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tcg: Add generic vector ops for comparisons

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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 2017-11-17 20:47:42 +01:00
parent d0ec97967f
commit 212be173f0
9 changed files with 255 additions and 0 deletions
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23
tcg/tcg-op-vec.c
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@ -342,3 +342,26 @@ void tcg_gen_sari_vec(unsigned vece, TCGv_vec r, TCGv_vec a, int64_t i)
{
do_shifti(INDEX_op_sari_vec, vece, r, a, i);
}
void tcg_gen_cmp_vec(TCGCond cond, unsigned vece,
TCGv_vec r, TCGv_vec a, TCGv_vec b)
{
TCGTemp *rt = tcgv_vec_temp(r);
TCGTemp *at = tcgv_vec_temp(a);
TCGTemp *bt = tcgv_vec_temp(b);
TCGArg ri = temp_arg(rt);
TCGArg ai = temp_arg(at);
TCGArg bi = temp_arg(bt);
TCGType type = rt->base_type;
int can;
tcg_debug_assert(at->base_type == type);
tcg_debug_assert(bt->base_type == type);
can = tcg_can_emit_vec_op(INDEX_op_cmp_vec, type, vece);
if (can > 0) {
vec_gen_4(INDEX_op_cmp_vec, type, vece, ri, ai, bi, cond);
} else {
tcg_debug_assert(can < 0);
tcg_expand_vec_op(INDEX_op_cmp_vec, type, vece, ri, ai, bi, cond);
}
}