mirror of
https://github.com/asterisk/asterisk.git
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Version 0.1.8 from FTP
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@302 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
84
codecs/gsm/src/k6opt.h
Executable file
84
codecs/gsm/src/k6opt.h
Executable file
@@ -0,0 +1,84 @@
|
||||
/* k6opt.h vector functions optimized for MMX extensions to x86
|
||||
*
|
||||
* Copyright (C) 1999 by Stanley J. Brooks <stabro@megsinet.net>
|
||||
*
|
||||
* Any use of this software is permitted provided that this notice is not
|
||||
* removed and that neither the authors nor the Technische Universitaet Berlin
|
||||
* are deemed to have made any representations as to the suitability of this
|
||||
* software for any purpose nor are held responsible for any defects of
|
||||
* this software. THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE;
|
||||
* not even the implied warranty of MERCHANTABILITY or FITNESS FOR
|
||||
* A PARTICULAR PURPOSE.
|
||||
*
|
||||
* Chicago, 03.12.1999
|
||||
* Stanley J. Brooks
|
||||
*/
|
||||
|
||||
extern void Weighting_filter P2((e, x),
|
||||
const word * e, /* signal [-5..0.39.44] IN */
|
||||
word * x /* signal [0..39] OUT */
|
||||
)
|
||||
;
|
||||
|
||||
extern longword k6maxcc P3((wt,dp,Nc_out),
|
||||
const word *wt,
|
||||
const word *dp,
|
||||
word * Nc_out /* OUT */
|
||||
)
|
||||
;
|
||||
/*
|
||||
* k6maxmin(p,n,out[])
|
||||
* input p[n] is array of shorts (require n>0)
|
||||
* returns (long) maximum absolute value..
|
||||
* if out!=NULL, also returns out[0] the maximum and out[1] the minimum
|
||||
*/
|
||||
extern longword k6maxmin P3((p,n,out),
|
||||
const word *p,
|
||||
int n,
|
||||
word *out /* out[0] is max, out[1] is min */
|
||||
)
|
||||
;
|
||||
|
||||
extern longword k6iprod P3((p,q,n),
|
||||
const word *p,
|
||||
const word *q,
|
||||
int n
|
||||
)
|
||||
;
|
||||
|
||||
/*
|
||||
* k6vsraw(p,n,bits)
|
||||
* input p[n] is array of shorts (require n>0)
|
||||
* shift/round each to the right by bits>=0 bits.
|
||||
*/
|
||||
extern void k6vsraw P3((p,n,bits),
|
||||
const word *p,
|
||||
int n,
|
||||
int bits
|
||||
)
|
||||
;
|
||||
|
||||
/*
|
||||
* k6vsllw(p,n,bits)
|
||||
* input p[n] is array of shorts (require n>0)
|
||||
* shift each to the left by bits>=0 bits.
|
||||
*/
|
||||
extern void k6vsllw P3((p,n,bits),
|
||||
const word *p,
|
||||
int n,
|
||||
int bits
|
||||
)
|
||||
;
|
||||
|
||||
#if 1 /* there isn't any significant speed gain from mmx here: */
|
||||
extern void Short_term_analysis_filteringx P4((u0,rp0,k_n,s),
|
||||
register word * u0,
|
||||
register word * rp0, /* [0..7] IN */
|
||||
register int k_n, /* k_end - k_start */
|
||||
register word * s /* [0..n-1] IN/OUT */
|
||||
)
|
||||
;
|
||||
/*
|
||||
#define Short_term_analysis_filtering Short_term_analysis_filteringx
|
||||
*/
|
||||
#endif
|
||||
755
codecs/gsm/src/k6opt.s
Executable file
755
codecs/gsm/src/k6opt.s
Executable file
@@ -0,0 +1,755 @@
|
||||
/* k6opt.s vector functions optimized for MMX extensions to x86
|
||||
*
|
||||
* Copyright (C) 1999 by Stanley J. Brooks <stabro@megsinet.net>
|
||||
*
|
||||
* Any use of this software is permitted provided that this notice is not
|
||||
* removed and that neither the authors nor the Technische Universitaet Berlin
|
||||
* are deemed to have made any representations as to the suitability of this
|
||||
* software for any purpose nor are held responsible for any defects of
|
||||
* this software. THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE;
|
||||
* not even the implied warranty of MERCHANTABILITY or FITNESS FOR
|
||||
* A PARTICULAR PURPOSE.
|
||||
*
|
||||
* Chicago, 03.12.1999
|
||||
* Stanley J. Brooks
|
||||
*/
|
||||
|
||||
.file "k6opt.s"
|
||||
.version "01.01"
|
||||
/* gcc2_compiled.: */
|
||||
.section .rodata
|
||||
.align 4
|
||||
.type coefs,@object
|
||||
.size coefs,24
|
||||
coefs:
|
||||
.value -134
|
||||
.value -374
|
||||
.value 0
|
||||
.value 2054
|
||||
.value 5741
|
||||
.value 8192
|
||||
.value 5741
|
||||
.value 2054
|
||||
.value 0
|
||||
.value -374
|
||||
.value -134
|
||||
.value 0
|
||||
.text
|
||||
.align 4
|
||||
/* void Weighting_filter (const short *e, short *x) */
|
||||
.globl Weighting_filter
|
||||
.type Weighting_filter,@function
|
||||
Weighting_filter:
|
||||
pushl %ebp
|
||||
movl %esp,%ebp
|
||||
pushl %edi
|
||||
pushl %esi
|
||||
pushl %ebx
|
||||
movl 12(%ebp),%edi
|
||||
movl 8(%ebp),%ebx
|
||||
addl $-10,%ebx
|
||||
emms
|
||||
movl $0x1000,%eax; movd %eax,%mm5 /* for rounding */
|
||||
movq coefs,%mm1
|
||||
movq coefs+8,%mm2
|
||||
movq coefs+16,%mm3
|
||||
xorl %esi,%esi
|
||||
.p2align 2
|
||||
.L21:
|
||||
movq (%ebx,%esi,2),%mm0
|
||||
pmaddwd %mm1,%mm0
|
||||
|
||||
movq 8(%ebx,%esi,2),%mm4
|
||||
pmaddwd %mm2,%mm4
|
||||
paddd %mm4,%mm0
|
||||
|
||||
movq 16(%ebx,%esi,2),%mm4
|
||||
pmaddwd %mm3,%mm4
|
||||
paddd %mm4,%mm0
|
||||
|
||||
movq %mm0,%mm4
|
||||
punpckhdq %mm0,%mm4 /* mm4 has high int32 of mm0 dup'd */
|
||||
paddd %mm4,%mm0;
|
||||
|
||||
paddd %mm5,%mm0 /* add for roundoff */
|
||||
psrad $13,%mm0
|
||||
packssdw %mm0,%mm0
|
||||
movd %mm0,%eax /* ax has result */
|
||||
movw %ax,(%edi,%esi,2)
|
||||
incl %esi
|
||||
cmpl $39,%esi
|
||||
jle .L21
|
||||
emms
|
||||
popl %ebx
|
||||
popl %esi
|
||||
popl %edi
|
||||
leave
|
||||
ret
|
||||
.Lfe1:
|
||||
.size Weighting_filter,.Lfe1-Weighting_filter
|
||||
|
||||
.macro ccstep n
|
||||
.if \n
|
||||
movq \n(%edi),%mm1
|
||||
movq \n(%esi),%mm2
|
||||
.else
|
||||
movq (%edi),%mm1
|
||||
movq (%esi),%mm2
|
||||
.endif
|
||||
pmaddwd %mm2,%mm1
|
||||
paddd %mm1,%mm0
|
||||
.endm
|
||||
|
||||
.align 4
|
||||
/* long k6maxcc(const short *wt, const short *dp, short *Nc_out) */
|
||||
.globl k6maxcc
|
||||
.type k6maxcc,@function
|
||||
k6maxcc:
|
||||
pushl %ebp
|
||||
movl %esp,%ebp
|
||||
pushl %edi
|
||||
pushl %esi
|
||||
pushl %ebx
|
||||
emms
|
||||
movl 8(%ebp),%edi
|
||||
movl 12(%ebp),%esi
|
||||
movl $0,%edx /* will be maximum inner-product */
|
||||
movl $40,%ebx
|
||||
movl %ebx,%ecx /* will be index of max inner-product */
|
||||
subl $80,%esi
|
||||
.p2align 2
|
||||
.L41:
|
||||
movq (%edi),%mm0
|
||||
movq (%esi),%mm2
|
||||
pmaddwd %mm2,%mm0
|
||||
ccstep 8
|
||||
ccstep 16
|
||||
ccstep 24
|
||||
ccstep 32
|
||||
ccstep 40
|
||||
ccstep 48
|
||||
ccstep 56
|
||||
ccstep 64
|
||||
ccstep 72
|
||||
|
||||
movq %mm0,%mm1
|
||||
punpckhdq %mm0,%mm1 /* mm1 has high int32 of mm0 dup'd */
|
||||
paddd %mm1,%mm0;
|
||||
movd %mm0,%eax /* eax has result */
|
||||
|
||||
cmpl %edx,%eax
|
||||
jle .L40
|
||||
movl %eax,%edx
|
||||
movl %ebx,%ecx
|
||||
.p2align 2
|
||||
.L40:
|
||||
subl $2,%esi
|
||||
incl %ebx
|
||||
cmpl $120,%ebx
|
||||
jle .L41
|
||||
movl 16(%ebp),%eax
|
||||
movw %cx,(%eax)
|
||||
movl %edx,%eax
|
||||
emms
|
||||
popl %ebx
|
||||
popl %esi
|
||||
popl %edi
|
||||
leave
|
||||
ret
|
||||
.Lfe2:
|
||||
.size k6maxcc,.Lfe2-k6maxcc
|
||||
|
||||
|
||||
.align 4
|
||||
/* long k6iprod (const short *p, const short *q, int n) */
|
||||
.globl k6iprod
|
||||
.type k6iprod,@function
|
||||
k6iprod:
|
||||
pushl %ebp
|
||||
movl %esp,%ebp
|
||||
pushl %edi
|
||||
pushl %esi
|
||||
emms
|
||||
pxor %mm0,%mm0
|
||||
movl 8(%ebp),%esi
|
||||
movl 12(%ebp),%edi
|
||||
movl 16(%ebp),%eax
|
||||
leal -32(%esi,%eax,2),%edx /* edx = top - 32 */
|
||||
|
||||
cmpl %edx,%esi; ja .L202
|
||||
|
||||
.p2align 2
|
||||
.L201:
|
||||
ccstep 0
|
||||
ccstep 8
|
||||
ccstep 16
|
||||
ccstep 24
|
||||
|
||||
addl $32,%esi
|
||||
addl $32,%edi
|
||||
cmpl %edx,%esi; jbe .L201
|
||||
|
||||
.p2align 2
|
||||
.L202:
|
||||
addl $24,%edx /* now edx = top-8 */
|
||||
cmpl %edx,%esi; ja .L205
|
||||
|
||||
.p2align 2
|
||||
.L203:
|
||||
ccstep 0
|
||||
|
||||
addl $8,%esi
|
||||
addl $8,%edi
|
||||
cmpl %edx,%esi; jbe .L203
|
||||
|
||||
.p2align 2
|
||||
.L205:
|
||||
addl $4,%edx /* now edx = top-4 */
|
||||
cmpl %edx,%esi; ja .L207
|
||||
|
||||
movd (%edi),%mm1
|
||||
movd (%esi),%mm2
|
||||
pmaddwd %mm2,%mm1
|
||||
paddd %mm1,%mm0
|
||||
|
||||
addl $4,%esi
|
||||
addl $4,%edi
|
||||
|
||||
.p2align 2
|
||||
.L207:
|
||||
addl $2,%edx /* now edx = top-2 */
|
||||
cmpl %edx,%esi; ja .L209
|
||||
|
||||
movswl (%edi),%eax
|
||||
movd %eax,%mm1
|
||||
movswl (%esi),%eax
|
||||
movd %eax,%mm2
|
||||
pmaddwd %mm2,%mm1
|
||||
paddd %mm1,%mm0
|
||||
|
||||
.p2align 2
|
||||
.L209:
|
||||
movq %mm0,%mm1
|
||||
punpckhdq %mm0,%mm1 /* mm1 has high int32 of mm0 dup'd */
|
||||
paddd %mm1,%mm0;
|
||||
movd %mm0,%eax /* eax has result */
|
||||
|
||||
emms
|
||||
popl %esi
|
||||
popl %edi
|
||||
leave
|
||||
ret
|
||||
.Lfe3:
|
||||
.size k6iprod,.Lfe3-k6iprod
|
||||
|
||||
|
||||
.align 4
|
||||
/* void k6vsraw P3((short *p, int n, int bits) */
|
||||
.globl k6vsraw
|
||||
.type k6vsraw,@function
|
||||
k6vsraw:
|
||||
pushl %ebp
|
||||
movl %esp,%ebp
|
||||
pushl %esi
|
||||
movl 8(%ebp),%esi
|
||||
movl 16(%ebp),%ecx
|
||||
andl %ecx,%ecx; jle .L399
|
||||
movl 12(%ebp),%eax
|
||||
leal -16(%esi,%eax,2),%edx /* edx = top - 16 */
|
||||
emms
|
||||
movd %ecx,%mm3
|
||||
movq ones,%mm2
|
||||
psllw %mm3,%mm2; psrlw $1,%mm2
|
||||
cmpl %edx,%esi; ja .L306
|
||||
|
||||
.p2align 2
|
||||
.L302: /* 8 words per iteration */
|
||||
movq (%esi),%mm0
|
||||
movq 8(%esi),%mm1
|
||||
paddsw %mm2,%mm0
|
||||
psraw %mm3,%mm0;
|
||||
paddsw %mm2,%mm1
|
||||
psraw %mm3,%mm1;
|
||||
movq %mm0,(%esi)
|
||||
movq %mm1,8(%esi)
|
||||
addl $16,%esi
|
||||
cmpl %edx,%esi
|
||||
jbe .L302
|
||||
|
||||
.p2align 2
|
||||
.L306:
|
||||
addl $12,%edx /* now edx = top-4 */
|
||||
cmpl %edx,%esi; ja .L310
|
||||
|
||||
.p2align 2
|
||||
.L308: /* do up to 6 words, two at a time */
|
||||
movd (%esi),%mm0
|
||||
paddsw %mm2,%mm0
|
||||
psraw %mm3,%mm0;
|
||||
movd %mm0,(%esi)
|
||||
addl $4,%esi
|
||||
cmpl %edx,%esi
|
||||
jbe .L308
|
||||
|
||||
.p2align 2
|
||||
.L310:
|
||||
addl $2,%edx /* now edx = top-2 */
|
||||
cmpl %edx,%esi; ja .L315
|
||||
|
||||
movzwl (%esi),%eax
|
||||
movd %eax,%mm0
|
||||
paddsw %mm2,%mm0
|
||||
psraw %mm3,%mm0;
|
||||
movd %mm0,%eax
|
||||
movw %ax,(%esi)
|
||||
|
||||
.p2align 2
|
||||
.L315:
|
||||
emms
|
||||
.L399:
|
||||
popl %esi
|
||||
leave
|
||||
ret
|
||||
.Lfe4:
|
||||
.size k6vsraw,.Lfe4-k6vsraw
|
||||
|
||||
.align 4
|
||||
/* void k6vsllw P3((short *p, int n, int bits) */
|
||||
.globl k6vsllw
|
||||
.type k6vsllw,@function
|
||||
k6vsllw:
|
||||
pushl %ebp
|
||||
movl %esp,%ebp
|
||||
pushl %esi
|
||||
movl 8(%ebp),%esi
|
||||
movl 16(%ebp),%ecx
|
||||
andl %ecx,%ecx; jle .L499
|
||||
movl 12(%ebp),%eax
|
||||
leal -16(%esi,%eax,2),%edx /* edx = top - 16 */
|
||||
emms
|
||||
movd %ecx,%mm3
|
||||
cmpl %edx,%esi; ja .L406
|
||||
|
||||
.p2align 2
|
||||
.L402: /* 8 words per iteration */
|
||||
movq (%esi),%mm0
|
||||
movq 8(%esi),%mm1
|
||||
psllw %mm3,%mm0;
|
||||
psllw %mm3,%mm1;
|
||||
movq %mm0,(%esi)
|
||||
movq %mm1,8(%esi)
|
||||
addl $16,%esi
|
||||
cmpl %edx,%esi
|
||||
jbe .L402
|
||||
|
||||
.p2align 2
|
||||
.L406:
|
||||
addl $12,%edx /* now edx = top-4 */
|
||||
cmpl %edx,%esi; ja .L410
|
||||
|
||||
.p2align 2
|
||||
.L408: /* do up to 6 words, two at a time */
|
||||
movd (%esi),%mm0
|
||||
psllw %mm3,%mm0;
|
||||
movd %mm0,(%esi)
|
||||
addl $4,%esi
|
||||
cmpl %edx,%esi
|
||||
jbe .L408
|
||||
|
||||
.p2align 2
|
||||
.L410:
|
||||
addl $2,%edx /* now edx = top-2 */
|
||||
cmpl %edx,%esi; ja .L415
|
||||
|
||||
movzwl (%esi),%eax
|
||||
movd %eax,%mm0
|
||||
psllw %mm3,%mm0;
|
||||
movd %mm0,%eax
|
||||
movw %ax,(%esi)
|
||||
|
||||
.p2align 2
|
||||
.L415:
|
||||
emms
|
||||
.L499:
|
||||
popl %esi
|
||||
leave
|
||||
ret
|
||||
.Lfe5:
|
||||
.size k6vsllw,.Lfe5-k6vsllw
|
||||
|
||||
|
||||
.section .rodata
|
||||
.align 4
|
||||
.type extremes,@object
|
||||
.size extremes,8
|
||||
extremes:
|
||||
.long 0x80008000
|
||||
.long 0x7fff7fff
|
||||
.type ones,@object
|
||||
.size ones,8
|
||||
ones:
|
||||
.long 0x00010001
|
||||
.long 0x00010001
|
||||
|
||||
.text
|
||||
.align 4
|
||||
/* long k6maxmin (const short *p, int n, short *out) */
|
||||
.globl k6maxmin
|
||||
.type k6maxmin,@function
|
||||
k6maxmin:
|
||||
pushl %ebp
|
||||
movl %esp,%ebp
|
||||
pushl %esi
|
||||
emms
|
||||
movl 8(%ebp),%esi
|
||||
movl 12(%ebp),%eax
|
||||
leal -8(%esi,%eax,2),%edx
|
||||
|
||||
cmpl %edx,%esi
|
||||
jbe .L52
|
||||
movd extremes,%mm0
|
||||
movd extremes+4,%mm1
|
||||
jmp .L58
|
||||
|
||||
.p2align 2
|
||||
.L52:
|
||||
movq (%esi),%mm0 /* mm0 will be max's */
|
||||
movq %mm0,%mm1 /* mm1 will be min's */
|
||||
addl $8,%esi
|
||||
cmpl %edx,%esi
|
||||
ja .L56
|
||||
|
||||
.p2align 2
|
||||
.L54:
|
||||
movq (%esi),%mm2
|
||||
|
||||
movq %mm2,%mm3
|
||||
pcmpgtw %mm0,%mm3 /* mm3 is bitmask for words where mm2 > mm0 */
|
||||
movq %mm3,%mm4
|
||||
pand %mm2,%mm3 /* mm3 is mm2 masked to new max's */
|
||||
pandn %mm0,%mm4 /* mm4 is mm0 masked to its max's */
|
||||
por %mm3,%mm4
|
||||
movq %mm4,%mm0 /* now mm0 is updated max's */
|
||||
|
||||
movq %mm1,%mm3
|
||||
pcmpgtw %mm2,%mm3 /* mm3 is bitmask for words where mm2 < mm1 */
|
||||
pand %mm3,%mm2 /* mm2 is mm2 masked to new min's */
|
||||
pandn %mm1,%mm3 /* mm3 is mm1 masked to its min's */
|
||||
por %mm3,%mm2
|
||||
movq %mm2,%mm1 /* now mm1 is updated min's */
|
||||
|
||||
addl $8,%esi
|
||||
cmpl %edx,%esi
|
||||
jbe .L54
|
||||
|
||||
.p2align 2
|
||||
.L56: /* merge down the 4-word max/mins to lower 2 words */
|
||||
|
||||
movq %mm0,%mm2
|
||||
psrlq $32,%mm2
|
||||
movq %mm2,%mm3
|
||||
pcmpgtw %mm0,%mm3 /* mm3 is bitmask for words where mm2 > mm0 */
|
||||
pand %mm3,%mm2 /* mm2 is mm2 masked to new max's */
|
||||
pandn %mm0,%mm3 /* mm3 is mm0 masked to its max's */
|
||||
por %mm3,%mm2
|
||||
movq %mm2,%mm0 /* now mm0 is updated max's */
|
||||
|
||||
movq %mm1,%mm2
|
||||
psrlq $32,%mm2
|
||||
movq %mm1,%mm3
|
||||
pcmpgtw %mm2,%mm3 /* mm3 is bitmask for words where mm2 < mm1 */
|
||||
pand %mm3,%mm2 /* mm2 is mm2 masked to new min's */
|
||||
pandn %mm1,%mm3 /* mm3 is mm1 masked to its min's */
|
||||
por %mm3,%mm2
|
||||
movq %mm2,%mm1 /* now mm1 is updated min's */
|
||||
|
||||
.p2align 2
|
||||
.L58:
|
||||
addl $4,%edx /* now dx = top-4 */
|
||||
cmpl %edx,%esi
|
||||
ja .L62
|
||||
/* here, there are >= 2 words of input remaining */
|
||||
movd (%esi),%mm2
|
||||
|
||||
movq %mm2,%mm3
|
||||
pcmpgtw %mm0,%mm3 /* mm3 is bitmask for words where mm2 > mm0 */
|
||||
movq %mm3,%mm4
|
||||
pand %mm2,%mm3 /* mm3 is mm2 masked to new max's */
|
||||
pandn %mm0,%mm4 /* mm4 is mm0 masked to its max's */
|
||||
por %mm3,%mm4
|
||||
movq %mm4,%mm0 /* now mm0 is updated max's */
|
||||
|
||||
movq %mm1,%mm3
|
||||
pcmpgtw %mm2,%mm3 /* mm3 is bitmask for words where mm2 < mm1 */
|
||||
pand %mm3,%mm2 /* mm2 is mm2 masked to new min's */
|
||||
pandn %mm1,%mm3 /* mm3 is mm1 masked to its min's */
|
||||
por %mm3,%mm2
|
||||
movq %mm2,%mm1 /* now mm1 is updated min's */
|
||||
|
||||
addl $4,%esi
|
||||
|
||||
.p2align 2
|
||||
.L62:
|
||||
/* merge down the 2-word max/mins to 1 word */
|
||||
|
||||
movq %mm0,%mm2
|
||||
psrlq $16,%mm2
|
||||
movq %mm2,%mm3
|
||||
pcmpgtw %mm0,%mm3 /* mm3 is bitmask for words where mm2 > mm0 */
|
||||
pand %mm3,%mm2 /* mm2 is mm2 masked to new max's */
|
||||
pandn %mm0,%mm3 /* mm3 is mm0 masked to its max's */
|
||||
por %mm3,%mm2
|
||||
movd %mm2,%ecx /* cx is max so far */
|
||||
|
||||
movq %mm1,%mm2
|
||||
psrlq $16,%mm2
|
||||
movq %mm1,%mm3
|
||||
pcmpgtw %mm2,%mm3 /* mm3 is bitmask for words where mm2 < mm1 */
|
||||
pand %mm3,%mm2 /* mm2 is mm2 masked to new min's */
|
||||
pandn %mm1,%mm3 /* mm3 is mm1 masked to its min's */
|
||||
por %mm3,%mm2
|
||||
movd %mm2,%eax /* ax is min so far */
|
||||
|
||||
addl $2,%edx /* now dx = top-2 */
|
||||
cmpl %edx,%esi
|
||||
ja .L65
|
||||
|
||||
/* here, there is one word of input left */
|
||||
cmpw (%esi),%cx
|
||||
jge .L64
|
||||
movw (%esi),%cx
|
||||
.p2align 2
|
||||
.L64:
|
||||
cmpw (%esi),%ax
|
||||
jle .L65
|
||||
movw (%esi),%ax
|
||||
|
||||
.p2align 2
|
||||
.L65: /* (finally!) cx is the max, ax the min */
|
||||
movswl %cx,%ecx
|
||||
movswl %ax,%eax
|
||||
|
||||
movl 16(%ebp),%edx /* ptr to output max,min vals */
|
||||
andl %edx,%edx; jz .L77
|
||||
movw %cx,(%edx) /* max */
|
||||
movw %ax,2(%edx) /* min */
|
||||
.p2align 2
|
||||
.L77:
|
||||
/* now calculate max absolute val */
|
||||
negl %eax
|
||||
cmpl %ecx,%eax
|
||||
jge .L81
|
||||
movl %ecx,%eax
|
||||
.p2align 2
|
||||
.L81:
|
||||
emms
|
||||
popl %esi
|
||||
leave
|
||||
ret
|
||||
.Lfe6:
|
||||
.size k6maxmin,.Lfe6-k6maxmin
|
||||
|
||||
/* void Short_term_analysis_filtering (short *u0, const short *rp0, int kn, short *s) */
|
||||
.equiv pm_u0,8
|
||||
.equiv pm_rp0,12
|
||||
.equiv pm_kn,16
|
||||
.equiv pm_s,20
|
||||
.equiv lv_u_top,-4
|
||||
.equiv lv_s_top,-8
|
||||
.equiv lv_rp,-40 /* local version of rp0 with each word twice */
|
||||
.align 4
|
||||
.globl Short_term_analysis_filteringx
|
||||
.type Short_term_analysis_filteringx,@function
|
||||
Short_term_analysis_filteringx:
|
||||
pushl %ebp
|
||||
movl %esp,%ebp
|
||||
subl $40,%esp
|
||||
pushl %edi
|
||||
pushl %esi
|
||||
|
||||
movl pm_rp0(%ebp),%esi;
|
||||
leal lv_rp(%ebp),%edi;
|
||||
cld
|
||||
lodsw; stosw; stosw
|
||||
lodsw; stosw; stosw
|
||||
lodsw; stosw; stosw
|
||||
lodsw; stosw; stosw
|
||||
lodsw; stosw; stosw
|
||||
lodsw; stosw; stosw
|
||||
lodsw; stosw; stosw
|
||||
lodsw; stosw; stosw
|
||||
emms
|
||||
movl $0x4000,%eax;
|
||||
movd %eax,%mm4;
|
||||
punpckldq %mm4,%mm4 /* (0x00004000,0x00004000) for rounding dword product pairs */
|
||||
|
||||
movl pm_u0(%ebp),%eax
|
||||
addl $16,%eax
|
||||
movl %eax,lv_u_top(%ebp) /* UTOP */
|
||||
movl pm_s(%ebp),%edx /* edx is local s ptr throughout below */
|
||||
movl pm_kn(%ebp),%eax
|
||||
leal (%edx,%eax,2),%eax
|
||||
movl %eax,lv_s_top(%ebp)
|
||||
cmpl %eax,%edx
|
||||
jae .L179
|
||||
.p2align 2
|
||||
.L181:
|
||||
leal lv_rp(%ebp),%esi /* RP */
|
||||
movl pm_u0(%ebp),%edi /* U */
|
||||
movw (%edx),%ax /* (0,DI) */
|
||||
roll $16,%eax
|
||||
movw (%edx),%ax /* (DI,DI) */
|
||||
.p2align 2
|
||||
.L185: /* RP is %esi */
|
||||
movl %eax,%ecx
|
||||
movw (%edi),%ax /* (DI,U) */
|
||||
movd (%esi),%mm3 /* mm3 is (0,0,RP,RP) */
|
||||
movw %cx,(%edi)
|
||||
|
||||
movd %eax,%mm2 /* mm2 is (0,0,DI,U) */
|
||||
rorl $16,%eax
|
||||
movd %eax,%mm1 /* mm1 is (0,0,U,DI) */
|
||||
|
||||
movq %mm1,%mm0
|
||||
pmullw %mm3,%mm0
|
||||
pmulhw %mm3,%mm1
|
||||
punpcklwd %mm1,%mm0 /* mm0 is (RP*U,RP*DI) */
|
||||
paddd %mm4,%mm0 /* mm4 is 0x00004000,0x00004000 */
|
||||
psrad $15,%mm0 /* (RP*U,RP*DI) adjusted */
|
||||
packssdw %mm0,%mm0 /* (*,*,RP*U,RP*DI) adjusted and saturated to word */
|
||||
paddsw %mm2,%mm0 /* mm0 is (?,?, DI', U') */
|
||||
movd %mm0,%eax /* (DI,U') */
|
||||
|
||||
addl $2,%edi
|
||||
addl $4,%esi
|
||||
cmpl lv_u_top(%ebp),%edi
|
||||
jb .L185
|
||||
|
||||
rorl $16,%eax
|
||||
movw %ax,(%edx) /* last DI goes to *s */
|
||||
addl $2,%edx /* next s */
|
||||
cmpl lv_s_top(%ebp),%edx
|
||||
jb .L181
|
||||
.p2align 2
|
||||
.L179:
|
||||
emms
|
||||
popl %esi
|
||||
popl %edi
|
||||
leave
|
||||
ret
|
||||
.Lfe7:
|
||||
.size Short_term_analysis_filteringx,.Lfe7-Short_term_analysis_filteringx
|
||||
|
||||
.end
|
||||
|
||||
/* 'as' macro's seem to be case-insensitive */
|
||||
.macro STEP n
|
||||
.if \n
|
||||
movd \n(%esi),%mm3 /* mm3 is (0,0,RP,RP) */
|
||||
.else
|
||||
movd (%esi),%mm3 /* mm3 is (0,0,RP,RP) */
|
||||
.endif
|
||||
movq %mm5,%mm1;
|
||||
movd %mm4,%ecx; movw %cx,%ax /* (DI,U) */
|
||||
psllq $48,%mm1; psrlq $16,%mm4; por %mm1,%mm4
|
||||
psllq $48,%mm0; psrlq $16,%mm5; por %mm0,%mm5
|
||||
|
||||
movd %eax,%mm2 /* mm2 is (0,0,DI,U) */
|
||||
rorl $16,%eax
|
||||
movd %eax,%mm1 /* mm1 is (0,0,U,DI) */
|
||||
|
||||
movq %mm1,%mm0
|
||||
pmullw %mm3,%mm0
|
||||
pmulhw %mm3,%mm1
|
||||
punpcklwd %mm1,%mm0 /* mm0 is (RP*U,RP*DI) */
|
||||
paddd %mm6,%mm0 /* mm6 is 0x00004000,0x00004000 */
|
||||
psrad $15,%mm0 /* (RP*U,RP*DI) adjusted */
|
||||
packssdw %mm0,%mm0 /* (*,*,RP*U,RP*DI) adjusted and saturated to word */
|
||||
paddsw %mm2,%mm0 /* mm0 is (?,?, DI', U') */
|
||||
movd %mm0,%eax /* (DI,U') */
|
||||
.endm
|
||||
|
||||
/* void Short_term_analysis_filtering (short *u0, const short *rp0, int kn, short *s) */
|
||||
.equiv pm_u0,8
|
||||
.equiv pm_rp0,12
|
||||
.equiv pm_kn,16
|
||||
.equiv pm_s,20
|
||||
.equiv lv_rp_top,-4
|
||||
.equiv lv_s_top,-8
|
||||
.equiv lv_rp,-40 /* local version of rp0 with each word twice */
|
||||
.align 4
|
||||
.globl Short_term_analysis_filteringx
|
||||
.type Short_term_analysis_filteringx,@function
|
||||
Short_term_analysis_filteringx:
|
||||
pushl %ebp
|
||||
movl %esp,%ebp
|
||||
subl $56,%esp
|
||||
pushl %edi
|
||||
pushl %esi
|
||||
pushl %ebx
|
||||
|
||||
movl pm_rp0(%ebp),%esi;
|
||||
leal lv_rp(%ebp),%edi;
|
||||
cld
|
||||
lodsw; stosw; stosw
|
||||
lodsw; stosw; stosw
|
||||
lodsw; stosw; stosw
|
||||
lodsw; stosw; stosw
|
||||
lodsw; stosw; stosw
|
||||
lodsw; stosw; stosw
|
||||
lodsw; stosw; stosw
|
||||
lodsw; stosw; stosw
|
||||
movl %edi,lv_rp_top(%ebp)
|
||||
emms
|
||||
|
||||
movl $0x4000,%eax;
|
||||
movd %eax,%mm6;
|
||||
punpckldq %mm6,%mm6 /* (0x00004000,0x00004000) for rounding dword product pairs */
|
||||
|
||||
movl pm_u0(%ebp),%ebx
|
||||
movq (%ebx),%mm4; movq 8(%ebx),%mm5 /* the 8 u's */
|
||||
movl pm_s(%ebp),%edx /* edx is local s ptr throughout below */
|
||||
movl pm_kn(%ebp),%eax
|
||||
leal (%edx,%eax,2),%eax
|
||||
movl %eax,lv_s_top(%ebp)
|
||||
cmpl %eax,%edx
|
||||
jae .L179
|
||||
.p2align 2
|
||||
.L181:
|
||||
leal lv_rp(%ebp),%esi /* RP */
|
||||
movw (%edx),%ax /* (0,DI) */
|
||||
roll $16,%eax
|
||||
movw (%edx),%ax /* (DI,DI) */
|
||||
movd %eax,%mm0
|
||||
.p2align 2
|
||||
.L185: /* RP is %esi */
|
||||
step 0
|
||||
step 4
|
||||
step 8
|
||||
step 12
|
||||
/*
|
||||
step 16
|
||||
step 20
|
||||
step 24
|
||||
step 28
|
||||
*/
|
||||
addl $16,%esi
|
||||
cmpl lv_rp_top(%ebp),%esi
|
||||
jb .L185
|
||||
|
||||
rorl $16,%eax
|
||||
movw %ax,(%edx) /* last DI goes to *s */
|
||||
addl $2,%edx /* next s */
|
||||
cmpl lv_s_top(%ebp),%edx
|
||||
jb .L181
|
||||
.L179:
|
||||
movq %mm4,(%ebx); movq %mm5,8(%ebx) /* the 8 u's */
|
||||
emms
|
||||
popl %ebx
|
||||
popl %esi
|
||||
popl %edi
|
||||
leave
|
||||
ret
|
||||
.Lfe7:
|
||||
.size Short_term_analysis_filteringx,.Lfe7-Short_term_analysis_filteringx
|
||||
.ident "GCC: (GNU) 2.95.2 19991109 (Debian GNU/Linux)"
|
||||
Reference in New Issue
Block a user