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| 1 | +/*************************************************************************** |
| 2 | +Copyright (c) 2014, 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 | + |
| 29 | + |
| 30 | +#define HAVE_KERNEL_4x8 1 |
| 31 | +static void dgemv_kernel_4x8( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, BLASLONG lda4, FLOAT *alpha) __attribute__ ((noinline)); |
| 32 | + |
| 33 | +static void dgemv_kernel_4x8( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, BLASLONG lda4, FLOAT *alpha) |
| 34 | +{ |
| 35 | + |
| 36 | + BLASLONG register i = 0; |
| 37 | + |
| 38 | + __asm__ __volatile__ |
| 39 | + ( |
| 40 | + "vzeroupper \n\t" |
| 41 | + "vbroadcastsd (%3), %%ymm12 \n\t" // x0 |
| 42 | + "vbroadcastsd 8(%3), %%ymm13 \n\t" // x1 |
| 43 | + "vbroadcastsd 16(%3), %%ymm14 \n\t" // x2 |
| 44 | + "vbroadcastsd 24(%3), %%ymm15 \n\t" // x3 |
| 45 | + "vbroadcastsd 32(%3), %%ymm0 \n\t" // x4 |
| 46 | + "vbroadcastsd 40(%3), %%ymm1 \n\t" // x5 |
| 47 | + "vbroadcastsd 48(%3), %%ymm2 \n\t" // x6 |
| 48 | + "vbroadcastsd 56(%3), %%ymm3 \n\t" // x7 |
| 49 | + |
| 50 | + "vbroadcastsd (%9), %%ymm6 \n\t" // alpha |
| 51 | + |
| 52 | + "testq $0x04, %1 \n\t" |
| 53 | + "jz 2f \n\t" |
| 54 | + |
| 55 | + "vmovupd (%4,%0,8), %%ymm7 \n\t" // 4 * y |
| 56 | + "vxorpd %%ymm4 , %%ymm4, %%ymm4 \n\t" |
| 57 | + "vxorpd %%ymm5 , %%ymm5, %%ymm5 \n\t" |
| 58 | + |
| 59 | + "vfmadd231pd (%5,%0,8), %%ymm12, %%ymm4 \n\t" |
| 60 | + "vfmadd231pd (%6,%0,8), %%ymm13, %%ymm5 \n\t" |
| 61 | + "vfmadd231pd (%7,%0,8), %%ymm14, %%ymm4 \n\t" |
| 62 | + "vfmadd231pd (%8,%0,8), %%ymm15, %%ymm5 \n\t" |
| 63 | + |
| 64 | + "vfmadd231pd (%5,%2,8), %%ymm0 , %%ymm4 \n\t" |
| 65 | + "vfmadd231pd (%6,%2,8), %%ymm1 , %%ymm5 \n\t" |
| 66 | + "vfmadd231pd (%7,%2,8), %%ymm2 , %%ymm4 \n\t" |
| 67 | + "vfmadd231pd (%8,%2,8), %%ymm3 , %%ymm5 \n\t" |
| 68 | + |
| 69 | + "vaddpd %%ymm4 , %%ymm5 , %%ymm5 \n\t" |
| 70 | + "vmulpd %%ymm6 , %%ymm5 , %%ymm5 \n\t" |
| 71 | + "vaddpd %%ymm7 , %%ymm5 , %%ymm5 \n\t" |
| 72 | + |
| 73 | + |
| 74 | + "vmovupd %%ymm5, (%4,%0,8) \n\t" // 4 * y |
| 75 | + |
| 76 | + "addq $4 , %2 \n\t" |
| 77 | + "addq $4 , %0 \n\t" |
| 78 | + "subq $4 , %1 \n\t" |
| 79 | + |
| 80 | + "2: \n\t" |
| 81 | + |
| 82 | + "cmpq $0, %1 \n\t" |
| 83 | + "je 3f \n\t" |
| 84 | + |
| 85 | + |
| 86 | + ".align 16 \n\t" |
| 87 | + "1: \n\t" |
| 88 | + |
| 89 | + "vxorpd %%ymm4 , %%ymm4, %%ymm4 \n\t" |
| 90 | + "vxorpd %%ymm5 , %%ymm5, %%ymm5 \n\t" |
| 91 | + "vmovupd (%4,%0,8), %%ymm8 \n\t" // 4 * y |
| 92 | + "vmovupd 32(%4,%0,8), %%ymm9 \n\t" // 4 * y |
| 93 | + |
| 94 | + "vfmadd231pd (%5,%0,8), %%ymm12, %%ymm4 \n\t" |
| 95 | + "vfmadd231pd 32(%5,%0,8), %%ymm12, %%ymm5 \n\t" |
| 96 | + "vfmadd231pd (%6,%0,8), %%ymm13, %%ymm4 \n\t" |
| 97 | + "vfmadd231pd 32(%6,%0,8), %%ymm13, %%ymm5 \n\t" |
| 98 | + "vfmadd231pd (%7,%0,8), %%ymm14, %%ymm4 \n\t" |
| 99 | + "vfmadd231pd 32(%7,%0,8), %%ymm14, %%ymm5 \n\t" |
| 100 | + "vfmadd231pd (%8,%0,8), %%ymm15, %%ymm4 \n\t" |
| 101 | + "vfmadd231pd 32(%8,%0,8), %%ymm15, %%ymm5 \n\t" |
| 102 | + |
| 103 | + "vfmadd231pd (%5,%2,8), %%ymm0 , %%ymm4 \n\t" |
| 104 | + "addq $8 , %0 \n\t" |
| 105 | + "vfmadd231pd 32(%5,%2,8), %%ymm0 , %%ymm5 \n\t" |
| 106 | + "vfmadd231pd (%6,%2,8), %%ymm1 , %%ymm4 \n\t" |
| 107 | + "vfmadd231pd 32(%6,%2,8), %%ymm1 , %%ymm5 \n\t" |
| 108 | + "vfmadd231pd (%7,%2,8), %%ymm2 , %%ymm4 \n\t" |
| 109 | + "vfmadd231pd 32(%7,%2,8), %%ymm2 , %%ymm5 \n\t" |
| 110 | + "vfmadd231pd (%8,%2,8), %%ymm3 , %%ymm4 \n\t" |
| 111 | + "vfmadd231pd 32(%8,%2,8), %%ymm3 , %%ymm5 \n\t" |
| 112 | + |
| 113 | + "vfmadd231pd %%ymm6 , %%ymm4 , %%ymm8 \n\t" |
| 114 | + "vfmadd231pd %%ymm6 , %%ymm5 , %%ymm9 \n\t" |
| 115 | + |
| 116 | + "addq $8 , %2 \n\t" |
| 117 | + "vmovupd %%ymm8,-64(%3,%0,8) \n\t" // 4 * y |
| 118 | + "subq $8 , %1 \n\t" |
| 119 | + "vmovupd %%ymm9,-32(%4,%0,8) \n\t" // 4 * y |
| 120 | + |
| 121 | + "jnz 1b \n\t" |
| 122 | + |
| 123 | + "3: \n\t" |
| 124 | + "vzeroupper \n\t" |
| 125 | + |
| 126 | + : |
| 127 | + "+r" (i), // 0 |
| 128 | + "+r" (n), // 1 |
| 129 | + "+r" (lda4) // 2 |
| 130 | + : |
| 131 | + "r" (x), // 3 |
| 132 | + "r" (y), // 4 |
| 133 | + "r" (ap[0]), // 5 |
| 134 | + "r" (ap[1]), // 6 |
| 135 | + "r" (ap[2]), // 7 |
| 136 | + "r" (ap[3]), // 8 |
| 137 | + "r" (alpha) // 9 |
| 138 | + : "cc", |
| 139 | + "%xmm0", "%xmm1", |
| 140 | + "%xmm2", "%xmm3", |
| 141 | + "%xmm4", "%xmm5", |
| 142 | + "%xmm6", "%xmm7", |
| 143 | + "%xmm8", "%xmm9", |
| 144 | + "%xmm12", "%xmm13", "%xmm14", "%xmm15", |
| 145 | + "memory" |
| 146 | + ); |
| 147 | + |
| 148 | +} |
| 149 | + |
| 150 | + |
| 151 | + |
| 152 | +#define HAVE_KERNEL_4x4 1 |
| 153 | +static void dgemv_kernel_4x4( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, FLOAT *alpha) __attribute__ ((noinline)); |
| 154 | + |
| 155 | +static void dgemv_kernel_4x4( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, FLOAT *alpha) |
| 156 | +{ |
| 157 | + |
| 158 | + BLASLONG register i = 0; |
| 159 | + |
| 160 | + __asm__ __volatile__ |
| 161 | + ( |
| 162 | + "vzeroupper \n\t" |
| 163 | + "vbroadcastsd (%2), %%ymm12 \n\t" // x0 |
| 164 | + "vbroadcastsd 8(%2), %%ymm13 \n\t" // x1 |
| 165 | + "vbroadcastsd 16(%2), %%ymm14 \n\t" // x2 |
| 166 | + "vbroadcastsd 24(%2), %%ymm15 \n\t" // x3 |
| 167 | + |
| 168 | + "vbroadcastsd (%8), %%ymm6 \n\t" // alpha |
| 169 | + |
| 170 | + "testq $0x04, %1 \n\t" |
| 171 | + "jz 2f \n\t" |
| 172 | + |
| 173 | + "vxorpd %%ymm4 , %%ymm4, %%ymm4 \n\t" |
| 174 | + "vxorpd %%ymm5 , %%ymm5, %%ymm5 \n\t" |
| 175 | + "vmovupd (%3,%0,8), %%ymm7 \n\t" // 4 * y |
| 176 | + |
| 177 | + "vfmadd231pd (%4,%0,8), %%ymm12, %%ymm4 \n\t" |
| 178 | + "vfmadd231pd (%5,%0,8), %%ymm13, %%ymm5 \n\t" |
| 179 | + "vfmadd231pd (%6,%0,8), %%ymm14, %%ymm4 \n\t" |
| 180 | + "vfmadd231pd (%7,%0,8), %%ymm15, %%ymm5 \n\t" |
| 181 | + |
| 182 | + "vaddpd %%ymm4 , %%ymm5 , %%ymm5 \n\t" |
| 183 | + "vmulpd %%ymm6 , %%ymm5 , %%ymm5 \n\t" |
| 184 | + "vaddpd %%ymm7 , %%ymm5 , %%ymm5 \n\t" |
| 185 | + |
| 186 | + "vmovupd %%ymm5, (%3,%0,8) \n\t" // 4 * y |
| 187 | + |
| 188 | + "addq $4 , %0 \n\t" |
| 189 | + "subq $4 , %1 \n\t" |
| 190 | + |
| 191 | + "2: \n\t" |
| 192 | + |
| 193 | + "cmpq $0, %1 \n\t" |
| 194 | + "je 3f \n\t" |
| 195 | + |
| 196 | + |
| 197 | + ".align 16 \n\t" |
| 198 | + "1: \n\t" |
| 199 | + "vxorpd %%ymm4 , %%ymm4, %%ymm4 \n\t" |
| 200 | + "vxorpd %%ymm5 , %%ymm5, %%ymm5 \n\t" |
| 201 | + "vmovupd (%3,%0,8), %%ymm8 \n\t" // 4 * y |
| 202 | + "vmovupd 32(%3,%0,8), %%ymm9 \n\t" // 4 * y |
| 203 | + |
| 204 | + "vfmadd231pd (%4,%0,8), %%ymm12, %%ymm4 \n\t" |
| 205 | + "vfmadd231pd 32(%4,%0,8), %%ymm12, %%ymm5 \n\t" |
| 206 | + "vfmadd231pd (%5,%0,8), %%ymm13, %%ymm4 \n\t" |
| 207 | + "vfmadd231pd 32(%5,%0,8), %%ymm13, %%ymm5 \n\t" |
| 208 | + "vfmadd231pd (%6,%0,8), %%ymm14, %%ymm4 \n\t" |
| 209 | + "vfmadd231pd 32(%6,%0,8), %%ymm14, %%ymm5 \n\t" |
| 210 | + "vfmadd231pd (%7,%0,8), %%ymm15, %%ymm4 \n\t" |
| 211 | + "vfmadd231pd 32(%7,%0,8), %%ymm15, %%ymm5 \n\t" |
| 212 | + |
| 213 | + "vfmadd231pd %%ymm6 , %%ymm4 , %%ymm8 \n\t" |
| 214 | + "vfmadd231pd %%ymm6 , %%ymm5 , %%ymm9 \n\t" |
| 215 | + |
| 216 | + "vmovupd %%ymm8, (%3,%0,8) \n\t" // 4 * y |
| 217 | + "vmovupd %%ymm9, 32(%3,%0,8) \n\t" // 4 * y |
| 218 | + |
| 219 | + "addq $8 , %0 \n\t" |
| 220 | + "subq $8 , %1 \n\t" |
| 221 | + "jnz 1b \n\t" |
| 222 | + |
| 223 | + "3: \n\t" |
| 224 | + "vzeroupper \n\t" |
| 225 | + |
| 226 | + : |
| 227 | + "+r" (i), // 0 |
| 228 | + "+r" (n) // 1 |
| 229 | + : |
| 230 | + "r" (x), // 2 |
| 231 | + "r" (y), // 3 |
| 232 | + "r" (ap[0]), // 4 |
| 233 | + "r" (ap[1]), // 5 |
| 234 | + "r" (ap[2]), // 6 |
| 235 | + "r" (ap[3]), // 7 |
| 236 | + "r" (alpha) // 8 |
| 237 | + : "cc", |
| 238 | + "%xmm4", "%xmm5", |
| 239 | + "%xmm6", "%xmm7", |
| 240 | + "%xmm8", "%xmm9", |
| 241 | + "%xmm12", "%xmm13", "%xmm14", "%xmm15", |
| 242 | + "memory" |
| 243 | + ); |
| 244 | + |
| 245 | +} |
| 246 | + |
| 247 | + |
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