Index: source/row_neon.cc |
diff --git a/source/row_neon.cc b/source/row_neon.cc |
index 5b4ff3b5a889977e031a78f593daed9e59721ff3..13fe95cb7c59bdd0581648c1bb02b65f8da9814a 100644 |
--- a/source/row_neon.cc |
+++ b/source/row_neon.cc |
@@ -1374,55 +1374,6 @@ void ARGBToUV444Row_NEON(const uint8* src_argb, uint8* dst_u, uint8* dst_v, |
); |
} |
-// 16x1 pixels -> 8x1. width is number of argb pixels. e.g. 16. |
-void ARGBToUV422Row_NEON(const uint8* src_argb, uint8* dst_u, uint8* dst_v, |
- int width) { |
- asm volatile ( |
- "vmov.s16 q10, #112 / 2 \n" // UB / VR 0.875 coefficient |
- "vmov.s16 q11, #74 / 2 \n" // UG -0.5781 coefficient |
- "vmov.s16 q12, #38 / 2 \n" // UR -0.2969 coefficient |
- "vmov.s16 q13, #18 / 2 \n" // VB -0.1406 coefficient |
- "vmov.s16 q14, #94 / 2 \n" // VG -0.7344 coefficient |
- "vmov.u16 q15, #0x8080 \n" // 128.5 |
- "1: \n" |
- MEMACCESS(0) |
- "vld4.8 {d0, d2, d4, d6}, [%0]! \n" // load 8 ARGB pixels. |
- MEMACCESS(0) |
- "vld4.8 {d1, d3, d5, d7}, [%0]! \n" // load next 8 ARGB pixels. |
- |
- "vpaddl.u8 q0, q0 \n" // B 16 bytes -> 8 shorts. |
- "vpaddl.u8 q1, q1 \n" // G 16 bytes -> 8 shorts. |
- "vpaddl.u8 q2, q2 \n" // R 16 bytes -> 8 shorts. |
- |
- "subs %3, %3, #16 \n" // 16 processed per loop. |
- "vmul.s16 q8, q0, q10 \n" // B |
- "vmls.s16 q8, q1, q11 \n" // G |
- "vmls.s16 q8, q2, q12 \n" // R |
- "vadd.u16 q8, q8, q15 \n" // +128 -> unsigned |
- |
- "vmul.s16 q9, q2, q10 \n" // R |
- "vmls.s16 q9, q1, q14 \n" // G |
- "vmls.s16 q9, q0, q13 \n" // B |
- "vadd.u16 q9, q9, q15 \n" // +128 -> unsigned |
- |
- "vqshrn.u16 d0, q8, #8 \n" // 16 bit to 8 bit U |
- "vqshrn.u16 d1, q9, #8 \n" // 16 bit to 8 bit V |
- |
- MEMACCESS(1) |
- "vst1.8 {d0}, [%1]! \n" // store 8 pixels U. |
- MEMACCESS(2) |
- "vst1.8 {d1}, [%2]! \n" // store 8 pixels V. |
- "bgt 1b \n" |
- : "+r"(src_argb), // %0 |
- "+r"(dst_u), // %1 |
- "+r"(dst_v), // %2 |
- "+r"(width) // %3 |
- : |
- : "cc", "memory", "q0", "q1", "q2", "q3", |
- "q8", "q9", "q10", "q11", "q12", "q13", "q14", "q15" |
- ); |
-} |
- |
// 32x1 pixels -> 8x1. width is number of argb pixels. e.g. 32. |
void ARGBToUV411Row_NEON(const uint8* src_argb, uint8* dst_u, uint8* dst_v, |
int width) { |