From c33e07f78982acfb0574a84fb523f8591e55c50e Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Sun, 11 Sep 2022 19:46:28 -0700
Subject: [PATCH] subpel_variance_neon: Provide prototypes for missing
 functions

Fixes build with clang-15
aom_dsp/arm/subpel_variance_neon.c:121:10: error: call to undeclared function 'aom_variance8x8_neon'; ISO C99 and later do not support implicit function dec
larations [-Wimplicit-function-declaration]
|   return aom_variance8x8_neon(temp2, 8, dst, dst_stride, sse);
|          ^

Upstream-Status: Pending
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
 aom_dsp/arm/subpel_variance_neon.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/aom_dsp/arm/subpel_variance_neon.c b/aom_dsp/arm/subpel_variance_neon.c
index 4ecf891cbeb..859168ea0c5 100644
--- a/aom_dsp/arm/subpel_variance_neon.c
+++ b/aom_dsp/arm/subpel_variance_neon.c
@@ -20,6 +20,22 @@
 #include "aom_dsp/aom_filter.h"
 #include "aom_dsp/variance.h"
 
+extern unsigned int aom_variance8x8_neon(const uint8_t *a, int a_stride,
+                                         const uint8_t *b, int b_stride,
+                                         unsigned int *sse);
+
+extern unsigned int aom_variance16x16_neon(const uint8_t *a, int a_stride,
+                                         const uint8_t *b, int b_stride,
+                                         unsigned int *sse);
+
+extern unsigned int aom_variance32x32_neon(const uint8_t *a, int a_stride,
+                                         const uint8_t *b, int b_stride,
+                                         unsigned int *sse);
+
+extern unsigned int aom_variance64x64_neon(const uint8_t *a, int a_stride,
+                                         const uint8_t *b, int b_stride,
+                                         unsigned int *sse);
+
 // Load 2 sets of 4 bytes when alignment is not guaranteed.
 static INLINE uint8x8_t load_unaligned_u8(const uint8_t *buf, int stride) {
   uint32_t a;
-- 
2.37.3