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NEON speed up

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add TransformDC special case, and make the switch function inlined.
Recovers a few of the CPU lost during the addition of TransformAC3
(only on ARM)

Change-Id: I21c1f0c6a9cb9d1dfc1e307b4f473a2791273bd6
This commit is contained in:
skal
2013-12-18 22:32:58 +01:00
parent d49345533f
commit 26d842eb8f
2 changed files with 39 additions and 6 deletions
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2
src/dec/frame.c
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@ -671,7 +671,7 @@ static void Copy32b(uint8_t* dst, uint8_t* src) {
memcpy(dst, src, 4);
}
static void DoTransform(uint32_t bits, const int16_t* const src,
static WEBP_INLINE void DoTransform(uint32_t bits, const int16_t* const src,
uint8_t* const dst) {
switch (bits >> 30) {
case 3: