target/arm: Convert SHADD, UHADD to decodetree

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-22-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode
index 3061e26242425dd6d68ba586268ef0d3f9275ab4..e33d91fd0a4771053567a2209eba5e59e1a1d7aa 100644 (file)
--- a/target/arm/tcg/a64.decode
+++ b/target/arm/tcg/a64.decode
@@ -912,6 +912,8 @@ CMGE_v          0.00 1110 ..1 ..... 00111 1 ..... ..... @qrrr_e
 CMHS_v          0.10 1110 ..1 ..... 00111 1 ..... ..... @qrrr_e
 CMTST_v         0.00 1110 ..1 ..... 10001 1 ..... ..... @qrrr_e
 CMEQ_v          0.10 1110 ..1 ..... 10001 1 ..... ..... @qrrr_e
+SHADD_v         0.00 1110 ..1 ..... 00000 1 ..... ..... @qrrr_e
+UHADD_v         0.10 1110 ..1 ..... 00000 1 ..... ..... @qrrr_e
 
 ### Advanced SIMD scalar x indexed element
 

diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index 5f3423513d5ee171c0240940964f72db9373fba2..00c04425c1e816ac5fe3848310d0cabeb40e1242 100644 (file)
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -5454,6 +5454,8 @@ TRANS(UQRSHL_v, do_gvec_fn3, a, gen_neon_uqrshl)
 
 TRANS(ADD_v, do_gvec_fn3, a, tcg_gen_gvec_add)
 TRANS(SUB_v, do_gvec_fn3, a, tcg_gen_gvec_sub)
+TRANS(SHADD_v, do_gvec_fn3_no64, a, gen_gvec_shadd)
+TRANS(UHADD_v, do_gvec_fn3_no64, a, gen_gvec_uhadd)
 
 static bool do_cmop_v(DisasContext *s, arg_qrrr_e *a, TCGCond cond)
 {
@@ -10920,7 +10922,6 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
             return;
         }
         /* fall through */
-    case 0x0: /* SHADD, UHADD */
     case 0x2: /* SRHADD, URHADD */
     case 0x4: /* SHSUB, UHSUB */
     case 0xc: /* SMAX, UMAX */
@@ -10946,6 +10947,7 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
         }
         break;
 
+    case 0x0: /* SHADD, UHADD */
     case 0x01: /* SQADD, UQADD */
     case 0x05: /* SQSUB, UQSUB */
     case 0x06: /* CMGT, CMHI */
@@ -10965,13 +10967,6 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
     }
 
     switch (opcode) {
-    case 0x00: /* SHADD, UHADD */
-        if (u) {
-            gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_uhadd, size);
-        } else {
-            gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_shadd, size);
-        }
-        return;
     case 0x0c: /* SMAX, UMAX */
         if (u) {
             gen_gvec_fn3(s, is_q, rd, rn, rm, tcg_gen_gvec_umax, size);