[av1_inv_txfm_neon] Delete unused parameter (int bit).

Change-Id: I2ab995ef17aa45246a9a787ec63a9d94d9099cd3
diff --git a/av1/common/arm/av1_inv_txfm_neon.c b/av1/common/arm/av1_inv_txfm_neon.c
index 6b24a1e..bee496a 100644
--- a/av1/common/arm/av1_inv_txfm_neon.c
+++ b/av1/common/arm/av1_inv_txfm_neon.c
@@ -259,8 +259,7 @@
 }
 
 static INLINE void iadst8_neon(int16x8_t *const in, int16x8_t *out,
-                               int8_t cos_bit, int bit) {
-  (void)bit;
+                               int8_t cos_bit) {
   const int32_t *cospi = cospi_arr(cos_bit);
 
   const int16x4_t c0 = set_s16x4_neon((int16_t)cospi[4], (int16_t)cospi[60],
@@ -333,8 +332,7 @@
 }
 
 static INLINE void iadst8_low1_neon(int16x8_t *const in, int16x8_t *out,
-                                    int8_t cos_bit, int bit) {
-  (void)bit;
+                                    int8_t cos_bit) {
   const int32_t *cospi = cospi_arr(cos_bit);
   const int16x4_t c2 = set_s16x4_neon((int16_t)cospi[32], (int16_t)cospi[32],
                                       (int16_t)cospi[16], (int16_t)cospi[48]);
@@ -385,9 +383,7 @@
   out[7] = vqnegq_s16(x[1]);
 }
 
-static INLINE void idct8_neon(int16x8_t *in, int16x8_t *out, int8_t cos_bit,
-                              int bit) {
-  (void)bit;
+static INLINE void idct8_neon(int16x8_t *in, int16x8_t *out, int8_t cos_bit) {
   const int32_t *cospi = cospi_arr(cos_bit);
   int16x8_t step1[8], step2[8];
   const int16x4_t c0 = set_s16x4_neon((int16_t)cospi[8], (int16_t)cospi[56],
@@ -426,8 +422,7 @@
 }
 
 static INLINE void idct8_low1_neon(int16x8_t *in, int16x8_t *out,
-                                   int8_t cos_bit, int bit) {
-  (void)bit;
+                                   int8_t cos_bit) {
   const int32_t *cospi = cospi_arr(cos_bit);
   int16x8_t step1;
   int32x4_t t32[2];
@@ -519,8 +514,7 @@
 }
 
 static INLINE void idct16_low1_neon(int16x8_t *in, int16x8_t *out,
-                                    int8_t cos_bit, int bit) {
-  (void)bit;
+                                    int8_t cos_bit) {
   const int32_t *cospi = cospi_arr(cos_bit);
   int16x8_t step1;
   int32x4_t t32[2];
@@ -552,9 +546,7 @@
   out[15] = step1;
 }
 
-static INLINE void idct16_neon(int16x8_t *in, int16x8_t *out, int8_t cos_bit,
-                               int bit) {
-  (void)bit;
+static INLINE void idct16_neon(int16x8_t *in, int16x8_t *out, int8_t cos_bit) {
   const int32_t *cospi = cospi_arr(cos_bit);
   int16x8_t step1[16], step2[16];
 
@@ -676,8 +668,7 @@
 }
 
 static INLINE void idct16_low8_neon(int16x8_t *in, int16x8_t *out,
-                                    int8_t cos_bit, int bit) {
-  (void)bit;
+                                    int8_t cos_bit) {
   const int32_t *cospi = cospi_arr(cos_bit);
   int16x8_t step1[16], step2[16];
   const int16x4_t c0 = set_s16x4_neon((int16_t)cospi[32], (int16_t)cospi[32],
@@ -787,8 +778,7 @@
 }
 
 static INLINE void iadst16_neon(int16x8_t *const in, int16x8_t *out,
-                                int8_t cos_bit, int bit) {
-  (void)bit;
+                                int8_t cos_bit) {
   const int32_t *cospi = cospi_arr(cos_bit);
 
   const int16x4_t c0 = set_s16x4_neon((int16_t)cospi[2], (int16_t)cospi[62],
@@ -945,8 +935,7 @@
 }
 
 static INLINE void iadst16_low1_neon(int16x8_t *const in, int16x8_t *out,
-                                     int8_t cos_bit, int bit) {
-  (void)bit;
+                                     int8_t cos_bit) {
   const int32_t *cospi = cospi_arr(cos_bit);
   const int16x4_t c0 = set_s16x4_neon((int16_t)cospi[8], (int16_t)cospi[56],
                                       (int16_t)cospi[40], (int16_t)cospi[24]);
@@ -1037,8 +1026,7 @@
 }
 
 static INLINE void iadst16_low8_neon(int16x8_t *const in, int16x8_t *out,
-                                     int8_t cos_bit, int bit) {
-  (void)bit;
+                                     int8_t cos_bit) {
   const int32_t *cospi = cospi_arr(cos_bit);
 
   const int16x4_t c0 = set_s16x4_neon((int16_t)cospi[8], (int16_t)cospi[56],
@@ -1179,9 +1167,7 @@
   out[15] = vqnegq_s16(x[1]);
 }
 
-static INLINE void idct32_neon(int16x8_t *in, int16x8_t *out, int8_t cos_bit,
-                               int bit) {
-  (void)bit;
+static INLINE void idct32_neon(int16x8_t *in, int16x8_t *out, int8_t cos_bit) {
   const int32_t *cospi = cospi_arr(cos_bit);
   int16x8_t step1[32], step2[32];
 
@@ -1465,8 +1451,7 @@
 }
 
 static INLINE void idct32_low1_neon(int16x8_t *in, int16x8_t *out,
-                                    int8_t cos_bit, int bit) {
-  (void)bit;
+                                    int8_t cos_bit) {
   const int32_t *cospi = cospi_arr(cos_bit);
   int16x8_t step1;
   int32x4_t t32[2];
@@ -1522,8 +1507,7 @@
 }
 
 static INLINE void idct32_low8_neon(int16x8_t *in, int16x8_t *out,
-                                    int8_t cos_bit, int bit) {
-  (void)bit;
+                                    int8_t cos_bit) {
   const int32_t *cospi = cospi_arr(cos_bit);
   int16x8_t step1[32], step2[32];
   int32x4_t t32[16];
@@ -1769,8 +1753,7 @@
 }
 
 static INLINE void idct32_low16_neon(int16x8_t *in, int16x8_t *out,
-                                     int8_t cos_bit, int bit) {
-  (void)bit;
+                                     int8_t cos_bit) {
   const int32_t *cospi = cospi_arr(cos_bit);
   int16x8_t step1[32], step2[32];
   int32x4_t t32[16];
@@ -2166,8 +2149,7 @@
 }
 
 static INLINE void idct64_low32_neon(int16x8_t *in, int16x8_t *out,
-                                     int8_t cos_bit, int bit) {
-  (void)bit;
+                                     int8_t cos_bit) {
   const int32_t *cospi = cospi_arr(cos_bit);
   int16x8_t step2[64], step1[64];
   const int16x4_t c0 = set_s16x4_neon((int16_t)cospi[4], (int16_t)cospi[60],
@@ -2647,8 +2629,7 @@
 }
 
 static INLINE void idct64_low1_neon(int16x8_t *input, int16x8_t *out,
-                                    int8_t cos_bit, int bit) {
-  (void)bit;
+                                    int8_t cos_bit) {
   const int32_t *cospi = cospi_arr(cos_bit);
   int16x8_t step1;
   int32x4_t t32[2];
@@ -2737,8 +2718,7 @@
 }
 
 static INLINE void idct64_low8_neon(int16x8_t *in, int16x8_t *out,
-                                    int8_t cos_bit, int bit) {
-  (void)bit;
+                                    int8_t cos_bit) {
   const int32_t *cospi = cospi_arr(cos_bit);
   int16x8_t step2[64], step1[64];
 
@@ -3115,8 +3095,7 @@
 }
 
 static INLINE void idct64_low16_neon(int16x8_t *in, int16x8_t *out,
-                                     int8_t cos_bit, int bit) {
-  (void)bit;
+                                     int8_t cos_bit) {
   const int32_t *cospi = cospi_arr(cos_bit);
   int16x8_t step2[64], step1[64];
 
@@ -3692,7 +3671,7 @@
       int y = i * txfm_size_col;
       round_shift_for_rect(&a[y], &a[y], txfm_size_col);
     }
-    row_txfm(&a[i * txfm_size_col], &a[i * txfm_size_col], INV_COS_BIT, 0);
+    row_txfm(&a[i * txfm_size_col], &a[i * txfm_size_col], INV_COS_BIT);
     av1_round_shift_array_16_neon(&a[i * txfm_size_col], txfm_size_col,
                                   -shift[0]);
     if (lr_flip == 1) {
@@ -3775,7 +3754,7 @@
     temp_b += 8;
   }
   for (int j = 0; j < buf_size_w_div8; ++j) {
-    col_txfm(&b[j * txfm_size_row], &b[j * txfm_size_row], INV_COS_BIT, 0);
+    col_txfm(&b[j * txfm_size_row], &b[j * txfm_size_row], INV_COS_BIT);
     av1_round_shift_array_16_neon(&b[j * txfm_size_row], txfm_size_row,
                                   -shift[1]);
   }
@@ -4149,7 +4128,7 @@
       int y = i * txfm_size_col;
       round_shift_for_rect(&a[y], &a[y], input_stride);
     }
-    row_txfm(&a[i * txfm_size_col], &a[i * txfm_size_col], INV_COS_BIT, 0);
+    row_txfm(&a[i * txfm_size_col], &a[i * txfm_size_col], INV_COS_BIT);
     av1_round_shift_array_16_neon(&a[i * txfm_size_col], txfm_size_col,
                                   -shift[0]);
     if (lr_flip == 1) {
@@ -4169,7 +4148,7 @@
     }
   }
   for (int j = 0; j < buf_size_w_div8; ++j) {
-    col_txfm(&b[j * txfm_size_row], &b[j * txfm_size_row], INV_COS_BIT, 0);
+    col_txfm(&b[j * txfm_size_row], &b[j * txfm_size_row], INV_COS_BIT);
     av1_round_shift_array_16_neon(&b[j * txfm_size_row], txfm_size_row,
                                   -shift[1]);
   }
diff --git a/av1/common/arm/av1_inv_txfm_neon.h b/av1/common/arm/av1_inv_txfm_neon.h
index 9ec6582..97099c2 100644
--- a/av1/common/arm/av1_inv_txfm_neon.h
+++ b/av1/common/arm/av1_inv_txfm_neon.h
@@ -24,7 +24,7 @@
                                   const int8_t cos_bit,
                                   const int8_t *stage_ptr);
 typedef void (*transform_neon)(int16x8_t *input, int16x8_t *output,
-                               int8_t cos_bit, int bit);
+                               int8_t cos_bit);
 
 DECLARE_ALIGNED(16, static const int16_t, av1_eob_to_eobxy_8x8_default[8]) = {
   0x0707, 0x0707, 0x0707, 0x0707, 0x0707, 0x0707, 0x0707, 0x0707,