[Qemu-devel] [PATCH v2 06/11] target/arm: Decode aa32 armv8.1 two reg and a scalar

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

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/arm/translate.c | 38 +++++++++++++++++++++++++++++++++++---
 1 file changed, 35 insertions(+), 3 deletions(-)

diff --git a/target/arm/translate.c b/target/arm/translate.c
index a9587ae242..1a0b0eaced 100644
--- a/target/arm/translate.c
+++ b/target/arm/translate.c
@@ -6973,11 +6973,43 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
                         }
                         neon_store_reg64(cpu_V0, rd + pass);
                     }
+                    break;
+                case 14: /* VQRDMLAH scalar */
+                case 15: /* VQRDMLSH scalar */
+                    if (!arm_dc_feature(s, ARM_FEATURE_V8_1_SIMD)) {
+                        return 1;
+                    }
+                    if (u && ((rd | rn) & 1)) {
+                        return 1;
+                    }
+                    tmp2 = neon_get_scalar(size, rm);
+                    for (pass = 0; pass < (u ? 4 : 2); pass++) {
+                        void (*fn)(TCGv_i32, TCGv_env, TCGv_i32,
+                                   TCGv_i32, TCGv_i32);
 
-
+                        tmp = neon_load_reg(rn, pass);
+                        tmp3 = neon_load_reg(rd, pass);
+                        if (op == 14) {
+                            if (size == 1) {
+                                fn = gen_helper_neon_qrdmlah_s16;
+                            } else {
+                                fn = gen_helper_neon_qrdmlah_s32;
+                            }
+                        } else {
+                            if (size == 1) {
+                                fn = gen_helper_neon_qrdmlsh_s16;
+                            } else {
+                                fn = gen_helper_neon_qrdmlsh_s32;
+                            }
+                        }
+                        fn(tmp, cpu_env, tmp, tmp2, tmp3);
+                        tcg_temp_free_i32(tmp3);
+                        neon_store_reg(rd, pass, tmp);
+                    }
+                    tcg_temp_free_i32(tmp2);
                     break;
-                default: /* 14 and 15 are RESERVED */
-                    return 1;
+                default:
+                    g_assert_not_reached();
                 }
             }
         } else { /* size == 3 */
-- 
2.14.3