ref: 06a6b28d75fcc5b795e77c12ff88a7faf00455be
parent: 5e4d2548cf6ea5fbd5a7693f2fca970a876b6f62
author: Kaustubh Raste <kaustubh.raste@imgtec.com>
date: Fri Oct 7 11:48:31 EDT 2016
Optimize vp8 loopfilter msa functions Updated code to process in 8bit as saturation/clipping takes care of overflow Change-Id: I35fb2c0e702fd91309cc391c5a7745a3b619a64c
--- a/vp8/common/mips/msa/loopfilter_filters_msa.c
+++ b/vp8/common/mips/msa/loopfilter_filters_msa.c
@@ -24,208 +24,145 @@
mask = ((v16u8)mask <= b_limit); \
}
-#define VP8_LPF_FILTER4_4W(p1_in_out, p0_in_out, q0_in_out, q1_in_out, \
- mask_in, hev_in) \
- { \- v16i8 p1_m, p0_m, q0_m, q1_m, q0_sub_p0, filt_sign; \
- v16i8 filt, filt1, filt2, cnst4b, cnst3b; \
- v8i16 q0_sub_p0_r, q0_sub_p0_l, filt_l, filt_r, cnst3h; \
- \
- p1_m = (v16i8)__msa_xori_b(p1_in_out, 0x80); \
- p0_m = (v16i8)__msa_xori_b(p0_in_out, 0x80); \
- q0_m = (v16i8)__msa_xori_b(q0_in_out, 0x80); \
- q1_m = (v16i8)__msa_xori_b(q1_in_out, 0x80); \
- \
- filt = __msa_subs_s_b(p1_m, q1_m); \
- \
- filt = filt & (v16i8)hev_in; \
- \
- q0_sub_p0 = q0_m - p0_m; \
- filt_sign = __msa_clti_s_b(filt, 0); \
- \
- cnst3h = __msa_ldi_h(3); \
- q0_sub_p0_r = (v8i16)__msa_ilvr_b(q0_sub_p0, q0_sub_p0); \
- q0_sub_p0_r = __msa_dotp_s_h((v16i8)q0_sub_p0_r, (v16i8)cnst3h); \
- filt_r = (v8i16)__msa_ilvr_b(filt_sign, filt); \
- filt_r += q0_sub_p0_r; \
- filt_r = __msa_sat_s_h(filt_r, 7); \
- \
- q0_sub_p0_l = (v8i16)__msa_ilvl_b(q0_sub_p0, q0_sub_p0); \
- q0_sub_p0_l = __msa_dotp_s_h((v16i8)q0_sub_p0_l, (v16i8)cnst3h); \
- filt_l = (v8i16)__msa_ilvl_b(filt_sign, filt); \
- filt_l += q0_sub_p0_l; \
- filt_l = __msa_sat_s_h(filt_l, 7); \
- \
- filt = __msa_pckev_b((v16i8)filt_l, (v16i8)filt_r); \
- filt = filt & (v16i8)mask_in; \
- \
- cnst4b = __msa_ldi_b(4); \
- filt1 = __msa_adds_s_b(filt, cnst4b); \
- filt1 >>= 3; \
- \
- cnst3b = __msa_ldi_b(3); \
- filt2 = __msa_adds_s_b(filt, cnst3b); \
- filt2 >>= 3; \
- \
- q0_m = __msa_subs_s_b(q0_m, filt1); \
- q0_in_out = __msa_xori_b((v16u8)q0_m, 0x80); \
- p0_m = __msa_adds_s_b(p0_m, filt2); \
- p0_in_out = __msa_xori_b((v16u8)p0_m, 0x80); \
- \
- filt = __msa_srari_b(filt1, 1); \
- hev_in = __msa_xori_b((v16u8)hev_in, 0xff); \
- filt = filt & (v16i8)hev_in; \
- \
- q1_m = __msa_subs_s_b(q1_m, filt); \
- q1_in_out = __msa_xori_b((v16u8)q1_m, 0x80); \
- p1_m = __msa_adds_s_b(p1_m, filt); \
- p1_in_out = __msa_xori_b((v16u8)p1_m, 0x80); \
+#define VP8_LPF_FILTER4_4W(p1, p0, q0, q1, mask, hev) \
+ { \+ v16i8 p1_m, p0_m, q0_m, q1_m, filt, q0_sub_p0, t1, t2; \
+ const v16i8 cnst4b = __msa_ldi_b(4); \
+ const v16i8 cnst3b = __msa_ldi_b(3); \
+ \
+ p1_m = (v16i8)__msa_xori_b(p1, 0x80); \
+ p0_m = (v16i8)__msa_xori_b(p0, 0x80); \
+ q0_m = (v16i8)__msa_xori_b(q0, 0x80); \
+ q1_m = (v16i8)__msa_xori_b(q1, 0x80); \
+ \
+ filt = __msa_subs_s_b(p1_m, q1_m); \
+ filt &= hev; \
+ q0_sub_p0 = __msa_subs_s_b(q0_m, p0_m); \
+ filt = __msa_adds_s_b(filt, q0_sub_p0); \
+ filt = __msa_adds_s_b(filt, q0_sub_p0); \
+ filt = __msa_adds_s_b(filt, q0_sub_p0); \
+ filt &= mask; \
+ t1 = __msa_adds_s_b(filt, cnst4b); \
+ t1 >>= cnst3b; \
+ t2 = __msa_adds_s_b(filt, cnst3b); \
+ t2 >>= cnst3b; \
+ q0_m = __msa_subs_s_b(q0_m, t1); \
+ q0 = __msa_xori_b((v16u8)q0_m, 0x80); \
+ p0_m = __msa_adds_s_b(p0_m, t2); \
+ p0 = __msa_xori_b((v16u8)p0_m, 0x80); \
+ filt = __msa_srari_b(t1, 1); \
+ hev = __msa_xori_b(hev, 0xff); \
+ filt &= hev; \
+ q1_m = __msa_subs_s_b(q1_m, filt); \
+ q1 = __msa_xori_b((v16u8)q1_m, 0x80); \
+ p1_m = __msa_adds_s_b(p1_m, filt); \
+ p1 = __msa_xori_b((v16u8)p1_m, 0x80); \
}
-#define VP8_SIMPLE_FILT(p1_in, p0_in, q0_in, q1_in, mask) \
- { \- v16i8 p1_m, p0_m, q0_m, q1_m, q0_sub_p0, q0_sub_p0_sign; \
- v16i8 filt, filt1, filt2, cnst4b, cnst3b, filt_sign; \
- v8i16 q0_sub_p0_r, q0_sub_p0_l, filt_l, filt_r, cnst3h; \
- \
- p1_m = (v16i8)__msa_xori_b(p1_in, 0x80); \
- p0_m = (v16i8)__msa_xori_b(p0_in, 0x80); \
- q0_m = (v16i8)__msa_xori_b(q0_in, 0x80); \
- q1_m = (v16i8)__msa_xori_b(q1_in, 0x80); \
- \
- filt = __msa_subs_s_b(p1_m, q1_m); \
- \
- q0_sub_p0 = q0_m - p0_m; \
- filt_sign = __msa_clti_s_b(filt, 0); \
- \
- cnst3h = __msa_ldi_h(3); \
- q0_sub_p0_sign = __msa_clti_s_b(q0_sub_p0, 0); \
- q0_sub_p0_r = (v8i16)__msa_ilvr_b(q0_sub_p0_sign, q0_sub_p0); \
- q0_sub_p0_r *= cnst3h; \
- filt_r = (v8i16)__msa_ilvr_b(filt_sign, filt); \
- filt_r += q0_sub_p0_r; \
- filt_r = __msa_sat_s_h(filt_r, 7); \
- \
- q0_sub_p0_l = (v8i16)__msa_ilvl_b(q0_sub_p0_sign, q0_sub_p0); \
- q0_sub_p0_l *= cnst3h; \
- filt_l = (v8i16)__msa_ilvl_b(filt_sign, filt); \
- filt_l += q0_sub_p0_l; \
- filt_l = __msa_sat_s_h(filt_l, 7); \
- \
- filt = __msa_pckev_b((v16i8)filt_l, (v16i8)filt_r); \
- filt = filt & (v16i8)(mask); \
- \
- cnst4b = __msa_ldi_b(4); \
- filt1 = __msa_adds_s_b(filt, cnst4b); \
- filt1 >>= 3; \
- \
- cnst3b = __msa_ldi_b(3); \
- filt2 = __msa_adds_s_b(filt, cnst3b); \
- filt2 >>= 3; \
- \
- q0_m = __msa_subs_s_b(q0_m, filt1); \
- p0_m = __msa_adds_s_b(p0_m, filt2); \
- q0_in = __msa_xori_b((v16u8)q0_m, 0x80); \
- p0_in = __msa_xori_b((v16u8)p0_m, 0x80); \
+#define VP8_SIMPLE_FILT(p1_in, p0_in, q0_in, q1_in, mask) \
+ { \+ v16i8 p1_m, p0_m, q0_m, q1_m, filt, filt1, filt2; \
+ v16i8 q0_sub_p0; \
+ const v16i8 cnst4b = __msa_ldi_b(4); \
+ const v16i8 cnst3b = __msa_ldi_b(3); \
+ \
+ p1_m = (v16i8)__msa_xori_b(p1_in, 0x80); \
+ p0_m = (v16i8)__msa_xori_b(p0_in, 0x80); \
+ q0_m = (v16i8)__msa_xori_b(q0_in, 0x80); \
+ q1_m = (v16i8)__msa_xori_b(q1_in, 0x80); \
+ \
+ filt = __msa_subs_s_b(p1_m, q1_m); \
+ q0_sub_p0 = __msa_subs_s_b(q0_m, p0_m); \
+ filt = __msa_adds_s_b(filt, q0_sub_p0); \
+ filt = __msa_adds_s_b(filt, q0_sub_p0); \
+ filt = __msa_adds_s_b(filt, q0_sub_p0); \
+ filt &= mask; \
+ filt1 = __msa_adds_s_b(filt, cnst4b); \
+ filt1 >>= cnst3b; \
+ filt2 = __msa_adds_s_b(filt, cnst3b); \
+ filt2 >>= cnst3b; \
+ q0_m = __msa_subs_s_b(q0_m, filt1); \
+ p0_m = __msa_adds_s_b(p0_m, filt2); \
+ q0_in = __msa_xori_b((v16u8)q0_m, 0x80); \
+ p0_in = __msa_xori_b((v16u8)p0_m, 0x80); \
}
-#define VP8_MBFILTER(p2, p1, p0, q0, q1, q2, mask, hev) \
- { \- v16i8 p2_m, p1_m, p0_m, q2_m, q1_m, q0_m; \
- v16i8 filt, q0_sub_p0, cnst4b, cnst3b; \
- v16i8 u, filt1, filt2, filt_sign, q0_sub_p0_sign; \
- v8i16 q0_sub_p0_r, q0_sub_p0_l, filt_r, u_r, u_l, filt_l; \
- v8i16 cnst3h, cnst27h, cnst18h, cnst63h; \
- \
- cnst3h = __msa_ldi_h(3); \
- \
- p2_m = (v16i8)__msa_xori_b(p2, 0x80); \
- p1_m = (v16i8)__msa_xori_b(p1, 0x80); \
- p0_m = (v16i8)__msa_xori_b(p0, 0x80); \
- q0_m = (v16i8)__msa_xori_b(q0, 0x80); \
- q1_m = (v16i8)__msa_xori_b(q1, 0x80); \
- q2_m = (v16i8)__msa_xori_b(q2, 0x80); \
- \
- filt = __msa_subs_s_b(p1_m, q1_m); \
- q0_sub_p0 = q0_m - p0_m; \
- q0_sub_p0_sign = __msa_clti_s_b(q0_sub_p0, 0); \
- filt_sign = __msa_clti_s_b(filt, 0); \
- \
- q0_sub_p0_r = (v8i16)__msa_ilvr_b(q0_sub_p0_sign, q0_sub_p0); \
- q0_sub_p0_r *= cnst3h; \
- filt_r = (v8i16)__msa_ilvr_b(filt_sign, filt); \
- filt_r = filt_r + q0_sub_p0_r; \
- filt_r = __msa_sat_s_h(filt_r, 7); \
- \
- q0_sub_p0_l = (v8i16)__msa_ilvl_b(q0_sub_p0_sign, q0_sub_p0); \
- q0_sub_p0_l *= cnst3h; \
- filt_l = (v8i16)__msa_ilvl_b(filt_sign, filt); \
- filt_l = filt_l + q0_sub_p0_l; \
- filt_l = __msa_sat_s_h(filt_l, 7); \
- \
- filt = __msa_pckev_b((v16i8)filt_l, (v16i8)filt_r); \
- filt = filt & (v16i8)mask; \
- filt2 = filt & (v16i8)hev; \
- \
- hev = __msa_xori_b(hev, 0xff); \
- filt = filt & (v16i8)hev; \
- cnst4b = __msa_ldi_b(4); \
- filt1 = __msa_adds_s_b(filt2, cnst4b); \
- filt1 >>= 3; \
- cnst3b = __msa_ldi_b(3); \
- filt2 = __msa_adds_s_b(filt2, cnst3b); \
- filt2 >>= 3; \
- q0_m = __msa_subs_s_b(q0_m, filt1); \
- p0_m = __msa_adds_s_b(p0_m, filt2); \
- \
- filt_sign = __msa_clti_s_b(filt, 0); \
- ILVRL_B2_SH(filt_sign, filt, filt_r, filt_l); \
- \
- cnst27h = __msa_ldi_h(27); \
- cnst63h = __msa_ldi_h(63); \
- \
- u_r = filt_r * cnst27h; \
- u_r += cnst63h; \
- u_r >>= 7; \
- u_r = __msa_sat_s_h(u_r, 7); \
- u_l = filt_l * cnst27h; \
- u_l += cnst63h; \
- u_l >>= 7; \
- u_l = __msa_sat_s_h(u_l, 7); \
- u = __msa_pckev_b((v16i8)u_l, (v16i8)u_r); \
- q0_m = __msa_subs_s_b(q0_m, u); \
- q0 = __msa_xori_b((v16u8)q0_m, 0x80); \
- p0_m = __msa_adds_s_b(p0_m, u); \
- p0 = __msa_xori_b((v16u8)p0_m, 0x80); \
- cnst18h = __msa_ldi_h(18); \
- u_r = filt_r * cnst18h; \
- u_r += cnst63h; \
- u_r >>= 7; \
- u_r = __msa_sat_s_h(u_r, 7); \
- \
- u_l = filt_l * cnst18h; \
- u_l += cnst63h; \
- u_l >>= 7; \
- u_l = __msa_sat_s_h(u_l, 7); \
- u = __msa_pckev_b((v16i8)u_l, (v16i8)u_r); \
- q1_m = __msa_subs_s_b(q1_m, u); \
- q1 = __msa_xori_b((v16u8)q1_m, 0x80); \
- p1_m = __msa_adds_s_b(p1_m, u); \
- p1 = __msa_xori_b((v16u8)p1_m, 0x80); \
- u_r = filt_r << 3; \
- u_r += filt_r + cnst63h; \
- u_r >>= 7; \
- u_r = __msa_sat_s_h(u_r, 7); \
- \
- u_l = filt_l << 3; \
- u_l += filt_l + cnst63h; \
- u_l >>= 7; \
- u_l = __msa_sat_s_h(u_l, 7); \
- u = __msa_pckev_b((v16i8)u_l, (v16i8)u_r); \
- q2_m = __msa_subs_s_b(q2_m, u); \
- q2 = __msa_xori_b((v16u8)q2_m, 0x80); \
- p2_m = __msa_adds_s_b(p2_m, u); \
- p2 = __msa_xori_b((v16u8)p2_m, 0x80); \
+#define VP8_MBFILTER(p2, p1, p0, q0, q1, q2, mask, hev) \
+ { \+ v16i8 p2_m, p1_m, p0_m, q2_m, q1_m, q0_m; \
+ v16i8 u, filt, t1, t2, filt_sign, q0_sub_p0; \
+ v8i16 filt_r, filt_l, u_r, u_l; \
+ v8i16 temp0, temp1, temp2, temp3; \
+ const v16i8 cnst4b = __msa_ldi_b(4); \
+ const v16i8 cnst3b = __msa_ldi_b(3); \
+ const v8i16 cnst9h = __msa_ldi_h(9); \
+ const v8i16 cnst63h = __msa_ldi_h(63); \
+ \
+ p2_m = (v16i8)__msa_xori_b(p2, 0x80); \
+ p1_m = (v16i8)__msa_xori_b(p1, 0x80); \
+ p0_m = (v16i8)__msa_xori_b(p0, 0x80); \
+ q0_m = (v16i8)__msa_xori_b(q0, 0x80); \
+ q1_m = (v16i8)__msa_xori_b(q1, 0x80); \
+ q2_m = (v16i8)__msa_xori_b(q2, 0x80); \
+ \
+ filt = __msa_subs_s_b(p1_m, q1_m); \
+ q0_sub_p0 = __msa_subs_s_b(q0_m, p0_m); \
+ filt = __msa_adds_s_b(filt, q0_sub_p0); \
+ filt = __msa_adds_s_b(filt, q0_sub_p0); \
+ filt = __msa_adds_s_b(filt, q0_sub_p0); \
+ filt &= mask; \
+ \
+ t2 = filt & hev; \
+ hev = __msa_xori_b(hev, 0xff); \
+ filt &= hev; \
+ t1 = __msa_adds_s_b(t2, cnst4b); \
+ t1 >>= cnst3b; \
+ t2 = __msa_adds_s_b(t2, cnst3b); \
+ t2 >>= cnst3b; \
+ q0_m = __msa_subs_s_b(q0_m, t1); \
+ p0_m = __msa_adds_s_b(p0_m, t2); \
+ filt_sign = __msa_clti_s_b(filt, 0); \
+ ILVRL_B2_SH(filt_sign, filt, filt_r, filt_l); \
+ temp0 = filt_r * cnst9h; \
+ temp1 = temp0 + cnst63h; \
+ temp2 = filt_l * cnst9h; \
+ temp3 = temp2 + cnst63h; \
+ \
+ u_r = temp1 >> 7; \
+ u_r = __msa_sat_s_h(u_r, 7); \
+ u_l = temp3 >> 7; \
+ u_l = __msa_sat_s_h(u_l, 7); \
+ u = __msa_pckev_b((v16i8)u_l, (v16i8)u_r); \
+ q2_m = __msa_subs_s_b(q2_m, u); \
+ p2_m = __msa_adds_s_b(p2_m, u); \
+ q2 = __msa_xori_b((v16u8)q2_m, 0x80); \
+ p2 = __msa_xori_b((v16u8)p2_m, 0x80); \
+ \
+ temp1 += temp0; \
+ temp3 += temp2; \
+ \
+ u_r = temp1 >> 7; \
+ u_r = __msa_sat_s_h(u_r, 7); \
+ u_l = temp3 >> 7; \
+ u_l = __msa_sat_s_h(u_l, 7); \
+ u = __msa_pckev_b((v16i8)u_l, (v16i8)u_r); \
+ q1_m = __msa_subs_s_b(q1_m, u); \
+ p1_m = __msa_adds_s_b(p1_m, u); \
+ q1 = __msa_xori_b((v16u8)q1_m, 0x80); \
+ p1 = __msa_xori_b((v16u8)p1_m, 0x80); \
+ \
+ temp1 += temp0; \
+ temp3 += temp2; \
+ \
+ u_r = temp1 >> 7; \
+ u_r = __msa_sat_s_h(u_r, 7); \
+ u_l = temp3 >> 7; \
+ u_l = __msa_sat_s_h(u_l, 7); \
+ u = __msa_pckev_b((v16i8)u_l, (v16i8)u_r); \
+ q0_m = __msa_subs_s_b(q0_m, u); \
+ p0_m = __msa_adds_s_b(p0_m, u); \
+ q0 = __msa_xori_b((v16u8)q0_m, 0x80); \
+ p0 = __msa_xori_b((v16u8)p0_m, 0x80); \
}
#define LPF_MASK_HEV(p3_in, p2_in, p1_in, p0_in, q0_in, q1_in, q2_in, q3_in, \