| 1 | // 7zAsm.S -- ASM macros for arm64\r |
| 2 | // 2021-04-25 : Igor Pavlov : Public domain\r |
| 3 | \r |
| 4 | #define r0 x0\r |
| 5 | #define r1 x1\r |
| 6 | #define r2 x2\r |
| 7 | #define r3 x3\r |
| 8 | #define r4 x4\r |
| 9 | #define r5 x5\r |
| 10 | #define r6 x6\r |
| 11 | #define r7 x7\r |
| 12 | #define r8 x8\r |
| 13 | #define r9 x9\r |
| 14 | #define r10 x10\r |
| 15 | #define r11 x11\r |
| 16 | #define r12 x12\r |
| 17 | #define r13 x13\r |
| 18 | #define r14 x14\r |
| 19 | #define r15 x15\r |
| 20 | #define r16 x16\r |
| 21 | #define r17 x17\r |
| 22 | #define r18 x18\r |
| 23 | #define r19 x19\r |
| 24 | #define r20 x20\r |
| 25 | #define r21 x21\r |
| 26 | #define r22 x22\r |
| 27 | #define r23 x23\r |
| 28 | #define r24 x24\r |
| 29 | #define r25 x25\r |
| 30 | #define r26 x26\r |
| 31 | #define r27 x27\r |
| 32 | #define r28 x28\r |
| 33 | #define r29 x29\r |
| 34 | #define r30 x30\r |
| 35 | \r |
| 36 | #define REG_ABI_PARAM_0 r0\r |
| 37 | #define REG_ABI_PARAM_1 r1\r |
| 38 | #define REG_ABI_PARAM_2 r2\r |
| 39 | \r |
| 40 | \r |
| 41 | .macro p2_add reg:req, param:req\r |
| 42 | add \reg, \reg, \param\r |
| 43 | .endm\r |
| 44 | \r |
| 45 | .macro p2_sub reg:req, param:req\r |
| 46 | sub \reg, \reg, \param\r |
| 47 | .endm\r |
| 48 | \r |
| 49 | .macro p2_sub_s reg:req, param:req\r |
| 50 | subs \reg, \reg, \param\r |
| 51 | .endm\r |
| 52 | \r |
| 53 | .macro p2_and reg:req, param:req\r |
| 54 | and \reg, \reg, \param\r |
| 55 | .endm\r |
| 56 | \r |
| 57 | .macro xor reg:req, param:req\r |
| 58 | eor \reg, \reg, \param\r |
| 59 | .endm\r |
| 60 | \r |
| 61 | .macro or reg:req, param:req\r |
| 62 | orr \reg, \reg, \param\r |
| 63 | .endm\r |
| 64 | \r |
| 65 | .macro shl reg:req, param:req\r |
| 66 | lsl \reg, \reg, \param\r |
| 67 | .endm\r |
| 68 | \r |
| 69 | .macro shr reg:req, param:req\r |
| 70 | lsr \reg, \reg, \param\r |
| 71 | .endm\r |
| 72 | \r |
| 73 | .macro sar reg:req, param:req\r |
| 74 | asr \reg, \reg, \param\r |
| 75 | .endm\r |
| 76 | \r |
| 77 | .macro p1_neg reg:req\r |
| 78 | neg \reg, \reg\r |
| 79 | .endm\r |
| 80 | \r |
| 81 | .macro dec reg:req\r |
| 82 | sub \reg, \reg, 1\r |
| 83 | .endm\r |
| 84 | \r |
| 85 | .macro dec_s reg:req\r |
| 86 | subs \reg, \reg, 1\r |
| 87 | .endm\r |
| 88 | \r |
| 89 | .macro inc reg:req\r |
| 90 | add \reg, \reg, 1\r |
| 91 | .endm\r |
| 92 | \r |
| 93 | .macro inc_s reg:req\r |
| 94 | adds \reg, \reg, 1\r |
| 95 | .endm\r |
| 96 | \r |
| 97 | \r |
| 98 | .macro imul reg:req, param:req\r |
| 99 | mul \reg, \reg, \param\r |
| 100 | .endm\r |
| 101 | \r |
| 102 | /*\r |
| 103 | arm64 and arm use reverted c flag after subs/cmp instructions:\r |
| 104 | arm64-arm : x86\r |
| 105 | b.lo / b.cc : jb / jc\r |
| 106 | b.hs / b.cs : jae / jnc\r |
| 107 | */ \r |
| 108 | \r |
| 109 | .macro jmp lab:req\r |
| 110 | b \lab\r |
| 111 | .endm\r |
| 112 | \r |
| 113 | .macro je lab:req\r |
| 114 | b.eq \lab\r |
| 115 | .endm\r |
| 116 | \r |
| 117 | .macro jz lab:req\r |
| 118 | b.eq \lab\r |
| 119 | .endm\r |
| 120 | \r |
| 121 | .macro jnz lab:req\r |
| 122 | b.ne \lab\r |
| 123 | .endm\r |
| 124 | \r |
| 125 | .macro jne lab:req\r |
| 126 | b.ne \lab\r |
| 127 | .endm\r |
| 128 | \r |
| 129 | .macro jb lab:req\r |
| 130 | b.lo \lab\r |
| 131 | .endm\r |
| 132 | \r |
| 133 | .macro jbe lab:req\r |
| 134 | b.ls \lab\r |
| 135 | .endm\r |
| 136 | \r |
| 137 | .macro ja lab:req\r |
| 138 | b.hi \lab\r |
| 139 | .endm\r |
| 140 | \r |
| 141 | .macro jae lab:req\r |
| 142 | b.hs \lab\r |
| 143 | .endm\r |
| 144 | \r |
| 145 | \r |
| 146 | .macro cmove dest:req, srcTrue:req\r |
| 147 | csel \dest, \srcTrue, \dest, eq\r |
| 148 | .endm\r |
| 149 | \r |
| 150 | .macro cmovne dest:req, srcTrue:req\r |
| 151 | csel \dest, \srcTrue, \dest, ne\r |
| 152 | .endm\r |
| 153 | \r |
| 154 | .macro cmovs dest:req, srcTrue:req\r |
| 155 | csel \dest, \srcTrue, \dest, mi\r |
| 156 | .endm\r |
| 157 | \r |
| 158 | .macro cmovns dest:req, srcTrue:req\r |
| 159 | csel \dest, \srcTrue, \dest, pl\r |
| 160 | .endm\r |
| 161 | \r |
| 162 | .macro cmovb dest:req, srcTrue:req\r |
| 163 | csel \dest, \srcTrue, \dest, lo\r |
| 164 | .endm\r |
| 165 | \r |
| 166 | .macro cmovae dest:req, srcTrue:req\r |
| 167 | csel \dest, \srcTrue, \dest, hs\r |
| 168 | .endm\r |
| 169 | \r |
| 170 | \r |
| 171 | .macro MY_ALIGN_16 macro\r |
| 172 | .p2align 4,, (1 << 4) - 1\r |
| 173 | .endm\r |
| 174 | \r |
| 175 | .macro MY_ALIGN_32 macro\r |
| 176 | .p2align 5,, (1 << 5) - 1\r |
| 177 | .endm\r |
| 178 | \r |
| 179 | .macro MY_ALIGN_64 macro\r |
| 180 | .p2align 6,, (1 << 6) - 1\r |
| 181 | .endm\r |