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Diffstat (limited to 'libs/assimp/contrib/zlib/contrib/masmx64/inffasx64.asm')
| -rw-r--r-- | libs/assimp/contrib/zlib/contrib/masmx64/inffasx64.asm | 396 |
1 files changed, 0 insertions, 396 deletions
diff --git a/libs/assimp/contrib/zlib/contrib/masmx64/inffasx64.asm b/libs/assimp/contrib/zlib/contrib/masmx64/inffasx64.asm deleted file mode 100644 index 41ec823..0000000 --- a/libs/assimp/contrib/zlib/contrib/masmx64/inffasx64.asm +++ /dev/null @@ -1,396 +0,0 @@ -; inffasx64.asm is a hand tuned assembler version of inffast.c - fast decoding -; version for AMD64 on Windows using Microsoft C compiler -; -; inffasx64.asm is automatically convert from AMD64 portion of inffas86.c -; inffasx64.asm is called by inffas8664.c, which contain more info. - - -; to compile this file, I use option -; ml64.exe /Flinffasx64 /c /Zi inffasx64.asm -; with Microsoft Macro Assembler (x64) for AMD64 -; - -; This file compile with Microsoft Macro Assembler (x64) for AMD64 -; -; ml64.exe is given with Visual Studio 2005/2008/2010 and Windows WDK -; -; (you can get Windows WDK with ml64 for AMD64 from -; http://www.microsoft.com/whdc/Devtools/wdk/default.mspx for low price) -; - - -.code -inffas8664fnc PROC - -; see http://weblogs.asp.net/oldnewthing/archive/2004/01/14/58579.aspx and -; http://msdn.microsoft.com/library/en-us/kmarch/hh/kmarch/64bitAMD_8e951dd2-ee77-4728-8702-55ce4b5dd24a.xml.asp -; -; All registers must be preserved across the call, except for -; rax, rcx, rdx, r8, r-9, r10, and r11, which are scratch. - - - mov [rsp-8],rsi - mov [rsp-16],rdi - mov [rsp-24],r12 - mov [rsp-32],r13 - mov [rsp-40],r14 - mov [rsp-48],r15 - mov [rsp-56],rbx - - mov rax,rcx - - mov [rax+8], rbp ; /* save regs rbp and rsp */ - mov [rax], rsp - - mov rsp, rax ; /* make rsp point to &ar */ - - mov rsi, [rsp+16] ; /* rsi = in */ - mov rdi, [rsp+32] ; /* rdi = out */ - mov r9, [rsp+24] ; /* r9 = last */ - mov r10, [rsp+48] ; /* r10 = end */ - mov rbp, [rsp+64] ; /* rbp = lcode */ - mov r11, [rsp+72] ; /* r11 = dcode */ - mov rdx, [rsp+80] ; /* rdx = hold */ - mov ebx, [rsp+88] ; /* ebx = bits */ - mov r12d, [rsp+100] ; /* r12d = lmask */ - mov r13d, [rsp+104] ; /* r13d = dmask */ - ; /* r14d = len */ - ; /* r15d = dist */ - - - cld - cmp r10, rdi - je L_one_time ; /* if only one decode left */ - cmp r9, rsi - - jne L_do_loop - - -L_one_time: - mov r8, r12 ; /* r8 = lmask */ - cmp bl, 32 - ja L_get_length_code_one_time - - lodsd ; /* eax = *(uint *)in++ */ - mov cl, bl ; /* cl = bits, needs it for shifting */ - add bl, 32 ; /* bits += 32 */ - shl rax, cl - or rdx, rax ; /* hold |= *((uint *)in)++ << bits */ - jmp L_get_length_code_one_time - -ALIGN 4 -L_while_test: - cmp r10, rdi - jbe L_break_loop - cmp r9, rsi - jbe L_break_loop - -L_do_loop: - mov r8, r12 ; /* r8 = lmask */ - cmp bl, 32 - ja L_get_length_code ; /* if (32 < bits) */ - - lodsd ; /* eax = *(uint *)in++ */ - mov cl, bl ; /* cl = bits, needs it for shifting */ - add bl, 32 ; /* bits += 32 */ - shl rax, cl - or rdx, rax ; /* hold |= *((uint *)in)++ << bits */ - -L_get_length_code: - and r8, rdx ; /* r8 &= hold */ - mov eax, [rbp+r8*4] ; /* eax = lcode[hold & lmask] */ - - mov cl, ah ; /* cl = this.bits */ - sub bl, ah ; /* bits -= this.bits */ - shr rdx, cl ; /* hold >>= this.bits */ - - test al, al - jnz L_test_for_length_base ; /* if (op != 0) 45.7% */ - - mov r8, r12 ; /* r8 = lmask */ - shr eax, 16 ; /* output this.val char */ - stosb - -L_get_length_code_one_time: - and r8, rdx ; /* r8 &= hold */ - mov eax, [rbp+r8*4] ; /* eax = lcode[hold & lmask] */ - -L_dolen: - mov cl, ah ; /* cl = this.bits */ - sub bl, ah ; /* bits -= this.bits */ - shr rdx, cl ; /* hold >>= this.bits */ - - test al, al - jnz L_test_for_length_base ; /* if (op != 0) 45.7% */ - - shr eax, 16 ; /* output this.val char */ - stosb - jmp L_while_test - -ALIGN 4 -L_test_for_length_base: - mov r14d, eax ; /* len = this */ - shr r14d, 16 ; /* len = this.val */ - mov cl, al - - test al, 16 - jz L_test_for_second_level_length ; /* if ((op & 16) == 0) 8% */ - and cl, 15 ; /* op &= 15 */ - jz L_decode_distance ; /* if (!op) */ - -L_add_bits_to_len: - sub bl, cl - xor eax, eax - inc eax - shl eax, cl - dec eax - and eax, edx ; /* eax &= hold */ - shr rdx, cl - add r14d, eax ; /* len += hold & mask[op] */ - -L_decode_distance: - mov r8, r13 ; /* r8 = dmask */ - cmp bl, 32 - ja L_get_distance_code ; /* if (32 < bits) */ - - lodsd ; /* eax = *(uint *)in++ */ - mov cl, bl ; /* cl = bits, needs it for shifting */ - add bl, 32 ; /* bits += 32 */ - shl rax, cl - or rdx, rax ; /* hold |= *((uint *)in)++ << bits */ - -L_get_distance_code: - and r8, rdx ; /* r8 &= hold */ - mov eax, [r11+r8*4] ; /* eax = dcode[hold & dmask] */ - -L_dodist: - mov r15d, eax ; /* dist = this */ - shr r15d, 16 ; /* dist = this.val */ - mov cl, ah - sub bl, ah ; /* bits -= this.bits */ - shr rdx, cl ; /* hold >>= this.bits */ - mov cl, al ; /* cl = this.op */ - - test al, 16 ; /* if ((op & 16) == 0) */ - jz L_test_for_second_level_dist - and cl, 15 ; /* op &= 15 */ - jz L_check_dist_one - -L_add_bits_to_dist: - sub bl, cl - xor eax, eax - inc eax - shl eax, cl - dec eax ; /* (1 << op) - 1 */ - and eax, edx ; /* eax &= hold */ - shr rdx, cl - add r15d, eax ; /* dist += hold & ((1 << op) - 1) */ - -L_check_window: - mov r8, rsi ; /* save in so from can use it's reg */ - mov rax, rdi - sub rax, [rsp+40] ; /* nbytes = out - beg */ - - cmp eax, r15d - jb L_clip_window ; /* if (dist > nbytes) 4.2% */ - - mov ecx, r14d ; /* ecx = len */ - mov rsi, rdi - sub rsi, r15 ; /* from = out - dist */ - - sar ecx, 1 - jnc L_copy_two ; /* if len % 2 == 0 */ - - rep movsw - mov al, [rsi] - mov [rdi], al - inc rdi - - mov rsi, r8 ; /* move in back to %rsi, toss from */ - jmp L_while_test - -L_copy_two: - rep movsw - mov rsi, r8 ; /* move in back to %rsi, toss from */ - jmp L_while_test - -ALIGN 4 -L_check_dist_one: - cmp r15d, 1 ; /* if dist 1, is a memset */ - jne L_check_window - cmp [rsp+40], rdi ; /* if out == beg, outside window */ - je L_check_window - - mov ecx, r14d ; /* ecx = len */ - mov al, [rdi-1] - mov ah, al - - sar ecx, 1 - jnc L_set_two - mov [rdi], al - inc rdi - -L_set_two: - rep stosw - jmp L_while_test - -ALIGN 4 -L_test_for_second_level_length: - test al, 64 - jnz L_test_for_end_of_block ; /* if ((op & 64) != 0) */ - - xor eax, eax - inc eax - shl eax, cl - dec eax - and eax, edx ; /* eax &= hold */ - add eax, r14d ; /* eax += len */ - mov eax, [rbp+rax*4] ; /* eax = lcode[val+(hold&mask[op])]*/ - jmp L_dolen - -ALIGN 4 -L_test_for_second_level_dist: - test al, 64 - jnz L_invalid_distance_code ; /* if ((op & 64) != 0) */ - - xor eax, eax - inc eax - shl eax, cl - dec eax - and eax, edx ; /* eax &= hold */ - add eax, r15d ; /* eax += dist */ - mov eax, [r11+rax*4] ; /* eax = dcode[val+(hold&mask[op])]*/ - jmp L_dodist - -ALIGN 4 -L_clip_window: - mov ecx, eax ; /* ecx = nbytes */ - mov eax, [rsp+92] ; /* eax = wsize, prepare for dist cmp */ - neg ecx ; /* nbytes = -nbytes */ - - cmp eax, r15d - jb L_invalid_distance_too_far ; /* if (dist > wsize) */ - - add ecx, r15d ; /* nbytes = dist - nbytes */ - cmp dword ptr [rsp+96], 0 - jne L_wrap_around_window ; /* if (write != 0) */ - - mov rsi, [rsp+56] ; /* from = window */ - sub eax, ecx ; /* eax -= nbytes */ - add rsi, rax ; /* from += wsize - nbytes */ - - mov eax, r14d ; /* eax = len */ - cmp r14d, ecx - jbe L_do_copy ; /* if (nbytes >= len) */ - - sub eax, ecx ; /* eax -= nbytes */ - rep movsb - mov rsi, rdi - sub rsi, r15 ; /* from = &out[ -dist ] */ - jmp L_do_copy - -ALIGN 4 -L_wrap_around_window: - mov eax, [rsp+96] ; /* eax = write */ - cmp ecx, eax - jbe L_contiguous_in_window ; /* if (write >= nbytes) */ - - mov esi, [rsp+92] ; /* from = wsize */ - add rsi, [rsp+56] ; /* from += window */ - add rsi, rax ; /* from += write */ - sub rsi, rcx ; /* from -= nbytes */ - sub ecx, eax ; /* nbytes -= write */ - - mov eax, r14d ; /* eax = len */ - cmp eax, ecx - jbe L_do_copy ; /* if (nbytes >= len) */ - - sub eax, ecx ; /* len -= nbytes */ - rep movsb - mov rsi, [rsp+56] ; /* from = window */ - mov ecx, [rsp+96] ; /* nbytes = write */ - cmp eax, ecx - jbe L_do_copy ; /* if (nbytes >= len) */ - - sub eax, ecx ; /* len -= nbytes */ - rep movsb - mov rsi, rdi - sub rsi, r15 ; /* from = out - dist */ - jmp L_do_copy - -ALIGN 4 -L_contiguous_in_window: - mov rsi, [rsp+56] ; /* rsi = window */ - add rsi, rax - sub rsi, rcx ; /* from += write - nbytes */ - - mov eax, r14d ; /* eax = len */ - cmp eax, ecx - jbe L_do_copy ; /* if (nbytes >= len) */ - - sub eax, ecx ; /* len -= nbytes */ - rep movsb - mov rsi, rdi - sub rsi, r15 ; /* from = out - dist */ - jmp L_do_copy ; /* if (nbytes >= len) */ - -ALIGN 4 -L_do_copy: - mov ecx, eax ; /* ecx = len */ - rep movsb - - mov rsi, r8 ; /* move in back to %esi, toss from */ - jmp L_while_test - -L_test_for_end_of_block: - test al, 32 - jz L_invalid_literal_length_code - mov dword ptr [rsp+116], 1 - jmp L_break_loop_with_status - -L_invalid_literal_length_code: - mov dword ptr [rsp+116], 2 - jmp L_break_loop_with_status - -L_invalid_distance_code: - mov dword ptr [rsp+116], 3 - jmp L_break_loop_with_status - -L_invalid_distance_too_far: - mov dword ptr [rsp+116], 4 - jmp L_break_loop_with_status - -L_break_loop: - mov dword ptr [rsp+116], 0 - -L_break_loop_with_status: -; /* put in, out, bits, and hold back into ar and pop esp */ - mov [rsp+16], rsi ; /* in */ - mov [rsp+32], rdi ; /* out */ - mov [rsp+88], ebx ; /* bits */ - mov [rsp+80], rdx ; /* hold */ - - mov rax, [rsp] ; /* restore rbp and rsp */ - mov rbp, [rsp+8] - mov rsp, rax - - - - mov rsi,[rsp-8] - mov rdi,[rsp-16] - mov r12,[rsp-24] - mov r13,[rsp-32] - mov r14,[rsp-40] - mov r15,[rsp-48] - mov rbx,[rsp-56] - - ret 0 -; : -; : "m" (ar) -; : "memory", "%rax", "%rbx", "%rcx", "%rdx", "%rsi", "%rdi", -; "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15" -; ); - -inffas8664fnc ENDP -;_TEXT ENDS -END |