diff options
Diffstat (limited to 'tcg/tcg.h')
| -rw-r--r-- | tcg/tcg.h | 27 |
1 files changed, 27 insertions, 0 deletions
@@ -1207,6 +1207,33 @@ uintptr_t tcg_qemu_tb_exec(CPUArchState *env, uint8_t *tb_ptr); void tcg_register_jit(void *buf, size_t buf_size); +#if TCG_TARGET_MAYBE_vec +/* Return zero if the tuple (opc, type, vece) is unsupportable; + return > 0 if it is directly supportable; + return < 0 if we must call tcg_expand_vec_op. */ +int tcg_can_emit_vec_op(TCGOpcode, TCGType, unsigned); +#else +static inline int tcg_can_emit_vec_op(TCGOpcode o, TCGType t, unsigned ve) +{ + return 0; +} +#endif + +/* Expand the tuple (opc, type, vece) on the given arguments. */ +void tcg_expand_vec_op(TCGOpcode, TCGType, unsigned, TCGArg, ...); + +/* Replicate a constant C accoring to the log2 of the element size. */ +uint64_t dup_const(unsigned vece, uint64_t c); + +#define dup_const(VECE, C) \ + (__builtin_constant_p(VECE) \ + ? ( (VECE) == MO_8 ? 0x0101010101010101ull * (uint8_t)(C) \ + : (VECE) == MO_16 ? 0x0001000100010001ull * (uint16_t)(C) \ + : (VECE) == MO_32 ? 0x0000000100000001ull * (uint32_t)(C) \ + : dup_const(VECE, C)) \ + : dup_const(VECE, C)) + + /* * Memory helpers that will be used by TCG generated code. */ |