| | 1 | /* |
| | 2 | * ARMv6 integer SIMD operations. |
| | 3 | * |
| | 4 | * Copyright (c) 2007 CodeSourcery. |
| | 5 | * Written by Paul Brook |
| | 6 | * |
| | 7 | * This code is licensed under the GPL. |
| | 8 | */ |
| | 9 | |
| | 10 | #ifdef ARITH_GE |
| | 11 | #define GE_ARG , void *gep |
| | 12 | #define DECLARE_GE uint32_t ge = 0 |
| | 13 | #define SET_GE *(uint32_t *)gep = ge |
| | 14 | #else |
| | 15 | #define GE_ARG |
| | 16 | #define DECLARE_GE do{}while(0) |
| | 17 | #define SET_GE do{}while(0) |
| | 18 | #endif |
| | 19 | |
| | 20 | #define RESULT(val, n, width) \ |
| | 21 | res |= ((uint32_t)(glue(glue(uint,width),_t))(val)) << (n * width) |
| | 22 | |
| | 23 | uint32_t HELPER(glue(PFX,add16))(uint32_t a, uint32_t b GE_ARG) |
| | 24 | { |
| | 25 | uint32_t res = 0; |
| | 26 | DECLARE_GE; |
| | 27 | |
| | 28 | ADD16(a, b, 0); |
| | 29 | ADD16(a >> 16, b >> 16, 1); |
| | 30 | SET_GE; |
| | 31 | return res; |
| | 32 | } |
| | 33 | |
| | 34 | uint32_t HELPER(glue(PFX,add8))(uint32_t a, uint32_t b GE_ARG) |
| | 35 | { |
| | 36 | uint32_t res = 0; |
| | 37 | DECLARE_GE; |
| | 38 | |
| | 39 | ADD8(a, b, 0); |
| | 40 | ADD8(a >> 8, b >> 8, 1); |
| | 41 | ADD8(a >> 16, b >> 16, 2); |
| | 42 | ADD8(a >> 24, b >> 24, 3); |
| | 43 | SET_GE; |
| | 44 | return res; |
| | 45 | } |
| | 46 | |
| | 47 | uint32_t HELPER(glue(PFX,sub16))(uint32_t a, uint32_t b GE_ARG) |
| | 48 | { |
| | 49 | uint32_t res = 0; |
| | 50 | DECLARE_GE; |
| | 51 | |
| | 52 | SUB16(a, b, 0); |
| | 53 | SUB16(a >> 16, b >> 16, 1); |
| | 54 | SET_GE; |
| | 55 | return res; |
| | 56 | } |
| | 57 | |
| | 58 | uint32_t HELPER(glue(PFX,sub8))(uint32_t a, uint32_t b GE_ARG) |
| | 59 | { |
| | 60 | uint32_t res = 0; |
| | 61 | DECLARE_GE; |
| | 62 | |
| | 63 | SUB8(a, b, 0); |
| | 64 | SUB8(a >> 8, b >> 8, 1); |
| | 65 | SUB8(a >> 16, b >> 16, 2); |
| | 66 | SUB8(a >> 24, b >> 24, 3); |
| | 67 | SET_GE; |
| | 68 | return res; |
| | 69 | } |
| | 70 | |
| | 71 | uint32_t HELPER(glue(PFX,subaddx))(uint32_t a, uint32_t b GE_ARG) |
| | 72 | { |
| | 73 | uint32_t res = 0; |
| | 74 | DECLARE_GE; |
| | 75 | |
| | 76 | ADD16(a, b >> 16, 0); |
| | 77 | SUB16(a >> 16, b, 1); |
| | 78 | SET_GE; |
| | 79 | return res; |
| | 80 | } |
| | 81 | |
| | 82 | uint32_t HELPER(glue(PFX,addsubx))(uint32_t a, uint32_t b GE_ARG) |
| | 83 | { |
| | 84 | uint32_t res = 0; |
| | 85 | DECLARE_GE; |
| | 86 | |
| | 87 | SUB16(a, b >> 16, 0); |
| | 88 | ADD16(a >> 16, b, 1); |
| | 89 | SET_GE; |
| | 90 | return res; |
| | 91 | } |
| | 92 | |
| | 93 | #undef GE_ARG |
| | 94 | #undef DECLARE_GE |
| | 95 | #undef SET_GE |
| | 96 | #undef RESULT |
| | 97 | |
| | 98 | #undef ARITH_GE |
| | 99 | #undef PFX |
| | 100 | #undef ADD16 |
| | 101 | #undef SUB16 |
| | 102 | #undef ADD8 |
| | 103 | #undef SUB8 |
projects / qemu.git / blame_incremental