From 6b67daa326f647e3b405ce0fb0f88f0266d40ab3 Mon Sep 17 00:00:00 2001 From: Shiyou Yin Date: Fri, 24 May 2019 10:26:43 +0800 Subject: [PATCH] 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 --- libavcodec/mips/mpegvideo_mmi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/mips/mpegvideo_mmi.c b/libavcodec/mips/mpegvideo_mmi.c index 18058e492d..e4aba08661 100644 --- a/libavcodec/mips/mpegvideo_mmi.c +++ b/libavcodec/mips/mpegvideo_mmi.c @@ -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]),