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tcg: Add generic vector expanders

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Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2017-09-15 14:11:45 -07:00
parent 474b2e8f0f
commit db432672dc
13 changed files with 2024 additions and 18 deletions
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27
tcg/tcg.h
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@ -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.
*/