| 1 | /* | 
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| 2 | * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved. | 
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| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | 
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| 4 | * | 
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| 5 | * This code is free software; you can redistribute it and/or modify it | 
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| 6 | * under the terms of the GNU General Public License version 2 only, as | 
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| 7 | * published by the Free Software Foundation.  Oracle designates this | 
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| 8 | * particular file as subject to the "Classpath" exception as provided | 
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| 9 | * by Oracle in the LICENSE file that accompanied this code. | 
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| 10 | * | 
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| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | 
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| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | 
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| 13 | * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License | 
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| 14 | * version 2 for more details (a copy is included in the LICENSE file that | 
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| 15 | * accompanied this code). | 
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| 16 | * | 
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| 17 | * You should have received a copy of the GNU General Public License version | 
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| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | 
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| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | 
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| 20 | * | 
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| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | 
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| 22 | * or visit www.oracle.com if you need additional information or have any | 
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| 23 | * questions. | 
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| 24 | */ | 
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| 25 |  | 
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| 26 |  | 
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| 27 | /* | 
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| 28 | * FUNCTIONS | 
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| 29 | *      mlib_ImageCopy_bit_na     - BIT, non-aligned | 
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| 30 | *      mlib_ImageCopy_bit_na_r   - BIT, non-aligned, reverse | 
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| 31 | * | 
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| 32 | * SYNOPSIS | 
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| 33 | * | 
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| 34 | *      void mlib_ImageCopy_bit_na(const mlib_u8 *sa, | 
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| 35 | *                                 mlib_u8       *da, | 
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| 36 | *                                 mlib_s32      size, | 
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| 37 | *                                 mlib_s32      s_offset, | 
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| 38 | *                                 mlib_s32      d_offset); | 
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| 39 | *      void mlib_ImageCopy_bit_na_r(const mlib_u8 *sa, | 
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| 40 | *                                   mlib_u8       *da, | 
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| 41 | *                                   mlib_s32      size, | 
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| 42 | *                                   mlib_s32      s_offset, | 
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| 43 | *                                   mlib_s32      d_offset); | 
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| 44 | * ARGUMENT | 
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| 45 | *      sp       pointer to source image data | 
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| 46 | *      dp       pointer to destination image data | 
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| 47 | *      size     size in 8-bytes, bytes, or SHORTs | 
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| 48 | *      width    image width in 8-bytes | 
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| 49 | *      height   image height in lines | 
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| 50 | *      stride   source image line stride in 8-bytes | 
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| 51 | *      dstride  destination image line stride in 8-bytes | 
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| 52 | *      s_offset source image line bit offset | 
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| 53 | *      d_offset destination image line bit offset | 
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| 54 | * | 
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| 55 | * DESCRIPTION | 
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| 56 | *      Direct copy from one image to another -- C version low level | 
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| 57 | *      functions. | 
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| 58 | */ | 
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| 59 |  | 
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| 60 | #include <stdlib.h> | 
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| 61 | #include "mlib_image.h" | 
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| 62 | #include "mlib_ImageCopy.h" | 
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| 63 |  | 
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| 64 | /***************************************************************/ | 
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| 65 | /* | 
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| 66 | * Bit offsets of source and distination are not the same | 
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| 67 | */ | 
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| 68 |  | 
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| 69 | void mlib_ImageCopy_bit_na(const mlib_u8 *sa, | 
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| 70 | mlib_u8       *da, | 
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| 71 | mlib_s32      size, | 
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| 72 | mlib_s32      s_offset, | 
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| 73 | mlib_s32      d_offset) | 
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| 74 | { | 
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| 75 | #ifdef _NO_LONGLONG | 
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| 76 |  | 
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| 77 | mlib_u32 *dp;          /* 4-byte aligned start points in dst */ | 
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| 78 | mlib_u32 *sp;          /* 4-byte aligned start point in src */ | 
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| 79 | mlib_s32 j;            /* offset of address in dst */ | 
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| 80 | mlib_u32 mask0 = 0xFFFFFFFF; | 
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| 81 | mlib_u32 dmask; | 
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| 82 | mlib_u32 src, src0, src1, dst; | 
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| 83 | mlib_s32 ls_offset, ld_offset, shift; | 
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| 84 |  | 
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| 85 | if (size <= 0) return; | 
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| 86 |  | 
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| 87 | /* prepare the destination addresses */ | 
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| 88 | dp = (mlib_u32 *)((mlib_addr)da & (~3)); | 
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| 89 | sp = (mlib_u32 *)((mlib_addr)sa & (~3)); | 
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| 90 | ld_offset = (((mlib_addr)da & 3) << 3) + d_offset;     /* bit d_offset to first mlib_s32 */ | 
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| 91 | ls_offset = (((mlib_addr)sa & 3) << 3) + s_offset;     /* bit d_offset to first mlib_s32 */ | 
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| 92 |  | 
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| 93 | if (ld_offset > ls_offset) { | 
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| 94 | src0 = sp[0]; | 
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| 95 | dst = dp[0]; | 
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| 96 | if (ld_offset + size < 32) { | 
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| 97 | dmask = (mask0 << (32 - size)) >> ld_offset; | 
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| 98 | #ifdef _LITTLE_ENDIAN | 
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| 99 | src0 = (src0 << 24) | ((src0 & 0xFF00) << 8) | ((src0 >> 8) & 0xFF00) | (src0 >> 24); | 
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| 100 | src = (src0 >> (ld_offset - ls_offset)); | 
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| 101 | dst = (dst << 24) | ((dst & 0xFF00) << 8) | ((dst >> 8) & 0xFF00) | (dst >> 24); | 
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| 102 | dst = (dst & (~dmask)) | (src & dmask); | 
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| 103 | dp[0] = (dst << 24) | ((dst & 0xFF00) << 8) | ((dst >> 8) & 0xFF00) | (dst >> 24); | 
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| 104 | #else | 
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| 105 | src = (src0 >> (ld_offset - ls_offset)); | 
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| 106 | dp[0] = (dst & (~dmask)) | (src & dmask); | 
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| 107 | #endif /* _LITTLE_ENDIAN */ | 
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| 108 | return; | 
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| 109 | } | 
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| 110 |  | 
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| 111 | dmask = mask0 >> ld_offset; | 
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| 112 | #ifdef _LITTLE_ENDIAN | 
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| 113 | src0 = (src0 << 24) | ((src0 & 0xFF00) << 8) | ((src0 >> 8) & 0xFF00) | (src0 >> 24); | 
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| 114 | src = (src0 >> (ld_offset - ls_offset)); | 
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| 115 | dst = (dst << 24) | ((dst & 0xFF00) << 8) | ((dst >> 8) & 0xFF00) | (dst >> 24); | 
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| 116 | dst = (dst & ~dmask) | (src & dmask); | 
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| 117 | dp[0] = (dst << 24) | ((dst & 0xFF00) << 8) | ((dst >> 8) & 0xFF00) | (dst >> 24); | 
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| 118 | #else | 
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| 119 | src = (src0 >> (ld_offset - ls_offset)); | 
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| 120 | dp[0] = (dst & ~dmask) | (src & dmask); | 
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| 121 | #endif /* _LITTLE_ENDIAN */ | 
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| 122 | j = 32 - ld_offset; | 
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| 123 | dp++; | 
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| 124 | ls_offset += j; | 
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| 125 | } else { | 
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| 126 |  | 
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| 127 | shift = ls_offset - ld_offset; | 
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| 128 | src0 = sp[0]; | 
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| 129 | if (ls_offset + size > 32) src1 = sp[1]; | 
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| 130 | dst = dp[0]; | 
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| 131 |  | 
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| 132 | if (ld_offset + size < 32) { | 
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| 133 | dmask = (mask0 << (32 - size)) >> ld_offset; | 
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| 134 | #ifdef _LITTLE_ENDIAN | 
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| 135 | src0 = (src0 << 24) | ((src0 & 0xFF00) << 8) | ((src0 >> 8) & 0xFF00) | (src0 >> 24); | 
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| 136 | src1 = (src1 << 24) | ((src1 & 0xFF00) << 8) | ((src1 >> 8) & 0xFF00) | (src1 >> 24); | 
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| 137 | src = (src0 << shift) | (src1 >> (32 - shift)); | 
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| 138 | dst = (dst << 24) | ((dst & 0xFF00) << 8) | ((dst >> 8) & 0xFF00) | (dst >> 24); | 
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| 139 | dst = (dst & ~dmask) | (src & dmask); | 
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| 140 | dp[0] = (dst << 24) | ((dst & 0xFF00) << 8) | ((dst >> 8) & 0xFF00) | (dst >> 24); | 
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| 141 | #else | 
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| 142 | src = (src0 << shift) | (src1 >> (32 - shift)); | 
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| 143 | dp[0] = (dst & ~dmask) | (src & dmask); | 
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| 144 | #endif /* _LITTLE_ENDIAN */ | 
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| 145 | return; | 
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| 146 | } | 
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| 147 |  | 
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| 148 | dmask = mask0 >> ld_offset; | 
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| 149 | #ifdef _LITTLE_ENDIAN | 
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| 150 | src0 = (src0 << 24) | ((src0 & 0xFF00) << 8) | ((src0 >> 8) & 0xFF00) | (src0 >> 24); | 
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| 151 | src1 = (src1 << 24) | ((src1 & 0xFF00) << 8) | ((src1 >> 8) & 0xFF00) | (src1 >> 24); | 
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| 152 | src = (src0 << shift) | (src1 >> (32 - shift)); | 
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| 153 | dst = (dst << 24) | ((dst & 0xFF00) << 8) | ((dst >> 8) & 0xFF00) | (dst >> 24); | 
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| 154 | dst = (dst & ~dmask) | (src & dmask); | 
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| 155 | dp[0] = (dst << 24) | ((dst & 0xFF00) << 8) | ((dst >> 8) & 0xFF00) | (dst >> 24); | 
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| 156 | #else | 
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| 157 | src = (src0 << shift) | (src1 >> (32 - shift)); | 
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| 158 | dp[0] = (dst & ~dmask) | (src & dmask); | 
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| 159 | #endif /* _LITTLE_ENDIAN */ | 
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| 160 | j = 32 - ld_offset; | 
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| 161 | dp++; | 
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| 162 | sp++; | 
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| 163 | ls_offset = ls_offset + j - 32; | 
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| 164 | } | 
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| 165 |  | 
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| 166 | if (j < size) src1 = sp[0]; | 
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| 167 | #ifdef _LITTLE_ENDIAN | 
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| 168 | src1 = (src1 << 24) | ((src1 & 0xFF00) << 8) | ((src1 >> 8) & 0xFF00) | (src1 >> 24); | 
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| 169 | #endif /* _LITTLE_ENDIAN */ | 
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| 170 | for (; j <= size - 32; j += 32) { | 
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| 171 | src0 = src1; | 
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| 172 | src1 = sp[1]; | 
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| 173 | #ifdef _LITTLE_ENDIAN | 
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| 174 | src1 = (src1 << 24) | ((src1 & 0xFF00) << 8) | ((src1 >> 8) & 0xFF00) | (src1 >> 24); | 
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| 175 | src = (src0 << ls_offset) | (src1 >> (32 - ls_offset)); | 
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| 176 | dp[0] = (src << 24) | ((src & 0xFF00) << 8) | ((src >> 8) & 0xFF00) | (src >> 24); | 
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| 177 | #else | 
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| 178 | dp[0] = (src0 << ls_offset) | (src1 >> (32 - ls_offset)); | 
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| 179 | #endif /* _LITTLE_ENDIAN */ | 
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| 180 | sp++; | 
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| 181 | dp++; | 
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| 182 | } | 
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| 183 |  | 
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| 184 | if (j < size) { | 
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| 185 | j = size - j; | 
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| 186 | src0 = src1; | 
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| 187 | if (ls_offset + j > 32) src1 = sp[1]; | 
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| 188 | dst = dp[0]; | 
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| 189 | dmask = mask0 << (32 - j); | 
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| 190 | #ifdef _LITTLE_ENDIAN | 
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| 191 | src1 = (src1 << 24) | ((src1 & 0xFF00) << 8) | ((src1 >> 8) & 0xFF00) | (src1 >> 24); | 
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| 192 | src = (src0 << ls_offset) | (src1 >> (32 - ls_offset)); | 
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| 193 | dst = (dst << 24) | ((dst & 0xFF00) << 8) | ((dst >> 8) & 0xFF00) | (dst >> 24); | 
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| 194 | dst = (dst & ~dmask) | (src & dmask); | 
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| 195 | dp[0] = (dst << 24) | ((dst & 0xFF00) << 8) | ((dst >> 8) & 0xFF00) | (dst >> 24); | 
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| 196 | #else | 
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| 197 | src = (src0 << ls_offset) | (src1 >> (32 - ls_offset)); | 
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| 198 | dp[0] = (dst & ~dmask) | (src & dmask); | 
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| 199 | #endif /* _LITTLE_ENDIAN */ | 
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| 200 | } | 
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| 201 |  | 
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| 202 | #else /* _LONGLONG */ | 
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| 203 |  | 
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| 204 | mlib_u64 *dp;          /* 8-byte aligned start points in dst */ | 
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| 205 | mlib_u64 *sp;          /* 8-byte aligned start point in src */ | 
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| 206 | mlib_s32 j;            /* offset of address in dst */ | 
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| 207 | mlib_u64 lmask0 = 0xFFFFFFFFFFFFFFFFULL; | 
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| 208 | mlib_u64 dmask; | 
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| 209 | mlib_u64 lsrc, lsrc0, lsrc1 = 0ULL, ldst; | 
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| 210 | mlib_s32 ls_offset, ld_offset, shift; | 
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| 211 |  | 
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| 212 | if (size <= 0) return; | 
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| 213 |  | 
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| 214 | /* prepare the destination addresses */ | 
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| 215 | dp = (mlib_u64 *)((mlib_addr)da & (~7)); | 
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| 216 | sp = (mlib_u64 *)((mlib_addr)sa & (~7)); | 
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| 217 | /* we can explicitly cast ro mlib_s32 here because value is in [0,64] range */ | 
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| 218 | ld_offset = (((mlib_s32) ((mlib_addr)da & 7)) << 3) + d_offset;     /* bit d_offset to first mlib_d64 */ | 
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| 219 | ls_offset = (((mlib_s32) ((mlib_addr)sa & 7)) << 3) + s_offset;     /* bit d_offset to first mlib_d64 */ | 
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| 220 |  | 
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| 221 | if (ld_offset > ls_offset) { | 
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| 222 | lsrc0 = sp[0]; | 
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| 223 | ldst = dp[0]; | 
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| 224 | lsrc = (lsrc0 >> (ld_offset - ls_offset)); | 
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| 225 | if (ld_offset + size < 64) { | 
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| 226 | dmask = (lmask0 << (64 - size)) >> ld_offset; | 
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| 227 | dp[0] = (ldst & (~dmask)) | (lsrc & dmask); | 
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| 228 | return; | 
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| 229 | } | 
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| 230 |  | 
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| 231 | dmask = lmask0 >> ld_offset; | 
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| 232 | dp[0] = (ldst & ~dmask) | (lsrc & dmask); | 
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| 233 | j = 64 - ld_offset; | 
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| 234 | dp++; | 
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| 235 | ls_offset += j; | 
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| 236 | } else { | 
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| 237 |  | 
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| 238 | shift = ls_offset - ld_offset; | 
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| 239 | lsrc0 = sp[0]; | 
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| 240 | if (ls_offset + size > 64) lsrc1 = sp[1]; | 
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| 241 | ldst = dp[0]; | 
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| 242 | lsrc = (lsrc0 << shift) | (lsrc1 >> (64 - shift)); | 
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| 243 |  | 
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| 244 | if (ld_offset + size < 64) { | 
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| 245 | dmask = (lmask0 << (64 - size)) >> ld_offset; | 
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| 246 | dp[0] = (ldst & ~dmask) | (lsrc & dmask); | 
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| 247 | return; | 
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| 248 | } | 
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| 249 |  | 
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| 250 | dmask = lmask0 >> ld_offset; | 
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| 251 | dp[0] = (ldst & ~dmask) | (lsrc & dmask); | 
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| 252 | j = 64 - ld_offset; | 
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| 253 | dp++; | 
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| 254 | sp++; | 
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| 255 | ls_offset = ls_offset + j - 64; | 
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| 256 | } | 
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| 257 |  | 
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| 258 | if (j < size) lsrc1 = sp[0]; | 
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| 259 | #ifdef __SUNPRO_C | 
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| 260 | #pragma pipeloop(0) | 
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| 261 | #endif /* __SUNPRO_C */ | 
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| 262 | for (; j <= size - 64; j += 64) { | 
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| 263 | lsrc0 = lsrc1; | 
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| 264 | lsrc1 = sp[1]; | 
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| 265 | lsrc = (lsrc0 << ls_offset) | (lsrc1 >> (64 - ls_offset)); | 
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| 266 | dp[0] = lsrc; | 
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| 267 | sp++; | 
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| 268 | dp++; | 
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| 269 | } | 
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| 270 |  | 
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| 271 | if (j < size) { | 
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| 272 | j = size - j; | 
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| 273 | lsrc0 = lsrc1; | 
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| 274 | if (ls_offset + j > 64) lsrc1 = sp[1]; | 
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| 275 | ldst = dp[0]; | 
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| 276 | dmask = lmask0 << (64 - j); | 
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| 277 | lsrc = (lsrc0 << ls_offset) | (lsrc1 >> (64 - ls_offset)); | 
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| 278 | dp[0] = (ldst & ~dmask) | (lsrc & dmask); | 
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| 279 | } | 
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| 280 | #endif /* _NO_LONGLONG */ | 
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| 281 | } | 
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| 282 |  | 
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| 283 | /***************************************************************/ | 
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| 284 | /* | 
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| 285 | * Bit offsets of source and distination are not the same | 
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| 286 | * This function is both for C and VIS version (LONGLONG case) | 
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| 287 | */ | 
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| 288 |  | 
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| 289 | void mlib_ImageCopy_bit_na_r(const mlib_u8 *sa, | 
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| 290 | mlib_u8       *da, | 
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| 291 | mlib_s32      size, | 
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| 292 | mlib_s32      s_offset, | 
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| 293 | mlib_s32      d_offset) | 
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| 294 | { | 
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| 295 | #ifdef _NO_LONGLONG | 
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| 296 |  | 
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| 297 | mlib_u32 *dp;          /* 4-byte aligned start points in dst */ | 
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| 298 | mlib_u32 *sp;          /* 4-byte aligned start point in src */ | 
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| 299 | mlib_s32 j;            /* offset of address in dst */ | 
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| 300 | mlib_u32 lmask0 = 0xFFFFFFFF; | 
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| 301 | mlib_u32 dmask; | 
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| 302 | mlib_u32 src, src0, src1, dst; | 
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| 303 | mlib_s32 ls_offset, ld_offset, shift; | 
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| 304 |  | 
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| 305 | if (size <= 0) return; | 
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| 306 |  | 
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| 307 | /* prepare the destination addresses */ | 
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| 308 | dp = (mlib_u32 *)((mlib_addr)da & (~3)); | 
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| 309 | sp = (mlib_u32 *)((mlib_addr)sa & (~3)); | 
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| 310 | ld_offset = (((mlib_addr)da & 3) << 3) + d_offset;     /* bit d_offset to first mlib_s32 */ | 
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| 311 | ls_offset = (((mlib_addr)sa & 3) << 3) + s_offset;     /* bit d_offset to first mlib_s32 */ | 
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| 312 |  | 
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| 313 | if (ld_offset < ls_offset) { | 
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| 314 | src0 = sp[0]; | 
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| 315 | dst = dp[0]; | 
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| 316 | if (ld_offset >= size) { | 
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| 317 | dmask = (lmask0 << (32 - size)) >> (ld_offset - size); | 
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| 318 | #ifdef _LITTLE_ENDIAN | 
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| 319 | src0 = (src0 << 24) | ((src0 & 0xFF00) << 8) | ((src0 >> 8) & 0xFF00) | (src0 >> 24); | 
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| 320 | src = (src0 << (ls_offset - ld_offset)); | 
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| 321 | dst = (dst << 24) | ((dst & 0xFF00) << 8) | ((dst >> 8) & 0xFF00) | (dst >> 24); | 
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| 322 | dst = (dst & (~dmask)) | (src & dmask); | 
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| 323 | dp[0] = (dst << 24) | ((dst & 0xFF00) << 8) | ((dst >> 8) & 0xFF00) | (dst >> 24); | 
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| 324 | #else | 
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| 325 | src = (src0 << (ls_offset - ld_offset)); | 
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| 326 | dp[0] = (dst & (~dmask)) | (src & dmask); | 
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| 327 | #endif /* _LITTLE_ENDIAN */ | 
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| 328 | return; | 
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| 329 | } | 
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| 330 |  | 
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| 331 | dmask = lmask0 << (32 - ld_offset); | 
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| 332 | #ifdef _LITTLE_ENDIAN | 
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| 333 | src0 = (src0 << 24) | ((src0 & 0xFF00) << 8) | ((src0 >> 8) & 0xFF00) | (src0 >> 24); | 
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| 334 | src = (src0 << (ls_offset - ld_offset)); | 
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| 335 | dst = (dst << 24) | ((dst & 0xFF00) << 8) | ((dst >> 8) & 0xFF00) | (dst >> 24); | 
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| 336 | dst = (dst & ~dmask) | (src & dmask); | 
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| 337 | dp[0] = (dst << 24) | ((dst & 0xFF00) << 8) | ((dst >> 8) & 0xFF00) | (dst >> 24); | 
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| 338 | #else | 
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| 339 | src = (src0 << (ls_offset - ld_offset)); | 
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| 340 | dp[0] = (dst & ~dmask) | (src & dmask); | 
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| 341 | #endif /* _LITTLE_ENDIAN */ | 
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| 342 | j = ld_offset; | 
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| 343 | dp--; | 
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| 344 | ls_offset -= j; | 
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| 345 | } else { | 
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| 346 |  | 
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| 347 | shift = ld_offset - ls_offset; | 
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| 348 | src0 = sp[0]; | 
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| 349 | if (ls_offset < size) src1 = sp[-1]; | 
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| 350 | dst = dp[0]; | 
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| 351 |  | 
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| 352 | if (ld_offset >= size) { | 
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| 353 | dmask = (lmask0 << (32 - size)) >> (ld_offset - size); | 
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| 354 | #ifdef _LITTLE_ENDIAN | 
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| 355 | src0 = (src0 << 24) | ((src0 & 0xFF00) << 8) | ((src0 >> 8) & 0xFF00) | (src0 >> 24); | 
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| 356 | src1 = (src1 << 24) | ((src1 & 0xFF00) << 8) | ((src1 >> 8) & 0xFF00) | (src1 >> 24); | 
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| 357 | src = (src0 >> shift) | (src1 << (32 - shift)); | 
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| 358 | dst = (dst << 24) | ((dst & 0xFF00) << 8) | ((dst >> 8) & 0xFF00) | (dst >> 24); | 
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| 359 | dst = (dst & ~dmask) | (src & dmask); | 
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| 360 | dp[0] = (dst << 24) | ((dst & 0xFF00) << 8) | ((dst >> 8) & 0xFF00) | (dst >> 24); | 
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| 361 | #else | 
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| 362 | src = (src0 >> shift) | (src1 << (32 - shift)); | 
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| 363 | dp[0] = (dst & ~dmask) | (src & dmask); | 
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| 364 | #endif /* _LITTLE_ENDIAN */ | 
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| 365 | return; | 
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| 366 | } | 
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| 367 |  | 
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| 368 | dmask = lmask0 << (32 - ld_offset); | 
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| 369 | #ifdef _LITTLE_ENDIAN | 
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| 370 | src0 = (src0 << 24) | ((src0 & 0xFF00) << 8) | ((src0 >> 8) & 0xFF00) | (src0 >> 24); | 
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| 371 | src1 = (src1 << 24) | ((src1 & 0xFF00) << 8) | ((src1 >> 8) & 0xFF00) | (src1 >> 24); | 
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| 372 | src = (src0 >> shift) | (src1 << (32 - shift)); | 
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| 373 | dst = (dst << 24) | ((dst & 0xFF00) << 8) | ((dst >> 8) & 0xFF00) | (dst >> 24); | 
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| 374 | dst = (dst & ~dmask) | (src & dmask); | 
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| 375 | dp[0] = (dst << 24) | ((dst & 0xFF00) << 8) | ((dst >> 8) & 0xFF00) | (dst >> 24); | 
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| 376 | #else | 
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| 377 | src = (src0 >> shift) | (src1 << (32 - shift)); | 
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| 378 | dp[0] = (dst & ~dmask) | (src & dmask); | 
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| 379 | #endif /* _LITTLE_ENDIAN */ | 
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| 380 | j = ld_offset; | 
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| 381 | dp--; | 
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| 382 | sp--; | 
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| 383 | ls_offset = ls_offset - j + 32; | 
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| 384 | } | 
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| 385 |  | 
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| 386 | if (j < size) src1 = sp[0]; | 
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| 387 | #ifdef _LITTLE_ENDIAN | 
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| 388 | src1 = (src1 << 24) | ((src1 & 0xFF00) << 8) | ((src1 >> 8) & 0xFF00) | (src1 >> 24); | 
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| 389 | #endif /* _LITTLE_ENDIAN */ | 
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| 390 | #ifdef __SUNPRO_C | 
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| 391 | #pragma pipeloop(0) | 
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| 392 | #endif /* __SUNPRO_C */ | 
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| 393 | for (; j <= size - 32; j += 32) { | 
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| 394 | src0 = src1; | 
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| 395 | src1 = sp[-1]; | 
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| 396 | #ifdef _LITTLE_ENDIAN | 
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| 397 | src1 = (src1 << 24) | ((src1 & 0xFF00) << 8) | ((src1 >> 8) & 0xFF00) | (src1 >> 24); | 
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| 398 | src = (src0 >> (32 - ls_offset)) | (src1 << ls_offset); | 
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| 399 | dp[0] = (src << 24) | ((src & 0xFF00) << 8) | ((src >> 8) & 0xFF00) | (src >> 24); | 
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| 400 | #else | 
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| 401 | dp[0] = (src0 >> (32 - ls_offset)) | (src1 << ls_offset); | 
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| 402 | #endif /* _LITTLE_ENDIAN */ | 
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| 403 | sp--; | 
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| 404 | dp--; | 
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| 405 | } | 
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| 406 |  | 
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| 407 | if (j < size) { | 
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| 408 | j = size - j; | 
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| 409 | src0 = src1; | 
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| 410 | if (ls_offset < j) src1 = sp[-1]; | 
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| 411 | dst = dp[0]; | 
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| 412 | dmask = lmask0 >> (32 - j); | 
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| 413 | #ifdef _LITTLE_ENDIAN | 
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| 414 | src1 = (src1 << 24) | ((src1 & 0xFF00) << 8) | ((src1 >> 8) & 0xFF00) | (src1 >> 24); | 
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| 415 | src = (src0 >> (32 - ls_offset)) | (src1 << ls_offset); | 
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| 416 | dst = (dst << 24) | ((dst & 0xFF00) << 8) | ((dst >> 8) & 0xFF00) | (dst >> 24); | 
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| 417 | dst = (dst & ~dmask) | (src & dmask); | 
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| 418 | dp[0] = (dst << 24) | ((dst & 0xFF00) << 8) | ((dst >> 8) & 0xFF00) | (dst >> 24); | 
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| 419 | #else | 
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| 420 | src = (src0 >> (32 - ls_offset)) | (src1 << ls_offset); | 
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| 421 | dp[0] = (dst & ~dmask) | (src & dmask); | 
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| 422 | #endif /* _LITTLE_ENDIAN */ | 
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| 423 | } | 
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| 424 |  | 
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| 425 | #else  /* _LONGLONG */ | 
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| 426 |  | 
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| 427 | mlib_u64 *dp;          /* 8-byte aligned start points in dst */ | 
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| 428 | mlib_u64 *sp;          /* 8-byte aligned start point in src */ | 
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| 429 | mlib_s32 j;            /* offset of address in dst */ | 
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| 430 | mlib_u64 lmask0 = 0xFFFFFFFFFFFFFFFFULL; | 
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| 431 | mlib_u64 dmask; | 
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| 432 | mlib_u64 lsrc, lsrc0, lsrc1 = 0ULL, ldst; | 
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| 433 | mlib_s32 ls_offset, ld_offset, shift; | 
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| 434 |  | 
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| 435 | if (size <= 0) return; | 
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| 436 |  | 
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| 437 | /* prepare the destination addresses */ | 
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| 438 | dp = (mlib_u64 *)((mlib_addr)da & (~7)); | 
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| 439 | sp = (mlib_u64 *)((mlib_addr)sa & (~7)); | 
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| 440 | /* we can explicitly cast ro mlib_s32 here because value is in [0,64] range */ | 
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| 441 | ld_offset = (((mlib_s32) ((mlib_addr)da & 7)) << 3) + d_offset;     /* bit d_offset to first mlib_d64 */ | 
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| 442 | ls_offset = (((mlib_s32) ((mlib_addr)sa & 7)) << 3) + s_offset;     /* bit d_offset to first mlib_d64 */ | 
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| 443 |  | 
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| 444 | if (ld_offset < ls_offset) { | 
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| 445 | lsrc0 = sp[0]; | 
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| 446 | ldst = dp[0]; | 
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| 447 | lsrc = (lsrc0 << (ls_offset - ld_offset)); | 
|---|
| 448 | if (ld_offset >= size) { | 
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| 449 | dmask = (lmask0 << (64 - size)) >> (ld_offset - size); | 
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| 450 | dp[0] = (ldst & (~dmask)) | (lsrc & dmask); | 
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| 451 | return; | 
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| 452 | } | 
|---|
| 453 |  | 
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| 454 | dmask = lmask0 << (64 - ld_offset); | 
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| 455 | dp[0] = (ldst & ~dmask) | (lsrc & dmask); | 
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| 456 | j = ld_offset; | 
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| 457 | dp--; | 
|---|
| 458 | ls_offset -= j; | 
|---|
| 459 | } else { | 
|---|
| 460 |  | 
|---|
| 461 | shift = ld_offset - ls_offset; | 
|---|
| 462 | lsrc0 = sp[0]; | 
|---|
| 463 | if (ls_offset < size) lsrc1 = sp[-1]; | 
|---|
| 464 | ldst = dp[0]; | 
|---|
| 465 | lsrc = (lsrc0 >> shift) | (lsrc1 << (64 - shift)); | 
|---|
| 466 | if (ld_offset >= size) { | 
|---|
| 467 | dmask = (lmask0 << (64 - size)) >> (ld_offset - size); | 
|---|
| 468 | dp[0] = (ldst & ~dmask) | (lsrc & dmask); | 
|---|
| 469 | return; | 
|---|
| 470 | } | 
|---|
| 471 |  | 
|---|
| 472 | dmask = lmask0 << (64 - ld_offset); | 
|---|
| 473 | dp[0] = (ldst & ~dmask) | (lsrc & dmask); | 
|---|
| 474 | j = ld_offset; | 
|---|
| 475 | dp--; | 
|---|
| 476 | sp--; | 
|---|
| 477 | ls_offset = ls_offset - j + 64; | 
|---|
| 478 | } | 
|---|
| 479 |  | 
|---|
| 480 | if (j < size) lsrc1 = sp[0]; | 
|---|
| 481 | #ifdef __SUNPRO_C | 
|---|
| 482 | #pragma pipeloop(0) | 
|---|
| 483 | #endif /* __SUNPRO_C */ | 
|---|
| 484 | for (; j <= size - 64; j += 64) { | 
|---|
| 485 | lsrc0 = lsrc1; | 
|---|
| 486 | lsrc1 = sp[-1]; | 
|---|
| 487 | dp[0] = (lsrc0 >> (64 - ls_offset)) | (lsrc1 << ls_offset); | 
|---|
| 488 | sp--; | 
|---|
| 489 | dp--; | 
|---|
| 490 | } | 
|---|
| 491 |  | 
|---|
| 492 | if (j < size) { | 
|---|
| 493 | j = size - j; | 
|---|
| 494 | lsrc0 = lsrc1; | 
|---|
| 495 | if (ls_offset < j) lsrc1 = sp[-1]; | 
|---|
| 496 | ldst = dp[0]; | 
|---|
| 497 | dmask = lmask0 >> (64 - j); | 
|---|
| 498 | lsrc = (lsrc0 >> (64 - ls_offset)) | (lsrc1 << ls_offset); | 
|---|
| 499 | dp[0] = (ldst & ~dmask) | (lsrc & dmask); | 
|---|
| 500 | } | 
|---|
| 501 | #endif /* _NO_LONGLONG */ | 
|---|
| 502 | } | 
|---|
| 503 |  | 
|---|
| 504 | /***************************************************************/ | 
|---|
| 505 |  | 
|---|