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| 1 | +/*************************************************************************** |
| 2 | +Copyright (c) 2021, The OpenBLAS Project |
| 3 | +All rights reserved. |
| 4 | +Redistribution and use in source and binary forms, with or without |
| 5 | +modification, are permitted provided that the following conditions are |
| 6 | +met: |
| 7 | +1. Redistributions of source code must retain the above copyright |
| 8 | +notice, this list of conditions and the following disclaimer. |
| 9 | +2. Redistributions in binary form must reproduce the above copyright |
| 10 | +notice, this list of conditions and the following disclaimer in |
| 11 | +the documentation and/or other materials provided with the |
| 12 | +distribution. |
| 13 | +3. Neither the name of the OpenBLAS project nor the names of |
| 14 | +its contributors may be used to endorse or promote products |
| 15 | +derived from this software without specific prior written permission. |
| 16 | +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 17 | +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 18 | +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 19 | +ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE |
| 20 | +LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 21 | +DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| 22 | +SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| 23 | +CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| 24 | +OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE |
| 25 | +USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 26 | +*****************************************************************************/ |
| 27 | + |
| 28 | +#define HAVE_KERNEL_8 1 |
| 29 | + |
| 30 | +static void zscal_kernel_8 (long n, double *x, double alpha_r, double alpha_i) |
| 31 | +{ |
| 32 | + __vector double t0; |
| 33 | + __vector double t1; |
| 34 | + __vector double t2; |
| 35 | + __vector double t3; |
| 36 | + __vector double t4; |
| 37 | + __vector double t5; |
| 38 | + |
| 39 | + __asm__ |
| 40 | + ( |
| 41 | + "dcbt 0, %2 \n\t" |
| 42 | + |
| 43 | + "xsnegdp 33, %x10 \n\t" // -alpha_i |
| 44 | + XXSPLTD_S(32,%x9,0) // alpha_r , alpha_r |
| 45 | + XXMRGHD_S(33,%x10, 33) // -alpha_i , alpha_i |
| 46 | + |
| 47 | + "lxvp 40, 0(%2) \n\t" |
| 48 | + "lxvp 42, 32(%2) \n\t" |
| 49 | + "lxvp 44, 64(%2) \n\t" |
| 50 | + "lxvp 46, 96(%2) \n\t" |
| 51 | + |
| 52 | + "addic. %1, %1, -8 \n\t" |
| 53 | + "ble two%= \n\t" |
| 54 | + |
| 55 | + ".align 5 \n" |
| 56 | + "one%=: \n\t" |
| 57 | + |
| 58 | + "xvmuldp 48, 40, 32 \n\t" // x0_r * alpha_r, x0_i * alpha_r |
| 59 | + "xvmuldp 49, 41, 32 \n\t" |
| 60 | + "xvmuldp 50, 42, 32 \n\t" |
| 61 | + "xvmuldp 51, 43, 32 \n\t" |
| 62 | + "xvmuldp 34, 44, 32 \n\t" |
| 63 | + "xvmuldp 35, 45, 32 \n\t" |
| 64 | + "xvmuldp 36, 46, 32 \n\t" |
| 65 | + "xvmuldp 37, 47, 32 \n\t" |
| 66 | + |
| 67 | + XXSWAPD_S(38,40) |
| 68 | + XXSWAPD_S(39,41) |
| 69 | + XXSWAPD_S(%x3,42) |
| 70 | + XXSWAPD_S(%x4,43) |
| 71 | + XXSWAPD_S(%x5,44) |
| 72 | + XXSWAPD_S(%x6,45) |
| 73 | + XXSWAPD_S(%x7,46) |
| 74 | + XXSWAPD_S(%x8,47) |
| 75 | + |
| 76 | + "xvmuldp 38, 38, 33 \n\t" // x0_i * -alpha_i, x0_r * alpha_i |
| 77 | + "xvmuldp 39, 39, 33 \n\t" |
| 78 | + |
| 79 | + |
| 80 | + "xvmuldp %x3, %x3, 33 \n\t" |
| 81 | + "xvmuldp %x4, %x4, 33 \n\t" |
| 82 | + |
| 83 | + |
| 84 | + "lxvp 40, 128(%2) \n\t" |
| 85 | + "lxvp 42, 160(%2) \n\t" |
| 86 | + "xvmuldp %x5, %x5, 33 \n\t" |
| 87 | + "xvmuldp %x6, %x6, 33 \n\t" |
| 88 | + |
| 89 | + |
| 90 | + "xvmuldp %x7, %x7, 33 \n\t" |
| 91 | + "xvmuldp %x8, %x8, 33 \n\t" |
| 92 | + "lxvp 44, 192(%2) \n\t" |
| 93 | + "lxvp 46, 224(%2) \n\t" |
| 94 | + |
| 95 | + |
| 96 | + "xvadddp 48, 48, 38 \n\t" |
| 97 | + "xvadddp 49, 49, 39 \n\t" |
| 98 | + "xvadddp 50, 50, %x3 \n\t" |
| 99 | + "xvadddp 51, 51, %x4 \n\t" |
| 100 | + "stxv 49, 0(%2) \n\t" |
| 101 | + "stxv 48, 16(%2) \n\t" |
| 102 | + "stxv 51, 32(%2) \n\t" |
| 103 | + "stxv 50, 48(%2) \n\t" |
| 104 | + |
| 105 | + |
| 106 | + "xvadddp 34, 34, %x5 \n\t" |
| 107 | + "xvadddp 35, 35, %x6 \n\t" |
| 108 | + |
| 109 | + |
| 110 | + "xvadddp 36, 36, %x7 \n\t" |
| 111 | + "xvadddp 37, 37, %x8 \n\t" |
| 112 | + |
| 113 | + "stxv 35, 64(%2) \n\t" |
| 114 | + "stxv 34, 80(%2) \n\t" |
| 115 | + "stxv 37, 96(%2) \n\t" |
| 116 | + "stxv 36, 112(%2) \n\t" |
| 117 | + |
| 118 | + "addi %2, %2, 128 \n\t" |
| 119 | + |
| 120 | + "addic. %1, %1, -8 \n\t" |
| 121 | + "bgt one%= \n" |
| 122 | + |
| 123 | + "two%=: \n\t" |
| 124 | + |
| 125 | + "xvmuldp 48, 40, 32 \n\t" // x0_r * alpha_r, x0_i * alpha_r |
| 126 | + "xvmuldp 49, 41, 32 \n\t" |
| 127 | + "xvmuldp 50, 42, 32 \n\t" |
| 128 | + "xvmuldp 51, 43, 32 \n\t" |
| 129 | + "xvmuldp 34, 44, 32 \n\t" |
| 130 | + "xvmuldp 35, 45, 32 \n\t" |
| 131 | + "xvmuldp 36, 46, 32 \n\t" |
| 132 | + "xvmuldp 37, 47, 32 \n\t" |
| 133 | + |
| 134 | + XXSWAPD_S(38,40) |
| 135 | + XXSWAPD_S(39,41) |
| 136 | + XXSWAPD_S(%x3,42) |
| 137 | + XXSWAPD_S(%x4,43) |
| 138 | + XXSWAPD_S(%x5,44) |
| 139 | + XXSWAPD_S(%x6,45) |
| 140 | + XXSWAPD_S(%x7,46) |
| 141 | + XXSWAPD_S(%x8,47) |
| 142 | + |
| 143 | + |
| 144 | + "xvmuldp 38, 38, 33 \n\t" // x0_i * -alpha_i, x0_r * alpha_i |
| 145 | + "xvmuldp 39, 39, 33 \n\t" |
| 146 | + "xvmuldp %x3, %x3, 33 \n\t" |
| 147 | + "xvmuldp %x4, %x4, 33 \n\t" |
| 148 | + "xvmuldp %x5, %x5, 33 \n\t" |
| 149 | + "xvmuldp %x6, %x6, 33 \n\t" |
| 150 | + "xvmuldp %x7, %x7, 33 \n\t" |
| 151 | + "xvmuldp %x8, %x8, 33 \n\t" |
| 152 | + |
| 153 | + "xvadddp 48, 48, 38 \n\t" |
| 154 | + "xvadddp 49, 49, 39 \n\t" |
| 155 | + |
| 156 | + "xvadddp 50, 50, %x3 \n\t" |
| 157 | + "xvadddp 51, 51, %x4 \n\t" |
| 158 | + "stxv 49, 0(%2) \n\t" |
| 159 | + "stxv 48, 16(%2) \n\t" |
| 160 | + "stxv 51, 32(%2) \n\t" |
| 161 | + "stxv 50, 48(%2) \n\t" |
| 162 | + |
| 163 | + "xvadddp 34, 34, %x5 \n\t" |
| 164 | + "xvadddp 35, 35, %x6 \n\t" |
| 165 | + |
| 166 | + |
| 167 | + "xvadddp 36, 36, %x7 \n\t" |
| 168 | + "xvadddp 37, 37, %x8 \n\t" |
| 169 | + |
| 170 | + "stxv 35, 64(%2) \n\t" |
| 171 | + "stxv 34, 80(%2) \n\t" |
| 172 | + "stxv 37, 96(%2) \n\t" |
| 173 | + "stxv 36, 112(%2) \n\t" |
| 174 | + |
| 175 | + "#n=%1 x=%0=%2 alpha=(%9,%10) \n" |
| 176 | + : |
| 177 | + "+m" (*x), |
| 178 | + "+r" (n), // 1 |
| 179 | + "+b" (x), // 2 |
| 180 | + "=wa" (t0), // 3 |
| 181 | + "=wa" (t1), // 4 |
| 182 | + "=wa" (t2), // 5 |
| 183 | + "=wa" (t3), // 6 |
| 184 | + "=wa" (t4), // 7 |
| 185 | + "=wa" (t5) // 8 |
| 186 | + : |
| 187 | + "d" (alpha_r), // 9 |
| 188 | + "d" (alpha_i) // 10 |
| 189 | + : |
| 190 | + "cr0", |
| 191 | + "vs32","vs33","vs34","vs35","vs36","vs37","vs38","vs39", |
| 192 | + "vs40","vs41","vs42","vs43","vs44","vs45","vs46","vs47", |
| 193 | + "vs48","vs49","vs50","vs51" |
| 194 | + ); |
| 195 | +} |
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