target/loongarch: Implement vadd/vsub

This patch includes:
- VADD.{B/H/W/D/Q};
- VSUB.{B/H/W/D/Q}.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20230504122810.4094787-5-gaosong@loongson.cn>

1 files changed, 1 insertions, 0 deletions

diff --git a/target/loongarch/translate.h b/target/loongarch/translate.h
index 67bc74c..7f60090 100644
--- a/target/loongarch/translate.h
+++ b/target/loongarch/translate.h
@@ -31,6 +31,7 @@ typedef struct DisasContext {
     uint32_t opcode;
     uint16_t mem_idx;
     uint16_t plv;
+    int vl;   /* Vector length */
     TCGv zero;
 } DisasContext;