| /* |
| * ARMv6 integer SIMD operations. |
| * |
| * Copyright (c) 2007 CodeSourcery. |
| * Written by Paul Brook |
| * |
| * This code is licensed under the GPL. |
| */ |
| |
| #ifdef ARITH_GE |
| #define GE_ARG , void *gep |
| #define DECLARE_GE uint32_t ge = 0 |
| #define SET_GE *(uint32_t *)gep = ge |
| #else |
| #define GE_ARG |
| #define DECLARE_GE do{}while(0) |
| #define SET_GE do{}while(0) |
| #endif |
| |
| #define RESULT(val, n, width) \ |
| res |= ((uint32_t)(glue(glue(uint,width),_t))(val)) << (n * width) |
| |
| uint32_t HELPER(glue(PFX,add16))(uint32_t a, uint32_t b GE_ARG) |
| { |
| uint32_t res = 0; |
| DECLARE_GE; |
| |
| ADD16(a, b, 0); |
| ADD16(a >> 16, b >> 16, 1); |
| SET_GE; |
| return res; |
| } |
| |
| uint32_t HELPER(glue(PFX,add8))(uint32_t a, uint32_t b GE_ARG) |
| { |
| uint32_t res = 0; |
| DECLARE_GE; |
| |
| ADD8(a, b, 0); |
| ADD8(a >> 8, b >> 8, 1); |
| ADD8(a >> 16, b >> 16, 2); |
| ADD8(a >> 24, b >> 24, 3); |
| SET_GE; |
| return res; |
| } |
| |
| uint32_t HELPER(glue(PFX,sub16))(uint32_t a, uint32_t b GE_ARG) |
| { |
| uint32_t res = 0; |
| DECLARE_GE; |
| |
| SUB16(a, b, 0); |
| SUB16(a >> 16, b >> 16, 1); |
| SET_GE; |
| return res; |
| } |
| |
| uint32_t HELPER(glue(PFX,sub8))(uint32_t a, uint32_t b GE_ARG) |
| { |
| uint32_t res = 0; |
| DECLARE_GE; |
| |
| SUB8(a, b, 0); |
| SUB8(a >> 8, b >> 8, 1); |
| SUB8(a >> 16, b >> 16, 2); |
| SUB8(a >> 24, b >> 24, 3); |
| SET_GE; |
| return res; |
| } |
| |
| uint32_t HELPER(glue(PFX,subaddx))(uint32_t a, uint32_t b GE_ARG) |
| { |
| uint32_t res = 0; |
| DECLARE_GE; |
| |
| ADD16(a, b >> 16, 0); |
| SUB16(a >> 16, b, 1); |
| SET_GE; |
| return res; |
| } |
| |
| uint32_t HELPER(glue(PFX,addsubx))(uint32_t a, uint32_t b GE_ARG) |
| { |
| uint32_t res = 0; |
| DECLARE_GE; |
| |
| SUB16(a, b >> 16, 0); |
| ADD16(a >> 16, b, 1); |
| SET_GE; |
| return res; |
| } |
| |
| #undef GE_ARG |
| #undef DECLARE_GE |
| #undef SET_GE |
| #undef RESULT |
| |
| #undef ARITH_GE |
| #undef PFX |
| #undef ADD16 |
| #undef SUB16 |
| #undef ADD8 |
| #undef SUB8 |
