \n\t"
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"lxvp 56, 128(%3) \n\t"
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"lxvp 58, 160(%3) \n\t"
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"lxvp 60, 192(%3) \n\t"
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"lxvp 62, 224(%3) \n\t"
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"addi %2, %2, 256 \n\t"
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"addic. %1, %1, -64 \n\t"
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"ble two%= \n\t"
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".align 5 \n"
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"one%=: \n\t"
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"xvmaddasp 36, 32, %x4 \n\t"
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"xvmaddasp 37, 33, %x4 \n\t"
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"lxvp 32, 0(%2) \n\t"
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#if (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
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"stxv 36, 0(%3) \n\t"
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"stxv 37, 16(%3) \n\t"
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#else
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"stxv 37, 0(%3) \n\t"
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"stxv 36, 16(%3) \n\t"
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#endif
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"xvmaddasp 38, 34, %x4 \n\t"
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"xvmaddasp 39, 35, %x4 \n\t"
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"lxvp 34, 32(%2) \n\t"
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#if (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
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"stxv 38, 32(%3) \n\t"
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"stxv 39, 48(%3) \n\t"
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#else
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"stxv 39, 32(%3) \n\t"
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"stxv 38, 48(%3) \n\t"
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#endif
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"lxvp 36, 256(%3) \n\t"
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"lxvp 38, 288(%3) \n\t"
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"xvmaddasp 44, 40, %x4 \n\t"
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"xvmaddasp 45, 41, %x4 \n\t"
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"lxvp 40, 64(%2) \n\t"
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#if (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
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"stxv 44, 64(%3) \n\t"
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"stxv 45, 80(%3) \n\t"
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#else
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"stxv 45, 64(%3) \n\t"
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"stxv 44, 80(%3) \n\t"
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#endif
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"xvmaddasp 46, 42, %x4 \n\t"
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"xvmaddasp 47, 43, %x4 \n\t"
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"lxvp 42, 96(%2) \n\t"
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#if (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
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"stxv 46, 96(%3) \n\t"
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"stxv 47, 112(%3) \n\t"
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#else
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"stxv 47, 96(%3) \n\t"
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"stxv 46, 112(%3) \n\t"
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#endif
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"lxvp 44, 320(%3) \n\t"
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"lxvp 46, 352(%3) \n\t"
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"xvmaddasp 56, 48, %x4 \n\t"
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"xvmaddasp 57, 49, %x4 \n\t"
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"lxvp 48, 128(%2) \n\t"
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#if (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
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"stxv 56, 128(%3) \n\t"
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"stxv 57, 144(%3) \n\t"
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#else
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"stxv 57, 128(%3) \n\t"
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"stxv 56, 144(%3) \n\t"
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#endif
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"xvmaddasp 58, 50, %x4 \n\t"
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"xvmaddasp 59, 51, %x4 \n\t"
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"lxvp 50, 160(%2) \n\t"
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#if (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
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"stxv 58, 160(%3) \n\t"
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"stxv 59, 176(%3) \n\t"
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#else
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"stxv 59, 160(%3) \n\t"
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"stxv 58, 176(%3) \n\t"
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#endif
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"lxvp 56, 384(%3) \n\t"
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"lxvp 58, 416(%3) \n\t"
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"xvmaddasp 60, 52, %x4 \n\t"
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"xvmaddasp 61, 53, %x4 \n\t"
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"lxvp 52, 192(%2) \n\t"
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#if (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
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"stxv 60, 192(%3) \n\t"
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"stxv 61, 208(%3) \n\t"
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#else
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"stxv 61, 192(%3) \n\t"
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"stxv 60, 208(%3) \n\t"
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#endif
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"xvmaddasp 62, 54, %x4 \n\t"
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"xvmaddasp 63, 55, %x4 \n\t"
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"lxvp 54, 224(%2) \n\t"
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#if (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
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"stxv 62, 224(%3) \n\t"
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"stxv 63, 240(%3) \n\t"
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#else
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"stxv 63, 224(%3) \n\t"
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"stxv 62, 240(%3) \n\t"
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#endif
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"lxvp 60, 448(%3) \n\t"
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"lxvp 62, 480(%3) \n\t"
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"addi %2, %2, 256 \n\t"
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"addi %3, %3, 256 \n\t"
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"addic. %1, %1, -64 \n\t"
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"bgt one%= \n"
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"two%=: \n\t"
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"xvmaddasp 36, 32, %x4 \n\t"
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"xvmaddasp 37, 33, %x4 \n\t"
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"xvmaddasp 38, 34, %x4 \n\t"
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"xvmaddasp 39, 35, %x4 \n\t"
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"xvmaddasp 44, 40, %x4 \n\t"
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"xvmaddasp 45, 41, %x4 \n\t"
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"xvmaddasp 46, 42, %x4 \n\t"
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"xvmaddasp 47, 43, %x4 \n\t"
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"xvmaddasp 56, 48, %x4 \n\t"
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"xvmaddasp 57, 49, %x4 \n\t"
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"xvmaddasp 58, 50, %x4 \n\t"
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"xvmaddasp 59, 51, %x4 \n\t"
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"xvmaddasp 60, 52, %x4 \n\t"
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"xvmaddasp 61, 53, %x4 \n\t"
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"xvmaddasp 62, 54, %x4 \n\t"
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"xvmaddasp 63, 55, %x4 \n\t"
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#if (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
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"stxv 36, 0(%3) \n\t"
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"stxv 37, 16(%3) \n\t"
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"stxv 38, 32(%3) \n\t"
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"stxv 39, 48(%3) \n\t"
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"stxv 44, 64(%3) \n\t"
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"stxv 45, 80(%3) \n\t"
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"stxv 46, 96(%3) \n\t"
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"stxv 47, 112(%3) \n\t"
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"stxv 56, 128(%3) \n\t"
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"stxv 57, 144(%3) \n\t"
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"stxv 58, 160(%3) \n\t"
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"stxv 59, 176(%3) \n\t"
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"stxv 60, 192(%3) \n\t"
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"stxv 61, 208(%3) \n\t"
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"stxv 62, 224(%3) \n\t"
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"stxv 63, 240(%3) \n\t"
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#else
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"stxv 37, 0(%3) \n\t"
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"stxv 36, 16(%3) \n\t"
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"stxv 39, 32(%3) \n\t"
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"stxv 38, 48(%3) \n\t"
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"stxv 45, 64(%3) \n\t"
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"stxv 44, 80(%3) \n\t"
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"stxv 47, 96(%3) \n\t"
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"stxv 46, 112(%3) \n\t"
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"stxv 57, 128(%3) \n\t"
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"stxv 56, 144(%3) \n\t"
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"stxv 59, 160(%3) \n\t"
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"stxv 58, 176(%3) \n\t"
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"stxv 61, 192(%3) \n\t"
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"stxv 60, 208(%3) \n\t"
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"stxv 63, 224(%3) \n\t"
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"stxv 62, 240(%3) \n\t"
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#endif
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"#n=%1 x=%5=%2 y=%0=%3 t0=%x4\n"
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:
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"+m" (*y),
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"+r" (n), // 1
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"+b" (x), // 2
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"+b" (y) // 3
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:
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"wa" (t0), // 4
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"m" (*x)
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:
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"cr0",
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"vs32","vs33","vs34","vs35","vs36","vs37", "vs38", "vs39",
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"vs40","vs41","vs42","vs43","vs44","vs45","vs46","vs47",
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"vs48","vs49","vs50","vs51","vs52","vs53","vs54","vs55",
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"vs56","vs57","vs58","vs59","vs60","vs61","vs62","vs63"
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);
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}
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