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Fix SingleLargeCoeff idct test

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Updated idct code to handle single large coefficient (-32768)

Change-Id: Ia13ab1ab434a9a1b9954a5914088977a88841cc7
This commit is contained in:
Kaustubh Raste 2016-11-17 17:05:53 +05:30
parent 5d48663e04
commit c56e5dd620
1 changed files with 12 additions and 7 deletions
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19
vpx_dsp/mips/txfm_macros_msa.h
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@ -15,19 +15,24 @@
#define DOTP_CONST_PAIR(reg0, reg1, cnst0, cnst1, out0, out1) \
{ \
v8i16 k0_m = __msa_fill_h(cnst0); \
v4i32 s0_m, s1_m, s2_m, s3_m; \
v4i32 s0_m, s1_m, s2_m, s3_m, s4_m, s5_m; \
v8i16 k0_m, k1_m, k2_m, zero = { 0 }; \
\
s0_m = (v4i32)__msa_fill_h(cnst1); \
k0_m = __msa_ilvev_h((v8i16)s0_m, k0_m); \
k0_m = __msa_fill_h(cnst0); \
k1_m = __msa_fill_h(cnst1); \
k2_m = __msa_ilvev_h((v8i16)k1_m, k0_m); \
k0_m = __msa_ilvev_h((v8i16)zero, k0_m); \
k1_m = __msa_ilvev_h(k1_m, (v8i16)zero); \
\
ILVRL_H2_SW((-reg1), reg0, s1_m, s0_m); \
ILVRL_H2_SW(reg1, reg0, s5_m, s4_m); \
ILVRL_H2_SW(reg0, reg1, s3_m, s2_m); \
DOTP_SH2_SW(s1_m, s0_m, k0_m, k0_m, s1_m, s0_m); \
DOTP_SH2_SW(s5_m, s4_m, k0_m, k0_m, s1_m, s0_m); \
s1_m = __msa_dpsub_s_w(s1_m, (v8i16)s5_m, k1_m); \
s0_m = __msa_dpsub_s_w(s0_m, (v8i16)s4_m, k1_m); \
SRARI_W2_SW(s1_m, s0_m, DCT_CONST_BITS); \
out0 = __msa_pckev_h((v8i16)s0_m, (v8i16)s1_m); \
\
DOTP_SH2_SW(s3_m, s2_m, k0_m, k0_m, s1_m, s0_m); \
DOTP_SH2_SW(s3_m, s2_m, k2_m, k2_m, s1_m, s0_m); \
SRARI_W2_SW(s1_m, s0_m, DCT_CONST_BITS); \
out1 = __msa_pckev_h((v8i16)s0_m, (v8i16)s1_m); \
}