static uint8x8_t paeth(uint8x8_t a, uint8x8_t b, uint8x8_t c) { uint8x8_t d, e; uint16x8_t p1, pa, pb, pc; p1 = vaddl_u8(a, b); /* a + b */ pc = vaddl_u8(c, c); /* c * 2 */ pa = vabdl_u8(b, c); /* pa */ pb = vabdl_u8(a, c); /* pb */ pc = vabdq_u16(p1, pc); /* pc */ p1 = vcleq_u16(pa, pb); /* pa <= pb */ pa = vcleq_u16(pa, pc); /* pa <= pc */ pb = vcleq_u16(pb, pc); /* pb <= pc */ p1 = vandq_u16(p1, pa); /* pa <= pb && pa <= pc */ d = vmovn_u16(pb); e = vmovn_u16(p1); d = vbsl_u8(d, b, c); e = vbsl_u8(e, a, d); return e; }
void test_vandQu16 (void) { uint16x8_t out_uint16x8_t; uint16x8_t arg0_uint16x8_t; uint16x8_t arg1_uint16x8_t; out_uint16x8_t = vandq_u16 (arg0_uint16x8_t, arg1_uint16x8_t); }
uint16x8_t test_vandq_u16(uint16x8_t a, uint16x8_t b) { // CHECK-LABEL: test_vandq_u16 return vandq_u16(a, b); // CHECK: and {{v[0-9]+}}.16b, {{v[0-9]+}}.16b, {{v[0-9]+}}.16b }
inline uint16x8_t vandq(const uint16x8_t & v0, const uint16x8_t & v1) { return vandq_u16(v0, v1); }
int neon_new(DATA32* _p0, DATA32* _p1, DATA32* _p2, DATA32* _p3, DATA32* _ax, DATA32 _ay, DATA32* result, int len) { int ay = _ay; int i; DATA32* pbuf = result; uint16x4_t ay_16x4; uint16x4_t p0_16x4; uint16x4_t p2_16x4; uint16x8_t ax_16x8; uint16x8_t p0_p2_16x8; uint16x8_t p1_p3_16x8; uint16x8_t x255_16x8; uint32x2_t p0_p2_32x2; uint32x2_t p1_p3_32x2; uint32x2_t res_32x2; uint8x8_t p0_p2_8x8; uint8x8_t p1_p3_8x8; uint8x8_t p2_8x8; uint16x4_t temp_16x4; ay_16x4 = vdup_n_u16(ay); x255_16x8 = vdupq_n_u16(0xff); for(i = 0; i < len; i++) { DATA32 p0 = *_p0++; DATA32 p1 = *_p1++; DATA32 p2 = *_p2++; DATA32 p3 = *_p3++; int ax = *_ax++; if (p0 | p1 | p2 | p3) { ax_16x8 = vdupq_n_u16(ax); p0_p2_32x2 = vset_lane_u32(p0, p0_p2_32x2, 0); p0_p2_32x2 = vset_lane_u32(p2, p0_p2_32x2, 1); p1_p3_32x2 = vset_lane_u32(p1, p1_p3_32x2, 0); p1_p3_32x2 = vset_lane_u32(p3, p1_p3_32x2, 1); p0_p2_8x8 = vreinterpret_u8_u32(p0_p2_32x2); p1_p3_8x8 = vreinterpret_u8_u32(p1_p3_32x2); p1_p3_16x8 = vmovl_u8(p1_p3_8x8); p0_p2_16x8 = vmovl_u8(p0_p2_8x8); p1_p3_16x8 = vsubq_u16(p1_p3_16x8, p0_p2_16x8); p1_p3_16x8 = vmulq_u16(p1_p3_16x8, ax_16x8); p1_p3_16x8 = vshrq_n_u16(p1_p3_16x8, 8); p1_p3_16x8 = vaddq_u16(p1_p3_16x8, p0_p2_16x8); p1_p3_16x8 = vandq_u16(p1_p3_16x8, x255_16x8); p0_16x4 = vget_low_u16(p1_p3_16x8); p2_16x4 = vget_high_u16(p1_p3_16x8); p2_16x4 = vsub_u16(p2_16x4, p0_16x4); p2_16x4 = vmul_u16(p2_16x4, ay_16x4); p2_16x4 = vshr_n_u16(p2_16x4, 8); p2_16x4 = vadd_u16(p2_16x4, p0_16x4); p1_p3_16x8 = vcombine_u16(temp_16x4, p2_16x4); p2_8x8 = vmovn_u16(p1_p3_16x8); res_32x2 = vreinterpret_u32_u8(p2_8x8); vst1_lane_u32(pbuf++, res_32x2, 1); } else *pbuf++ = p0; } return 0; }