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neon: add INIT_VECTOR4

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used to initialize NxMx4 vector types
replaces initialization via '{{ }}' gnu-ism.

Change-Id: I0da7b3d321f3d48579b7863fb2e4d3f449ae7f5e
This commit is contained in:
James Zern
2014-06-29 13:40:45 -07:00
parent 6c1c632b03
commit bc03670f01
5 changed files with 53 additions and 29 deletions
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17
src/dsp/enc_neon.c
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@ -479,9 +479,11 @@ static void FTransform(const uint8_t* src, const uint8_t* ref,
} while (0)
static void FTransformWHT(const int16_t* src, int16_t* out) {
int32x4x4_t tmp0;
const int stride = 16;
int16x4x4_t in = {{{0}, {0}, {0}, {0}}};
const int16x4_t zero = vdup_n_s16(0);
int32x4x4_t tmp0;
int16x4x4_t in;
INIT_VECTOR4(in, zero, zero, zero, zero);
LOAD_LANE_16b(in.val[0], 0);
LOAD_LANE_16b(in.val[1], 0);
LOAD_LANE_16b(in.val[2], 0);
@ -1010,11 +1012,12 @@ static int QuantizeBlock(int16_t in[16], int16_t out[16],
const VP8Matrix* const mtx) {
const int16x8_t out0 = Quantize(in, mtx, 0);
const int16x8_t out1 = Quantize(in, mtx, 8);
const uint8x8x4_t all_out = {{
vreinterpret_u8_s16(vget_low_s16(out0)),
vreinterpret_u8_s16(vget_high_s16(out0)),
vreinterpret_u8_s16(vget_low_s16(out1)),
vreinterpret_u8_s16(vget_high_s16(out1)) }};
uint8x8x4_t all_out;
INIT_VECTOR4(all_out,
vreinterpret_u8_s16(vget_low_s16(out0)),
vreinterpret_u8_s16(vget_high_s16(out0)),
vreinterpret_u8_s16(vget_low_s16(out1)),
vreinterpret_u8_s16(vget_high_s16(out1)));
// Zigzag reordering
vst1_u8((uint8_t*)(out + 0), vtbl4_u8(all_out, vld1_u8(kShuffles[0])));
vst1_u8((uint8_t*)(out + 4), vtbl4_u8(all_out, vld1_u8(kShuffles[1])));