target/loongarch: Implement xvadda

This patch includes: - XVADDA.{B/H/W/D}. Signed-off-by: Song Gao <gaosong@loongson.cn> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230914022645.1151356-24-gaosong@loongson.cn>
qemu · Sep 20, 2023 · 27f5485 · 27f5485
1 parent ccc9fa2
commit 27f5485
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Showing 4 changed files with 30 additions and 14 deletions.
diff --git a/target/loongarch/disas.c b/target/loongarch/disas.c
@@ -1851,6 +1851,11 @@ INSN_LASX(xvabsd_hu,         vvv)
 INSN_LASX(xvabsd_wu,         vvv)
 INSN_LASX(xvabsd_du,         vvv)
 
+INSN_LASX(xvadda_b,          vvv)
+INSN_LASX(xvadda_h,          vvv)
+INSN_LASX(xvadda_w,          vvv)
+INSN_LASX(xvadda_d,          vvv)
+
 INSN_LASX(xvreplgr2vr_b,     vr)
 INSN_LASX(xvreplgr2vr_h,     vr)
 INSN_LASX(xvreplgr2vr_w,     vr)

diff --git a/target/loongarch/insn_trans/trans_vec.c.inc b/target/loongarch/insn_trans/trans_vec.c.inc
@@ -1672,6 +1672,10 @@ TRANS(vadda_b, LSX, gvec_vvv, MO_8, do_vadda)
 TRANS(vadda_h, LSX, gvec_vvv, MO_16, do_vadda)
 TRANS(vadda_w, LSX, gvec_vvv, MO_32, do_vadda)
 TRANS(vadda_d, LSX, gvec_vvv, MO_64, do_vadda)
+TRANS(xvadda_b, LASX, gvec_xxx, MO_8, do_vadda)
+TRANS(xvadda_h, LASX, gvec_xxx, MO_16, do_vadda)
+TRANS(xvadda_w, LASX, gvec_xxx, MO_32, do_vadda)
+TRANS(xvadda_d, LASX, gvec_xxx, MO_64, do_vadda)
 
 TRANS(vmax_b, LSX, gvec_vvv, MO_8, tcg_gen_gvec_smax)
 TRANS(vmax_h, LSX, gvec_vvv, MO_16, tcg_gen_gvec_smax)

diff --git a/target/loongarch/insns.decode b/target/loongarch/insns.decode
@@ -1432,6 +1432,11 @@ xvabsd_hu        0111 01000110 00101 ..... ..... .....    @vvv
 xvabsd_wu        0111 01000110 00110 ..... ..... .....    @vvv
 xvabsd_du        0111 01000110 00111 ..... ..... .....    @vvv
 
+xvadda_b         0111 01000101 11000 ..... ..... .....    @vvv
+xvadda_h         0111 01000101 11001 ..... ..... .....    @vvv
+xvadda_w         0111 01000101 11010 ..... ..... .....    @vvv
+xvadda_d         0111 01000101 11011 ..... ..... .....    @vvv
+
 xvreplgr2vr_b    0111 01101001 11110 00000 ..... .....    @vr
 xvreplgr2vr_h    0111 01101001 11110 00001 ..... .....    @vr
 xvreplgr2vr_w    0111 01101001 11110 00010 ..... .....    @vr

diff --git a/target/loongarch/vec_helper.c b/target/loongarch/vec_helper.c
@@ -394,22 +394,24 @@ DO_3OP(vabsd_du, 64, UD, DO_VABSD)
 
 #define DO_VABS(a)  ((a < 0) ? (-a) : (a))
 
-#define DO_VADDA(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)) + DO_OP(Vk->E(i));       \
-    }                                                       \
+#define DO_VADDA(NAME, BIT, E)                                 \
+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_VABS(Vj->E(i)) + DO_VABS(Vk->E(i));      \
+    }                                                          \
 }
 
-DO_VADDA(vadda_b, 8, B, DO_VABS)
-DO_VADDA(vadda_h, 16, H, DO_VABS)
-DO_VADDA(vadda_w, 32, W, DO_VABS)
-DO_VADDA(vadda_d, 64, D, DO_VABS)
+DO_VADDA(vadda_b, 8, B)
+DO_VADDA(vadda_h, 16, H)
+DO_VADDA(vadda_w, 32, W)
+DO_VADDA(vadda_d, 64, D)
 
 #define DO_MIN(a, b) (a < b ? a : b)
 #define DO_MAX(a, b) (a > b ? a : b)