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avcodec/mips: Reduced conditional cases in avc inter lpf msa functions 

Signed-off-by: Kaustubh Raste <kaustubh.raste@imgtec.com>
Reviewed-by: Manojkumar Bhosale <Manojkumar.Bhosale@imgtec.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
tags/n3.4
Kaustubh Raste Michael Niedermayer 8 years ago
parent
b5da07d434
commit
bba9c1c6bb
1 changed files with 110 additions and 164 deletions
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  1. +110
    -164
      libavcodec/mips/h264dsp_msa.c

+ 110
- 164
libavcodec/mips/h264dsp_msa.c View File

@@ -1250,21 +1250,7 @@ static void avc_loopfilter_luma_inter_edge_ver_msa(uint8_t *data,
uint8_t beta_in,
uint32_t img_width)
{
uint8_t *src;
v16u8 beta, tmp_vec, bs = { 0 };
v16u8 tc = { 0 };
v16u8 is_less_than, is_less_than_beta;
v16u8 p1, p0, q0, q1;
v8i16 p0_r, q0_r, p1_r = { 0 };
v8i16 q1_r = { 0 };
v8i16 p0_l, q0_l, p1_l = { 0 };
v8i16 q1_l = { 0 };
v16u8 p3_org, p2_org, p1_org, p0_org, q0_org, q1_org, q2_org, q3_org;
v8i16 p2_org_r, p1_org_r, p0_org_r, q0_org_r, q1_org_r, q2_org_r;
v8i16 p2_org_l, p1_org_l, p0_org_l, q0_org_l, q1_org_l, q2_org_l;
v8i16 tc_r, tc_l;
v16i8 zero = { 0 };
v16u8 is_bs_greater_than0;
v16u8 tmp_vec, bs = { 0 };

tmp_vec = (v16u8) __msa_fill_b(bs0);
bs = (v16u8) __msa_insve_w((v4i32) bs, 0, (v4i32) tmp_vec);
@@ -1276,6 +1262,14 @@ static void avc_loopfilter_luma_inter_edge_ver_msa(uint8_t *data,
bs = (v16u8) __msa_insve_w((v4i32) bs, 3, (v4i32) tmp_vec);

if (!__msa_test_bz_v(bs)) {
uint8_t *src = data - 4;
v16u8 p3_org, p2_org, p1_org, p0_org, q0_org, q1_org, q2_org, q3_org;
v16u8 p0_asub_q0, p1_asub_p0, q1_asub_q0, alpha, beta;
v16u8 is_less_than, is_less_than_beta, is_less_than_alpha;
v16u8 is_bs_greater_than0;
v16u8 tc = { 0 };
v16i8 zero = { 0 };

tmp_vec = (v16u8) __msa_fill_b(tc0);
tc = (v16u8) __msa_insve_w((v4i32) tc, 0, (v4i32) tmp_vec);
tmp_vec = (v16u8) __msa_fill_b(tc1);
@@ -1291,9 +1285,6 @@ static void avc_loopfilter_luma_inter_edge_ver_msa(uint8_t *data,
v16u8 row0, row1, row2, row3, row4, row5, row6, row7;
v16u8 row8, row9, row10, row11, row12, row13, row14, row15;

src = data;
src -= 4;

LD_UB8(src, img_width,
row0, row1, row2, row3, row4, row5, row6, row7);
src += (8 * img_width);
@@ -1306,27 +1297,28 @@ static void avc_loopfilter_luma_inter_edge_ver_msa(uint8_t *data,
p3_org, p2_org, p1_org, p0_org,
q0_org, q1_org, q2_org, q3_org);
}
{
v16u8 p0_asub_q0, p1_asub_p0, q1_asub_q0, alpha;
v16u8 is_less_than_alpha;

p0_asub_q0 = __msa_asub_u_b(p0_org, q0_org);
p1_asub_p0 = __msa_asub_u_b(p1_org, p0_org);
q1_asub_q0 = __msa_asub_u_b(q1_org, q0_org);

alpha = (v16u8) __msa_fill_b(alpha_in);
beta = (v16u8) __msa_fill_b(beta_in);

is_less_than_alpha = (p0_asub_q0 < alpha);
is_less_than_beta = (p1_asub_p0 < beta);
is_less_than = is_less_than_beta & is_less_than_alpha;
is_less_than_beta = (q1_asub_q0 < beta);
is_less_than = is_less_than_beta & is_less_than;
is_less_than = is_less_than & is_bs_greater_than0;
}

p0_asub_q0 = __msa_asub_u_b(p0_org, q0_org);
p1_asub_p0 = __msa_asub_u_b(p1_org, p0_org);
q1_asub_q0 = __msa_asub_u_b(q1_org, q0_org);

alpha = (v16u8) __msa_fill_b(alpha_in);
beta = (v16u8) __msa_fill_b(beta_in);

is_less_than_alpha = (p0_asub_q0 < alpha);
is_less_than_beta = (p1_asub_p0 < beta);
is_less_than = is_less_than_beta & is_less_than_alpha;
is_less_than_beta = (q1_asub_q0 < beta);
is_less_than = is_less_than_beta & is_less_than;
is_less_than = is_less_than & is_bs_greater_than0;

if (!__msa_test_bz_v(is_less_than)) {
v16i8 negate_tc, sign_negate_tc;
v8i16 negate_tc_r, i16_negatetc_l;
v16u8 p0, q0, p2_asub_p0, q2_asub_q0;
v8i16 tc_r, tc_l, negate_tc_r, i16_negatetc_l;
v8i16 p1_org_r, p0_org_r, q0_org_r, q1_org_r;
v8i16 p1_org_l, p0_org_l, q0_org_l, q1_org_l;
v8i16 p0_r, q0_r, p0_l, q0_l;

negate_tc = zero - (v16i8) tc;
sign_negate_tc = __msa_clti_s_b(negate_tc, 0);
@@ -1338,34 +1330,22 @@ static void avc_loopfilter_luma_inter_edge_ver_msa(uint8_t *data,
UNPCK_UB_SH(p0_org, p0_org_r, p0_org_l);
UNPCK_UB_SH(q0_org, q0_org_r, q0_org_l);

{
v16u8 p2_asub_p0;
v16u8 is_less_than_beta_r, is_less_than_beta_l;

p2_asub_p0 = __msa_asub_u_b(p2_org, p0_org);
is_less_than_beta = (p2_asub_p0 < beta);
is_less_than_beta = is_less_than_beta & is_less_than;

is_less_than_beta_r =
(v16u8) __msa_sldi_b((v16i8) is_less_than_beta, zero, 8);
if (!__msa_test_bz_v(is_less_than_beta_r)) {
p2_org_r = (v8i16) __msa_ilvr_b(zero, (v16i8) p2_org);

AVC_LPF_P1_OR_Q1(p0_org_r, q0_org_r, p1_org_r, p2_org_r,
negate_tc_r, tc_r, p1_r);
}

is_less_than_beta_l =
(v16u8) __msa_sldi_b(zero, (v16i8) is_less_than_beta, 8);
if (!__msa_test_bz_v(is_less_than_beta_l)) {
p2_org_l = (v8i16) __msa_ilvl_b(zero, (v16i8) p2_org);

AVC_LPF_P1_OR_Q1(p0_org_l, q0_org_l, p1_org_l, p2_org_l,
i16_negatetc_l, tc_l, p1_l);
}
}
p2_asub_p0 = __msa_asub_u_b(p2_org, p0_org);
is_less_than_beta = (p2_asub_p0 < beta);
is_less_than_beta = is_less_than_beta & is_less_than;

if (!__msa_test_bz_v(is_less_than_beta)) {
v16u8 p1;
v8i16 p1_r = { 0 };
v8i16 p1_l = { 0 };
v8i16 p2_org_r = (v8i16) __msa_ilvr_b(zero, (v16i8) p2_org);
v8i16 p2_org_l = (v8i16) __msa_ilvl_b(zero, (v16i8) p2_org);

AVC_LPF_P1_OR_Q1(p0_org_r, q0_org_r, p1_org_r, p2_org_r,
negate_tc_r, tc_r, p1_r);
AVC_LPF_P1_OR_Q1(p0_org_l, q0_org_l, p1_org_l, p2_org_l,
i16_negatetc_l, tc_l, p1_l);

p1 = (v16u8) __msa_pckev_b((v16i8) p1_l, (v16i8) p1_r);
p1_org = __msa_bmnz_v(p1_org, p1, is_less_than_beta);

@@ -1373,36 +1353,25 @@ static void avc_loopfilter_luma_inter_edge_ver_msa(uint8_t *data,
tc = tc + is_less_than_beta;
}

{
v16u8 u8_q2asub_q0;
v16u8 is_less_than_beta_l, is_less_than_beta_r;

u8_q2asub_q0 = __msa_asub_u_b(q2_org, q0_org);
is_less_than_beta = (u8_q2asub_q0 < beta);
is_less_than_beta = is_less_than_beta & is_less_than;

q1_org_r = (v8i16) __msa_ilvr_b(zero, (v16i8) q1_org);

is_less_than_beta_r =
(v16u8) __msa_sldi_b((v16i8) is_less_than_beta, zero, 8);
if (!__msa_test_bz_v(is_less_than_beta_r)) {
q2_org_r = (v8i16) __msa_ilvr_b(zero, (v16i8) q2_org);
AVC_LPF_P1_OR_Q1(p0_org_r, q0_org_r, q1_org_r, q2_org_r,
negate_tc_r, tc_r, q1_r);
}

q1_org_l = (v8i16) __msa_ilvl_b(zero, (v16i8) q1_org);

is_less_than_beta_l =
(v16u8) __msa_sldi_b(zero, (v16i8) is_less_than_beta, 8);
if (!__msa_test_bz_v(is_less_than_beta_l)) {
q2_org_l = (v8i16) __msa_ilvl_b(zero, (v16i8) q2_org);
AVC_LPF_P1_OR_Q1(p0_org_l, q0_org_l, q1_org_l, q2_org_l,
i16_negatetc_l, tc_l, q1_l);
}
}
q2_asub_q0 = __msa_asub_u_b(q2_org, q0_org);
is_less_than_beta = (q2_asub_q0 < beta);
is_less_than_beta = is_less_than_beta & is_less_than;

q1_org_r = (v8i16) __msa_ilvr_b(zero, (v16i8) q1_org);
q1_org_l = (v8i16) __msa_ilvl_b(zero, (v16i8) q1_org);

if (!__msa_test_bz_v(is_less_than_beta)) {
v16u8 q1;
v8i16 q1_r = { 0 };
v8i16 q1_l = { 0 };
v8i16 q2_org_r = (v8i16) __msa_ilvr_b(zero, (v16i8) q2_org);
v8i16 q2_org_l = (v8i16) __msa_ilvl_b(zero, (v16i8) q2_org);

AVC_LPF_P1_OR_Q1(p0_org_r, q0_org_r, q1_org_r, q2_org_r,
negate_tc_r, tc_r, q1_r);
AVC_LPF_P1_OR_Q1(p0_org_l, q0_org_l, q1_org_l, q2_org_l,
i16_negatetc_l, tc_l, q1_l);

q1 = (v16u8) __msa_pckev_b((v16i8) q1_l, (v16i8) q1_r);
q1_org = __msa_bmnz_v(q1_org, q1, is_less_than_beta);

@@ -1436,7 +1405,7 @@ static void avc_loopfilter_luma_inter_edge_ver_msa(uint8_t *data,

p0_org = __msa_bmnz_v(p0_org, p0, is_less_than);
q0_org = __msa_bmnz_v(q0_org, q0, is_less_than);
}
{
v16i8 tp0, tp1, tp2, tp3;
v8i16 tmp2, tmp5;
@@ -1548,6 +1517,7 @@ static void avc_loopfilter_luma_inter_edge_ver_msa(uint8_t *data,
SW(out2, src);
SH(out3, (src + 4));
}
}
}
}

@@ -1560,20 +1530,8 @@ static void avc_loopfilter_luma_inter_edge_hor_msa(uint8_t *data,
uint8_t beta_in,
uint32_t image_width)
{
v16u8 p2_asub_p0, u8_q2asub_q0;
v16u8 alpha, beta, is_less_than, is_less_than_beta;
v16u8 p1, p0, q0, q1;
v8i16 p1_r = { 0 };
v8i16 p0_r, q0_r, q1_r = { 0 };
v8i16 p1_l = { 0 };
v8i16 p0_l, q0_l, q1_l = { 0 };
v16u8 p2_org, p1_org, p0_org, q0_org, q1_org, q2_org;
v8i16 p2_org_r, p1_org_r, p0_org_r, q0_org_r, q1_org_r, q2_org_r;
v8i16 p2_org_l, p1_org_l, p0_org_l, q0_org_l, q1_org_l, q2_org_l;
v16i8 zero = { 0 };
v16u8 tmp_vec;
v16u8 bs = { 0 };
v16i8 tc = { 0 };

tmp_vec = (v16u8) __msa_fill_b(bs0);
bs = (v16u8) __msa_insve_w((v4i32) bs, 0, (v4i32) tmp_vec);
@@ -1585,6 +1543,16 @@ static void avc_loopfilter_luma_inter_edge_hor_msa(uint8_t *data,
bs = (v16u8) __msa_insve_w((v4i32) bs, 3, (v4i32) tmp_vec);

if (!__msa_test_bz_v(bs)) {
v16u8 alpha, beta, is_less_than, is_less_than_beta;
v16u8 p0, q0, p2_org, p1_org, p0_org, q0_org, q1_org, q2_org;
v16u8 p0_asub_q0, p1_asub_p0, q1_asub_q0;
v16u8 is_less_than_alpha, is_bs_greater_than0;
v8i16 p0_r, q0_r, p0_l, q0_l;
v8i16 p1_org_r, p0_org_r, q0_org_r, q1_org_r;
v8i16 p1_org_l, p0_org_l, q0_org_l, q1_org_l;
v16i8 zero = { 0 };
v16i8 tc = { 0 };

tmp_vec = (v16u8) __msa_fill_b(tc0);
tc = (v16i8) __msa_insve_w((v4i32) tc, 0, (v4i32) tmp_vec);
tmp_vec = (v16u8) __msa_fill_b(tc1);
@@ -1600,26 +1568,22 @@ static void avc_loopfilter_luma_inter_edge_hor_msa(uint8_t *data,
LD_UB5(data - (3 * image_width), image_width,
p2_org, p1_org, p0_org, q0_org, q1_org);

{
v16u8 p0_asub_q0, p1_asub_p0, q1_asub_q0;
v16u8 is_less_than_alpha, is_bs_greater_than0;

is_bs_greater_than0 = ((v16u8) zero < bs);
p0_asub_q0 = __msa_asub_u_b(p0_org, q0_org);
p1_asub_p0 = __msa_asub_u_b(p1_org, p0_org);
q1_asub_q0 = __msa_asub_u_b(q1_org, q0_org);

is_less_than_alpha = (p0_asub_q0 < alpha);
is_less_than_beta = (p1_asub_p0 < beta);
is_less_than = is_less_than_beta & is_less_than_alpha;
is_less_than_beta = (q1_asub_q0 < beta);
is_less_than = is_less_than_beta & is_less_than;
is_less_than = is_less_than & is_bs_greater_than0;
}
is_bs_greater_than0 = ((v16u8) zero < bs);
p0_asub_q0 = __msa_asub_u_b(p0_org, q0_org);
p1_asub_p0 = __msa_asub_u_b(p1_org, p0_org);
q1_asub_q0 = __msa_asub_u_b(q1_org, q0_org);

is_less_than_alpha = (p0_asub_q0 < alpha);
is_less_than_beta = (p1_asub_p0 < beta);
is_less_than = is_less_than_beta & is_less_than_alpha;
is_less_than_beta = (q1_asub_q0 < beta);
is_less_than = is_less_than_beta & is_less_than;
is_less_than = is_less_than & is_bs_greater_than0;

if (!__msa_test_bz_v(is_less_than)) {
v16i8 sign_negate_tc, negate_tc;
v8i16 negate_tc_r, i16_negatetc_l, tc_l, tc_r;
v16u8 p2_asub_p0, q2_asub_q0;

q2_org = LD_UB(data + (2 * image_width));
negate_tc = zero - tc;
@@ -1635,28 +1599,19 @@ static void avc_loopfilter_luma_inter_edge_hor_msa(uint8_t *data,
p2_asub_p0 = __msa_asub_u_b(p2_org, p0_org);
is_less_than_beta = (p2_asub_p0 < beta);
is_less_than_beta = is_less_than_beta & is_less_than;
{
v8u16 is_less_than_beta_r, is_less_than_beta_l;

is_less_than_beta_r =
(v8u16) __msa_sldi_b((v16i8) is_less_than_beta, zero, 8);
if (!__msa_test_bz_v((v16u8) is_less_than_beta_r)) {
p2_org_r = (v8i16) __msa_ilvr_b(zero, (v16i8) p2_org);

AVC_LPF_P1_OR_Q1(p0_org_r, q0_org_r, p1_org_r, p2_org_r,
negate_tc_r, tc_r, p1_r);
}
if (!__msa_test_bz_v(is_less_than_beta)) {
v16u8 p1;
v8i16 p1_r = { 0 };
v8i16 p1_l = { 0 };
v8i16 p2_org_r = (v8i16) __msa_ilvr_b(zero, (v16i8) p2_org);
v8i16 p2_org_l = (v8i16) __msa_ilvl_b(zero, (v16i8) p2_org);

is_less_than_beta_l =
(v8u16) __msa_sldi_b(zero, (v16i8) is_less_than_beta, 8);
if (!__msa_test_bz_v((v16u8) is_less_than_beta_l)) {
p2_org_l = (v8i16) __msa_ilvl_b(zero, (v16i8) p2_org);
AVC_LPF_P1_OR_Q1(p0_org_r, q0_org_r, p1_org_r, p2_org_r,
negate_tc_r, tc_r, p1_r);
AVC_LPF_P1_OR_Q1(p0_org_l, q0_org_l, p1_org_l, p2_org_l,
i16_negatetc_l, tc_l, p1_l);

AVC_LPF_P1_OR_Q1(p0_org_l, q0_org_l, p1_org_l, p2_org_l,
i16_negatetc_l, tc_l, p1_l);
}
}
if (!__msa_test_bz_v(is_less_than_beta)) {
p1 = (v16u8) __msa_pckev_b((v16i8) p1_l, (v16i8) p1_r);
p1_org = __msa_bmnz_v(p1_org, p1, is_less_than_beta);
ST_UB(p1_org, data - (2 * image_width));
@@ -1665,34 +1620,25 @@ static void avc_loopfilter_luma_inter_edge_hor_msa(uint8_t *data,
tc = tc + (v16i8) is_less_than_beta;
}

u8_q2asub_q0 = __msa_asub_u_b(q2_org, q0_org);
is_less_than_beta = (u8_q2asub_q0 < beta);
q2_asub_q0 = __msa_asub_u_b(q2_org, q0_org);
is_less_than_beta = (q2_asub_q0 < beta);
is_less_than_beta = is_less_than_beta & is_less_than;

{
v8u16 is_less_than_beta_r, is_less_than_beta_l;
is_less_than_beta_r =
(v8u16) __msa_sldi_b((v16i8) is_less_than_beta, zero, 8);

q1_org_r = (v8i16) __msa_ilvr_b(zero, (v16i8) q1_org);
if (!__msa_test_bz_v((v16u8) is_less_than_beta_r)) {
q2_org_r = (v8i16) __msa_ilvr_b(zero, (v16i8) q2_org);

AVC_LPF_P1_OR_Q1(p0_org_r, q0_org_r, q1_org_r, q2_org_r,
negate_tc_r, tc_r, q1_r);
}
is_less_than_beta_l =
(v8u16) __msa_sldi_b(zero, (v16i8) is_less_than_beta, 8);

q1_org_l = (v8i16) __msa_ilvl_b(zero, (v16i8) q1_org);
if (!__msa_test_bz_v((v16u8) is_less_than_beta_l)) {
q2_org_l = (v8i16) __msa_ilvl_b(zero, (v16i8) q2_org);

AVC_LPF_P1_OR_Q1(p0_org_l, q0_org_l, q1_org_l, q2_org_l,
i16_negatetc_l, tc_l, q1_l);
}
}
q1_org_r = (v8i16) __msa_ilvr_b(zero, (v16i8) q1_org);
q1_org_l = (v8i16) __msa_ilvl_b(zero, (v16i8) q1_org);

if (!__msa_test_bz_v(is_less_than_beta)) {
v16u8 q1;
v8i16 q1_r = { 0 };
v8i16 q1_l = { 0 };
v8i16 q2_org_r = (v8i16) __msa_ilvr_b(zero, (v16i8) q2_org);
v8i16 q2_org_l = (v8i16) __msa_ilvl_b(zero, (v16i8) q2_org);

AVC_LPF_P1_OR_Q1(p0_org_r, q0_org_r, q1_org_r, q2_org_r,
negate_tc_r, tc_r, q1_r);
AVC_LPF_P1_OR_Q1(p0_org_l, q0_org_l, q1_org_l, q2_org_l,
i16_negatetc_l, tc_l, q1_l);

q1 = (v16u8) __msa_pckev_b((v16i8) q1_l, (v16i8) q1_r);
q1_org = __msa_bmnz_v(q1_org, q1, is_less_than_beta);
ST_UB(q1_org, data + image_width);


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