NEON_TYPE4(s8, int8_t) NEON_TYPE4(u8, uint8_t) NEON_TYPE2(s16, int16_t) NEON_TYPE2(u16, uint16_t) NEON_TYPE1(s32, int32_t) NEON_TYPE1(u32, uint32_t) #undef NEON_TYPE4 #undef NEON_TYPE2 #undef NEON_TYPE1 /* Copy from a uint32_t to a vector structure type. */ #define NEON_UNPACK(vtype, dest, val) do { \ union { \ vtype v; \ uint32_t i; \ } conv_u; \ conv_u.i = (val); \ dest = conv_u.v; \ } while(0) /* Copy from a vector structure type to a uint32_t. */ #define NEON_PACK(vtype, dest, val) do { \ union { \ vtype v; \ uint32_t i; \ } conv_u; \ conv_u.v = (val); \ dest = conv_u.i; \ } while(0) #define NEON_DO1 \ NEON_FN(vdest.v1, vsrc1.v1, vsrc2.v1); #define NEON_DO2 \ NEON_FN(vdest.v1, vsrc1.v1, vsrc2.v1); \ NEON_FN(vdest.v2, vsrc1.v2, vsrc2.v2); #define NEON_DO4 \ NEON_FN(vdest.v1, vsrc1.v1, vsrc2.v1); \ NEON_FN(vdest.v2, vsrc1.v2, vsrc2.v2); \ NEON_FN(vdest.v3, vsrc1.v3, vsrc2.v3); \ NEON_FN(vdest.v4, vsrc1.v4, vsrc2.v4); #define NEON_VOP_BODY(vtype, n) \ { \ uint32_t res; \ vtype vsrc1; \ vtype vsrc2; \ vtype vdest; \ NEON_UNPACK(vtype, vsrc1, arg1); \ NEON_UNPACK(vtype, vsrc2, arg2); \ NEON_DO##n; \ NEON_PACK(vtype, res, vdest); \ return res; \ #define NEON_VOP(name, vtype, n) \ uint32_t HELPER(glue(neon_,name))(uint32_t arg1, uint32_t arg2) \ NEON_VOP_BODY(vtype, n) #define NEON_VOP_ENV(name, vtype, n) \ uint32_t HELPER(glue(neon_,name))(CPUState *env, uint32_t arg1, uint32_t arg2) \ NEON_VOP_BODY(vtype, n) /* Pairwise operations. */ /* For 32-bit elements each segment only contains a single element, so the elementwise and pairwise operations are the same. */ #define NEON_PDO2 \ NEON_FN(vdest.v1, vsrc1.v1, vsrc1.v2); \ NEON_FN(vdest.v2, vsrc2.v1, vsrc2.v2); #define NEON_PDO4 \ NEON_FN(vdest.v1, vsrc1.v1, vsrc1.v2); \ NEON_FN(vdest.v2, vsrc1.v3, vsrc1.v4); \ NEON_FN(vdest.v3, vsrc2.v1, vsrc2.v2); \ NEON_FN(vdest.v4, vsrc2.v3, vsrc2.v4); \ #define NEON_POP(name, vtype, n) \ uint32_t HELPER(glue(neon_,name))(uint32_t arg1, uint32_t arg2) \ { \ uint32_t res; \ vtype vsrc1; \ vtype vsrc2; \ vtype vdest; \ NEON_UNPACK(vtype, vsrc1, arg1); \ NEON_UNPACK(vtype, vsrc2, arg2); \ NEON_PDO##n; \ NEON_PACK(vtype, res, vdest); \ return res; \ /* Unary operators. */ #define NEON_VOP1(name, vtype, n) \ uint32_t HELPER(glue(neon_,name))(uint32_t arg) \ { \ vtype vsrc1; \ vtype vdest; \ NEON_UNPACK(vtype, vsrc1, arg); \ NEON_DO##n; \ NEON_PACK(vtype, arg, vdest); \ return arg; \ #define NEON_USAT(dest, src1, src2, type) do { \ uint32_t tmp = (uint32_t)src1 + (uint32_t)src2; \ if (tmp != (type)tmp) { \ SET_QC(); \ dest = ~0; \ } else { \ dest = tmp; \ }} while(0) #define NEON_FN(dest, src1, src2) NEON_USAT(dest, src1, src2, uint8_t) NEON_VOP_ENV(qadd_u8, neon_u8, 4) #undef NEON_FN #define NEON_FN(dest, src1, src2) NEON_USAT(dest, src1, src2, uint16_t) NEON_VOP_ENV(qadd_u16, neon_u16, 2) #undef NEON_FN #undef NEON_USAT