diff mbox series

[PULL,30/45] target/arm: Use gvec for NEON_3R_VADD_VSUB insns

Message ID 20181019165735.22511-31-peter.maydell@linaro.org (mailing list archive)
State New, archived
Headers show
Series [PULL,01/45] ssi-sd: Make devices picking up backends unavailable with -device | expand

Commit Message

Peter Maydell Oct. 19, 2018, 4:57 p.m. UTC 
From: Richard Henderson <richard.henderson@linaro.org>

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20181011205206.3552-10-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 target/arm/translate.c | 29 ++++++++++-------------------
 1 file changed, 10 insertions(+), 19 deletions(-)
diff mbox series

Patch

diff --git a/target/arm/translate.c b/target/arm/translate.c
index 82710fb1175..fc0173076a4 100644
--- a/target/arm/translate.c
+++ b/target/arm/translate.c
@@ -5949,6 +5949,16 @@  static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
                 break;
             }
             return 0;
+
+        case NEON_3R_VADD_VSUB:
+            if (u) {
+                tcg_gen_gvec_sub(size, rd_ofs, rn_ofs, rm_ofs,
+                                 vec_size, vec_size);
+            } else {
+                tcg_gen_gvec_add(size, rd_ofs, rn_ofs, rm_ofs,
+                                 vec_size, vec_size);
+            }
+            return 0;
         }
         if (size == 3) {
             /* 64-bit element instructions. */
@@ -6006,13 +6016,6 @@  static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
                                                   cpu_V1, cpu_V0);
                     }
                     break;
-                case NEON_3R_VADD_VSUB:
-                    if (u) {
-                        tcg_gen_sub_i64(CPU_V001);
-                    } else {
-                        tcg_gen_add_i64(CPU_V001);
-                    }
-                    break;
                 default:
                     abort();
                 }
@@ -6147,18 +6150,6 @@  static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
             tmp2 = neon_load_reg(rd, pass);
             gen_neon_add(size, tmp, tmp2);
             break;
-        case NEON_3R_VADD_VSUB:
-            if (!u) { /* VADD */
-                gen_neon_add(size, tmp, tmp2);
-            } else { /* VSUB */
-                switch (size) {
-                case 0: gen_helper_neon_sub_u8(tmp, tmp, tmp2); break;
-                case 1: gen_helper_neon_sub_u16(tmp, tmp, tmp2); break;
-                case 2: tcg_gen_sub_i32(tmp, tmp, tmp2); break;
-                default: abort();
-                }
-            }
-            break;
         case NEON_3R_VTST_VCEQ:
             if (!u) { /* VTST */
                 switch (size) {