[PULL 47/85] target/arm: Remove helper_neon_{add,sub}l_u{16,32}

[Peter Maydell]

From: Richard Henderson <richard.henderson@linaro.org>

These have generic equivalents: tcg_gen_vec_{add,sub}{16,32}_i64.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20241211163036.2297116-48-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 target/arm/helper.h             |  4 ----
 target/arm/tcg/neon_helper.c    | 36 ---------------------------------
 target/arm/tcg/translate-neon.c | 22 ++++++++++----------
 3 files changed, 11 insertions(+), 51 deletions(-)

diff --git a/target/arm/helper.h b/target/arm/helper.h
index 6369d07d053..04e422ab081 100644
--- a/target/arm/helper.h
+++ b/target/arm/helper.h
@@ -395,12 +395,8 @@ DEF_HELPER_1(neon_widen_s8, i64, i32)
 DEF_HELPER_1(neon_widen_u16, i64, i32)
 DEF_HELPER_1(neon_widen_s16, i64, i32)
 
-DEF_HELPER_2(neon_addl_u16, i64, i64, i64)
-DEF_HELPER_2(neon_addl_u32, i64, i64, i64)
 DEF_HELPER_FLAGS_1(neon_addlp_s8, TCG_CALL_NO_RWG_SE, i64, i64)
 DEF_HELPER_FLAGS_1(neon_addlp_s16, TCG_CALL_NO_RWG_SE, i64, i64)
-DEF_HELPER_2(neon_subl_u16, i64, i64, i64)
-DEF_HELPER_2(neon_subl_u32, i64, i64, i64)
 DEF_HELPER_3(neon_addl_saturate_s32, i64, env, i64, i64)
 DEF_HELPER_3(neon_addl_saturate_s64, i64, env, i64, i64)
 DEF_HELPER_2(neon_abdl_u16, i64, i32, i32)
diff --git a/target/arm/tcg/neon_helper.c b/target/arm/tcg/neon_helper.c
index 1a22857b5eb..c687e882ad9 100644
--- a/target/arm/tcg/neon_helper.c
+++ b/target/arm/tcg/neon_helper.c
@@ -826,24 +826,6 @@ uint64_t HELPER(neon_widen_s16)(uint32_t x)
     return ((uint32_t)(int16_t)x) | (high << 32);
 }
 
-uint64_t HELPER(neon_addl_u16)(uint64_t a, uint64_t b)
-{
-    uint64_t mask;
-    mask = (a ^ b) & 0x8000800080008000ull;
-    a &= ~0x8000800080008000ull;
-    b &= ~0x8000800080008000ull;
-    return (a + b) ^ mask;
-}
-
-uint64_t HELPER(neon_addl_u32)(uint64_t a, uint64_t b)
-{
-    uint64_t mask;
-    mask = (a ^ b) & 0x8000000080000000ull;
-    a &= ~0x8000000080000000ull;
-    b &= ~0x8000000080000000ull;
-    return (a + b) ^ mask;
-}
-
 /* Pairwise long add: add pairs of adjacent elements into
  * double-width elements in the result (eg _s8 is an 8x8->16 op)
  */
@@ -887,24 +869,6 @@ uint64_t HELPER(neon_addlp_s16)(uint64_t a)
     return (uint32_t)reslo | (((uint64_t)reshi) << 32);
 }
 
-uint64_t HELPER(neon_subl_u16)(uint64_t a, uint64_t b)
-{
-    uint64_t mask;
-    mask = (a ^ ~b) & 0x8000800080008000ull;
-    a |= 0x8000800080008000ull;
-    b &= ~0x8000800080008000ull;
-    return (a - b) ^ mask;
-}
-
-uint64_t HELPER(neon_subl_u32)(uint64_t a, uint64_t b)
-{
-    uint64_t mask;
-    mask = (a ^ ~b) & 0x8000000080000000ull;
-    a |= 0x8000000080000000ull;
-    b &= ~0x8000000080000000ull;
-    return (a - b) ^ mask;
-}
-
 uint64_t HELPER(neon_addl_saturate_s32)(CPUARMState *env, uint64_t a, uint64_t 
b)
 {
     uint32_t x, y;
diff --git a/target/arm/tcg/translate-neon.c b/target/arm/tcg/translate-neon.c
index 19a18018f1a..0821f10fad5 100644
--- a/target/arm/tcg/translate-neon.c
+++ b/target/arm/tcg/translate-neon.c
@@ -1560,8 +1560,8 @@ static bool do_prewiden_3d(DisasContext *s, arg_3diff *a,
             NULL, NULL,                                                 \
         };                                                              \
         static NeonGenTwo64OpFn * const addfn[] = {                     \
-            gen_helper_neon_##OP##l_u16,                                \
-            gen_helper_neon_##OP##l_u32,                                \
+            tcg_gen_vec_##OP##16_i64,                                   \
+            tcg_gen_vec_##OP##32_i64,                                   \
             tcg_gen_##OP##_i64,                                         \
             NULL,                                                       \
         };                                                              \
@@ -1639,8 +1639,8 @@ static bool do_narrow_3d(DisasContext *s, arg_3diff *a,
     static bool trans_##INSN##_3d(DisasContext *s, arg_3diff *a)        \
     {                                                                   \
         static NeonGenTwo64OpFn * const addfn[] = {                     \
-            gen_helper_neon_##OP##l_u16,                                \
-            gen_helper_neon_##OP##l_u32,                                \
+            tcg_gen_vec_##OP##16_i64,                                   \
+            tcg_gen_vec_##OP##32_i64,                                   \
             tcg_gen_##OP##_i64,                                         \
             NULL,                                                       \
         };                                                              \
@@ -1761,8 +1761,8 @@ static bool trans_VABAL_S_3d(DisasContext *s, arg_3diff 
*a)
         NULL,
     };
     static NeonGenTwo64OpFn * const addfn[] = {
-        gen_helper_neon_addl_u16,
-        gen_helper_neon_addl_u32,
+        tcg_gen_vec_add16_i64,
+        tcg_gen_vec_add32_i64,
         tcg_gen_add_i64,
         NULL,
     };
@@ -1779,8 +1779,8 @@ static bool trans_VABAL_U_3d(DisasContext *s, arg_3diff 
*a)
         NULL,
     };
     static NeonGenTwo64OpFn * const addfn[] = {
-        gen_helper_neon_addl_u16,
-        gen_helper_neon_addl_u32,
+        tcg_gen_vec_add16_i64,
+        tcg_gen_vec_add32_i64,
         tcg_gen_add_i64,
         NULL,
     };
@@ -1840,8 +1840,8 @@ static bool trans_VMULL_U_3d(DisasContext *s, arg_3diff 
*a)
             NULL,                                                       \
         };                                                              \
         static NeonGenTwo64OpFn * const accfn[] = {                     \
-            gen_helper_neon_##ACC##l_u16,                               \
-            gen_helper_neon_##ACC##l_u32,                               \
+            tcg_gen_vec_##ACC##16_i64,                                  \
+            tcg_gen_vec_##ACC##32_i64,                                  \
             tcg_gen_##ACC##_i64,                                        \
             NULL,                                                       \
         };                                                              \
@@ -2371,7 +2371,7 @@ static bool trans_VMULL_U_2sc(DisasContext *s, 
arg_2scalar *a)
         };                                                              \
         static NeonGenTwo64OpFn * const accfn[] = {                     \
             NULL,                                                       \
-            gen_helper_neon_##ACC##l_u32,                               \
+            tcg_gen_vec_##ACC##32_i64,                                  \
             tcg_gen_##ACC##_i64,                                        \
             NULL,                                                       \
         };                                                              \
-- 
2.34.1