dany/libwebp
1
0
Fork 0
mirror of https://github.com/webmproject/libwebp.git synced 2024-12-27 06:08:21 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity

dec_neon/TransformAC3: initialize vector w/vcreate

Browse Source 
replaces {} initialization gnu-ism

Change-Id: I5bedcba1a9c21883207301f07456cc6a843199a0
This commit is contained in:
James Zern 2014-07-11 00:15:02 -07:00
parent bb4fc051bf
commit c76f07ecc2
1 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
src/dsp/dec_neon.c
View File

@ -1246,7 +1246,11 @@ static void TransformAC3(const int16_t* in, uint8_t* dst) {
const int16x4_t d4 = vdup_n_s16(MUL(in[4], kC1_full));
const int c1 = MUL(in[1], kC2_full);
const int d1 = MUL(in[1], kC1_full);
const int16x4_t CD = { d1, c1, -c1, -d1 };
const uint64_t cd = (uint64_t)( d1 & 0xffff) << 0 |
(uint64_t)( c1 & 0xffff) << 16 |
(uint64_t)(-c1 & 0xffff) << 32 |
(uint64_t)(-d1 & 0xffff) << 48;
const int16x4_t CD = vcreate_s16(cd);
const int16x4_t B = vqadd_s16(A, CD);
const int16x8_t m0_m1 = vcombine_s16(vqadd_s16(B, d4), vqadd_s16(B, c4));
const int16x8_t m2_m3 = vcombine_s16(vqsub_s16(B, c4), vqsub_s16(B, d4));