From: Richard Henderson <richard.henderson@linaro.org>
Date: Tue, 28 May 2024 20:30:36 +0000 (-0700)
Subject: target/arm: Convert SRHADD, URHADD to decodetree
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=93b7b9057d825e984463a6ecbce9e7bce12a9ffe;p=qemu.git

target/arm: Convert SRHADD, URHADD to decodetree

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-26-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 b1bbcb144e..1c448b4f7c 100644
--- a/target/arm/tcg/a64.decode
+++ b/target/arm/tcg/a64.decode
@@ -916,6 +916,8 @@ 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
+SRHADD_v        0.00 1110 ..1 ..... 00010 1 ..... ..... @qrrr_e
+URHADD_v        0.10 1110 ..1 ..... 00010 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 40aa7a9d57..9ef5de6755 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -5458,6 +5458,8 @@ 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)
+TRANS(SRHADD_v, do_gvec_fn3_no64, a, gen_gvec_srhadd)
+TRANS(URHADD_v, do_gvec_fn3_no64, a, gen_gvec_urhadd)
 
 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)
             return;
         }
         /* fall through */
-    case 0x2: /* SRHADD, URHADD */
     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 0x02: /* SRHADD, URHADD */
     case 0x04: /* SHSUB, UHSUB */
     case 0x05: /* SQSUB, UQSUB */
     case 0x06: /* CMGT, CMHI */
@@ -10968,13 +10970,6 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
     }
 
     switch (opcode) {
-    case 0x02: /* SRHADD, URHADD */
-        if (u) {
-            gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_urhadd, size);
-        } else {
-            gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_srhadd, size);
-        }
-        return;
     case 0x0c: /* SMAX, UMAX */
         if (u) {
             gen_gvec_fn3(s, is_q, rd, rn, rm, tcg_gen_gvec_umax, size);