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dec_neon: use vst_lane instead of vget_lane

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results in fewer instructions, small speed improvement

Change-Id: I98de632d09ff09f295368c0d744cb4397b585084
This commit is contained in:
James Zern 2014-04-03 14:56:26 -07:00
parent bf06105293
commit 71bca5ecf3
1 changed files with 4 additions and 4 deletions
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8
src/dsp/dec_neon.c
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@ -566,10 +566,10 @@ static WEBP_INLINE void SaturateAndStore4x4(uint8_t* const dst,
const uint8x8_t dst23_u8 = vqmovun_s16(dst23);
// Store the results.
*(uint32_t*)(dst + 0 * BPS) = vget_lane_s32(vreinterpret_s32_u8(dst01_u8), 0);
*(uint32_t*)(dst + 1 * BPS) = vget_lane_s32(vreinterpret_s32_u8(dst01_u8), 1);
*(uint32_t*)(dst + 2 * BPS) = vget_lane_s32(vreinterpret_s32_u8(dst23_u8), 0);
*(uint32_t*)(dst + 3 * BPS) = vget_lane_s32(vreinterpret_s32_u8(dst23_u8), 1);
vst1_lane_u32((uint32_t*)(dst + 0 * BPS), vreinterpret_u32_u8(dst01_u8), 0);
vst1_lane_u32((uint32_t*)(dst + 1 * BPS), vreinterpret_u32_u8(dst01_u8), 1);
vst1_lane_u32((uint32_t*)(dst + 2 * BPS), vreinterpret_u32_u8(dst23_u8), 0);
vst1_lane_u32((uint32_t*)(dst + 3 * BPS), vreinterpret_u32_u8(dst23_u8), 1);
}
static WEBP_INLINE void Add4x4(const int16x8_t row01, const int16x8_t row23,