target/loongarch: Implement xavg/xvagr
This patch includes:
- XVAVG.{B/H/W/D/}[U];
- XVAVGR.{B/H/W/D}[U].
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230914022645.1151356-22-gaosong@loongson.cn>
diff --git a/target/loongarch/vec_helper.c b/target/loongarch/vec_helper.c
index fc3b07e..35b207a 100644
--- a/target/loongarch/vec_helper.c
+++ b/target/loongarch/vec_helper.c
@@ -350,16 +350,18 @@
#define DO_VAVG(a, b) ((a >> 1) + (b >> 1) + (a & b & 1))
#define DO_VAVGR(a, b) ((a >> 1) + (b >> 1) + ((a | b) & 1))
-#define DO_3OP(NAME, BIT, E, DO_OP) \
-void HELPER(NAME)(void *vd, void *vj, void *vk, uint32_t v) \
-{ \
- int i; \
- VReg *Vd = (VReg *)vd; \
- VReg *Vj = (VReg *)vj; \
- VReg *Vk = (VReg *)vk; \
- for (i = 0; i < LSX_LEN/BIT; i++) { \
- Vd->E(i) = DO_OP(Vj->E(i), Vk->E(i)); \
- } \
+#define DO_3OP(NAME, BIT, E, DO_OP) \
+void HELPER(NAME)(void *vd, void *vj, void *vk, uint32_t desc) \
+{ \
+ int i; \
+ VReg *Vd = (VReg *)vd; \
+ VReg *Vj = (VReg *)vj; \
+ VReg *Vk = (VReg *)vk; \
+ int oprsz = simd_oprsz(desc); \
+ \
+ for (i = 0; i < oprsz / (BIT / 8); i++) { \
+ Vd->E(i) = DO_OP(Vj->E(i), Vk->E(i)); \
+ } \
}
DO_3OP(vavg_b, 8, B, DO_VAVG)
