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|
.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)"
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