[PATCH v3 23/33] target/arm: Convert SHSUB, UHSUB to decodetree

[Richard Henderson <richard.henderson@linaro.org>]

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/arm/tcg/a64.decode      |  2 ++
 target/arm/tcg/translate-a64.c | 11 +++--------
 2 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode
index e33d91fd0a..b1bbcb144e 100644
--- a/target/arm/tcg/a64.decode
+++ b/target/arm/tcg/a64.decode
@@ -914,6 +914,8 @@ 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
+SHSUB_v         0.00 1110 ..1 ..... 00100 1 ..... ..... @qrrr_e
+UHSUB_v         0.10 1110 ..1 ..... 00100 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 63f7a59f94..6571b999f4 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -5456,6 +5456,8 @@ 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)
+TRANS(SHSUB_v, do_gvec_fn3_no64, a, gen_gvec_shsub)
+TRANS(UHSUB_v, do_gvec_fn3_no64, a, gen_gvec_uhsub)
 
 static bool do_cmop_v(DisasContext *s, arg_qrrr_e *a, TCGCond cond)
 {
@@ -10923,7 +10925,6 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
         }
         /* fall through */
     case 0x2: /* SRHADD, URHADD */
-    case 0x4: /* SHSUB, UHSUB */
     case 0xc: /* SMAX, UMAX */
     case 0xd: /* SMIN, UMIN */
     case 0xe: /* SABD, UABD */
@@ -10949,6 +10950,7 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
 
     case 0x0: /* SHADD, UHADD */
     case 0x01: /* SQADD, UQADD */
+    case 0x04: /* SHSUB, UHSUB */
     case 0x05: /* SQSUB, UQSUB */
     case 0x06: /* CMGT, CMHI */
     case 0x07: /* CMGE, CMHS */
@@ -10967,13 +10969,6 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
     }
 
     switch (opcode) {
-    case 0x04: /* SHSUB, UHSUB */
-        if (u) {
-            gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_uhsub, size);
-        } else {
-            gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_shsub, size);
-        }
-        return;
     case 0x0c: /* SMAX, UMAX */
         if (u) {
             gen_gvec_fn3(s, is_q, rd, rn, rm, tcg_gen_gvec_umax, size);
-- 
2.34.1