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path: root/audio/mpg123/files/decode_i586_.s
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Diffstat (limited to 'audio/mpg123/files/decode_i586_.s')
-rw-r--r--audio/mpg123/files/decode_i586_.s320
1 files changed, 0 insertions, 320 deletions
diff --git a/audio/mpg123/files/decode_i586_.s b/audio/mpg123/files/decode_i586_.s
deleted file mode 100644
index a9b2dc7421d..00000000000
--- a/audio/mpg123/files/decode_i586_.s
+++ /dev/null
@@ -1,320 +0,0 @@
-/
-/ synth_1to1 works the same way as the c version of this
-/ file. only two types of changes have been made:
-/ - reordered floating point instructions to
-/ prevent pipline stalls
-/ - made WRITE_SAMPLE use integer instead of
-/ (slower) floating point
-/ all kinds of x86 processors should benefit from these
-/ modifications.
-/
-/ useful sources of information on optimizing x86 code include:
-/
-/ Intel Architecture Optimization Manual
-/ http://www.intel.com/design/pentium/manuals/242816.htm
-/
-/ Cyrix 6x86 Instruction Set Summary
-/ ftp://ftp.cyrix.com/6x86/6x-dbch6.pdf
-/
-/ AMD-K5 Processor Software Development
-/ http://www.amd.com/products/cpg/techdocs/appnotes/20007e.pdf
-/
-/ Stefan Bieschewski <stb@acm.org>
-/
-/ $Id: decode_i586_.s,v 1.2 2005/05/31 22:13:24 rillig Exp $
-/
-.bss
- .comm buffs,4352
-.data
- .align 2
-bo:
- .long 1
-.text
- .align 3
-.LC0:
- .long 0x0,0x40dfffc0
- .align 3
-.LC1:
- .long 0x0,0xc0e00000
-.text
- .align 3
-.globl _synth_1to1_pent
-_synth_1to1_pent:
- subl $12,%esp
- pushl %ebp
- pushl %edi
- pushl %esi
- pushl %ebx
- movl 32(%esp),%eax
- movl 40(%esp),%esi
- xorl %edi,%edi
- movl bo,%ebp
- cmpl %edi,36(%esp)
- jne .L48
- decl %ebp
- andl $15,%ebp
- movl %ebp,bo
- movl $buffs,%ecx
- jmp .L49
-.L48:
- addl $2,%esi
- movl $buffs+2176,%ecx
-.L49:
- testl $1,%ebp
- je .L50
- movl %ecx,%ebx
- movl %ebp,16(%esp)
- pushl %eax
- movl 20(%esp),%edx
- leal (%ebx,%edx,4),%eax
- pushl %eax
- movl 24(%esp),%eax
- incl %eax
- andl $15,%eax
- leal 1088(,%eax,4),%eax
- addl %ebx,%eax
- jmp .L74
-.L50:
- leal 1088(%ecx),%ebx
- leal 1(%ebp),%edx
- movl %edx,16(%esp)
- pushl %eax
- leal 1092(%ecx,%ebp,4),%eax
- pushl %eax
- leal (%ecx,%ebp,4),%eax
-.L74:
- pushl %eax
- call _dct64
- addl $12,%esp
- movl 16(%esp),%edx
- leal 0(,%edx,4),%edx
- movl $_decwin+64,%eax
- movl %eax,%ecx
- subl %edx,%ecx
- movl $16,%ebp
-.L55:
- flds (%ecx)
- fmuls (%ebx)
- flds 4(%ecx)
- fmuls 4(%ebx)
- fxch %st(1)
- flds 8(%ecx)
- fmuls 8(%ebx)
- fxch %st(2)
- fsubrp %st,%st(1)
- flds 12(%ecx)
- fmuls 12(%ebx)
- fxch %st(2)
- faddp %st,%st(1)
- flds 16(%ecx)
- fmuls 16(%ebx)
- fxch %st(2)
- fsubrp %st,%st(1)
- flds 20(%ecx)
- fmuls 20(%ebx)
- fxch %st(2)
- faddp %st,%st(1)
- flds 24(%ecx)
- fmuls 24(%ebx)
- fxch %st(2)
- fsubrp %st,%st(1)
- flds 28(%ecx)
- fmuls 28(%ebx)
- fxch %st(2)
- faddp %st,%st(1)
- flds 32(%ecx)
- fmuls 32(%ebx)
- fxch %st(2)
- fsubrp %st,%st(1)
- flds 36(%ecx)
- fmuls 36(%ebx)
- fxch %st(2)
- faddp %st,%st(1)
- flds 40(%ecx)
- fmuls 40(%ebx)
- fxch %st(2)
- fsubrp %st,%st(1)
- flds 44(%ecx)
- fmuls 44(%ebx)
- fxch %st(2)
- faddp %st,%st(1)
- flds 48(%ecx)
- fmuls 48(%ebx)
- fxch %st(2)
- fsubrp %st,%st(1)
- flds 52(%ecx)
- fmuls 52(%ebx)
- fxch %st(2)
- faddp %st,%st(1)
- flds 56(%ecx)
- fmuls 56(%ebx)
- fxch %st(2)
- fsubrp %st,%st(1)
- flds 60(%ecx)
- fmuls 60(%ebx)
- fxch %st(2)
- subl $4,%esp
- faddp %st,%st(1)
- fxch %st(1)
- fsubrp %st,%st(1)
- fistpl (%esp)
- popl %eax
- cmpl $32767,%eax
- jg 1f
- cmpl $-32768,%eax
- jl 2f
- movw %ax,(%esi)
- jmp 4f
-1: movw $32767,(%esi)
- jmp 3f
-2: movw $-32768,(%esi)
-3: incl %edi
-4:
-.L54:
- addl $64,%ebx
- subl $-128,%ecx
- addl $4,%esi
- decl %ebp
- jnz .L55
- flds (%ecx)
- fmuls (%ebx)
- flds 8(%ecx)
- fmuls 8(%ebx)
- flds 16(%ecx)
- fmuls 16(%ebx)
- fxch %st(2)
- faddp %st,%st(1)
- flds 24(%ecx)
- fmuls 24(%ebx)
- fxch %st(2)
- faddp %st,%st(1)
- flds 32(%ecx)
- fmuls 32(%ebx)
- fxch %st(2)
- faddp %st,%st(1)
- flds 40(%ecx)
- fmuls 40(%ebx)
- fxch %st(2)
- faddp %st,%st(1)
- flds 48(%ecx)
- fmuls 48(%ebx)
- fxch %st(2)
- faddp %st,%st(1)
- flds 56(%ecx)
- fmuls 56(%ebx)
- fxch %st(2)
- subl $4,%esp
- faddp %st,%st(1)
- fxch %st(1)
- faddp %st,%st(1)
- fistpl (%esp)
- popl %eax
- cmpl $32767,%eax
- jg 1f
- cmpl $-32768,%eax
- jl 2f
- movw %ax,(%esi)
- jmp 4f
-1: movw $32767,(%esi)
- jmp 3f
-2: movw $-32768,(%esi)
-3: incl %edi
-4:
-.L62:
- addl $-64,%ebx
- addl $4,%esi
- movl 16(%esp),%edx
- leal -128(%ecx,%edx,8),%ecx
- movl $15,%ebp
-.L68:
- flds -4(%ecx)
- fchs
- fmuls (%ebx)
- flds -8(%ecx)
- fmuls 4(%ebx)
- fxch %st(1)
- flds -12(%ecx)
- fmuls 8(%ebx)
- fxch %st(2)
- fsubrp %st,%st(1)
- flds -16(%ecx)
- fmuls 12(%ebx)
- fxch %st(2)
- fsubrp %st,%st(1)
- flds -20(%ecx)
- fmuls 16(%ebx)
- fxch %st(2)
- fsubrp %st,%st(1)
- flds -24(%ecx)
- fmuls 20(%ebx)
- fxch %st(2)
- fsubrp %st,%st(1)
- flds -28(%ecx)
- fmuls 24(%ebx)
- fxch %st(2)
- fsubrp %st,%st(1)
- flds -32(%ecx)
- fmuls 28(%ebx)
- fxch %st(2)
- fsubrp %st,%st(1)
- flds -36(%ecx)
- fmuls 32(%ebx)
- fxch %st(2)
- fsubrp %st,%st(1)
- flds -40(%ecx)
- fmuls 36(%ebx)
- fxch %st(2)
- fsubrp %st,%st(1)
- flds -44(%ecx)
- fmuls 40(%ebx)
- fxch %st(2)
- fsubrp %st,%st(1)
- flds -48(%ecx)
- fmuls 44(%ebx)
- fxch %st(2)
- fsubrp %st,%st(1)
- flds -52(%ecx)
- fmuls 48(%ebx)
- fxch %st(2)
- fsubrp %st,%st(1)
- flds -56(%ecx)
- fmuls 52(%ebx)
- fxch %st(2)
- fsubrp %st,%st(1)
- flds -60(%ecx)
- fmuls 56(%ebx)
- fxch %st(2)
- fsubrp %st,%st(1)
- flds (%ecx)
- fmuls 60(%ebx)
- fxch %st(2)
- subl $4,%esp
- fsubrp %st,%st(1)
- fxch %st(1)
- fsubrp %st,%st(1)
- fistpl (%esp)
- popl %eax
- cmpl $32767,%eax
- jg 1f
- cmpl $-32768,%eax
- jl 2f
- movw %ax,(%esi)
- jmp 4f
-1: movw $32767,(%esi)
- jmp 3f
-2: movw $-32768,(%esi)
-3: incl %edi
-4:
-.L67:
- addl $-64,%ebx
- addl $-128,%ecx
- addl $4,%esi
- decl %ebp
- jnz .L68
- movl %edi,%eax
- popl %ebx
- popl %esi
- popl %edi
- popl %ebp
- addl $12,%esp
- ret