root / target-arm / neon_helper.c @ f8ed7070
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| 1 | e677137d | pbrook | /*
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| 2 | e677137d | pbrook | * ARM NEON vector operations.
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| 3 | e677137d | pbrook | *
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| 4 | e677137d | pbrook | * Copyright (c) 2007, 2008 CodeSourcery.
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| 5 | e677137d | pbrook | * Written by Paul Brook
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| 6 | e677137d | pbrook | *
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| 7 | e677137d | pbrook | * This code is licenced under the GNU GPL v2.
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| 8 | e677137d | pbrook | */
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| 9 | ad69471c | pbrook | #include <stdlib.h> |
| 10 | ad69471c | pbrook | #include <stdio.h> |
| 11 | ad69471c | pbrook | |
| 12 | ad69471c | pbrook | #include "cpu.h" |
| 13 | ad69471c | pbrook | #include "exec-all.h" |
| 14 | ad69471c | pbrook | #include "helpers.h" |
| 15 | ad69471c | pbrook | |
| 16 | ad69471c | pbrook | #define SIGNBIT (uint32_t)0x80000000 |
| 17 | ad69471c | pbrook | #define SIGNBIT64 ((uint64_t)1 << 63) |
| 18 | ad69471c | pbrook | |
| 19 | ad69471c | pbrook | #define SET_QC() env->vfp.xregs[ARM_VFP_FPSCR] = CPSR_Q
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| 20 | ad69471c | pbrook | |
| 21 | ad69471c | pbrook | static float_status neon_float_status;
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| 22 | ad69471c | pbrook | #define NFS &neon_float_status
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| 23 | ad69471c | pbrook | |
| 24 | ad69471c | pbrook | /* Helper routines to perform bitwise copies between float and int. */
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| 25 | ad69471c | pbrook | static inline float32 vfp_itos(uint32_t i) |
| 26 | ad69471c | pbrook | {
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| 27 | ad69471c | pbrook | union {
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| 28 | ad69471c | pbrook | uint32_t i; |
| 29 | ad69471c | pbrook | float32 s; |
| 30 | ad69471c | pbrook | } v; |
| 31 | ad69471c | pbrook | |
| 32 | ad69471c | pbrook | v.i = i; |
| 33 | ad69471c | pbrook | return v.s;
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| 34 | ad69471c | pbrook | } |
| 35 | ad69471c | pbrook | |
| 36 | ad69471c | pbrook | static inline uint32_t vfp_stoi(float32 s) |
| 37 | ad69471c | pbrook | {
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| 38 | ad69471c | pbrook | union {
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| 39 | ad69471c | pbrook | uint32_t i; |
| 40 | ad69471c | pbrook | float32 s; |
| 41 | ad69471c | pbrook | } v; |
| 42 | ad69471c | pbrook | |
| 43 | ad69471c | pbrook | v.s = s; |
| 44 | ad69471c | pbrook | return v.i;
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| 45 | ad69471c | pbrook | } |
| 46 | ad69471c | pbrook | |
| 47 | ad69471c | pbrook | #define NEON_TYPE1(name, type) \
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| 48 | ad69471c | pbrook | typedef struct \ |
| 49 | ad69471c | pbrook | { \
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| 50 | ad69471c | pbrook | type v1; \ |
| 51 | ad69471c | pbrook | } neon_##name; |
| 52 | ad69471c | pbrook | #ifdef WORDS_BIGENDIAN
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| 53 | ad69471c | pbrook | #define NEON_TYPE2(name, type) \
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| 54 | ad69471c | pbrook | typedef struct \ |
| 55 | ad69471c | pbrook | { \
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| 56 | ad69471c | pbrook | type v2; \ |
| 57 | ad69471c | pbrook | type v1; \ |
| 58 | ad69471c | pbrook | } neon_##name; |
| 59 | ad69471c | pbrook | #define NEON_TYPE4(name, type) \
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| 60 | ad69471c | pbrook | typedef struct \ |
| 61 | ad69471c | pbrook | { \
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| 62 | ad69471c | pbrook | type v4; \ |
| 63 | ad69471c | pbrook | type v3; \ |
| 64 | ad69471c | pbrook | type v2; \ |
| 65 | ad69471c | pbrook | type v1; \ |
| 66 | ad69471c | pbrook | } neon_##name; |
| 67 | ad69471c | pbrook | #else
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| 68 | ad69471c | pbrook | #define NEON_TYPE2(name, type) \
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| 69 | ad69471c | pbrook | typedef struct \ |
| 70 | ad69471c | pbrook | { \
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| 71 | ad69471c | pbrook | type v1; \ |
| 72 | ad69471c | pbrook | type v2; \ |
| 73 | ad69471c | pbrook | } neon_##name; |
| 74 | ad69471c | pbrook | #define NEON_TYPE4(name, type) \
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| 75 | ad69471c | pbrook | typedef struct \ |
| 76 | ad69471c | pbrook | { \
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| 77 | ad69471c | pbrook | type v1; \ |
| 78 | ad69471c | pbrook | type v2; \ |
| 79 | ad69471c | pbrook | type v3; \ |
| 80 | ad69471c | pbrook | type v4; \ |
| 81 | ad69471c | pbrook | } neon_##name; |
| 82 | ad69471c | pbrook | #endif
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| 83 | ad69471c | pbrook | |
| 84 | ad69471c | pbrook | NEON_TYPE4(s8, int8_t) |
| 85 | ad69471c | pbrook | NEON_TYPE4(u8, uint8_t) |
| 86 | ad69471c | pbrook | NEON_TYPE2(s16, int16_t) |
| 87 | ad69471c | pbrook | NEON_TYPE2(u16, uint16_t) |
| 88 | ad69471c | pbrook | NEON_TYPE1(s32, int32_t) |
| 89 | ad69471c | pbrook | NEON_TYPE1(u32, uint32_t) |
| 90 | ad69471c | pbrook | #undef NEON_TYPE4
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| 91 | ad69471c | pbrook | #undef NEON_TYPE2
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| 92 | ad69471c | pbrook | #undef NEON_TYPE1
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| 93 | ad69471c | pbrook | |
| 94 | ad69471c | pbrook | /* Copy from a uint32_t to a vector structure type. */
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| 95 | ad69471c | pbrook | #define NEON_UNPACK(vtype, dest, val) do { \ |
| 96 | ad69471c | pbrook | union { \
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| 97 | ad69471c | pbrook | vtype v; \ |
| 98 | ad69471c | pbrook | uint32_t i; \ |
| 99 | ad69471c | pbrook | } conv_u; \ |
| 100 | ad69471c | pbrook | conv_u.i = (val); \ |
| 101 | ad69471c | pbrook | dest = conv_u.v; \ |
| 102 | ad69471c | pbrook | } while(0) |
| 103 | ad69471c | pbrook | |
| 104 | ad69471c | pbrook | /* Copy from a vector structure type to a uint32_t. */
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| 105 | ad69471c | pbrook | #define NEON_PACK(vtype, dest, val) do { \ |
| 106 | ad69471c | pbrook | union { \
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| 107 | ad69471c | pbrook | vtype v; \ |
| 108 | ad69471c | pbrook | uint32_t i; \ |
| 109 | ad69471c | pbrook | } conv_u; \ |
| 110 | ad69471c | pbrook | conv_u.v = (val); \ |
| 111 | ad69471c | pbrook | dest = conv_u.i; \ |
| 112 | ad69471c | pbrook | } while(0) |
| 113 | ad69471c | pbrook | |
| 114 | ad69471c | pbrook | #define NEON_DO1 \
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| 115 | ad69471c | pbrook | NEON_FN(vdest.v1, vsrc1.v1, vsrc2.v1); |
| 116 | ad69471c | pbrook | #define NEON_DO2 \
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| 117 | ad69471c | pbrook | NEON_FN(vdest.v1, vsrc1.v1, vsrc2.v1); \ |
| 118 | ad69471c | pbrook | NEON_FN(vdest.v2, vsrc1.v2, vsrc2.v2); |
| 119 | ad69471c | pbrook | #define NEON_DO4 \
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| 120 | ad69471c | pbrook | NEON_FN(vdest.v1, vsrc1.v1, vsrc2.v1); \ |
| 121 | ad69471c | pbrook | NEON_FN(vdest.v2, vsrc1.v2, vsrc2.v2); \ |
| 122 | ad69471c | pbrook | NEON_FN(vdest.v3, vsrc1.v3, vsrc2.v3); \ |
| 123 | ad69471c | pbrook | NEON_FN(vdest.v4, vsrc1.v4, vsrc2.v4); |
| 124 | ad69471c | pbrook | |
| 125 | ad69471c | pbrook | #define NEON_VOP_BODY(vtype, n) \
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| 126 | ad69471c | pbrook | { \
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| 127 | ad69471c | pbrook | uint32_t res; \ |
| 128 | ad69471c | pbrook | vtype vsrc1; \ |
| 129 | ad69471c | pbrook | vtype vsrc2; \ |
| 130 | ad69471c | pbrook | vtype vdest; \ |
| 131 | ad69471c | pbrook | NEON_UNPACK(vtype, vsrc1, arg1); \ |
| 132 | ad69471c | pbrook | NEON_UNPACK(vtype, vsrc2, arg2); \ |
| 133 | ad69471c | pbrook | NEON_DO##n; \ |
| 134 | ad69471c | pbrook | NEON_PACK(vtype, res, vdest); \ |
| 135 | ad69471c | pbrook | return res; \
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| 136 | ad69471c | pbrook | } |
| 137 | ad69471c | pbrook | |
| 138 | ad69471c | pbrook | #define NEON_VOP(name, vtype, n) \
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| 139 | ad69471c | pbrook | uint32_t HELPER(glue(neon_,name))(uint32_t arg1, uint32_t arg2) \ |
| 140 | ad69471c | pbrook | NEON_VOP_BODY(vtype, n) |
| 141 | ad69471c | pbrook | |
| 142 | ad69471c | pbrook | #define NEON_VOP_ENV(name, vtype, n) \
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| 143 | ad69471c | pbrook | uint32_t HELPER(glue(neon_,name))(CPUState *env, uint32_t arg1, uint32_t arg2) \ |
| 144 | ad69471c | pbrook | NEON_VOP_BODY(vtype, n) |
| 145 | ad69471c | pbrook | |
| 146 | ad69471c | pbrook | /* Pairwise operations. */
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| 147 | ad69471c | pbrook | /* For 32-bit elements each segment only contains a single element, so
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| 148 | ad69471c | pbrook | the elementwise and pairwise operations are the same. */
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| 149 | ad69471c | pbrook | #define NEON_PDO2 \
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| 150 | ad69471c | pbrook | NEON_FN(vdest.v1, vsrc1.v1, vsrc1.v2); \ |
| 151 | ad69471c | pbrook | NEON_FN(vdest.v2, vsrc2.v1, vsrc2.v2); |
| 152 | ad69471c | pbrook | #define NEON_PDO4 \
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| 153 | ad69471c | pbrook | NEON_FN(vdest.v1, vsrc1.v1, vsrc1.v2); \ |
| 154 | ad69471c | pbrook | NEON_FN(vdest.v2, vsrc1.v3, vsrc1.v4); \ |
| 155 | ad69471c | pbrook | NEON_FN(vdest.v3, vsrc2.v1, vsrc2.v2); \ |
| 156 | ad69471c | pbrook | NEON_FN(vdest.v4, vsrc2.v3, vsrc2.v4); \ |
| 157 | ad69471c | pbrook | |
| 158 | ad69471c | pbrook | #define NEON_POP(name, vtype, n) \
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| 159 | ad69471c | pbrook | uint32_t HELPER(glue(neon_,name))(uint32_t arg1, uint32_t arg2) \ |
| 160 | ad69471c | pbrook | { \
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| 161 | ad69471c | pbrook | uint32_t res; \ |
| 162 | ad69471c | pbrook | vtype vsrc1; \ |
| 163 | ad69471c | pbrook | vtype vsrc2; \ |
| 164 | ad69471c | pbrook | vtype vdest; \ |
| 165 | ad69471c | pbrook | NEON_UNPACK(vtype, vsrc1, arg1); \ |
| 166 | ad69471c | pbrook | NEON_UNPACK(vtype, vsrc2, arg2); \ |
| 167 | ad69471c | pbrook | NEON_PDO##n; \ |
| 168 | ad69471c | pbrook | NEON_PACK(vtype, res, vdest); \ |
| 169 | ad69471c | pbrook | return res; \
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| 170 | ad69471c | pbrook | } |
| 171 | ad69471c | pbrook | |
| 172 | ad69471c | pbrook | /* Unary operators. */
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| 173 | ad69471c | pbrook | #define NEON_VOP1(name, vtype, n) \
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| 174 | ad69471c | pbrook | uint32_t HELPER(glue(neon_,name))(uint32_t arg) \ |
| 175 | ad69471c | pbrook | { \
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| 176 | ad69471c | pbrook | vtype vsrc1; \ |
| 177 | ad69471c | pbrook | vtype vdest; \ |
| 178 | ad69471c | pbrook | NEON_UNPACK(vtype, vsrc1, arg); \ |
| 179 | ad69471c | pbrook | NEON_DO##n; \ |
| 180 | ad69471c | pbrook | NEON_PACK(vtype, arg, vdest); \ |
| 181 | ad69471c | pbrook | return arg; \
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| 182 | ad69471c | pbrook | } |
| 183 | ad69471c | pbrook | |
| 184 | ad69471c | pbrook | |
| 185 | ad69471c | pbrook | #define NEON_USAT(dest, src1, src2, type) do { \ |
| 186 | ad69471c | pbrook | uint32_t tmp = (uint32_t)src1 + (uint32_t)src2; \ |
| 187 | ad69471c | pbrook | if (tmp != (type)tmp) { \
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| 188 | ad69471c | pbrook | SET_QC(); \ |
| 189 | ad69471c | pbrook | dest = ~0; \
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| 190 | ad69471c | pbrook | } else { \
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| 191 | ad69471c | pbrook | dest = tmp; \ |
| 192 | ad69471c | pbrook | }} while(0) |
| 193 | ad69471c | pbrook | #define NEON_FN(dest, src1, src2) NEON_USAT(dest, src1, src2, uint8_t)
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| 194 | ad69471c | pbrook | NEON_VOP_ENV(qadd_u8, neon_u8, 4)
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| 195 | ad69471c | pbrook | #undef NEON_FN
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| 196 | ad69471c | pbrook | #define NEON_FN(dest, src1, src2) NEON_USAT(dest, src1, src2, uint16_t)
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| 197 | ad69471c | pbrook | NEON_VOP_ENV(qadd_u16, neon_u16, 2)
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| 198 | ad69471c | pbrook | #undef NEON_FN
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| 199 | ad69471c | pbrook | #undef NEON_USAT
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| 200 | ad69471c | pbrook | |
| 201 | ad69471c | pbrook | #define NEON_SSAT(dest, src1, src2, type) do { \ |
| 202 | ad69471c | pbrook | int32_t tmp = (uint32_t)src1 + (uint32_t)src2; \ |
| 203 | ad69471c | pbrook | if (tmp != (type)tmp) { \
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| 204 | ad69471c | pbrook | SET_QC(); \ |
| 205 | ad69471c | pbrook | if (src2 > 0) { \ |
| 206 | ad69471c | pbrook | tmp = (1 << (sizeof(type) * 8 - 1)) - 1; \ |
| 207 | ad69471c | pbrook | } else { \
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| 208 | ad69471c | pbrook | tmp = 1 << (sizeof(type) * 8 - 1); \ |
| 209 | ad69471c | pbrook | } \ |
| 210 | ad69471c | pbrook | } \ |
| 211 | ad69471c | pbrook | dest = tmp; \ |
| 212 | ad69471c | pbrook | } while(0) |
| 213 | ad69471c | pbrook | #define NEON_FN(dest, src1, src2) NEON_SSAT(dest, src1, src2, int8_t)
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| 214 | ad69471c | pbrook | NEON_VOP_ENV(qadd_s8, neon_s8, 4)
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| 215 | ad69471c | pbrook | #undef NEON_FN
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| 216 | ad69471c | pbrook | #define NEON_FN(dest, src1, src2) NEON_SSAT(dest, src1, src2, int16_t)
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| 217 | ad69471c | pbrook | NEON_VOP_ENV(qadd_s16, neon_s16, 2)
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| 218 | ad69471c | pbrook | #undef NEON_FN
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| 219 | ad69471c | pbrook | #undef NEON_SSAT
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| 220 | ad69471c | pbrook | |
| 221 | ad69471c | pbrook | #define NEON_USAT(dest, src1, src2, type) do { \ |
| 222 | ad69471c | pbrook | uint32_t tmp = (uint32_t)src1 - (uint32_t)src2; \ |
| 223 | ad69471c | pbrook | if (tmp != (type)tmp) { \
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| 224 | ad69471c | pbrook | SET_QC(); \ |
| 225 | ad69471c | pbrook | dest = 0; \
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| 226 | ad69471c | pbrook | } else { \
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| 227 | ad69471c | pbrook | dest = tmp; \ |
| 228 | ad69471c | pbrook | }} while(0) |
| 229 | ad69471c | pbrook | #define NEON_FN(dest, src1, src2) NEON_USAT(dest, src1, src2, uint8_t)
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| 230 | ad69471c | pbrook | NEON_VOP_ENV(qsub_u8, neon_u8, 4)
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| 231 | ad69471c | pbrook | #undef NEON_FN
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| 232 | ad69471c | pbrook | #define NEON_FN(dest, src1, src2) NEON_USAT(dest, src1, src2, uint16_t)
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| 233 | ad69471c | pbrook | NEON_VOP_ENV(qsub_u16, neon_u16, 2)
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| 234 | ad69471c | pbrook | #undef NEON_FN
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| 235 | ad69471c | pbrook | #undef NEON_USAT
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| 236 | ad69471c | pbrook | |
| 237 | ad69471c | pbrook | #define NEON_SSAT(dest, src1, src2, type) do { \ |
| 238 | ad69471c | pbrook | int32_t tmp = (uint32_t)src1 - (uint32_t)src2; \ |
| 239 | ad69471c | pbrook | if (tmp != (type)tmp) { \
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| 240 | ad69471c | pbrook | SET_QC(); \ |
| 241 | ad69471c | pbrook | if (src2 < 0) { \ |
| 242 | ad69471c | pbrook | tmp = (1 << (sizeof(type) * 8 - 1)) - 1; \ |
| 243 | ad69471c | pbrook | } else { \
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| 244 | ad69471c | pbrook | tmp = 1 << (sizeof(type) * 8 - 1); \ |
| 245 | ad69471c | pbrook | } \ |
| 246 | ad69471c | pbrook | } \ |
| 247 | ad69471c | pbrook | dest = tmp; \ |
| 248 | ad69471c | pbrook | } while(0) |
| 249 | ad69471c | pbrook | #define NEON_FN(dest, src1, src2) NEON_SSAT(dest, src1, src2, int8_t)
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| 250 | ad69471c | pbrook | NEON_VOP_ENV(qsub_s8, neon_s8, 4)
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| 251 | ad69471c | pbrook | #undef NEON_FN
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| 252 | ad69471c | pbrook | #define NEON_FN(dest, src1, src2) NEON_SSAT(dest, src1, src2, int16_t)
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| 253 | ad69471c | pbrook | NEON_VOP_ENV(qsub_s16, neon_s16, 2)
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| 254 | ad69471c | pbrook | #undef NEON_FN
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| 255 | ad69471c | pbrook | #undef NEON_SSAT
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| 256 | ad69471c | pbrook | |
| 257 | ad69471c | pbrook | #define NEON_FN(dest, src1, src2) dest = (src1 + src2) >> 1 |
| 258 | ad69471c | pbrook | NEON_VOP(hadd_s8, neon_s8, 4)
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| 259 | ad69471c | pbrook | NEON_VOP(hadd_u8, neon_u8, 4)
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| 260 | ad69471c | pbrook | NEON_VOP(hadd_s16, neon_s16, 2)
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| 261 | ad69471c | pbrook | NEON_VOP(hadd_u16, neon_u16, 2)
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| 262 | ad69471c | pbrook | #undef NEON_FN
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| 263 | ad69471c | pbrook | |
| 264 | ad69471c | pbrook | int32_t HELPER(neon_hadd_s32)(int32_t src1, int32_t src2) |
| 265 | ad69471c | pbrook | {
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| 266 | ad69471c | pbrook | int32_t dest; |
| 267 | ad69471c | pbrook | |
| 268 | ad69471c | pbrook | dest = (src1 >> 1) + (src2 >> 1); |
| 269 | ad69471c | pbrook | if (src1 & src2 & 1) |
| 270 | ad69471c | pbrook | dest++; |
| 271 | ad69471c | pbrook | return dest;
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| 272 | ad69471c | pbrook | } |
| 273 | ad69471c | pbrook | |
| 274 | ad69471c | pbrook | uint32_t HELPER(neon_hadd_u32)(uint32_t src1, uint32_t src2) |
| 275 | ad69471c | pbrook | {
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| 276 | ad69471c | pbrook | uint32_t dest; |
| 277 | ad69471c | pbrook | |
| 278 | ad69471c | pbrook | dest = (src1 >> 1) + (src2 >> 1); |
| 279 | ad69471c | pbrook | if (src1 & src2 & 1) |
| 280 | ad69471c | pbrook | dest++; |
| 281 | ad69471c | pbrook | return dest;
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| 282 | ad69471c | pbrook | } |
| 283 | ad69471c | pbrook | |
| 284 | ad69471c | pbrook | #define NEON_FN(dest, src1, src2) dest = (src1 + src2 + 1) >> 1 |
| 285 | ad69471c | pbrook | NEON_VOP(rhadd_s8, neon_s8, 4)
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| 286 | ad69471c | pbrook | NEON_VOP(rhadd_u8, neon_u8, 4)
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| 287 | ad69471c | pbrook | NEON_VOP(rhadd_s16, neon_s16, 2)
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| 288 | ad69471c | pbrook | NEON_VOP(rhadd_u16, neon_u16, 2)
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| 289 | ad69471c | pbrook | #undef NEON_FN
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| 290 | ad69471c | pbrook | |
| 291 | ad69471c | pbrook | int32_t HELPER(neon_rhadd_s32)(int32_t src1, int32_t src2) |
| 292 | ad69471c | pbrook | {
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| 293 | ad69471c | pbrook | int32_t dest; |
| 294 | ad69471c | pbrook | |
| 295 | ad69471c | pbrook | dest = (src1 >> 1) + (src2 >> 1); |
| 296 | ad69471c | pbrook | if ((src1 | src2) & 1) |
| 297 | ad69471c | pbrook | dest++; |
| 298 | ad69471c | pbrook | return dest;
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| 299 | ad69471c | pbrook | } |
| 300 | ad69471c | pbrook | |
| 301 | ad69471c | pbrook | uint32_t HELPER(neon_rhadd_u32)(uint32_t src1, uint32_t src2) |
| 302 | ad69471c | pbrook | {
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| 303 | ad69471c | pbrook | uint32_t dest; |
| 304 | ad69471c | pbrook | |
| 305 | ad69471c | pbrook | dest = (src1 >> 1) + (src2 >> 1); |
| 306 | ad69471c | pbrook | if ((src1 | src2) & 1) |
| 307 | ad69471c | pbrook | dest++; |
| 308 | ad69471c | pbrook | return dest;
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| 309 | ad69471c | pbrook | } |
| 310 | ad69471c | pbrook | |
| 311 | ad69471c | pbrook | #define NEON_FN(dest, src1, src2) dest = (src1 - src2) >> 1 |
| 312 | ad69471c | pbrook | NEON_VOP(hsub_s8, neon_s8, 4)
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| 313 | ad69471c | pbrook | NEON_VOP(hsub_u8, neon_u8, 4)
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| 314 | ad69471c | pbrook | NEON_VOP(hsub_s16, neon_s16, 2)
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| 315 | ad69471c | pbrook | NEON_VOP(hsub_u16, neon_u16, 2)
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| 316 | ad69471c | pbrook | #undef NEON_FN
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| 317 | ad69471c | pbrook | |
| 318 | ad69471c | pbrook | int32_t HELPER(neon_hsub_s32)(int32_t src1, int32_t src2) |
| 319 | ad69471c | pbrook | {
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| 320 | ad69471c | pbrook | int32_t dest; |
| 321 | ad69471c | pbrook | |
| 322 | ad69471c | pbrook | dest = (src1 >> 1) - (src2 >> 1); |
| 323 | ad69471c | pbrook | if ((~src1) & src2 & 1) |
| 324 | ad69471c | pbrook | dest--; |
| 325 | ad69471c | pbrook | return dest;
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| 326 | ad69471c | pbrook | } |
| 327 | ad69471c | pbrook | |
| 328 | ad69471c | pbrook | uint32_t HELPER(neon_hsub_u32)(uint32_t src1, uint32_t src2) |
| 329 | ad69471c | pbrook | {
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| 330 | ad69471c | pbrook | uint32_t dest; |
| 331 | ad69471c | pbrook | |
| 332 | ad69471c | pbrook | dest = (src1 >> 1) - (src2 >> 1); |
| 333 | ad69471c | pbrook | if ((~src1) & src2 & 1) |
| 334 | ad69471c | pbrook | dest--; |
| 335 | ad69471c | pbrook | return dest;
|
| 336 | ad69471c | pbrook | } |
| 337 | ad69471c | pbrook | |
| 338 | ad69471c | pbrook | #define NEON_FN(dest, src1, src2) dest = (src1 > src2) ? ~0 : 0 |
| 339 | ad69471c | pbrook | NEON_VOP(cgt_s8, neon_s8, 4)
|
| 340 | ad69471c | pbrook | NEON_VOP(cgt_u8, neon_u8, 4)
|
| 341 | ad69471c | pbrook | NEON_VOP(cgt_s16, neon_s16, 2)
|
| 342 | ad69471c | pbrook | NEON_VOP(cgt_u16, neon_u16, 2)
|
| 343 | ad69471c | pbrook | NEON_VOP(cgt_s32, neon_s32, 1)
|
| 344 | ad69471c | pbrook | NEON_VOP(cgt_u32, neon_u32, 1)
|
| 345 | ad69471c | pbrook | #undef NEON_FN
|
| 346 | ad69471c | pbrook | |
| 347 | ad69471c | pbrook | #define NEON_FN(dest, src1, src2) dest = (src1 >= src2) ? ~0 : 0 |
| 348 | ad69471c | pbrook | NEON_VOP(cge_s8, neon_s8, 4)
|
| 349 | ad69471c | pbrook | NEON_VOP(cge_u8, neon_u8, 4)
|
| 350 | ad69471c | pbrook | NEON_VOP(cge_s16, neon_s16, 2)
|
| 351 | ad69471c | pbrook | NEON_VOP(cge_u16, neon_u16, 2)
|
| 352 | ad69471c | pbrook | NEON_VOP(cge_s32, neon_s32, 1)
|
| 353 | ad69471c | pbrook | NEON_VOP(cge_u32, neon_u32, 1)
|
| 354 | ad69471c | pbrook | #undef NEON_FN
|
| 355 | ad69471c | pbrook | |
| 356 | ad69471c | pbrook | #define NEON_FN(dest, src1, src2) dest = (src1 < src2) ? src1 : src2
|
| 357 | ad69471c | pbrook | NEON_VOP(min_s8, neon_s8, 4)
|
| 358 | ad69471c | pbrook | NEON_VOP(min_u8, neon_u8, 4)
|
| 359 | ad69471c | pbrook | NEON_VOP(min_s16, neon_s16, 2)
|
| 360 | ad69471c | pbrook | NEON_VOP(min_u16, neon_u16, 2)
|
| 361 | ad69471c | pbrook | NEON_VOP(min_s32, neon_s32, 1)
|
| 362 | ad69471c | pbrook | NEON_VOP(min_u32, neon_u32, 1)
|
| 363 | ad69471c | pbrook | NEON_POP(pmin_s8, neon_s8, 4)
|
| 364 | ad69471c | pbrook | NEON_POP(pmin_u8, neon_u8, 4)
|
| 365 | ad69471c | pbrook | NEON_POP(pmin_s16, neon_s16, 2)
|
| 366 | ad69471c | pbrook | NEON_POP(pmin_u16, neon_u16, 2)
|
| 367 | ad69471c | pbrook | #undef NEON_FN
|
| 368 | ad69471c | pbrook | |
| 369 | ad69471c | pbrook | #define NEON_FN(dest, src1, src2) dest = (src1 > src2) ? src1 : src2
|
| 370 | ad69471c | pbrook | NEON_VOP(max_s8, neon_s8, 4)
|
| 371 | ad69471c | pbrook | NEON_VOP(max_u8, neon_u8, 4)
|
| 372 | ad69471c | pbrook | NEON_VOP(max_s16, neon_s16, 2)
|
| 373 | ad69471c | pbrook | NEON_VOP(max_u16, neon_u16, 2)
|
| 374 | ad69471c | pbrook | NEON_VOP(max_s32, neon_s32, 1)
|
| 375 | ad69471c | pbrook | NEON_VOP(max_u32, neon_u32, 1)
|
| 376 | ad69471c | pbrook | NEON_POP(pmax_s8, neon_s8, 4)
|
| 377 | ad69471c | pbrook | NEON_POP(pmax_u8, neon_u8, 4)
|
| 378 | ad69471c | pbrook | NEON_POP(pmax_s16, neon_s16, 2)
|
| 379 | ad69471c | pbrook | NEON_POP(pmax_u16, neon_u16, 2)
|
| 380 | ad69471c | pbrook | #undef NEON_FN
|
| 381 | ad69471c | pbrook | |
| 382 | ad69471c | pbrook | #define NEON_FN(dest, src1, src2) \
|
| 383 | ad69471c | pbrook | dest = (src1 > src2) ? (src1 - src2) : (src2 - src1) |
| 384 | ad69471c | pbrook | NEON_VOP(abd_s8, neon_s8, 4)
|
| 385 | ad69471c | pbrook | NEON_VOP(abd_u8, neon_u8, 4)
|
| 386 | ad69471c | pbrook | NEON_VOP(abd_s16, neon_s16, 2)
|
| 387 | ad69471c | pbrook | NEON_VOP(abd_u16, neon_u16, 2)
|
| 388 | ad69471c | pbrook | NEON_VOP(abd_s32, neon_s32, 1)
|
| 389 | ad69471c | pbrook | NEON_VOP(abd_u32, neon_u32, 1)
|
| 390 | ad69471c | pbrook | #undef NEON_FN
|
| 391 | ad69471c | pbrook | |
| 392 | ad69471c | pbrook | #define NEON_FN(dest, src1, src2) do { \ |
| 393 | ad69471c | pbrook | int8_t tmp; \ |
| 394 | ad69471c | pbrook | tmp = (int8_t)src2; \ |
| 395 | ad69471c | pbrook | if (tmp >= sizeof(src1) * 8 || tmp <= -sizeof(src1) * 8) { \ |
| 396 | ad69471c | pbrook | dest = 0; \
|
| 397 | ad69471c | pbrook | } else if (tmp < 0) { \ |
| 398 | ad69471c | pbrook | dest = src1 >> -tmp; \ |
| 399 | ad69471c | pbrook | } else { \
|
| 400 | ad69471c | pbrook | dest = src1 << tmp; \ |
| 401 | ad69471c | pbrook | }} while (0) |
| 402 | ad69471c | pbrook | NEON_VOP(shl_u8, neon_u8, 4)
|
| 403 | ad69471c | pbrook | NEON_VOP(shl_u16, neon_u16, 2)
|
| 404 | ad69471c | pbrook | NEON_VOP(shl_u32, neon_u32, 1)
|
| 405 | ad69471c | pbrook | #undef NEON_FN
|
| 406 | ad69471c | pbrook | |
| 407 | ad69471c | pbrook | uint64_t HELPER(neon_shl_u64)(uint64_t val, uint64_t shiftop) |
| 408 | ad69471c | pbrook | {
|
| 409 | ad69471c | pbrook | int8_t shift = (int8_t)shiftop; |
| 410 | ad69471c | pbrook | if (shift >= 64 || shift <= -64) { |
| 411 | ad69471c | pbrook | val = 0;
|
| 412 | ad69471c | pbrook | } else if (shift < 0) { |
| 413 | ad69471c | pbrook | val >>= -shift; |
| 414 | ad69471c | pbrook | } else {
|
| 415 | ad69471c | pbrook | val <<= shift; |
| 416 | ad69471c | pbrook | } |
| 417 | ad69471c | pbrook | return val;
|
| 418 | ad69471c | pbrook | } |
| 419 | ad69471c | pbrook | |
| 420 | ad69471c | pbrook | #define NEON_FN(dest, src1, src2) do { \ |
| 421 | ad69471c | pbrook | int8_t tmp; \ |
| 422 | ad69471c | pbrook | tmp = (int8_t)src2; \ |
| 423 | ad69471c | pbrook | if (tmp >= sizeof(src1) * 8) { \ |
| 424 | ad69471c | pbrook | dest = 0; \
|
| 425 | ad69471c | pbrook | } else if (tmp <= -sizeof(src1) * 8) { \ |
| 426 | ad69471c | pbrook | dest = src1 >> (sizeof(src1) * 8 - 1); \ |
| 427 | ad69471c | pbrook | } else if (tmp < 0) { \ |
| 428 | ad69471c | pbrook | dest = src1 >> -tmp; \ |
| 429 | ad69471c | pbrook | } else { \
|
| 430 | ad69471c | pbrook | dest = src1 << tmp; \ |
| 431 | ad69471c | pbrook | }} while (0) |
| 432 | ad69471c | pbrook | NEON_VOP(shl_s8, neon_s8, 4)
|
| 433 | ad69471c | pbrook | NEON_VOP(shl_s16, neon_s16, 2)
|
| 434 | ad69471c | pbrook | NEON_VOP(shl_s32, neon_s32, 1)
|
| 435 | ad69471c | pbrook | #undef NEON_FN
|
| 436 | ad69471c | pbrook | |
| 437 | ad69471c | pbrook | uint64_t HELPER(neon_shl_s64)(uint64_t valop, uint64_t shiftop) |
| 438 | ad69471c | pbrook | {
|
| 439 | ad69471c | pbrook | int8_t shift = (int8_t)shiftop; |
| 440 | ad69471c | pbrook | int64_t val = valop; |
| 441 | ad69471c | pbrook | if (shift >= 64) { |
| 442 | ad69471c | pbrook | val = 0;
|
| 443 | ad69471c | pbrook | } else if (shift <= -64) { |
| 444 | ad69471c | pbrook | val >>= 63;
|
| 445 | ad69471c | pbrook | } else if (shift < 0) { |
| 446 | ad69471c | pbrook | val >>= -shift; |
| 447 | ad69471c | pbrook | } else {
|
| 448 | ad69471c | pbrook | val <<= shift; |
| 449 | ad69471c | pbrook | } |
| 450 | ad69471c | pbrook | return val;
|
| 451 | ad69471c | pbrook | } |
| 452 | ad69471c | pbrook | |
| 453 | ad69471c | pbrook | #define NEON_FN(dest, src1, src2) do { \ |
| 454 | ad69471c | pbrook | int8_t tmp; \ |
| 455 | ad69471c | pbrook | tmp = (int8_t)src2; \ |
| 456 | ad69471c | pbrook | if (tmp >= sizeof(src1) * 8) { \ |
| 457 | ad69471c | pbrook | dest = 0; \
|
| 458 | ad69471c | pbrook | } else if (tmp < -sizeof(src1) * 8) { \ |
| 459 | ad69471c | pbrook | dest >>= sizeof(src1) * 8 - 1; \ |
| 460 | ad69471c | pbrook | } else if (tmp == -sizeof(src1) * 8) { \ |
| 461 | ad69471c | pbrook | dest = src1 >> (tmp - 1); \
|
| 462 | ad69471c | pbrook | dest++; \ |
| 463 | ad69471c | pbrook | src2 >>= 1; \
|
| 464 | ad69471c | pbrook | } else if (tmp < 0) { \ |
| 465 | ad69471c | pbrook | dest = (src1 + (1 << (-1 - tmp))) >> -tmp; \ |
| 466 | ad69471c | pbrook | } else { \
|
| 467 | ad69471c | pbrook | dest = src1 << tmp; \ |
| 468 | ad69471c | pbrook | }} while (0) |
| 469 | ad69471c | pbrook | NEON_VOP(rshl_s8, neon_s8, 4)
|
| 470 | ad69471c | pbrook | NEON_VOP(rshl_s16, neon_s16, 2)
|
| 471 | ad69471c | pbrook | NEON_VOP(rshl_s32, neon_s32, 1)
|
| 472 | ad69471c | pbrook | #undef NEON_FN
|
| 473 | ad69471c | pbrook | |
| 474 | ad69471c | pbrook | uint64_t HELPER(neon_rshl_s64)(uint64_t valop, uint64_t shiftop) |
| 475 | ad69471c | pbrook | {
|
| 476 | ad69471c | pbrook | int8_t shift = (int8_t)shiftop; |
| 477 | ad69471c | pbrook | int64_t val = valop; |
| 478 | ad69471c | pbrook | if (shift >= 64) { |
| 479 | ad69471c | pbrook | val = 0;
|
| 480 | ad69471c | pbrook | } else if (shift < -64) { |
| 481 | ad69471c | pbrook | val >>= 63;
|
| 482 | ad69471c | pbrook | } else if (shift == -63) { |
| 483 | ad69471c | pbrook | val >>= 63;
|
| 484 | ad69471c | pbrook | val++; |
| 485 | ad69471c | pbrook | val >>= 1;
|
| 486 | ad69471c | pbrook | } else if (shift < 0) { |
| 487 | ad69471c | pbrook | val = (val + ((int64_t)1 << (-1 - shift))) >> -shift; |
| 488 | ad69471c | pbrook | } else {
|
| 489 | ad69471c | pbrook | val <<= shift; |
| 490 | ad69471c | pbrook | } |
| 491 | ad69471c | pbrook | return val;
|
| 492 | ad69471c | pbrook | } |
| 493 | ad69471c | pbrook | |
| 494 | ad69471c | pbrook | #define NEON_FN(dest, src1, src2) do { \ |
| 495 | ad69471c | pbrook | int8_t tmp; \ |
| 496 | ad69471c | pbrook | tmp = (int8_t)src2; \ |
| 497 | ad69471c | pbrook | if (tmp >= sizeof(src1) * 8 || tmp < -sizeof(src1) * 8) { \ |
| 498 | ad69471c | pbrook | dest = 0; \
|
| 499 | ad69471c | pbrook | } else if (tmp == -sizeof(src1) * 8) { \ |
| 500 | ad69471c | pbrook | dest = src1 >> (tmp - 1); \
|
| 501 | ad69471c | pbrook | } else if (tmp < 0) { \ |
| 502 | ad69471c | pbrook | dest = (src1 + (1 << (-1 - tmp))) >> -tmp; \ |
| 503 | ad69471c | pbrook | } else { \
|
| 504 | ad69471c | pbrook | dest = src1 << tmp; \ |
| 505 | ad69471c | pbrook | }} while (0) |
| 506 | ad69471c | pbrook | NEON_VOP(rshl_u8, neon_u8, 4)
|
| 507 | ad69471c | pbrook | NEON_VOP(rshl_u16, neon_u16, 2)
|
| 508 | ad69471c | pbrook | NEON_VOP(rshl_u32, neon_u32, 1)
|
| 509 | ad69471c | pbrook | #undef NEON_FN
|
| 510 | ad69471c | pbrook | |
| 511 | ad69471c | pbrook | uint64_t HELPER(neon_rshl_u64)(uint64_t val, uint64_t shiftop) |
| 512 | ad69471c | pbrook | {
|
| 513 | ad69471c | pbrook | int8_t shift = (uint8_t)shiftop; |
| 514 | ad69471c | pbrook | if (shift >= 64 || shift < 64) { |
| 515 | ad69471c | pbrook | val = 0;
|
| 516 | ad69471c | pbrook | } else if (shift == -64) { |
| 517 | ad69471c | pbrook | /* Rounding a 1-bit result just preserves that bit. */
|
| 518 | ad69471c | pbrook | val >>= 63;
|
| 519 | ad69471c | pbrook | } if (shift < 0) { |
| 520 | ad69471c | pbrook | val = (val + ((uint64_t)1 << (-1 - shift))) >> -shift; |
| 521 | ad69471c | pbrook | val >>= -shift; |
| 522 | ad69471c | pbrook | } else {
|
| 523 | ad69471c | pbrook | val <<= shift; |
| 524 | ad69471c | pbrook | } |
| 525 | ad69471c | pbrook | return val;
|
| 526 | ad69471c | pbrook | } |
| 527 | ad69471c | pbrook | |
| 528 | ad69471c | pbrook | #define NEON_FN(dest, src1, src2) do { \ |
| 529 | ad69471c | pbrook | int8_t tmp; \ |
| 530 | ad69471c | pbrook | tmp = (int8_t)src2; \ |
| 531 | ad69471c | pbrook | if (tmp >= sizeof(src1) * 8) { \ |
| 532 | ad69471c | pbrook | if (src1) { \
|
| 533 | ad69471c | pbrook | SET_QC(); \ |
| 534 | ad69471c | pbrook | dest = ~0; \
|
| 535 | ad69471c | pbrook | } else { \
|
| 536 | ad69471c | pbrook | dest = 0; \
|
| 537 | ad69471c | pbrook | } \ |
| 538 | ad69471c | pbrook | } else if (tmp <= -sizeof(src1) * 8) { \ |
| 539 | ad69471c | pbrook | dest = 0; \
|
| 540 | ad69471c | pbrook | } else if (tmp < 0) { \ |
| 541 | ad69471c | pbrook | dest = src1 >> -tmp; \ |
| 542 | ad69471c | pbrook | } else { \
|
| 543 | ad69471c | pbrook | dest = src1 << tmp; \ |
| 544 | ad69471c | pbrook | if ((dest >> tmp) != src1) { \
|
| 545 | ad69471c | pbrook | SET_QC(); \ |
| 546 | ad69471c | pbrook | dest = ~0; \
|
| 547 | ad69471c | pbrook | } \ |
| 548 | ad69471c | pbrook | }} while (0) |
| 549 | ad69471c | pbrook | NEON_VOP_ENV(qshl_u8, neon_u8, 4)
|
| 550 | ad69471c | pbrook | NEON_VOP_ENV(qshl_u16, neon_u16, 2)
|
| 551 | ad69471c | pbrook | NEON_VOP_ENV(qshl_u32, neon_u32, 1)
|
| 552 | ad69471c | pbrook | #undef NEON_FN
|
| 553 | ad69471c | pbrook | |
| 554 | ad69471c | pbrook | uint64_t HELPER(neon_qshl_u64)(CPUState *env, uint64_t val, uint64_t shiftop) |
| 555 | ad69471c | pbrook | {
|
| 556 | ad69471c | pbrook | int8_t shift = (int8_t)shiftop; |
| 557 | ad69471c | pbrook | if (shift >= 64) { |
| 558 | ad69471c | pbrook | if (val) {
|
| 559 | ad69471c | pbrook | val = ~(uint64_t)0;
|
| 560 | ad69471c | pbrook | SET_QC(); |
| 561 | ad69471c | pbrook | } else {
|
| 562 | ad69471c | pbrook | val = 0;
|
| 563 | ad69471c | pbrook | } |
| 564 | ad69471c | pbrook | } else if (shift <= -64) { |
| 565 | ad69471c | pbrook | val = 0;
|
| 566 | ad69471c | pbrook | } else if (shift < 0) { |
| 567 | ad69471c | pbrook | val >>= -shift; |
| 568 | ad69471c | pbrook | } else {
|
| 569 | ad69471c | pbrook | uint64_t tmp = val; |
| 570 | ad69471c | pbrook | val <<= shift; |
| 571 | ad69471c | pbrook | if ((val >> shift) != tmp) {
|
| 572 | ad69471c | pbrook | SET_QC(); |
| 573 | ad69471c | pbrook | val = ~(uint64_t)0;
|
| 574 | ad69471c | pbrook | } |
| 575 | ad69471c | pbrook | } |
| 576 | ad69471c | pbrook | return val;
|
| 577 | ad69471c | pbrook | } |
| 578 | ad69471c | pbrook | |
| 579 | ad69471c | pbrook | #define NEON_FN(dest, src1, src2) do { \ |
| 580 | ad69471c | pbrook | int8_t tmp; \ |
| 581 | ad69471c | pbrook | tmp = (int8_t)src2; \ |
| 582 | ad69471c | pbrook | if (tmp >= sizeof(src1) * 8) { \ |
| 583 | ad69471c | pbrook | if (src1) \
|
| 584 | ad69471c | pbrook | SET_QC(); \ |
| 585 | ad69471c | pbrook | dest = src1 >> 31; \
|
| 586 | ad69471c | pbrook | } else if (tmp <= -sizeof(src1) * 8) { \ |
| 587 | ad69471c | pbrook | dest = src1 >> 31; \
|
| 588 | ad69471c | pbrook | } else if (tmp < 0) { \ |
| 589 | ad69471c | pbrook | dest = src1 >> -tmp; \ |
| 590 | ad69471c | pbrook | } else { \
|
| 591 | ad69471c | pbrook | dest = src1 << tmp; \ |
| 592 | ad69471c | pbrook | if ((dest >> tmp) != src1) { \
|
| 593 | ad69471c | pbrook | SET_QC(); \ |
| 594 | ad69471c | pbrook | dest = src2 >> 31; \
|
| 595 | ad69471c | pbrook | } \ |
| 596 | ad69471c | pbrook | }} while (0) |
| 597 | ad69471c | pbrook | NEON_VOP_ENV(qshl_s8, neon_s8, 4)
|
| 598 | ad69471c | pbrook | NEON_VOP_ENV(qshl_s16, neon_s16, 2)
|
| 599 | ad69471c | pbrook | NEON_VOP_ENV(qshl_s32, neon_s32, 1)
|
| 600 | ad69471c | pbrook | #undef NEON_FN
|
| 601 | ad69471c | pbrook | |
| 602 | ad69471c | pbrook | uint64_t HELPER(neon_qshl_s64)(CPUState *env, uint64_t valop, uint64_t shiftop) |
| 603 | ad69471c | pbrook | {
|
| 604 | ad69471c | pbrook | int8_t shift = (uint8_t)shiftop; |
| 605 | ad69471c | pbrook | int64_t val = valop; |
| 606 | ad69471c | pbrook | if (shift >= 64) { |
| 607 | ad69471c | pbrook | if (val) {
|
| 608 | ad69471c | pbrook | SET_QC(); |
| 609 | ad69471c | pbrook | val = (val >> 63) & ~SIGNBIT64;
|
| 610 | ad69471c | pbrook | } |
| 611 | ad69471c | pbrook | } else if (shift <= 64) { |
| 612 | ad69471c | pbrook | val >>= 63;
|
| 613 | ad69471c | pbrook | } else if (shift < 0) { |
| 614 | ad69471c | pbrook | val >>= -shift; |
| 615 | ad69471c | pbrook | } else {
|
| 616 | ad69471c | pbrook | int64_t tmp = val; |
| 617 | ad69471c | pbrook | val <<= shift; |
| 618 | ad69471c | pbrook | if ((val >> shift) != tmp) {
|
| 619 | ad69471c | pbrook | SET_QC(); |
| 620 | ad69471c | pbrook | val = (tmp >> 63) ^ ~SIGNBIT64;
|
| 621 | ad69471c | pbrook | } |
| 622 | ad69471c | pbrook | } |
| 623 | ad69471c | pbrook | return val;
|
| 624 | ad69471c | pbrook | } |
| 625 | ad69471c | pbrook | |
| 626 | ad69471c | pbrook | |
| 627 | ad69471c | pbrook | /* FIXME: This is wrong. */
|
| 628 | ad69471c | pbrook | #define NEON_FN(dest, src1, src2) do { \ |
| 629 | ad69471c | pbrook | int8_t tmp; \ |
| 630 | ad69471c | pbrook | tmp = (int8_t)src2; \ |
| 631 | ad69471c | pbrook | if (tmp < 0) { \ |
| 632 | ad69471c | pbrook | dest = (src1 + (1 << (-1 - tmp))) >> -tmp; \ |
| 633 | ad69471c | pbrook | } else { \
|
| 634 | ad69471c | pbrook | dest = src1 << tmp; \ |
| 635 | ad69471c | pbrook | if ((dest >> tmp) != src1) { \
|
| 636 | ad69471c | pbrook | SET_QC(); \ |
| 637 | ad69471c | pbrook | dest = ~0; \
|
| 638 | ad69471c | pbrook | } \ |
| 639 | ad69471c | pbrook | }} while (0) |
| 640 | ad69471c | pbrook | NEON_VOP_ENV(qrshl_u8, neon_u8, 4)
|
| 641 | ad69471c | pbrook | NEON_VOP_ENV(qrshl_u16, neon_u16, 2)
|
| 642 | ad69471c | pbrook | NEON_VOP_ENV(qrshl_u32, neon_u32, 1)
|
| 643 | ad69471c | pbrook | #undef NEON_FN
|
| 644 | ad69471c | pbrook | |
| 645 | ad69471c | pbrook | uint64_t HELPER(neon_qrshl_u64)(CPUState *env, uint64_t val, uint64_t shiftop) |
| 646 | ad69471c | pbrook | {
|
| 647 | ad69471c | pbrook | int8_t shift = (int8_t)shiftop; |
| 648 | ad69471c | pbrook | if (shift < 0) { |
| 649 | ad69471c | pbrook | val = (val + (1 << (-1 - shift))) >> -shift; |
| 650 | ad69471c | pbrook | } else { \
|
| 651 | ad69471c | pbrook | uint64_t tmp = val; |
| 652 | ad69471c | pbrook | val <<= shift; |
| 653 | ad69471c | pbrook | if ((val >> shift) != tmp) {
|
| 654 | ad69471c | pbrook | SET_QC(); |
| 655 | ad69471c | pbrook | val = ~0;
|
| 656 | ad69471c | pbrook | } |
| 657 | ad69471c | pbrook | } |
| 658 | ad69471c | pbrook | return val;
|
| 659 | ad69471c | pbrook | } |
| 660 | ad69471c | pbrook | |
| 661 | ad69471c | pbrook | #define NEON_FN(dest, src1, src2) do { \ |
| 662 | ad69471c | pbrook | int8_t tmp; \ |
| 663 | ad69471c | pbrook | tmp = (int8_t)src2; \ |
| 664 | ad69471c | pbrook | if (tmp < 0) { \ |
| 665 | ad69471c | pbrook | dest = (src1 + (1 << (-1 - tmp))) >> -tmp; \ |
| 666 | ad69471c | pbrook | } else { \
|
| 667 | ad69471c | pbrook | dest = src1 << tmp; \ |
| 668 | ad69471c | pbrook | if ((dest >> tmp) != src1) { \
|
| 669 | ad69471c | pbrook | SET_QC(); \ |
| 670 | ad69471c | pbrook | dest = src1 >> 31; \
|
| 671 | ad69471c | pbrook | } \ |
| 672 | ad69471c | pbrook | }} while (0) |
| 673 | ad69471c | pbrook | NEON_VOP_ENV(qrshl_s8, neon_s8, 4)
|
| 674 | ad69471c | pbrook | NEON_VOP_ENV(qrshl_s16, neon_s16, 2)
|
| 675 | ad69471c | pbrook | NEON_VOP_ENV(qrshl_s32, neon_s32, 1)
|
| 676 | ad69471c | pbrook | #undef NEON_FN
|
| 677 | ad69471c | pbrook | |
| 678 | ad69471c | pbrook | uint64_t HELPER(neon_qrshl_s64)(CPUState *env, uint64_t valop, uint64_t shiftop) |
| 679 | ad69471c | pbrook | {
|
| 680 | ad69471c | pbrook | int8_t shift = (uint8_t)shiftop; |
| 681 | ad69471c | pbrook | int64_t val = valop; |
| 682 | ad69471c | pbrook | |
| 683 | ad69471c | pbrook | if (shift < 0) { |
| 684 | ad69471c | pbrook | val = (val + (1 << (-1 - shift))) >> -shift; |
| 685 | ad69471c | pbrook | } else {
|
| 686 | ad69471c | pbrook | int64_t tmp = val;; |
| 687 | ad69471c | pbrook | val <<= shift; |
| 688 | ad69471c | pbrook | if ((val >> shift) != tmp) {
|
| 689 | ad69471c | pbrook | SET_QC(); |
| 690 | ad69471c | pbrook | val = tmp >> 31;
|
| 691 | ad69471c | pbrook | } |
| 692 | ad69471c | pbrook | } |
| 693 | ad69471c | pbrook | return val;
|
| 694 | ad69471c | pbrook | } |
| 695 | ad69471c | pbrook | |
| 696 | ad69471c | pbrook | uint32_t HELPER(neon_add_u8)(uint32_t a, uint32_t b) |
| 697 | ad69471c | pbrook | {
|
| 698 | ad69471c | pbrook | uint32_t mask; |
| 699 | ad69471c | pbrook | mask = (a ^ b) & 0x80808080u;
|
| 700 | ad69471c | pbrook | a &= ~0x80808080u;
|
| 701 | ad69471c | pbrook | b &= ~0x80808080u;
|
| 702 | ad69471c | pbrook | return (a + b) ^ mask;
|
| 703 | ad69471c | pbrook | } |
| 704 | ad69471c | pbrook | |
| 705 | ad69471c | pbrook | uint32_t HELPER(neon_add_u16)(uint32_t a, uint32_t b) |
| 706 | ad69471c | pbrook | {
|
| 707 | ad69471c | pbrook | uint32_t mask; |
| 708 | ad69471c | pbrook | mask = (a ^ b) & 0x80008000u;
|
| 709 | ad69471c | pbrook | a &= ~0x80008000u;
|
| 710 | ad69471c | pbrook | b &= ~0x80008000u;
|
| 711 | ad69471c | pbrook | return (a + b) ^ mask;
|
| 712 | ad69471c | pbrook | } |
| 713 | ad69471c | pbrook | |
| 714 | ad69471c | pbrook | #define NEON_FN(dest, src1, src2) dest = src1 + src2
|
| 715 | ad69471c | pbrook | NEON_POP(padd_u8, neon_u8, 4)
|
| 716 | ad69471c | pbrook | NEON_POP(padd_u16, neon_u16, 2)
|
| 717 | ad69471c | pbrook | #undef NEON_FN
|
| 718 | ad69471c | pbrook | |
| 719 | ad69471c | pbrook | #define NEON_FN(dest, src1, src2) dest = src1 - src2
|
| 720 | ad69471c | pbrook | NEON_VOP(sub_u8, neon_u8, 4)
|
| 721 | ad69471c | pbrook | NEON_VOP(sub_u16, neon_u16, 2)
|
| 722 | ad69471c | pbrook | #undef NEON_FN
|
| 723 | ad69471c | pbrook | |
| 724 | ad69471c | pbrook | #define NEON_FN(dest, src1, src2) dest = src1 * src2
|
| 725 | ad69471c | pbrook | NEON_VOP(mul_u8, neon_u8, 4)
|
| 726 | ad69471c | pbrook | NEON_VOP(mul_u16, neon_u16, 2)
|
| 727 | ad69471c | pbrook | #undef NEON_FN
|
| 728 | ad69471c | pbrook | |
| 729 | 1654b2d6 | aurel32 | /* Polynomial multiplication is like integer multiplication except the
|
| 730 | ad69471c | pbrook | partial products are XORed, not added. */
|
| 731 | ad69471c | pbrook | uint32_t HELPER(neon_mul_p8)(uint32_t op1, uint32_t op2) |
| 732 | ad69471c | pbrook | {
|
| 733 | ad69471c | pbrook | uint32_t mask; |
| 734 | ad69471c | pbrook | uint32_t result; |
| 735 | ad69471c | pbrook | result = 0;
|
| 736 | ad69471c | pbrook | while (op1) {
|
| 737 | ad69471c | pbrook | mask = 0;
|
| 738 | ad69471c | pbrook | if (op1 & 1) |
| 739 | ad69471c | pbrook | mask |= 0xff;
|
| 740 | ad69471c | pbrook | if (op1 & (1 << 8)) |
| 741 | ad69471c | pbrook | mask |= (0xff << 8); |
| 742 | ad69471c | pbrook | if (op1 & (1 << 16)) |
| 743 | ad69471c | pbrook | mask |= (0xff << 16); |
| 744 | ad69471c | pbrook | if (op1 & (1 << 24)) |
| 745 | ad69471c | pbrook | mask |= (0xff << 24); |
| 746 | ad69471c | pbrook | result ^= op2 & mask; |
| 747 | ad69471c | pbrook | op1 = (op1 >> 1) & 0x7f7f7f7f; |
| 748 | ad69471c | pbrook | op2 = (op2 << 1) & 0xfefefefe; |
| 749 | ad69471c | pbrook | } |
| 750 | ad69471c | pbrook | return result;
|
| 751 | ad69471c | pbrook | } |
| 752 | ad69471c | pbrook | |
| 753 | ad69471c | pbrook | #define NEON_FN(dest, src1, src2) dest = (src1 & src2) ? -1 : 0 |
| 754 | ad69471c | pbrook | NEON_VOP(tst_u8, neon_u8, 4)
|
| 755 | ad69471c | pbrook | NEON_VOP(tst_u16, neon_u16, 2)
|
| 756 | ad69471c | pbrook | NEON_VOP(tst_u32, neon_u32, 1)
|
| 757 | ad69471c | pbrook | #undef NEON_FN
|
| 758 | ad69471c | pbrook | |
| 759 | ad69471c | pbrook | #define NEON_FN(dest, src1, src2) dest = (src1 == src2) ? -1 : 0 |
| 760 | ad69471c | pbrook | NEON_VOP(ceq_u8, neon_u8, 4)
|
| 761 | ad69471c | pbrook | NEON_VOP(ceq_u16, neon_u16, 2)
|
| 762 | ad69471c | pbrook | NEON_VOP(ceq_u32, neon_u32, 1)
|
| 763 | ad69471c | pbrook | #undef NEON_FN
|
| 764 | ad69471c | pbrook | |
| 765 | ad69471c | pbrook | #define NEON_FN(dest, src, dummy) dest = (src < 0) ? -src : src |
| 766 | ad69471c | pbrook | NEON_VOP1(abs_s8, neon_s8, 4)
|
| 767 | ad69471c | pbrook | NEON_VOP1(abs_s16, neon_s16, 2)
|
| 768 | ad69471c | pbrook | #undef NEON_FN
|
| 769 | ad69471c | pbrook | |
| 770 | ad69471c | pbrook | /* Count Leading Sign/Zero Bits. */
|
| 771 | ad69471c | pbrook | static inline int do_clz8(uint8_t x) |
| 772 | ad69471c | pbrook | {
|
| 773 | ad69471c | pbrook | int n;
|
| 774 | ad69471c | pbrook | for (n = 8; x; n--) |
| 775 | ad69471c | pbrook | x >>= 1;
|
| 776 | ad69471c | pbrook | return n;
|
| 777 | ad69471c | pbrook | } |
| 778 | ad69471c | pbrook | |
| 779 | ad69471c | pbrook | static inline int do_clz16(uint16_t x) |
| 780 | ad69471c | pbrook | {
|
| 781 | ad69471c | pbrook | int n;
|
| 782 | ad69471c | pbrook | for (n = 16; x; n--) |
| 783 | ad69471c | pbrook | x >>= 1;
|
| 784 | ad69471c | pbrook | return n;
|
| 785 | ad69471c | pbrook | } |
| 786 | ad69471c | pbrook | |
| 787 | ad69471c | pbrook | #define NEON_FN(dest, src, dummy) dest = do_clz8(src)
|
| 788 | ad69471c | pbrook | NEON_VOP1(clz_u8, neon_u8, 4)
|
| 789 | ad69471c | pbrook | #undef NEON_FN
|
| 790 | ad69471c | pbrook | |
| 791 | ad69471c | pbrook | #define NEON_FN(dest, src, dummy) dest = do_clz16(src)
|
| 792 | ad69471c | pbrook | NEON_VOP1(clz_u16, neon_u16, 2)
|
| 793 | ad69471c | pbrook | #undef NEON_FN
|
| 794 | ad69471c | pbrook | |
| 795 | ad69471c | pbrook | #define NEON_FN(dest, src, dummy) dest = do_clz8((src < 0) ? ~src : src) - 1 |
| 796 | ad69471c | pbrook | NEON_VOP1(cls_s8, neon_s8, 4)
|
| 797 | ad69471c | pbrook | #undef NEON_FN
|
| 798 | ad69471c | pbrook | |
| 799 | ad69471c | pbrook | #define NEON_FN(dest, src, dummy) dest = do_clz16((src < 0) ? ~src : src) - 1 |
| 800 | ad69471c | pbrook | NEON_VOP1(cls_s16, neon_s16, 2)
|
| 801 | ad69471c | pbrook | #undef NEON_FN
|
| 802 | ad69471c | pbrook | |
| 803 | ad69471c | pbrook | uint32_t HELPER(neon_cls_s32)(uint32_t x) |
| 804 | ad69471c | pbrook | {
|
| 805 | ad69471c | pbrook | int count;
|
| 806 | ad69471c | pbrook | if ((int32_t)x < 0) |
| 807 | ad69471c | pbrook | x = ~x; |
| 808 | ad69471c | pbrook | for (count = 32; x; count--) |
| 809 | ad69471c | pbrook | x = x >> 1;
|
| 810 | ad69471c | pbrook | return count - 1; |
| 811 | ad69471c | pbrook | } |
| 812 | ad69471c | pbrook | |
| 813 | ad69471c | pbrook | /* Bit count. */
|
| 814 | ad69471c | pbrook | uint32_t HELPER(neon_cnt_u8)(uint32_t x) |
| 815 | ad69471c | pbrook | {
|
| 816 | ad69471c | pbrook | x = (x & 0x55555555) + ((x >> 1) & 0x55555555); |
| 817 | ad69471c | pbrook | x = (x & 0x33333333) + ((x >> 2) & 0x33333333); |
| 818 | ad69471c | pbrook | x = (x & 0x0f0f0f0f) + ((x >> 4) & 0x0f0f0f0f); |
| 819 | ad69471c | pbrook | return x;
|
| 820 | ad69471c | pbrook | } |
| 821 | ad69471c | pbrook | |
| 822 | ad69471c | pbrook | #define NEON_QDMULH16(dest, src1, src2, round) do { \ |
| 823 | ad69471c | pbrook | uint32_t tmp = (int32_t)(int16_t) src1 * (int16_t) src2; \ |
| 824 | ad69471c | pbrook | if ((tmp ^ (tmp << 1)) & SIGNBIT) { \ |
| 825 | ad69471c | pbrook | SET_QC(); \ |
| 826 | ad69471c | pbrook | tmp = (tmp >> 31) ^ ~SIGNBIT; \
|
| 827 | ad69471c | pbrook | } \ |
| 828 | ad69471c | pbrook | tmp <<= 1; \
|
| 829 | ad69471c | pbrook | if (round) { \
|
| 830 | ad69471c | pbrook | int32_t old = tmp; \ |
| 831 | ad69471c | pbrook | tmp += 1 << 15; \ |
| 832 | ad69471c | pbrook | if ((int32_t)tmp < old) { \
|
| 833 | ad69471c | pbrook | SET_QC(); \ |
| 834 | ad69471c | pbrook | tmp = SIGNBIT - 1; \
|
| 835 | ad69471c | pbrook | } \ |
| 836 | ad69471c | pbrook | } \ |
| 837 | ad69471c | pbrook | dest = tmp >> 16; \
|
| 838 | ad69471c | pbrook | } while(0) |
| 839 | ad69471c | pbrook | #define NEON_FN(dest, src1, src2) NEON_QDMULH16(dest, src1, src2, 0) |
| 840 | ad69471c | pbrook | NEON_VOP_ENV(qdmulh_s16, neon_s16, 2)
|
| 841 | ad69471c | pbrook | #undef NEON_FN
|
| 842 | ad69471c | pbrook | #define NEON_FN(dest, src1, src2) NEON_QDMULH16(dest, src1, src2, 1) |
| 843 | ad69471c | pbrook | NEON_VOP_ENV(qrdmulh_s16, neon_s16, 2)
|
| 844 | ad69471c | pbrook | #undef NEON_FN
|
| 845 | ad69471c | pbrook | #undef NEON_QDMULH16
|
| 846 | ad69471c | pbrook | |
| 847 | ad69471c | pbrook | #define NEON_QDMULH32(dest, src1, src2, round) do { \ |
| 848 | ad69471c | pbrook | uint64_t tmp = (int64_t)(int32_t) src1 * (int32_t) src2; \ |
| 849 | ad69471c | pbrook | if ((tmp ^ (tmp << 1)) & SIGNBIT64) { \ |
| 850 | ad69471c | pbrook | SET_QC(); \ |
| 851 | ad69471c | pbrook | tmp = (tmp >> 63) ^ ~SIGNBIT64; \
|
| 852 | ad69471c | pbrook | } else { \
|
| 853 | ad69471c | pbrook | tmp <<= 1; \
|
| 854 | ad69471c | pbrook | } \ |
| 855 | ad69471c | pbrook | if (round) { \
|
| 856 | ad69471c | pbrook | int64_t old = tmp; \ |
| 857 | ad69471c | pbrook | tmp += (int64_t)1 << 31; \ |
| 858 | ad69471c | pbrook | if ((int64_t)tmp < old) { \
|
| 859 | ad69471c | pbrook | SET_QC(); \ |
| 860 | ad69471c | pbrook | tmp = SIGNBIT64 - 1; \
|
| 861 | ad69471c | pbrook | } \ |
| 862 | ad69471c | pbrook | } \ |
| 863 | ad69471c | pbrook | dest = tmp >> 32; \
|
| 864 | ad69471c | pbrook | } while(0) |
| 865 | ad69471c | pbrook | #define NEON_FN(dest, src1, src2) NEON_QDMULH32(dest, src1, src2, 0) |
| 866 | ad69471c | pbrook | NEON_VOP_ENV(qdmulh_s32, neon_s32, 1)
|
| 867 | ad69471c | pbrook | #undef NEON_FN
|
| 868 | ad69471c | pbrook | #define NEON_FN(dest, src1, src2) NEON_QDMULH32(dest, src1, src2, 1) |
| 869 | ad69471c | pbrook | NEON_VOP_ENV(qrdmulh_s32, neon_s32, 1)
|
| 870 | ad69471c | pbrook | #undef NEON_FN
|
| 871 | ad69471c | pbrook | #undef NEON_QDMULH32
|
| 872 | ad69471c | pbrook | |
| 873 | ad69471c | pbrook | uint32_t HELPER(neon_narrow_u8)(uint64_t x) |
| 874 | ad69471c | pbrook | {
|
| 875 | ad69471c | pbrook | return (x & 0xffu) | ((x >> 8) & 0xff00u) | ((x >> 16) & 0xff0000u) |
| 876 | ad69471c | pbrook | | ((x >> 24) & 0xff000000u); |
| 877 | ad69471c | pbrook | } |
| 878 | ad69471c | pbrook | |
| 879 | ad69471c | pbrook | uint32_t HELPER(neon_narrow_u16)(uint64_t x) |
| 880 | ad69471c | pbrook | {
|
| 881 | ad69471c | pbrook | return (x & 0xffffu) | ((x >> 16) & 0xffff0000u); |
| 882 | ad69471c | pbrook | } |
| 883 | ad69471c | pbrook | |
| 884 | ad69471c | pbrook | uint32_t HELPER(neon_narrow_high_u8)(uint64_t x) |
| 885 | ad69471c | pbrook | {
|
| 886 | ad69471c | pbrook | return ((x >> 8) & 0xff) | ((x >> 16) & 0xff00) |
| 887 | ad69471c | pbrook | | ((x >> 24) & 0xff0000) | ((x >> 32) & 0xff000000); |
| 888 | ad69471c | pbrook | } |
| 889 | ad69471c | pbrook | |
| 890 | ad69471c | pbrook | uint32_t HELPER(neon_narrow_high_u16)(uint64_t x) |
| 891 | ad69471c | pbrook | {
|
| 892 | ad69471c | pbrook | return ((x >> 16) & 0xffff) | ((x >> 32) & 0xffff0000); |
| 893 | ad69471c | pbrook | } |
| 894 | ad69471c | pbrook | |
| 895 | ad69471c | pbrook | uint32_t HELPER(neon_narrow_round_high_u8)(uint64_t x) |
| 896 | ad69471c | pbrook | {
|
| 897 | ad69471c | pbrook | x &= 0xff80ff80ff80ff80ull;
|
| 898 | ad69471c | pbrook | x += 0x0080008000800080ull;
|
| 899 | ad69471c | pbrook | return ((x >> 8) & 0xff) | ((x >> 16) & 0xff00) |
| 900 | ad69471c | pbrook | | ((x >> 24) & 0xff0000) | ((x >> 32) & 0xff000000); |
| 901 | ad69471c | pbrook | } |
| 902 | ad69471c | pbrook | |
| 903 | ad69471c | pbrook | uint32_t HELPER(neon_narrow_round_high_u16)(uint64_t x) |
| 904 | ad69471c | pbrook | {
|
| 905 | ad69471c | pbrook | x &= 0xffff8000ffff8000ull;
|
| 906 | ad69471c | pbrook | x += 0x0000800000008000ull;
|
| 907 | ad69471c | pbrook | return ((x >> 16) & 0xffff) | ((x >> 32) & 0xffff0000); |
| 908 | ad69471c | pbrook | } |
| 909 | ad69471c | pbrook | |
| 910 | ad69471c | pbrook | uint32_t HELPER(neon_narrow_sat_u8)(CPUState *env, uint64_t x) |
| 911 | ad69471c | pbrook | {
|
| 912 | ad69471c | pbrook | uint16_t s; |
| 913 | ad69471c | pbrook | uint8_t d; |
| 914 | ad69471c | pbrook | uint32_t res = 0;
|
| 915 | ad69471c | pbrook | #define SAT8(n) \
|
| 916 | ad69471c | pbrook | s = x >> n; \ |
| 917 | ad69471c | pbrook | if (s > 0xff) { \ |
| 918 | ad69471c | pbrook | d = 0xff; \
|
| 919 | ad69471c | pbrook | SET_QC(); \ |
| 920 | ad69471c | pbrook | } else { \
|
| 921 | ad69471c | pbrook | d = s; \ |
| 922 | ad69471c | pbrook | } \ |
| 923 | ad69471c | pbrook | res |= (uint32_t)d << (n / 2);
|
| 924 | ad69471c | pbrook | |
| 925 | ad69471c | pbrook | SAT8(0);
|
| 926 | ad69471c | pbrook | SAT8(16);
|
| 927 | ad69471c | pbrook | SAT8(32);
|
| 928 | ad69471c | pbrook | SAT8(48);
|
| 929 | ad69471c | pbrook | #undef SAT8
|
| 930 | ad69471c | pbrook | return res;
|
| 931 | ad69471c | pbrook | } |
| 932 | ad69471c | pbrook | |
| 933 | ad69471c | pbrook | uint32_t HELPER(neon_narrow_sat_s8)(CPUState *env, uint64_t x) |
| 934 | ad69471c | pbrook | {
|
| 935 | ad69471c | pbrook | int16_t s; |
| 936 | ad69471c | pbrook | uint8_t d; |
| 937 | ad69471c | pbrook | uint32_t res = 0;
|
| 938 | ad69471c | pbrook | #define SAT8(n) \
|
| 939 | ad69471c | pbrook | s = x >> n; \ |
| 940 | ad69471c | pbrook | if (s != (int8_t)s) { \
|
| 941 | ad69471c | pbrook | d = (s >> 15) ^ 0x7f; \ |
| 942 | ad69471c | pbrook | SET_QC(); \ |
| 943 | ad69471c | pbrook | } else { \
|
| 944 | ad69471c | pbrook | d = s; \ |
| 945 | ad69471c | pbrook | } \ |
| 946 | ad69471c | pbrook | res |= (uint32_t)d << (n / 2);
|
| 947 | ad69471c | pbrook | |
| 948 | ad69471c | pbrook | SAT8(0);
|
| 949 | ad69471c | pbrook | SAT8(16);
|
| 950 | ad69471c | pbrook | SAT8(32);
|
| 951 | ad69471c | pbrook | SAT8(48);
|
| 952 | ad69471c | pbrook | #undef SAT8
|
| 953 | ad69471c | pbrook | return res;
|
| 954 | ad69471c | pbrook | } |
| 955 | ad69471c | pbrook | |
| 956 | ad69471c | pbrook | uint32_t HELPER(neon_narrow_sat_u16)(CPUState *env, uint64_t x) |
| 957 | ad69471c | pbrook | {
|
| 958 | ad69471c | pbrook | uint32_t high; |
| 959 | ad69471c | pbrook | uint32_t low; |
| 960 | ad69471c | pbrook | low = x; |
| 961 | ad69471c | pbrook | if (low > 0xffff) { |
| 962 | ad69471c | pbrook | low = 0xffff;
|
| 963 | ad69471c | pbrook | SET_QC(); |
| 964 | ad69471c | pbrook | } |
| 965 | ad69471c | pbrook | high = x >> 32;
|
| 966 | ad69471c | pbrook | if (high > 0xffff) { |
| 967 | ad69471c | pbrook | high = 0xffff;
|
| 968 | ad69471c | pbrook | SET_QC(); |
| 969 | ad69471c | pbrook | } |
| 970 | ad69471c | pbrook | return low | (high << 16); |
| 971 | ad69471c | pbrook | } |
| 972 | ad69471c | pbrook | |
| 973 | ad69471c | pbrook | uint32_t HELPER(neon_narrow_sat_s16)(CPUState *env, uint64_t x) |
| 974 | ad69471c | pbrook | {
|
| 975 | ad69471c | pbrook | int32_t low; |
| 976 | ad69471c | pbrook | int32_t high; |
| 977 | ad69471c | pbrook | low = x; |
| 978 | ad69471c | pbrook | if (low != (int16_t)low) {
|
| 979 | ad69471c | pbrook | low = (low >> 31) ^ 0x7fff; |
| 980 | ad69471c | pbrook | SET_QC(); |
| 981 | ad69471c | pbrook | } |
| 982 | ad69471c | pbrook | high = x >> 32;
|
| 983 | ad69471c | pbrook | if (high != (int16_t)high) {
|
| 984 | ad69471c | pbrook | high = (high >> 31) ^ 0x7fff; |
| 985 | ad69471c | pbrook | SET_QC(); |
| 986 | ad69471c | pbrook | } |
| 987 | ad69471c | pbrook | return (uint16_t)low | (high << 16); |
| 988 | ad69471c | pbrook | } |
| 989 | ad69471c | pbrook | |
| 990 | ad69471c | pbrook | uint32_t HELPER(neon_narrow_sat_u32)(CPUState *env, uint64_t x) |
| 991 | ad69471c | pbrook | {
|
| 992 | ad69471c | pbrook | if (x > 0xffffffffu) { |
| 993 | ad69471c | pbrook | SET_QC(); |
| 994 | ad69471c | pbrook | return 0xffffffffu; |
| 995 | ad69471c | pbrook | } |
| 996 | ad69471c | pbrook | return x;
|
| 997 | ad69471c | pbrook | } |
| 998 | ad69471c | pbrook | |
| 999 | ad69471c | pbrook | uint32_t HELPER(neon_narrow_sat_s32)(CPUState *env, uint64_t x) |
| 1000 | ad69471c | pbrook | {
|
| 1001 | ad69471c | pbrook | if ((int64_t)x != (int32_t)x) {
|
| 1002 | ad69471c | pbrook | SET_QC(); |
| 1003 | ad69471c | pbrook | return (x >> 63) ^ 0x7fffffff; |
| 1004 | ad69471c | pbrook | } |
| 1005 | ad69471c | pbrook | return x;
|
| 1006 | ad69471c | pbrook | } |
| 1007 | ad69471c | pbrook | |
| 1008 | ad69471c | pbrook | uint64_t HELPER(neon_widen_u8)(uint32_t x) |
| 1009 | ad69471c | pbrook | {
|
| 1010 | ad69471c | pbrook | uint64_t tmp; |
| 1011 | ad69471c | pbrook | uint64_t ret; |
| 1012 | ad69471c | pbrook | ret = (uint8_t)x; |
| 1013 | ad69471c | pbrook | tmp = (uint8_t)(x >> 8);
|
| 1014 | ad69471c | pbrook | ret |= tmp << 16;
|
| 1015 | ad69471c | pbrook | tmp = (uint8_t)(x >> 16);
|
| 1016 | ad69471c | pbrook | ret |= tmp << 32;
|
| 1017 | ad69471c | pbrook | tmp = (uint8_t)(x >> 24);
|
| 1018 | ad69471c | pbrook | ret |= tmp << 48;
|
| 1019 | ad69471c | pbrook | return ret;
|
| 1020 | ad69471c | pbrook | } |
| 1021 | ad69471c | pbrook | |
| 1022 | ad69471c | pbrook | uint64_t HELPER(neon_widen_s8)(uint32_t x) |
| 1023 | ad69471c | pbrook | {
|
| 1024 | ad69471c | pbrook | uint64_t tmp; |
| 1025 | ad69471c | pbrook | uint64_t ret; |
| 1026 | ad69471c | pbrook | ret = (uint16_t)(int8_t)x; |
| 1027 | ad69471c | pbrook | tmp = (uint16_t)(int8_t)(x >> 8);
|
| 1028 | ad69471c | pbrook | ret |= tmp << 16;
|
| 1029 | ad69471c | pbrook | tmp = (uint16_t)(int8_t)(x >> 16);
|
| 1030 | ad69471c | pbrook | ret |= tmp << 32;
|
| 1031 | ad69471c | pbrook | tmp = (uint16_t)(int8_t)(x >> 24);
|
| 1032 | ad69471c | pbrook | ret |= tmp << 48;
|
| 1033 | ad69471c | pbrook | return ret;
|
| 1034 | ad69471c | pbrook | } |
| 1035 | ad69471c | pbrook | |
| 1036 | ad69471c | pbrook | uint64_t HELPER(neon_widen_u16)(uint32_t x) |
| 1037 | ad69471c | pbrook | {
|
| 1038 | ad69471c | pbrook | uint64_t high = (uint16_t)(x >> 16);
|
| 1039 | ad69471c | pbrook | return ((uint16_t)x) | (high << 32); |
| 1040 | ad69471c | pbrook | } |
| 1041 | ad69471c | pbrook | |
| 1042 | ad69471c | pbrook | uint64_t HELPER(neon_widen_s16)(uint32_t x) |
| 1043 | ad69471c | pbrook | {
|
| 1044 | ad69471c | pbrook | uint64_t high = (int16_t)(x >> 16);
|
| 1045 | ad69471c | pbrook | return ((uint32_t)(int16_t)x) | (high << 32); |
| 1046 | ad69471c | pbrook | } |
| 1047 | ad69471c | pbrook | |
| 1048 | ad69471c | pbrook | uint64_t HELPER(neon_addl_u16)(uint64_t a, uint64_t b) |
| 1049 | ad69471c | pbrook | {
|
| 1050 | ad69471c | pbrook | uint64_t mask; |
| 1051 | ad69471c | pbrook | mask = (a ^ b) & 0x8000800080008000ull;
|
| 1052 | ad69471c | pbrook | a &= ~0x8000800080008000ull;
|
| 1053 | ad69471c | pbrook | b &= ~0x8000800080008000ull;
|
| 1054 | ad69471c | pbrook | return (a + b) ^ mask;
|
| 1055 | ad69471c | pbrook | } |
| 1056 | ad69471c | pbrook | |
| 1057 | ad69471c | pbrook | uint64_t HELPER(neon_addl_u32)(uint64_t a, uint64_t b) |
| 1058 | ad69471c | pbrook | {
|
| 1059 | ad69471c | pbrook | uint64_t mask; |
| 1060 | ad69471c | pbrook | mask = (a ^ b) & 0x8000000080000000ull;
|
| 1061 | ad69471c | pbrook | a &= ~0x8000000080000000ull;
|
| 1062 | ad69471c | pbrook | b &= ~0x8000000080000000ull;
|
| 1063 | ad69471c | pbrook | return (a + b) ^ mask;
|
| 1064 | ad69471c | pbrook | } |
| 1065 | ad69471c | pbrook | |
| 1066 | ad69471c | pbrook | uint64_t HELPER(neon_paddl_u16)(uint64_t a, uint64_t b) |
| 1067 | ad69471c | pbrook | {
|
| 1068 | ad69471c | pbrook | uint64_t tmp; |
| 1069 | ad69471c | pbrook | uint64_t tmp2; |
| 1070 | ad69471c | pbrook | |
| 1071 | ad69471c | pbrook | tmp = a & 0x0000ffff0000ffffull;
|
| 1072 | ad69471c | pbrook | tmp += (a >> 16) & 0x0000ffff0000ffffull; |
| 1073 | ad69471c | pbrook | tmp2 = b & 0xffff0000ffff0000ull;
|
| 1074 | ad69471c | pbrook | tmp2 += (b << 16) & 0xffff0000ffff0000ull; |
| 1075 | ad69471c | pbrook | return ( tmp & 0xffff) |
| 1076 | ad69471c | pbrook | | ((tmp >> 16) & 0xffff0000ull) |
| 1077 | ad69471c | pbrook | | ((tmp2 << 16) & 0xffff00000000ull) |
| 1078 | ad69471c | pbrook | | ( tmp2 & 0xffff000000000000ull);
|
| 1079 | ad69471c | pbrook | } |
| 1080 | ad69471c | pbrook | |
| 1081 | ad69471c | pbrook | uint64_t HELPER(neon_paddl_u32)(uint64_t a, uint64_t b) |
| 1082 | ad69471c | pbrook | {
|
| 1083 | ad69471c | pbrook | uint32_t low = a + (a >> 32);
|
| 1084 | ad69471c | pbrook | uint32_t high = b + (b >> 32);
|
| 1085 | ad69471c | pbrook | return low + ((uint64_t)high << 32); |
| 1086 | ad69471c | pbrook | } |
| 1087 | ad69471c | pbrook | |
| 1088 | ad69471c | pbrook | uint64_t HELPER(neon_subl_u16)(uint64_t a, uint64_t b) |
| 1089 | ad69471c | pbrook | {
|
| 1090 | ad69471c | pbrook | uint64_t mask; |
| 1091 | ad69471c | pbrook | mask = (a ^ ~b) & 0x8000800080008000ull;
|
| 1092 | ad69471c | pbrook | a |= 0x8000800080008000ull;
|
| 1093 | ad69471c | pbrook | b &= ~0x8000800080008000ull;
|
| 1094 | ad69471c | pbrook | return (a - b) ^ mask;
|
| 1095 | ad69471c | pbrook | } |
| 1096 | ad69471c | pbrook | |
| 1097 | ad69471c | pbrook | uint64_t HELPER(neon_subl_u32)(uint64_t a, uint64_t b) |
| 1098 | ad69471c | pbrook | {
|
| 1099 | ad69471c | pbrook | uint64_t mask; |
| 1100 | ad69471c | pbrook | mask = (a ^ ~b) & 0x8000000080000000ull;
|
| 1101 | ad69471c | pbrook | a |= 0x8000000080000000ull;
|
| 1102 | ad69471c | pbrook | b &= ~0x8000000080000000ull;
|
| 1103 | ad69471c | pbrook | return (a - b) ^ mask;
|
| 1104 | ad69471c | pbrook | } |
| 1105 | ad69471c | pbrook | |
| 1106 | ad69471c | pbrook | uint64_t HELPER(neon_addl_saturate_s32)(CPUState *env, uint64_t a, uint64_t b) |
| 1107 | ad69471c | pbrook | {
|
| 1108 | ad69471c | pbrook | uint32_t x, y; |
| 1109 | ad69471c | pbrook | uint32_t low, high; |
| 1110 | ad69471c | pbrook | |
| 1111 | ad69471c | pbrook | x = a; |
| 1112 | ad69471c | pbrook | y = b; |
| 1113 | ad69471c | pbrook | low = x + y; |
| 1114 | ad69471c | pbrook | if (((low ^ x) & SIGNBIT) && !((x ^ y) & SIGNBIT)) {
|
| 1115 | ad69471c | pbrook | SET_QC(); |
| 1116 | ad69471c | pbrook | low = ((int32_t)x >> 31) ^ ~SIGNBIT;
|
| 1117 | ad69471c | pbrook | } |
| 1118 | ad69471c | pbrook | x = a >> 32;
|
| 1119 | ad69471c | pbrook | y = b >> 32;
|
| 1120 | ad69471c | pbrook | high = x + y; |
| 1121 | ad69471c | pbrook | if (((high ^ x) & SIGNBIT) && !((x ^ y) & SIGNBIT)) {
|
| 1122 | ad69471c | pbrook | SET_QC(); |
| 1123 | ad69471c | pbrook | high = ((int32_t)x >> 31) ^ ~SIGNBIT;
|
| 1124 | ad69471c | pbrook | } |
| 1125 | ad69471c | pbrook | return low | ((uint64_t)high << 32); |
| 1126 | ad69471c | pbrook | } |
| 1127 | ad69471c | pbrook | |
| 1128 | ad69471c | pbrook | uint64_t HELPER(neon_addl_saturate_s64)(CPUState *env, uint64_t a, uint64_t b) |
| 1129 | ad69471c | pbrook | {
|
| 1130 | ad69471c | pbrook | uint64_t result; |
| 1131 | ad69471c | pbrook | |
| 1132 | ad69471c | pbrook | result = a + b; |
| 1133 | ad69471c | pbrook | if (((result ^ a) & SIGNBIT64) && !((a ^ b) & SIGNBIT64)) {
|
| 1134 | ad69471c | pbrook | SET_QC(); |
| 1135 | ad69471c | pbrook | result = ((int64_t)a >> 63) ^ ~SIGNBIT64;
|
| 1136 | ad69471c | pbrook | } |
| 1137 | ad69471c | pbrook | return result;
|
| 1138 | ad69471c | pbrook | } |
| 1139 | ad69471c | pbrook | |
| 1140 | ad69471c | pbrook | #define DO_ABD(dest, x, y, type) do { \ |
| 1141 | ad69471c | pbrook | type tmp_x = x; \ |
| 1142 | ad69471c | pbrook | type tmp_y = y; \ |
| 1143 | ad69471c | pbrook | dest = ((tmp_x > tmp_y) ? tmp_x - tmp_y : tmp_y - tmp_x); \ |
| 1144 | ad69471c | pbrook | } while(0) |
| 1145 | ad69471c | pbrook | |
| 1146 | ad69471c | pbrook | uint64_t HELPER(neon_abdl_u16)(uint32_t a, uint32_t b) |
| 1147 | ad69471c | pbrook | {
|
| 1148 | ad69471c | pbrook | uint64_t tmp; |
| 1149 | ad69471c | pbrook | uint64_t result; |
| 1150 | ad69471c | pbrook | DO_ABD(result, a, b, uint8_t); |
| 1151 | ad69471c | pbrook | DO_ABD(tmp, a >> 8, b >> 8, uint8_t); |
| 1152 | ad69471c | pbrook | result |= tmp << 16;
|
| 1153 | ad69471c | pbrook | DO_ABD(tmp, a >> 16, b >> 16, uint8_t); |
| 1154 | ad69471c | pbrook | result |= tmp << 32;
|
| 1155 | ad69471c | pbrook | DO_ABD(tmp, a >> 24, b >> 24, uint8_t); |
| 1156 | ad69471c | pbrook | result |= tmp << 48;
|
| 1157 | ad69471c | pbrook | return result;
|
| 1158 | ad69471c | pbrook | } |
| 1159 | ad69471c | pbrook | |
| 1160 | ad69471c | pbrook | uint64_t HELPER(neon_abdl_s16)(uint32_t a, uint32_t b) |
| 1161 | ad69471c | pbrook | {
|
| 1162 | ad69471c | pbrook | uint64_t tmp; |
| 1163 | ad69471c | pbrook | uint64_t result; |
| 1164 | ad69471c | pbrook | DO_ABD(result, a, b, int8_t); |
| 1165 | ad69471c | pbrook | DO_ABD(tmp, a >> 8, b >> 8, int8_t); |
| 1166 | ad69471c | pbrook | result |= tmp << 16;
|
| 1167 | ad69471c | pbrook | DO_ABD(tmp, a >> 16, b >> 16, int8_t); |
| 1168 | ad69471c | pbrook | result |= tmp << 32;
|
| 1169 | ad69471c | pbrook | DO_ABD(tmp, a >> 24, b >> 24, int8_t); |
| 1170 | ad69471c | pbrook | result |= tmp << 48;
|
| 1171 | ad69471c | pbrook | return result;
|
| 1172 | ad69471c | pbrook | } |
| 1173 | ad69471c | pbrook | |
| 1174 | ad69471c | pbrook | uint64_t HELPER(neon_abdl_u32)(uint32_t a, uint32_t b) |
| 1175 | ad69471c | pbrook | {
|
| 1176 | ad69471c | pbrook | uint64_t tmp; |
| 1177 | ad69471c | pbrook | uint64_t result; |
| 1178 | ad69471c | pbrook | DO_ABD(result, a, b, uint16_t); |
| 1179 | ad69471c | pbrook | DO_ABD(tmp, a >> 16, b >> 16, uint16_t); |
| 1180 | ad69471c | pbrook | return result | (tmp << 32); |
| 1181 | ad69471c | pbrook | } |
| 1182 | ad69471c | pbrook | |
| 1183 | ad69471c | pbrook | uint64_t HELPER(neon_abdl_s32)(uint32_t a, uint32_t b) |
| 1184 | ad69471c | pbrook | {
|
| 1185 | ad69471c | pbrook | uint64_t tmp; |
| 1186 | ad69471c | pbrook | uint64_t result; |
| 1187 | ad69471c | pbrook | DO_ABD(result, a, b, int16_t); |
| 1188 | ad69471c | pbrook | DO_ABD(tmp, a >> 16, b >> 16, int16_t); |
| 1189 | ad69471c | pbrook | return result | (tmp << 32); |
| 1190 | ad69471c | pbrook | } |
| 1191 | ad69471c | pbrook | |
| 1192 | ad69471c | pbrook | uint64_t HELPER(neon_abdl_u64)(uint32_t a, uint32_t b) |
| 1193 | ad69471c | pbrook | {
|
| 1194 | ad69471c | pbrook | uint64_t result; |
| 1195 | ad69471c | pbrook | DO_ABD(result, a, b, uint32_t); |
| 1196 | ad69471c | pbrook | return result;
|
| 1197 | ad69471c | pbrook | } |
| 1198 | ad69471c | pbrook | |
| 1199 | ad69471c | pbrook | uint64_t HELPER(neon_abdl_s64)(uint32_t a, uint32_t b) |
| 1200 | ad69471c | pbrook | {
|
| 1201 | ad69471c | pbrook | uint64_t result; |
| 1202 | ad69471c | pbrook | DO_ABD(result, a, b, int32_t); |
| 1203 | ad69471c | pbrook | return result;
|
| 1204 | ad69471c | pbrook | } |
| 1205 | ad69471c | pbrook | #undef DO_ABD
|
| 1206 | ad69471c | pbrook | |
| 1207 | ad69471c | pbrook | /* Widening multiply. Named type is the source type. */
|
| 1208 | ad69471c | pbrook | #define DO_MULL(dest, x, y, type1, type2) do { \ |
| 1209 | ad69471c | pbrook | type1 tmp_x = x; \ |
| 1210 | ad69471c | pbrook | type1 tmp_y = y; \ |
| 1211 | ad69471c | pbrook | dest = (type2)((type2)tmp_x * (type2)tmp_y); \ |
| 1212 | ad69471c | pbrook | } while(0) |
| 1213 | ad69471c | pbrook | |
| 1214 | ad69471c | pbrook | uint64_t HELPER(neon_mull_u8)(uint32_t a, uint32_t b) |
| 1215 | ad69471c | pbrook | {
|
| 1216 | ad69471c | pbrook | uint64_t tmp; |
| 1217 | ad69471c | pbrook | uint64_t result; |
| 1218 | ad69471c | pbrook | |
| 1219 | ad69471c | pbrook | DO_MULL(result, a, b, uint8_t, uint16_t); |
| 1220 | ad69471c | pbrook | DO_MULL(tmp, a >> 8, b >> 8, uint8_t, uint16_t); |
| 1221 | ad69471c | pbrook | result |= tmp << 16;
|
| 1222 | ad69471c | pbrook | DO_MULL(tmp, a >> 16, b >> 16, uint8_t, uint16_t); |
| 1223 | ad69471c | pbrook | result |= tmp << 32;
|
| 1224 | ad69471c | pbrook | DO_MULL(tmp, a >> 24, b >> 24, uint8_t, uint16_t); |
| 1225 | ad69471c | pbrook | result |= tmp << 48;
|
| 1226 | ad69471c | pbrook | return result;
|
| 1227 | ad69471c | pbrook | } |
| 1228 | ad69471c | pbrook | |
| 1229 | ad69471c | pbrook | uint64_t HELPER(neon_mull_s8)(uint32_t a, uint32_t b) |
| 1230 | ad69471c | pbrook | {
|
| 1231 | ad69471c | pbrook | uint64_t tmp; |
| 1232 | ad69471c | pbrook | uint64_t result; |
| 1233 | ad69471c | pbrook | |
| 1234 | ad69471c | pbrook | DO_MULL(result, a, b, int8_t, uint16_t); |
| 1235 | ad69471c | pbrook | DO_MULL(tmp, a >> 8, b >> 8, int8_t, uint16_t); |
| 1236 | ad69471c | pbrook | result |= tmp << 16;
|
| 1237 | ad69471c | pbrook | DO_MULL(tmp, a >> 16, b >> 16, int8_t, uint16_t); |
| 1238 | ad69471c | pbrook | result |= tmp << 32;
|
| 1239 | ad69471c | pbrook | DO_MULL(tmp, a >> 24, b >> 24, int8_t, uint16_t); |
| 1240 | ad69471c | pbrook | result |= tmp << 48;
|
| 1241 | ad69471c | pbrook | return result;
|
| 1242 | ad69471c | pbrook | } |
| 1243 | ad69471c | pbrook | |
| 1244 | ad69471c | pbrook | uint64_t HELPER(neon_mull_u16)(uint32_t a, uint32_t b) |
| 1245 | ad69471c | pbrook | {
|
| 1246 | ad69471c | pbrook | uint64_t tmp; |
| 1247 | ad69471c | pbrook | uint64_t result; |
| 1248 | ad69471c | pbrook | |
| 1249 | ad69471c | pbrook | DO_MULL(result, a, b, uint16_t, uint32_t); |
| 1250 | ad69471c | pbrook | DO_MULL(tmp, a >> 16, b >> 16, uint16_t, uint32_t); |
| 1251 | ad69471c | pbrook | return result | (tmp << 32); |
| 1252 | ad69471c | pbrook | } |
| 1253 | ad69471c | pbrook | |
| 1254 | ad69471c | pbrook | uint64_t HELPER(neon_mull_s16)(uint32_t a, uint32_t b) |
| 1255 | ad69471c | pbrook | {
|
| 1256 | ad69471c | pbrook | uint64_t tmp; |
| 1257 | ad69471c | pbrook | uint64_t result; |
| 1258 | ad69471c | pbrook | |
| 1259 | ad69471c | pbrook | DO_MULL(result, a, b, int16_t, uint32_t); |
| 1260 | ad69471c | pbrook | DO_MULL(tmp, a >> 16, b >> 16, int16_t, uint32_t); |
| 1261 | ad69471c | pbrook | return result | (tmp << 32); |
| 1262 | ad69471c | pbrook | } |
| 1263 | ad69471c | pbrook | |
| 1264 | ad69471c | pbrook | uint64_t HELPER(neon_negl_u16)(uint64_t x) |
| 1265 | ad69471c | pbrook | {
|
| 1266 | ad69471c | pbrook | uint16_t tmp; |
| 1267 | ad69471c | pbrook | uint64_t result; |
| 1268 | ad69471c | pbrook | result = (uint16_t)-x; |
| 1269 | ad69471c | pbrook | tmp = -(x >> 16);
|
| 1270 | ad69471c | pbrook | result |= (uint64_t)tmp << 16;
|
| 1271 | ad69471c | pbrook | tmp = -(x >> 32);
|
| 1272 | ad69471c | pbrook | result |= (uint64_t)tmp << 32;
|
| 1273 | ad69471c | pbrook | tmp = -(x >> 48);
|
| 1274 | ad69471c | pbrook | result |= (uint64_t)tmp << 48;
|
| 1275 | ad69471c | pbrook | return result;
|
| 1276 | ad69471c | pbrook | } |
| 1277 | ad69471c | pbrook | |
| 1278 | ad69471c | pbrook | #include <stdio.h> |
| 1279 | ad69471c | pbrook | uint64_t HELPER(neon_negl_u32)(uint64_t x) |
| 1280 | ad69471c | pbrook | {
|
| 1281 | ad69471c | pbrook | uint32_t low = -x; |
| 1282 | ad69471c | pbrook | uint32_t high = -(x >> 32);
|
| 1283 | ad69471c | pbrook | return low | ((uint64_t)high << 32); |
| 1284 | ad69471c | pbrook | } |
| 1285 | ad69471c | pbrook | |
| 1286 | ad69471c | pbrook | /* FIXME: There should be a native op for this. */
|
| 1287 | ad69471c | pbrook | uint64_t HELPER(neon_negl_u64)(uint64_t x) |
| 1288 | ad69471c | pbrook | {
|
| 1289 | ad69471c | pbrook | return -x;
|
| 1290 | ad69471c | pbrook | } |
| 1291 | ad69471c | pbrook | |
| 1292 | ad69471c | pbrook | /* Saturnating sign manuipulation. */
|
| 1293 | ad69471c | pbrook | /* ??? Make these use NEON_VOP1 */
|
| 1294 | ad69471c | pbrook | #define DO_QABS8(x) do { \ |
| 1295 | ad69471c | pbrook | if (x == (int8_t)0x80) { \ |
| 1296 | ad69471c | pbrook | x = 0x7f; \
|
| 1297 | ad69471c | pbrook | SET_QC(); \ |
| 1298 | ad69471c | pbrook | } else if (x < 0) { \ |
| 1299 | ad69471c | pbrook | x = -x; \ |
| 1300 | ad69471c | pbrook | }} while (0) |
| 1301 | ad69471c | pbrook | uint32_t HELPER(neon_qabs_s8)(CPUState *env, uint32_t x) |
| 1302 | ad69471c | pbrook | {
|
| 1303 | ad69471c | pbrook | neon_s8 vec; |
| 1304 | ad69471c | pbrook | NEON_UNPACK(neon_s8, vec, x); |
| 1305 | ad69471c | pbrook | DO_QABS8(vec.v1); |
| 1306 | ad69471c | pbrook | DO_QABS8(vec.v2); |
| 1307 | ad69471c | pbrook | DO_QABS8(vec.v3); |
| 1308 | ad69471c | pbrook | DO_QABS8(vec.v4); |
| 1309 | ad69471c | pbrook | NEON_PACK(neon_s8, x, vec); |
| 1310 | ad69471c | pbrook | return x;
|
| 1311 | ad69471c | pbrook | } |
| 1312 | ad69471c | pbrook | #undef DO_QABS8
|
| 1313 | ad69471c | pbrook | |
| 1314 | ad69471c | pbrook | #define DO_QNEG8(x) do { \ |
| 1315 | ad69471c | pbrook | if (x == (int8_t)0x80) { \ |
| 1316 | ad69471c | pbrook | x = 0x7f; \
|
| 1317 | ad69471c | pbrook | SET_QC(); \ |
| 1318 | ad69471c | pbrook | } else { \
|
| 1319 | ad69471c | pbrook | x = -x; \ |
| 1320 | ad69471c | pbrook | }} while (0) |
| 1321 | ad69471c | pbrook | uint32_t HELPER(neon_qneg_s8)(CPUState *env, uint32_t x) |
| 1322 | ad69471c | pbrook | {
|
| 1323 | ad69471c | pbrook | neon_s8 vec; |
| 1324 | ad69471c | pbrook | NEON_UNPACK(neon_s8, vec, x); |
| 1325 | ad69471c | pbrook | DO_QNEG8(vec.v1); |
| 1326 | ad69471c | pbrook | DO_QNEG8(vec.v2); |
| 1327 | ad69471c | pbrook | DO_QNEG8(vec.v3); |
| 1328 | ad69471c | pbrook | DO_QNEG8(vec.v4); |
| 1329 | ad69471c | pbrook | NEON_PACK(neon_s8, x, vec); |
| 1330 | ad69471c | pbrook | return x;
|
| 1331 | ad69471c | pbrook | } |
| 1332 | ad69471c | pbrook | #undef DO_QNEG8
|
| 1333 | ad69471c | pbrook | |
| 1334 | ad69471c | pbrook | #define DO_QABS16(x) do { \ |
| 1335 | ad69471c | pbrook | if (x == (int16_t)0x8000) { \ |
| 1336 | ad69471c | pbrook | x = 0x7fff; \
|
| 1337 | ad69471c | pbrook | SET_QC(); \ |
| 1338 | ad69471c | pbrook | } else if (x < 0) { \ |
| 1339 | ad69471c | pbrook | x = -x; \ |
| 1340 | ad69471c | pbrook | }} while (0) |
| 1341 | ad69471c | pbrook | uint32_t HELPER(neon_qabs_s16)(CPUState *env, uint32_t x) |
| 1342 | ad69471c | pbrook | {
|
| 1343 | ad69471c | pbrook | neon_s16 vec; |
| 1344 | ad69471c | pbrook | NEON_UNPACK(neon_s16, vec, x); |
| 1345 | ad69471c | pbrook | DO_QABS16(vec.v1); |
| 1346 | ad69471c | pbrook | DO_QABS16(vec.v2); |
| 1347 | ad69471c | pbrook | NEON_PACK(neon_s16, x, vec); |
| 1348 | ad69471c | pbrook | return x;
|
| 1349 | ad69471c | pbrook | } |
| 1350 | ad69471c | pbrook | #undef DO_QABS16
|
| 1351 | ad69471c | pbrook | |
| 1352 | ad69471c | pbrook | #define DO_QNEG16(x) do { \ |
| 1353 | ad69471c | pbrook | if (x == (int16_t)0x8000) { \ |
| 1354 | ad69471c | pbrook | x = 0x7fff; \
|
| 1355 | ad69471c | pbrook | SET_QC(); \ |
| 1356 | ad69471c | pbrook | } else { \
|
| 1357 | ad69471c | pbrook | x = -x; \ |
| 1358 | ad69471c | pbrook | }} while (0) |
| 1359 | ad69471c | pbrook | uint32_t HELPER(neon_qneg_s16)(CPUState *env, uint32_t x) |
| 1360 | ad69471c | pbrook | {
|
| 1361 | ad69471c | pbrook | neon_s16 vec; |
| 1362 | ad69471c | pbrook | NEON_UNPACK(neon_s16, vec, x); |
| 1363 | ad69471c | pbrook | DO_QNEG16(vec.v1); |
| 1364 | ad69471c | pbrook | DO_QNEG16(vec.v2); |
| 1365 | ad69471c | pbrook | NEON_PACK(neon_s16, x, vec); |
| 1366 | ad69471c | pbrook | return x;
|
| 1367 | ad69471c | pbrook | } |
| 1368 | ad69471c | pbrook | #undef DO_QNEG16
|
| 1369 | ad69471c | pbrook | |
| 1370 | ad69471c | pbrook | uint32_t HELPER(neon_qabs_s32)(CPUState *env, uint32_t x) |
| 1371 | ad69471c | pbrook | {
|
| 1372 | ad69471c | pbrook | if (x == SIGNBIT) {
|
| 1373 | ad69471c | pbrook | SET_QC(); |
| 1374 | ad69471c | pbrook | x = ~SIGNBIT; |
| 1375 | ad69471c | pbrook | } else if ((int32_t)x < 0) { |
| 1376 | ad69471c | pbrook | x = -x; |
| 1377 | ad69471c | pbrook | } |
| 1378 | ad69471c | pbrook | return x;
|
| 1379 | ad69471c | pbrook | } |
| 1380 | ad69471c | pbrook | |
| 1381 | ad69471c | pbrook | uint32_t HELPER(neon_qneg_s32)(CPUState *env, uint32_t x) |
| 1382 | ad69471c | pbrook | {
|
| 1383 | ad69471c | pbrook | if (x == SIGNBIT) {
|
| 1384 | ad69471c | pbrook | SET_QC(); |
| 1385 | ad69471c | pbrook | x = ~SIGNBIT; |
| 1386 | ad69471c | pbrook | } else {
|
| 1387 | ad69471c | pbrook | x = -x; |
| 1388 | ad69471c | pbrook | } |
| 1389 | ad69471c | pbrook | return x;
|
| 1390 | ad69471c | pbrook | } |
| 1391 | ad69471c | pbrook | |
| 1392 | ad69471c | pbrook | /* NEON Float helpers. */
|
| 1393 | ad69471c | pbrook | uint32_t HELPER(neon_min_f32)(uint32_t a, uint32_t b) |
| 1394 | ad69471c | pbrook | {
|
| 1395 | ad69471c | pbrook | float32 f0 = vfp_itos(a); |
| 1396 | ad69471c | pbrook | float32 f1 = vfp_itos(b); |
| 1397 | ad69471c | pbrook | return (float32_compare_quiet(f0, f1, NFS) == -1) ? a : b; |
| 1398 | ad69471c | pbrook | } |
| 1399 | ad69471c | pbrook | |
| 1400 | ad69471c | pbrook | uint32_t HELPER(neon_max_f32)(uint32_t a, uint32_t b) |
| 1401 | ad69471c | pbrook | {
|
| 1402 | ad69471c | pbrook | float32 f0 = vfp_itos(a); |
| 1403 | ad69471c | pbrook | float32 f1 = vfp_itos(b); |
| 1404 | ad69471c | pbrook | return (float32_compare_quiet(f0, f1, NFS) == 1) ? a : b; |
| 1405 | ad69471c | pbrook | } |
| 1406 | ad69471c | pbrook | |
| 1407 | ad69471c | pbrook | uint32_t HELPER(neon_abd_f32)(uint32_t a, uint32_t b) |
| 1408 | ad69471c | pbrook | {
|
| 1409 | ad69471c | pbrook | float32 f0 = vfp_itos(a); |
| 1410 | ad69471c | pbrook | float32 f1 = vfp_itos(b); |
| 1411 | ad69471c | pbrook | return vfp_stoi((float32_compare_quiet(f0, f1, NFS) == 1) |
| 1412 | ad69471c | pbrook | ? float32_sub(f0, f1, NFS) |
| 1413 | ad69471c | pbrook | : float32_sub(f1, f0, NFS)); |
| 1414 | ad69471c | pbrook | } |
| 1415 | ad69471c | pbrook | |
| 1416 | ad69471c | pbrook | uint32_t HELPER(neon_add_f32)(uint32_t a, uint32_t b) |
| 1417 | ad69471c | pbrook | {
|
| 1418 | ad69471c | pbrook | return vfp_stoi(float32_add(vfp_itos(a), vfp_itos(b), NFS));
|
| 1419 | ad69471c | pbrook | } |
| 1420 | ad69471c | pbrook | |
| 1421 | ad69471c | pbrook | uint32_t HELPER(neon_sub_f32)(uint32_t a, uint32_t b) |
| 1422 | ad69471c | pbrook | {
|
| 1423 | ad69471c | pbrook | return vfp_stoi(float32_sub(vfp_itos(a), vfp_itos(b), NFS));
|
| 1424 | ad69471c | pbrook | } |
| 1425 | ad69471c | pbrook | |
| 1426 | ad69471c | pbrook | uint32_t HELPER(neon_mul_f32)(uint32_t a, uint32_t b) |
| 1427 | ad69471c | pbrook | {
|
| 1428 | ad69471c | pbrook | return vfp_stoi(float32_mul(vfp_itos(a), vfp_itos(b), NFS));
|
| 1429 | ad69471c | pbrook | } |
| 1430 | ad69471c | pbrook | |
| 1431 | ad69471c | pbrook | /* Floating point comparisons produce an integer result. */
|
| 1432 | ad69471c | pbrook | #define NEON_VOP_FCMP(name, cmp) \
|
| 1433 | ad69471c | pbrook | uint32_t HELPER(neon_##name)(uint32_t a, uint32_t b) \ |
| 1434 | ad69471c | pbrook | { \
|
| 1435 | ad69471c | pbrook | if (float32_compare_quiet(vfp_itos(a), vfp_itos(b), NFS) cmp 0) \ |
| 1436 | ad69471c | pbrook | return ~0; \ |
| 1437 | ad69471c | pbrook | else \
|
| 1438 | ad69471c | pbrook | return 0; \ |
| 1439 | ad69471c | pbrook | } |
| 1440 | ad69471c | pbrook | |
| 1441 | ad69471c | pbrook | NEON_VOP_FCMP(ceq_f32, ==) |
| 1442 | ad69471c | pbrook | NEON_VOP_FCMP(cge_f32, >=) |
| 1443 | ad69471c | pbrook | NEON_VOP_FCMP(cgt_f32, >) |
| 1444 | ad69471c | pbrook | |
| 1445 | ad69471c | pbrook | uint32_t HELPER(neon_acge_f32)(uint32_t a, uint32_t b) |
| 1446 | ad69471c | pbrook | {
|
| 1447 | ad69471c | pbrook | float32 f0 = float32_abs(vfp_itos(a)); |
| 1448 | ad69471c | pbrook | float32 f1 = float32_abs(vfp_itos(b)); |
| 1449 | ad69471c | pbrook | return (float32_compare_quiet(f0, f1,NFS) >= 0) ? ~0 : 0; |
| 1450 | ad69471c | pbrook | } |
| 1451 | ad69471c | pbrook | |
| 1452 | ad69471c | pbrook | uint32_t HELPER(neon_acgt_f32)(uint32_t a, uint32_t b) |
| 1453 | ad69471c | pbrook | {
|
| 1454 | ad69471c | pbrook | float32 f0 = float32_abs(vfp_itos(a)); |
| 1455 | ad69471c | pbrook | float32 f1 = float32_abs(vfp_itos(b)); |
| 1456 | ad69471c | pbrook | return (float32_compare_quiet(f0, f1, NFS) > 0) ? ~0 : 0; |
| 1457 | ad69471c | pbrook | } |