SIGNED_SHIFT_N    355 third_party/libwebp/dsp/dec_sse2.c   SIGNED_SHIFT_N(v4, 3);                /* v4 >> 3  */                         \
SIGNED_SHIFT_N    359 third_party/libwebp/dsp/dec_sse2.c   SIGNED_SHIFT_N(v3, 3);                /* v3 >> 3  */                         \
SIGNED_SHIFT_N    439 third_party/libwebp/dsp/dec_sse2.c   SIGNED_SHIFT_N(t2, 3);             // (3 * (q0 - p0) + hev(p1 - q1) + 4) >> 3
SIGNED_SHIFT_N    446 third_party/libwebp/dsp/dec_sse2.c   SIGNED_SHIFT_N(t2, 3);             // (3 * (q0 - p0) + hev(p1 - q1) + 3) >> 3
SIGNED_SHIFT_N    451 third_party/libwebp/dsp/dec_sse2.c   SIGNED_SHIFT_N(t3, 1);             // (3 * (q0 - p0) + hev(p1 - q1) + 4) >> 4