target/arm: Convert SABA, SABD, UABA, UABD to decodetree

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-28-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 bc98963bc5f895a3e49d29d7c8314577970e1178..07b604ec30d113c5e3a2dde35dfe84a9d2a01fcd 100644 (file)
--- a/target/arm/tcg/a64.decode
+++ b/target/arm/tcg/a64.decode
@@ -922,6 +922,10 @@ SMAX_v          0.00 1110 ..1 ..... 01100 1 ..... ..... @qrrr_e
 UMAX_v          0.10 1110 ..1 ..... 01100 1 ..... ..... @qrrr_e
 SMIN_v          0.00 1110 ..1 ..... 01101 1 ..... ..... @qrrr_e
 UMIN_v          0.10 1110 ..1 ..... 01101 1 ..... ..... @qrrr_e
+SABD_v          0.00 1110 ..1 ..... 01110 1 ..... ..... @qrrr_e
+UABD_v          0.10 1110 ..1 ..... 01110 1 ..... ..... @qrrr_e
+SABA_v          0.00 1110 ..1 ..... 01111 1 ..... ..... @qrrr_e
+UABA_v          0.10 1110 ..1 ..... 01111 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 db6f59df176062cab73560d429d6556d58762a54..61afbc434fec68147388eced5a84456351a2c413 100644 (file)
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -5464,6 +5464,10 @@ TRANS(SMAX_v, do_gvec_fn3_no64, a, tcg_gen_gvec_smax)
 TRANS(UMAX_v, do_gvec_fn3_no64, a, tcg_gen_gvec_umax)
 TRANS(SMIN_v, do_gvec_fn3_no64, a, tcg_gen_gvec_smin)
 TRANS(UMIN_v, do_gvec_fn3_no64, a, tcg_gen_gvec_umin)
+TRANS(SABA_v, do_gvec_fn3_no64, a, gen_gvec_saba)
+TRANS(UABA_v, do_gvec_fn3_no64, a, gen_gvec_uaba)
+TRANS(SABD_v, do_gvec_fn3_no64, a, gen_gvec_sabd)
+TRANS(UABD_v, do_gvec_fn3_no64, a, gen_gvec_uabd)
 
 static bool do_cmop_v(DisasContext *s, arg_qrrr_e *a, TCGCond cond)
 {
@@ -10929,8 +10933,6 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
             return;
         }
         /* fall through */
-    case 0xe: /* SABD, UABD */
-    case 0xf: /* SABA, UABA */
     case 0x12: /* MLA, MLS */
         if (size == 3) {
             unallocated_encoding(s);
@@ -10963,6 +10965,8 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
     case 0x0b: /* SQRSHL, UQRSHL */
     case 0x0c: /* SMAX, UMAX */
     case 0x0d: /* SMIN, UMIN */
+    case 0x0e: /* SABD, UABD */
+    case 0x0f: /* SABA, UABA */
     case 0x10: /* ADD, SUB */
     case 0x11: /* CMTST, CMEQ */
         unallocated_encoding(s);
@@ -10974,20 +10978,6 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
     }
 
     switch (opcode) {
-    case 0xe: /* SABD, UABD */
-        if (u) {
-            gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_uabd, size);
-        } else {
-            gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_sabd, size);
-        }
-        return;
-    case 0xf: /* SABA, UABA */
-        if (u) {
-            gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_uaba, size);
-        } else {
-            gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_saba, size);
-        }
-        return;
     case 0x13: /* MUL, PMUL */
         if (!u) { /* MUL */
             gen_gvec_fn3(s, is_q, rd, rn, rm, tcg_gen_gvec_mul, size);