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avcodec/mips: [loongson] fix mpeg4 decoding error on loongson platform. 

In function ff_dct_unquantize_mpeg2_intra_mmi,
addr0 shoudn't be changed before storage operation.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Shiyou Yin 2019-05-24 10:26:43 +08:00 committed by Michael Niedermayer
parent fc0de1c04b
commit 6b67daa326
1 changed files with 1 additions and 1 deletions
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2
libavcodec/mips/mpegvideo_mmi.c
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@ -410,9 +410,9 @@ void ff_dct_unquantize_mpeg2_intra_mmi(MpegEncContext *s, int16_t *block,
"psubh %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
"pandn %[ftmp5], %[ftmp5], %[ftmp1] \n\t"
"pandn %[ftmp6], %[ftmp6], %[ftmp2] \n\t"
PTR_ADDIU "%[addr0], %[addr0], 0x10 \n\t"
MMI_SDXC1(%[ftmp5], %[addr0], %[block], 0x00)
MMI_SDXC1(%[ftmp6], %[addr0], %[block], 0x08)
PTR_ADDIU "%[addr0], %[addr0], 0x10 \n\t"
"blez %[addr0], 1b \n\t"
: [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]),
[ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]),