tcg: Add generic vector ops for comparisons

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 23 insertions, 0 deletions

diff --git a/tcg/tcg-op-vec.c b/tcg/tcg-op-vec.c
index 6f3060325e..4a6f92fd11 100644
--- a/tcg/tcg-op-vec.c
+++ b/tcg/tcg-op-vec.c
@@ -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);
+    }
+}