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| author | Klaus Schmidinger <vdr@tvdr.de> | 2001-08-09 11:41:39 +0200 |
|---|---|---|
| committer | Klaus Schmidinger <vdr@tvdr.de> | 2001-08-09 11:41:39 +0200 |
| commit | c50dc5e888627bd1644f46585a44dc118c865127 (patch) | |
| tree | 1dc5a28da106e3404863fc0234891142a5c29b2f /ac3dec/downmix_i386.S | |
| parent | 85a027791063dfd7e94ccef45ea9e755df63d29a (diff) | |
| download | vdr-c50dc5e888627bd1644f46585a44dc118c865127.tar.gz vdr-c50dc5e888627bd1644f46585a44dc118c865127.tar.bz2 | |
Improvements from Matjaz Thaler
Diffstat (limited to 'ac3dec/downmix_i386.S')
| -rw-r--r-- | ac3dec/downmix_i386.S | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/ac3dec/downmix_i386.S b/ac3dec/downmix_i386.S new file mode 100644 index 00000000..20f2e8c3 --- /dev/null +++ b/ac3dec/downmix_i386.S @@ -0,0 +1,92 @@ +/* This is basicly gcc generated. + * Only the floating point rounding mode loads and saves + * are removed in the stream_sample_to_s16 functions. + */ + +#ifdef __i386__ + + .file "downmix.c" + .version "01.01" +gcc2_compiled.: +.text + .align 4 +.globl stream_sample_2ch_to_s16_i386 + .type stream_sample_2ch_to_s16_i386,@function +stream_sample_2ch_to_s16_i386: + pushl %ebp + movl %esp,%ebp + subl $28,%esp + pushl %edi + pushl %esi + pushl %ebx + movl 8(%ebp),%edx + movl 12(%ebp),%ebx + movl 16(%ebp),%ecx + movl $255,%esi + .p2align 4,,7 +.L373: + flds (%ebx) + fistpl -8(%ebp) + movl -8(%ebp),%eax + movw %ax,(%edx) + addl $2,%edx + addl $4,%ebx + flds (%ecx) + fistpl -8(%ebp) + movl -8(%ebp),%eax + movw %ax,(%edx) + addl $4,%ecx + addl $2,%edx + decl %esi + jns .L373 + popl %ebx + popl %esi + popl %edi + leave + ret +.Lfe6: + .size stream_sample_2ch_to_s16_i386,.Lfe6-stream_sample_2ch_to_s16_i386 +.section .rodata + .align 4 +.LC46: + .long 0x3f350481 +.text + .align 4 +.globl stream_sample_1ch_to_s16_i386 + .type stream_sample_1ch_to_s16_i386,@function +stream_sample_1ch_to_s16_i386: + pushl %ebp + movl %esp,%ebp + subl $16,%esp + pushl %esi + pushl %ebx + movl 8(%ebp),%edx + movl 12(%ebp),%ecx + flds .LC46 + movl $255,%ebx + .p2align 4,,7 +.L379: + flds (%ecx) + fmul %st(1),%st + fistpl -8(%ebp) + movl -8(%ebp),%eax + movw %ax,-2(%ebp) + addl $4,%ecx + flds -2(%ebp) + fistpl -8(%ebp) + movl -8(%ebp),%eax + movw %ax,(%edx) + addl $2,%edx + movw %ax,(%edx) + addl $2,%edx + decl %ebx + jns .L379 + fstp %st(0) + popl %ebx + popl %esi + leave + ret +.Lfe7: + .size stream_sample_1ch_to_s16_i386,.Lfe7-stream_sample_1ch_to_s16_i386 + .ident "GCC: (GNU) 2.95.3 19991030 (prerelease)" +#endif |