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SH4: fix memzero_align8()
Originally committed as revision 15888 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -22,13 +22,15 @@
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#include "libavcodec/avcodec.h"
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#include "libavcodec/dsputil.h"
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#include "sh4.h"
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static void memzero_align8(void *dst,size_t size)
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{
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__asm__(
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#if defined(__SH4__)
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" fschg\n" //single float mode
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#endif
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int fpscr;
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fp_single_enter(fpscr);
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dst = (char *)dst + size;
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size /= 32;
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__asm__ volatile (
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" fldi0 fr0\n"
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" fldi0 fr1\n"
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" fschg\n" // double
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@ -39,10 +41,9 @@ static void memzero_align8(void *dst,size_t size)
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" fmov dr0,@-%0\n"
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" bf.s 1b\n"
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" fmov dr0,@-%0\n"
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#if defined(__SH4_SINGLE__) || defined(__SH4_SINGLE_ONLY__)
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" fschg" //back to single
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#endif
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: : "r"((char*)dst+size),"r"(size/32): "memory" );
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: "+r"(dst),"+r"(size) :: "memory" );
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fp_single_leave(fpscr);
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}
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static void clear_blocks_sh4(DCTELEM *blocks)
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