Detabify. Remove trailing whitespace.
This commit is contained in:
Markus F.X.J. Oberhumer
parent
f03f42ca4d
commit
3bc3b3d10e
@ -113,7 +113,7 @@ L90:
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pop %arg1 # ADRU
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pop %rcx # JMPU
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pop %rcx # breadcrumb size in pages
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shl $12,%ecx
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shl $12,%ecx
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addl %ecx,%arg1l # addr += crumb XXX 4GB
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subl %ecx,%arg2l # len -= crumb XXX 4GB
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push %rax # &entry
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@ -1,5 +1,5 @@
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// In LZMA SDK 4.63 file lzma.txt (2008-12-30):
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// LZMA SDK is written and placed in the public domain by Igor Pavlov.
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// LZMA SDK is written and placed in the public domain by Igor Pavlov.
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// The creative expression of this hand compilation into assembly language,
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// including (but not limited to) code organization and register assignment,
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// remains copyright by John F. Reiser and licensed under GNU Lesser General
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@ -82,38 +82,38 @@ Literal= (RepLenCoder + kNumLenProbs)
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#define call bl /* subroutine call */
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#define symbol mi
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#define mo mi
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#define symbol mi
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#define mo mi
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#define mi r0
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#define p_in r1
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#define t1 r2
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#define t0 r3
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#define mi r0
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#define p_in r1
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#define t1 r2
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#define t0 r3
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#define bit r4
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#define i r5
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#define state r6
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#define Range r7
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#define bit r4
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#define i r5
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#define state r6
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#define Range r7
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#define inPtr r8
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#define outPtr r9
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#define prob r10
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#define p r11
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#define inPtr r8
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#define outPtr r9
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#define prob r10
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#define p r11
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#define Code r12
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#define Code r12
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#define nowPos bit /* temporary only */
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#define distance bit
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#define numDirectBits bit
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#define hibit bit
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#define matchB i
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#define probLen i
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#define probLit i
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#define posSlot posState
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#define r_posSlot t0
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#define nowPos bit /* temporary only */
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#define distance bit
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#define numDirectBits bit
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#define hibit bit
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#define matchB i
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#define probLen i
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#define probLit i
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#define posSlot posState
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#define r_posSlot t0
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#define r_len i
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#define r_rep0 p_in
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#define r_len i
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#define r_rep0 p_in
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#define vs r0
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vs_ps= 2
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@ -123,390 +123,392 @@ vs_lc= 0
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#if !defined(PARAMETER_STYLE) /*{*/
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#define PARAMETER_STYLE 1
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// Possible choices:
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// 1 /* 0 bytes; 1-byte encoding of pb,lp,lc [default] */
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// 2 /* -24 bytes; 2-byte encoding requires no division */
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// 3 /* -32 bytes; separate bytes lc,lp,pb,xx at -4+ probs */
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// 1 /* 0 bytes; 1-byte encoding of pb,lp,lc [default] */
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// 2 /* -24 bytes; 2-byte encoding requires no division */
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// 3 /* -32 bytes; separate bytes lc,lp,pb,xx at -4+ probs */
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#endif /*}*/
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/* LzmaDecode(r0=vs, r1=inStream, r2=inSize, r3= &inSizeProcessed,
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[sp,#0]= outStream, [sp,#4]= outSize, [sp,#8]= &outSizeProcessed)
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[sp,#0]= outStream, [sp,#4]= outSize, [sp,#8]= &outSizeProcessed)
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*/
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LzmaDecode: .globl LzmaDecode
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// save &inSizeProcesesed and caller registers
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stmdb sp!,{r3, r4,r5,r6,r7, r8,r9,r10,r11, lr}
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add r12,r2,r1 // inLim
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ldr outPtr,[sp, #10*4 + 0*4] // outStream
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ldr r7,[sp, #10*4 + 1*4] // outSize
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mov inPtr,r1
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add r10,r7,outPtr // outLim
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// save &inSizeProcesesed and caller registers
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stmdb sp!,{r3, r4,r5,r6,r7, r8,r9,r10,r11, lr}
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add r12,r2,r1 // inLim
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ldr outPtr,[sp, #10*4 + 0*4] // outStream
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ldr r7,[sp, #10*4 + 1*4] // outSize
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mov inPtr,r1
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add r10,r7,outPtr // outLim
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#if 1==PARAMETER_STYLE /*{ [0]: pb*45 + lp*9 + lc */
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mov p,vs
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ldrb r6,[inPtr],#1
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mov p,vs
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ldrb r6,[inPtr],#1
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mov r4,#0 // r4= pb;
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mov r4,#0 // r4= pb;
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1:
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cmp r6,#45; subhs r6,r6,#45; addhs r4,r4,#1; bhs 1b
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cmp r6,#45; subhs r6,r6,#45; addhs r4,r4,#1; bhs 1b
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mov r5,#0 // r5= lp;
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mov r5,#0 // r5= lp;
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1:
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cmp r6,#9; subhs r6,r6, #9; addhs r5,r5,#1; bhs 1b // r6= lc;
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cmp r6,#9; subhs r6,r6, #9; addhs r5,r5,#1; bhs 1b // r6= lc;
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#endif /*}*/
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#if 2==PARAMETER_STYLE /*{ [0]: ((lc + lp)<<3) | pb; [1]: (lp<<4) | lc */
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mov p,vs
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ldrb r4,[inPtr],#1; and r4,r4,#7 // pb
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ldrb r6,[inPtr],#1; mov r5,r6,lsr #4 // lp
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and r6,r6,#0xf // lc
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mov p,vs
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ldrb r4,[inPtr],#1; and r4,r4,#7 // pb
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ldrb r6,[inPtr],#1; mov r5,r6,lsr #4 // lp
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and r6,r6,#0xf // lc
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#endif /*}*/
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#if 3==PARAMETER_STYLE /*{ lc,lp,pb,xx in separate bytes before probs[] */
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add p,vs,#4
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ldrb r6,[vs, #vs_lc]
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ldrb r5,[vs, #vs_lp]
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ldrb r4,[vs, #vs_ps]
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add p,vs,#4
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ldrb r6,[vs, #vs_lc]
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ldrb r5,[vs, #vs_lp]
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ldrb r4,[vs, #vs_ps]
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#endif /*}*/
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#undef vs
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add r14,r5,r6 // lp + lc
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mvn Range,#0 // ~0
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mvn r5,Range,lsl r5 // ~(~0<<lp) == litPosMask
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mvn r4,Range,lsl r4 // ~(~0<<ps) == posStateMask
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mov r3,#1
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mov r2,#1
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mov r1,#1
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mov r0,#1
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stmdb sp!,{r0,r1,r2,r3, r4,r5,r6,r7, r8,r9,r10,r11, r12,r14}
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#define rep0 [sp, #0*4]
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#define rep1 [sp, #1*4]
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#define rep2 [sp, #2*4]
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#define rep3 [sp, #3*4]
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#define posStateMask [sp, #4*4]
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#define litPosMask [sp, #5*4]
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#define lc [sp, #6*4]
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#define prevB [sp, #7*4]
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#define inBuf [sp, #8*4]
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#define outBuf [sp, #9*4]
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#define outLim [sp, #10*4]
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add r14,r5,r6 // lp + lc
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mvn Range,#0 // ~0
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mvn r5,Range,lsl r5 // ~(~0<<lp) == litPosMask
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mvn r4,Range,lsl r4 // ~(~0<<ps) == posStateMask
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mov r3,#1
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mov r2,#1
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mov r1,#1
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mov r0,#1
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stmdb sp!,{r0,r1,r2,r3, r4,r5,r6,r7, r8,r9,r10,r11, r12,r14}
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#define rep0 [sp, #0*4]
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#define rep1 [sp, #1*4]
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#define rep2 [sp, #2*4]
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#define rep3 [sp, #3*4]
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#define posStateMask [sp, #4*4]
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#define litPosMask [sp, #5*4]
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#define lc [sp, #6*4]
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#define prevB [sp, #7*4]
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#define inBuf [sp, #8*4]
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#define outBuf [sp, #9*4]
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#define outLim [sp, #10*4]
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#define posState [sp, #11*4]
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#define inLim [sp, #12*4]
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#define m_len [sp, #13*4]
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#define inLim [sp, #12*4]
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#define m_len [sp, #13*4]
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#define inSizeProcessed [sp, #(14 )*4]
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#define outSizeProcessed [sp, #(14+10+2)*4]
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mov state,#0
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str state,prevB
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mov state,#0
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str state,prevB
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mov r2,#LZMA_LIT_SIZE
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mov r2,r2, lsl r14 // LZMA_LIT_SIZE << (lp + lc)
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add r2,r2,#lo8(LZMA_BASE_SIZE)
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add r2,r2,#hi8(LZMA_BASE_SIZE) // nProbs
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mov r1,p
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mov r0, #(kBitModelTotal>>1)
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orr r0,r0,#(kBitModelTotal>>1)<<16
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mov r2,#LZMA_LIT_SIZE
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mov r2,r2, lsl r14 // LZMA_LIT_SIZE << (lp + lc)
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add r2,r2,#lo8(LZMA_BASE_SIZE)
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add r2,r2,#hi8(LZMA_BASE_SIZE) // nProbs
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mov r1,p
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mov r0, #(kBitModelTotal>>1)
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orr r0,r0,#(kBitModelTotal>>1)<<16
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L10:
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str r0,[r1],#4
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subs r2,r2,#2; bgt L10
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str r0,[r1],#4
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subs r2,r2,#2; bgt L10
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add r0,inPtr,#5 // sentinel
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add r0,inPtr,#5 // sentinel
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L14:
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call rcInit2; cmp r0,inPtr; bne L14
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call rcInit2; cmp r0,inPtr; bne L14
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L200: // main loop
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ldr t0,outBuf
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ldr t1,posStateMask
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sub nowPos,outPtr,t0
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and mi,nowPos,t1
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str mi,posState
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add mi,mi,state, lsl #kNumPosBitsMax
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add p_in,p,#IsMatch<<1
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call rcGetBit_mi0; bne L270
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ldr t0,outBuf
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ldr t1,posStateMask
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sub nowPos,outPtr,t0
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and mi,nowPos,t1
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str mi,posState
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add mi,mi,state, lsl #kNumPosBitsMax
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add p_in,p,#IsMatch<<1
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call rcGetBit_mi0; bne L270
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ldr t0,litPosMask
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ldr t1,lc
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and t0,t0,nowPos
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ldrb mi,prevB
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mov t0,t0,lsl t1 // (nowPos & litPosMask)<<lc
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rsb t1,t1,#8
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add t0,t0,mi,lsr t1 // + (prevB >> (8- lc))
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add prob, p,#lo8(Literal<<1)
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add t0,t0,t0,lsl #1 // *3
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add prob,prob,#hi8(Literal<<1)
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mov symbol,#1
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add prob,prob,t0,lsl #1+ 8 // *768 *2
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ldr t0,litPosMask
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ldr t1,lc
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and t0,t0,nowPos
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ldrb mi,prevB
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mov t0,t0,lsl t1 // (nowPos & litPosMask)<<lc
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rsb t1,t1,#8
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add t0,t0,mi,lsr t1 // + (prevB >> (8- lc))
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add prob, p,#lo8(Literal<<1)
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add t0,t0,t0,lsl #1 // *3
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add prob,prob,#hi8(Literal<<1)
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mov symbol,#1
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add prob,prob,t0,lsl #1+ 8 // *768 *2
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cmp state,#kNumLitStates; blo L240
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cmp state,#kNumLitStates; blo L240
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L205:
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ldr r_rep0,rep0
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ldrb matchB,[outPtr, -r_rep0]
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ldr r_rep0,rep0
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ldrb matchB,[outPtr, -r_rep0]
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L210: // symbol === mi === mo
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mov matchB,matchB,lsl #1
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add p_in,prob,#0x100<<1
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and bit,matchB,#0x100
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add p_in,p_in,bit,lsl #1
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call rcGetBit_mi
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and t0,symbol,#1
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cmp t0,bit,lsr #8; bne L243 // break
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cmp symbol,#0x100; blo L210
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b L245
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mov matchB,matchB,lsl #1
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add p_in,prob,#0x100<<1
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and bit,matchB,#0x100
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add p_in,p_in,bit,lsl #1
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call rcGetBit_mi
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and t0,symbol,#1
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cmp t0,bit,lsr #8; bne L243 // break
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cmp symbol,#0x100; blo L210
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b L245
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L240: // symbol === mi === mo
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mov p_in,prob
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call rcGetBit_mi
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mov p_in,prob
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call rcGetBit_mi
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L243:
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cmp symbol,#0x100; blo L240
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cmp symbol,#0x100; blo L240
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L245:
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mov t0,#6
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cmp state,#10; movlo t0,#3
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cmp state,# 4; movlo t0,state
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sub state,state,t0
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b L298 // assumes symbol===r0
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mov t0,#6
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cmp state,#10; movlo t0,#3
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cmp state,# 4; movlo t0,state
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sub state,state,t0
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b L298 // assumes symbol===r0
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L270:
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add p_in,p,#IsRep<<1
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call rcGetBit_state0; bne L290
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ldr t0,rep2
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ldr t1,rep1
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ldr r_rep0,rep0
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str t0,rep3
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str t1,rep2
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str r_rep0,rep1
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cmp state,#kNumLitStates
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mov state,#3
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movlo state,#0
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add prob, p,#lo8(LenCoder<<1)
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add prob,prob,#hi8(LenCoder<<1)
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b L350
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add p_in,p,#IsRep<<1
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call rcGetBit_state0; bne L290
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ldr t0,rep2
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ldr t1,rep1
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ldr r_rep0,rep0
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str t0,rep3
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str t1,rep2
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str r_rep0,rep1
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cmp state,#kNumLitStates
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mov state,#3
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movlo state,#0
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add prob, p,#lo8(LenCoder<<1)
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add prob,prob,#hi8(LenCoder<<1)
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b L350
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L290:
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add p_in,p,#IsRepG0<<1
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call rcGetBit_state0; bne L300
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add p_in,p,#IsRepG0<<1
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call rcGetBit_state0; bne L300
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L293:
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ldr t0,posState
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add p_in,p,#IsRep0Long<<1
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add mi,t0,state,lsl #kNumPosBitsMax
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call rcGetBit_mi0; bne L340
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ldr t0,posState
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add p_in,p,#IsRep0Long<<1
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add mi,t0,state,lsl #kNumPosBitsMax
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call rcGetBit_mi0; bne L340
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L295:
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cmp state,#kNumLitStates
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mov state,#11
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movlo state,#9
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cmp state,#kNumLitStates
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mov state,#11
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movlo state,#9
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L297:
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ldr t0,outBuf
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ldr r_rep0,rep0
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sub nowPos,outPtr,t0
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cmp nowPos,r_rep0; blo lzmaDataError
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ldrb r0,[outPtr, -r_rep0]
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ldr t0,outBuf
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ldr r_rep0,rep0
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sub nowPos,outPtr,t0
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cmp nowPos,r_rep0; blo lzmaDataError
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ldrb r0,[outPtr, -r_rep0]
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L298:
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strb r0,[outPtr],#1
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b L519
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strb r0,[outPtr],#1
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b L519
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L300:
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add p_in,p,#IsRepG1<<1
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call rcGetBit_state0; ldr distance,rep1; beq L330
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add p_in,p,#IsRepG1<<1
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call rcGetBit_state0; ldr distance,rep1; beq L330
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L310:
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add p_in,p,#IsRepG2<<1
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call rcGetBit_state0; ldr distance,rep2; beq L325
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add p_in,p,#IsRepG2<<1
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call rcGetBit_state0; ldr distance,rep2; beq L325
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L320:
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ldr t0,rep2
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ldr distance,rep3
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str t0,rep3
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ldr t0,rep2
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ldr distance,rep3
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str t0,rep3
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L325:
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ldr t0,rep1
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str t0,rep2
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ldr t0,rep1
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str t0,rep2
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L330:
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ldr r_rep0,rep0
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str distance,rep0
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str r_rep0,rep1
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ldr r_rep0,rep0
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str distance,rep0
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str r_rep0,rep1
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L340:
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cmp state,#kNumLitStates
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mov state,#11
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movlo state,#8
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add prob, p,#lo8(RepLenCoder<<1)
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add prob,prob,#hi8(RepLenCoder<<1)
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cmp state,#kNumLitStates
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mov state,#11
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movlo state,#8
|
||||
add prob, p,#lo8(RepLenCoder<<1)
|
||||
add prob,prob,#hi8(RepLenCoder<<1)
|
||||
L350:
|
||||
add p_in,prob,#LenChoice<<1
|
||||
call rcGetBit_0; bne L360
|
||||
ldr t0,posState
|
||||
add probLen,prob,#LenLow<<1
|
||||
mov t1,#0
|
||||
add probLen,probLen,t0,lsl #1+ kLenNumLowBits
|
||||
mov hibit,#1<<kLenNumLowBits
|
||||
b L390
|
||||
add p_in,prob,#LenChoice<<1
|
||||
call rcGetBit_0; bne L360
|
||||
ldr t0,posState
|
||||
add probLen,prob,#LenLow<<1
|
||||
mov t1,#0
|
||||
add probLen,probLen,t0,lsl #1+ kLenNumLowBits
|
||||
mov hibit,#1<<kLenNumLowBits
|
||||
b L390
|
||||
L360:
|
||||
add p_in,prob,#LenChoice2<<1
|
||||
call rcGetBit_0; bne L370
|
||||
ldr t0,posState
|
||||
add probLen,prob,#LenMid<<1
|
||||
mov t1,#kLenNumLowSymbols
|
||||
add probLen,probLen,t0,lsl #1+ kLenNumMidBits
|
||||
mov hibit,#1<<kLenNumMidBits
|
||||
b L390
|
||||
add p_in,prob,#LenChoice2<<1
|
||||
call rcGetBit_0; bne L370
|
||||
ldr t0,posState
|
||||
add probLen,prob,#LenMid<<1
|
||||
mov t1,#kLenNumLowSymbols
|
||||
add probLen,probLen,t0,lsl #1+ kLenNumMidBits
|
||||
mov hibit,#1<<kLenNumMidBits
|
||||
b L390
|
||||
L370:
|
||||
add probLen,prob,#LenHigh<<1
|
||||
mov t1,#kLenNumLowSymbols + kLenNumMidSymbols
|
||||
mov hibit,$1<<kLenNumHighBits
|
||||
add probLen,prob,#LenHigh<<1
|
||||
mov t1,#kLenNumLowSymbols + kLenNumMidSymbols
|
||||
mov hibit,$1<<kLenNumHighBits
|
||||
L390:
|
||||
str t1,m_len
|
||||
mov mi,#1
|
||||
str t1,m_len
|
||||
mov mi,#1
|
||||
L395: // RangeDecoderBitTreeDecode
|
||||
mov p_in,probLen
|
||||
call rcGetBit_mi; subs t0,mo,hibit; blo L395
|
||||
ldr r_len,m_len
|
||||
add r_len,r_len,t0
|
||||
str r_len,m_len
|
||||
ldr r_rep0,rep0 // rep0 in register from L400 to L500(L510)
|
||||
cmp state,#4; bhs L500
|
||||
mov p_in,probLen
|
||||
call rcGetBit_mi; subs t0,mo,hibit; blo L395
|
||||
ldr r_len,m_len
|
||||
add r_len,r_len,t0
|
||||
str r_len,m_len
|
||||
ldr r_rep0,rep0 // rep0 in register from L400 to L500(L510)
|
||||
cmp state,#4; bhs L500
|
||||
/*L400:*/
|
||||
add state,state,#kNumLitStates
|
||||
cmp r_len,#kNumLenToPosStates
|
||||
movhs r_len,#kNumLenToPosStates -1
|
||||
add probLit,p,r_len,lsl #1+ kNumPosSlotBits
|
||||
add probLit,probLit,#PosSlot<<1
|
||||
mov mi,#1
|
||||
mov hibit,#1<<kNumPosSlotBits
|
||||
add state,state,#kNumLitStates
|
||||
cmp r_len,#kNumLenToPosStates
|
||||
movhs r_len,#kNumLenToPosStates -1
|
||||
add probLit,p,r_len,lsl #1+ kNumPosSlotBits
|
||||
add probLit,probLit,#PosSlot<<1
|
||||
mov mi,#1
|
||||
mov hibit,#1<<kNumPosSlotBits
|
||||
L403: // RangeDecoderBitTreeDecode
|
||||
mov p_in,probLit
|
||||
call rcGetBit_mi; subs r_posSlot,mo,hibit; blo L403
|
||||
str r_posSlot,posSlot
|
||||
mov p_in,probLit
|
||||
call rcGetBit_mi; subs r_posSlot,mo,hibit; blo L403
|
||||
str r_posSlot,posSlot
|
||||
|
||||
cmp r_posSlot,#kStartPosModelIndex; blo L460
|
||||
cmp r_posSlot,#kStartPosModelIndex; blo L460
|
||||
L405:
|
||||
mov numDirectBits,r_posSlot,lsr #1
|
||||
sub numDirectBits,numDirectBits,#1
|
||||
and r_rep0,r_posSlot,#1
|
||||
orr r_rep0,r_rep0,#2
|
||||
cmp r_posSlot,#kEndPosModelIndex; bhs L410
|
||||
mov numDirectBits,r_posSlot,lsr #1
|
||||
sub numDirectBits,numDirectBits,#1
|
||||
and r_rep0,r_posSlot,#1
|
||||
orr r_rep0,r_rep0,#2
|
||||
cmp r_posSlot,#kEndPosModelIndex; bhs L410
|
||||
L407:
|
||||
mov r_rep0,r_rep0,lsl numDirectBits
|
||||
add prob,p, #lo8((SpecPos -1)<<1)
|
||||
sub t0,r_rep0,r_posSlot // r_posSlot dies
|
||||
add prob,prob,#hi8((SpecPos -1)<<1)
|
||||
add prob,prob,t0,lsl #1
|
||||
b L438
|
||||
mov r_rep0,r_rep0,lsl numDirectBits
|
||||
add prob,p, #lo8((SpecPos -1)<<1)
|
||||
sub t0,r_rep0,r_posSlot // r_posSlot dies
|
||||
add prob,prob,#hi8((SpecPos -1)<<1)
|
||||
add prob,prob,t0,lsl #1
|
||||
b L438
|
||||
L410:
|
||||
sub numDirectBits,numDirectBits,#kNumAlignBits
|
||||
sub numDirectBits,numDirectBits,#kNumAlignBits
|
||||
L420:
|
||||
call rcNormalize
|
||||
mov Range,Range,lsr #1
|
||||
cmp Code,Range
|
||||
subhs Code,Code,Range // if (Code>=Range) Code-=Range;
|
||||
adc r_rep0,r_rep0,r_rep0 // r_rep0 = (r_rep0<<1) + (Code>=Range)
|
||||
call rcNormalize
|
||||
mov Range,Range,lsr #1
|
||||
cmp Code,Range
|
||||
subhs Code,Code,Range // if (Code>=Range) Code-=Range;
|
||||
adc r_rep0,r_rep0,r_rep0 // r_rep0 = (r_rep0<<1) + (Code>=Range)
|
||||
L430:
|
||||
subs numDirectBits,numDirectBits,#1; bne L420
|
||||
add prob,p, #lo8(Align<<1)
|
||||
add prob,prob,#hi8(Align<<1)
|
||||
mov r_rep0,r_rep0,lsl #kNumAlignBits
|
||||
mov numDirectBits,#kNumAlignBits
|
||||
subs numDirectBits,numDirectBits,#1; bne L420
|
||||
add prob,p, #lo8(Align<<1)
|
||||
add prob,prob,#hi8(Align<<1)
|
||||
mov r_rep0,r_rep0,lsl #kNumAlignBits
|
||||
mov numDirectBits,#kNumAlignBits
|
||||
L438:
|
||||
str r_rep0,rep0
|
||||
mov i,#1
|
||||
mov mi,#1
|
||||
str r_rep0,rep0
|
||||
mov i,#1
|
||||
mov mi,#1
|
||||
L440:
|
||||
mov p_in,prob; call rcGetBit_mi
|
||||
tst mo,#1; beq L445
|
||||
ldr r_rep0,rep0
|
||||
orr r_rep0,r_rep0,i
|
||||
str r_rep0,rep0
|
||||
mov p_in,prob; call rcGetBit_mi
|
||||
tst mo,#1; beq L445
|
||||
ldr r_rep0,rep0
|
||||
orr r_rep0,r_rep0,i
|
||||
str r_rep0,rep0
|
||||
L445:
|
||||
mov i,i,lsl #1
|
||||
subs numDirectBits,numDirectBits,#1; bne L440
|
||||
ldr r_rep0,rep0
|
||||
b L465
|
||||
mov i,i,lsl #1
|
||||
subs numDirectBits,numDirectBits,#1; bne L440
|
||||
ldr r_rep0,rep0
|
||||
b L465
|
||||
L450:
|
||||
L460:
|
||||
ldr r_rep0,posSlot
|
||||
ldr r_rep0,posSlot
|
||||
L465:
|
||||
adds r_rep0,r_rep0,#1
|
||||
adds r_rep0,r_rep0,#1
|
||||
#if 0 /*{ only for the stream version */
|
||||
bne L470
|
||||
mov t0,#kLzmaStreamWasFinishedId
|
||||
str t0,m_len
|
||||
b L530
|
||||
bne L470
|
||||
mov t0,#kLzmaStreamWasFinishedId
|
||||
str t0,m_len
|
||||
b L530
|
||||
L470:
|
||||
#endif /*}*/
|
||||
str r_rep0,rep0
|
||||
ldr r_len,m_len
|
||||
str r_rep0,rep0
|
||||
ldr r_len,m_len
|
||||
L500:
|
||||
ldr t0,outBuf
|
||||
add r_len,r_len,#kMatchMinLen
|
||||
sub t0,outPtr,t0 // nowPos
|
||||
cmp r_rep0,t0; bhi lzmaDataError
|
||||
ldr t1,outLim
|
||||
ldr t0,outBuf
|
||||
add r_len,r_len,#kMatchMinLen
|
||||
sub t0,outPtr,t0 // nowPos
|
||||
cmp r_rep0,t0; bhi lzmaDataError
|
||||
ldr t1,outLim
|
||||
L510:
|
||||
ldrb r0,[outPtr, -r_rep0]
|
||||
strb r0,[outPtr],#1
|
||||
cmp outPtr,t1; bhs L530
|
||||
subs r_len,r_len,#1; bne L510
|
||||
ldrb r0,[outPtr, -r_rep0]
|
||||
strb r0,[outPtr],#1
|
||||
cmp outPtr,t1; bhs L530
|
||||
subs r_len,r_len,#1; bne L510
|
||||
#if HAS_ARM_PLD /*{*/
|
||||
pld [outPtr,#32] // fetch next cache line
|
||||
pld [outPtr,#32] // fetch next cache line
|
||||
#endif /*}*/
|
||||
L519:
|
||||
strb r0,prevB // implicit &0xFF
|
||||
strb r0,prevB // implicit &0xFF
|
||||
L520: // bottom of while loop
|
||||
ldr t1,outLim
|
||||
cmp outPtr,t1; blo L200
|
||||
ldr t1,outLim
|
||||
cmp outPtr,t1; blo L200
|
||||
L530:
|
||||
call rcNormalize
|
||||
mov r0,#0 // success
|
||||
call rcNormalize
|
||||
mov r0,#0 // success
|
||||
lzmaExit:
|
||||
ldr t1,inBuf
|
||||
sub t0,inPtr,t1
|
||||
ldr t1,inSizeProcessed
|
||||
str t0,[t1]
|
||||
ldr t1,inBuf
|
||||
sub t0,inPtr,t1
|
||||
ldr t1,inSizeProcessed
|
||||
str t0,[t1]
|
||||
|
||||
ldr t1,outBuf
|
||||
sub t0,outPtr,t1
|
||||
ldr t1,outSizeProcessed
|
||||
str t0,[t1]
|
||||
ldr t1,outBuf
|
||||
sub t0,outPtr,t1
|
||||
ldr t1,outSizeProcessed
|
||||
str t0,[t1]
|
||||
|
||||
add sp,sp,#(14+1)*4
|
||||
ldmia sp!,{r4,r5,r6,r7, r8,r9,r10,r11, pc}
|
||||
add sp,sp,#(14+1)*4
|
||||
ldmia sp!,{r4,r5,r6,r7, r8,r9,r10,r11, pc}
|
||||
|
||||
lzmaDataError:
|
||||
mov r0,#1 // failure
|
||||
b lzmaExit
|
||||
mov r0,#1 // failure
|
||||
b lzmaExit
|
||||
|
||||
|
||||
rcNormalize:
|
||||
cmp Range,#kTopValue
|
||||
movhs pc,lr
|
||||
cmp Range,#kTopValue
|
||||
movhs pc,lr
|
||||
rcLoad:
|
||||
ldr t0,inLim
|
||||
mov Range,Range, lsl #8
|
||||
cmp t0,inPtr
|
||||
beq lzmaDataError
|
||||
ldr t0,inLim
|
||||
mov Range,Range, lsl #8
|
||||
cmp t0,inPtr
|
||||
beq lzmaDataError
|
||||
rcInit2:
|
||||
ldrb t0,[inPtr],#1
|
||||
orr Code,t0,Code, lsl #8
|
||||
mov pc,lr
|
||||
ldrb t0,[inPtr],#1
|
||||
orr Code,t0,Code, lsl #8
|
||||
mov pc,lr
|
||||
|
||||
rcGetBit_state0: // rcGetBit(0, state + p_in)
|
||||
mov mi,state
|
||||
mov mi,state
|
||||
rcGetBit_mi0: // rcGetBit(0, mi + p_in)
|
||||
add p_in,p_in,mi, lsl #1
|
||||
add p_in,p_in,mi, lsl #1
|
||||
rcGetBit_0: // rcGetBit(0, p_in)
|
||||
mov mi,#0
|
||||
mov mi,#0
|
||||
rcGetBit_mi: // rcGetBit(mi, mi + p_in)
|
||||
add p_in,p_in,mi, lsl #1
|
||||
add p_in,p_in,mi, lsl #1
|
||||
rcGetBit: // Out: CC set on mo
|
||||
cmp Range,#kTopValue
|
||||
mov t1,lr
|
||||
bllo rcLoad // conditional subroutine call
|
||||
cmp Range,#kTopValue
|
||||
mov t1,lr
|
||||
bllo rcLoad // conditional subroutine call
|
||||
#define starp t0
|
||||
#define bound lr
|
||||
#define y0tmp lr
|
||||
ldrh starp,[p_in]
|
||||
mov y0tmp,Range, lsr #kNumBitModelTotalBits
|
||||
mul bound,starp,y0tmp
|
||||
cmp Code,bound
|
||||
movlo Range, bound
|
||||
subhs Range,Range,bound
|
||||
rsblo y0tmp,starp,#kBitModelTotal
|
||||
subhs Code, Code, bound
|
||||
addlo starp,starp,y0tmp, lsr #kNumMoveBits
|
||||
subhs starp,starp,starp, lsr #kNumMoveBits
|
||||
adcs mo,mi,mi // mo = (mi<<1) | (Code >= bound); set CC
|
||||
strh starp,[p_in]
|
||||
ldrh starp,[p_in]
|
||||
mov y0tmp,Range, lsr #kNumBitModelTotalBits
|
||||
mul bound,starp,y0tmp
|
||||
cmp Code,bound
|
||||
movlo Range, bound
|
||||
subhs Range,Range,bound
|
||||
rsblo y0tmp,starp,#kBitModelTotal
|
||||
subhs Code, Code, bound
|
||||
addlo starp,starp,y0tmp, lsr #kNumMoveBits
|
||||
subhs starp,starp,starp, lsr #kNumMoveBits
|
||||
adcs mo,mi,mi // mo = (mi<<1) | (Code >= bound); set CC
|
||||
strh starp,[p_in]
|
||||
#undef y0tmp
|
||||
#undef bound
|
||||
#undef starp
|
||||
mov pc,t1
|
||||
mov pc,t1
|
||||
|
||||
// vi:ts=8:et
|
||||
|
||||
Loading…
Reference in New Issue
Block a user