1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/libjpeg/simd/jsimdext.inc Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,376 @@
1.4 +;
1.5 +; jsimdext.inc - common declarations
1.6 +;
1.7 +; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
1.8 +; Copyright 2010 D. R. Commander
1.9 +;
1.10 +; Based on
1.11 +; x86 SIMD extension for IJG JPEG library - version 1.02
1.12 +;
1.13 +; Copyright (C) 1999-2006, MIYASAKA Masaru.
1.14 +;
1.15 +; This software is provided 'as-is', without any express or implied
1.16 +; warranty. In no event will the authors be held liable for any damages
1.17 +; arising from the use of this software.
1.18 +;
1.19 +; Permission is granted to anyone to use this software for any purpose,
1.20 +; including commercial applications, and to alter it and redistribute it
1.21 +; freely, subject to the following restrictions:
1.22 +;
1.23 +; 1. The origin of this software must not be misrepresented; you must not
1.24 +; claim that you wrote the original software. If you use this software
1.25 +; in a product, an acknowledgment in the product documentation would be
1.26 +; appreciated but is not required.
1.27 +; 2. Altered source versions must be plainly marked as such, and must not be
1.28 +; misrepresented as being the original software.
1.29 +; 3. This notice may not be removed or altered from any source distribution.
1.30 +;
1.31 +; [TAB8]
1.32 +
1.33 +; ==========================================================================
1.34 +; System-dependent configurations
1.35 +
1.36 +%ifdef WIN32 ; ----(nasm -fwin32 -DWIN32 ...)--------
1.37 +; * Microsoft Visual C++
1.38 +; * MinGW (Minimalist GNU for Windows)
1.39 +; * CygWin
1.40 +; * LCC-Win32
1.41 +
1.42 +; -- segment definition --
1.43 +;
1.44 +%ifdef __YASM_VER__
1.45 +%define SEG_TEXT .text align=16
1.46 +%define SEG_CONST .rdata align=16
1.47 +%else
1.48 +%define SEG_TEXT .text align=16 public use32 class=CODE
1.49 +%define SEG_CONST .rdata align=16 public use32 class=CONST
1.50 +%endif
1.51 +
1.52 +%elifdef WIN64 ; ----(nasm -fwin64 -DWIN64 ...)--------
1.53 +; * Microsoft Visual C++
1.54 +
1.55 +; -- segment definition --
1.56 +;
1.57 +%ifdef __YASM_VER__
1.58 +%define SEG_TEXT .text align=16
1.59 +%define SEG_CONST .rdata align=16
1.60 +%else
1.61 +%define SEG_TEXT .text align=16 public use64 class=CODE
1.62 +%define SEG_CONST .rdata align=16 public use64 class=CONST
1.63 +%endif
1.64 +%define EXTN(name) name ; foo() -> foo
1.65 +
1.66 +%elifdef OBJ32 ; ----(nasm -fobj -DOBJ32 ...)----------
1.67 +; * Borland C++ (Win32)
1.68 +
1.69 +; -- segment definition --
1.70 +;
1.71 +%define SEG_TEXT .text align=16 public use32 class=CODE
1.72 +%define SEG_CONST .data align=16 public use32 class=DATA
1.73 +
1.74 +%elifdef ELF ; ----(nasm -felf[64] -DELF ...)------------
1.75 +; * Linux
1.76 +; * *BSD family Unix using elf format
1.77 +; * Unix System V, including Solaris x86, UnixWare and SCO Unix
1.78 +
1.79 +; mark stack as non-executable
1.80 +section .note.GNU-stack noalloc noexec nowrite progbits
1.81 +
1.82 +; -- segment definition --
1.83 +;
1.84 +%ifdef __x86_64__
1.85 +%define SEG_TEXT .text progbits align=16
1.86 +%define SEG_CONST .rodata progbits align=16
1.87 +%else
1.88 +%define SEG_TEXT .text progbits alloc exec nowrite align=16
1.89 +%define SEG_CONST .rodata progbits alloc noexec nowrite align=16
1.90 +%endif
1.91 +
1.92 +; To make the code position-independent, append -DPIC to the commandline
1.93 +;
1.94 +%define GOT_SYMBOL _GLOBAL_OFFSET_TABLE_ ; ELF supports PIC
1.95 +%define EXTN(name) name ; foo() -> foo
1.96 +
1.97 +%elifdef AOUT ; ----(nasm -faoutb/aout -DAOUT ...)----
1.98 +; * Older Linux using a.out format (nasm -f aout -DAOUT ...)
1.99 +; * *BSD family Unix using a.out format (nasm -f aoutb -DAOUT ...)
1.100 +
1.101 +; -- segment definition --
1.102 +;
1.103 +%define SEG_TEXT .text
1.104 +%define SEG_CONST .data
1.105 +
1.106 +; To make the code position-independent, append -DPIC to the commandline
1.107 +;
1.108 +%define GOT_SYMBOL __GLOBAL_OFFSET_TABLE_ ; BSD-style a.out supports PIC
1.109 +
1.110 +%elifdef MACHO ; ----(nasm -fmacho -DMACHO ...)--------
1.111 +; * NeXTstep/OpenStep/Rhapsody/Darwin/MacOS X (Mach-O format)
1.112 +
1.113 +; -- segment definition --
1.114 +;
1.115 +%define SEG_TEXT .text ;align=16 ; nasm doesn't accept align=16. why?
1.116 +%define SEG_CONST .rodata align=16
1.117 +
1.118 +; The generation of position-independent code (PIC) is the default on Darwin.
1.119 +;
1.120 +%define PIC
1.121 +%define GOT_SYMBOL _MACHO_PIC_ ; Mach-O style code-relative addressing
1.122 +
1.123 +%else ; ----(Other case)----------------------
1.124 +
1.125 +; -- segment definition --
1.126 +;
1.127 +%define SEG_TEXT .text
1.128 +%define SEG_CONST .data
1.129 +
1.130 +%endif ; ----------------------------------------------
1.131 +
1.132 +; ==========================================================================
1.133 +
1.134 +; --------------------------------------------------------------------------
1.135 +; Common types
1.136 +;
1.137 +%ifdef __x86_64__
1.138 +%define POINTER qword ; general pointer type
1.139 +%define SIZEOF_POINTER SIZEOF_QWORD ; sizeof(POINTER)
1.140 +%define POINTER_BIT QWORD_BIT ; sizeof(POINTER)*BYTE_BIT
1.141 +%else
1.142 +%define POINTER dword ; general pointer type
1.143 +%define SIZEOF_POINTER SIZEOF_DWORD ; sizeof(POINTER)
1.144 +%define POINTER_BIT DWORD_BIT ; sizeof(POINTER)*BYTE_BIT
1.145 +%endif
1.146 +
1.147 +%define INT dword ; signed integer type
1.148 +%define SIZEOF_INT SIZEOF_DWORD ; sizeof(INT)
1.149 +%define INT_BIT DWORD_BIT ; sizeof(INT)*BYTE_BIT
1.150 +
1.151 +%define FP32 dword ; IEEE754 single
1.152 +%define SIZEOF_FP32 SIZEOF_DWORD ; sizeof(FP32)
1.153 +%define FP32_BIT DWORD_BIT ; sizeof(FP32)*BYTE_BIT
1.154 +
1.155 +%define MMWORD qword ; int64 (MMX register)
1.156 +%define SIZEOF_MMWORD SIZEOF_QWORD ; sizeof(MMWORD)
1.157 +%define MMWORD_BIT QWORD_BIT ; sizeof(MMWORD)*BYTE_BIT
1.158 +
1.159 +; NASM is buggy and doesn't properly handle operand sizes for SSE
1.160 +; instructions, so for now we have to define XMMWORD as blank.
1.161 +%define XMMWORD ; int128 (SSE register)
1.162 +%define SIZEOF_XMMWORD SIZEOF_OWORD ; sizeof(XMMWORD)
1.163 +%define XMMWORD_BIT OWORD_BIT ; sizeof(XMMWORD)*BYTE_BIT
1.164 +
1.165 +; Similar hacks for when we load a dword or MMWORD into an xmm# register
1.166 +%define XMM_DWORD
1.167 +%define XMM_MMWORD
1.168 +
1.169 +%define SIZEOF_BYTE 1 ; sizeof(BYTE)
1.170 +%define SIZEOF_WORD 2 ; sizeof(WORD)
1.171 +%define SIZEOF_DWORD 4 ; sizeof(DWORD)
1.172 +%define SIZEOF_QWORD 8 ; sizeof(QWORD)
1.173 +%define SIZEOF_OWORD 16 ; sizeof(OWORD)
1.174 +
1.175 +%define BYTE_BIT 8 ; CHAR_BIT in C
1.176 +%define WORD_BIT 16 ; sizeof(WORD)*BYTE_BIT
1.177 +%define DWORD_BIT 32 ; sizeof(DWORD)*BYTE_BIT
1.178 +%define QWORD_BIT 64 ; sizeof(QWORD)*BYTE_BIT
1.179 +%define OWORD_BIT 128 ; sizeof(OWORD)*BYTE_BIT
1.180 +
1.181 +; --------------------------------------------------------------------------
1.182 +; External Symbol Name
1.183 +;
1.184 +%ifndef EXTN
1.185 +%define EXTN(name) _ %+ name ; foo() -> _foo
1.186 +%endif
1.187 +
1.188 +; --------------------------------------------------------------------------
1.189 +; Macros for position-independent code (PIC) support
1.190 +;
1.191 +%ifndef GOT_SYMBOL
1.192 +%undef PIC
1.193 +%endif
1.194 +
1.195 +%ifdef PIC ; -------------------------------------------
1.196 +
1.197 +%ifidn GOT_SYMBOL,_MACHO_PIC_ ; --------------------
1.198 +
1.199 +; At present, nasm doesn't seem to support PIC generation for Mach-O.
1.200 +; The PIC support code below is a little tricky.
1.201 +
1.202 + SECTION SEG_CONST
1.203 +const_base:
1.204 +
1.205 +%define GOTOFF(got,sym) (got) + (sym) - const_base
1.206 +
1.207 +%imacro get_GOT 1
1.208 + ; NOTE: this macro destroys ecx resister.
1.209 + call %%geteip
1.210 + add ecx, byte (%%ref - $)
1.211 + jmp short %%adjust
1.212 +%%geteip:
1.213 + mov ecx, POINTER [esp]
1.214 + ret
1.215 +%%adjust:
1.216 + push ebp
1.217 + xor ebp,ebp ; ebp = 0
1.218 +%ifidni %1,ebx ; (%1 == ebx)
1.219 + ; db 0x8D,0x9C + jmp near const_base =
1.220 + ; lea ebx, [ecx+ebp*8+(const_base-%%ref)] ; 8D,9C,E9,(offset32)
1.221 + db 0x8D,0x9C ; 8D,9C
1.222 + jmp near const_base ; E9,(const_base-%%ref)
1.223 +%%ref:
1.224 +%else ; (%1 != ebx)
1.225 + ; db 0x8D,0x8C + jmp near const_base =
1.226 + ; lea ecx, [ecx+ebp*8+(const_base-%%ref)] ; 8D,8C,E9,(offset32)
1.227 + db 0x8D,0x8C ; 8D,8C
1.228 + jmp near const_base ; E9,(const_base-%%ref)
1.229 +%%ref: mov %1, ecx
1.230 +%endif ; (%1 == ebx)
1.231 + pop ebp
1.232 +%endmacro
1.233 +
1.234 +%else ; GOT_SYMBOL != _MACHO_PIC_ ----------------
1.235 +
1.236 +%define GOTOFF(got,sym) (got) + (sym) wrt ..gotoff
1.237 +
1.238 +%imacro get_GOT 1
1.239 + extern GOT_SYMBOL
1.240 + call %%geteip
1.241 + add %1, GOT_SYMBOL + $$ - $ wrt ..gotpc
1.242 + jmp short %%done
1.243 +%%geteip:
1.244 + mov %1, POINTER [esp]
1.245 + ret
1.246 +%%done:
1.247 +%endmacro
1.248 +
1.249 +%endif ; GOT_SYMBOL == _MACHO_PIC_ ----------------
1.250 +
1.251 +%imacro pushpic 1.nolist
1.252 + push %1
1.253 +%endmacro
1.254 +%imacro poppic 1.nolist
1.255 + pop %1
1.256 +%endmacro
1.257 +%imacro movpic 2.nolist
1.258 + mov %1,%2
1.259 +%endmacro
1.260 +
1.261 +%else ; !PIC -----------------------------------------
1.262 +
1.263 +%define GOTOFF(got,sym) (sym)
1.264 +
1.265 +%imacro get_GOT 1.nolist
1.266 +%endmacro
1.267 +%imacro pushpic 1.nolist
1.268 +%endmacro
1.269 +%imacro poppic 1.nolist
1.270 +%endmacro
1.271 +%imacro movpic 2.nolist
1.272 +%endmacro
1.273 +
1.274 +%endif ; PIC -----------------------------------------
1.275 +
1.276 +; --------------------------------------------------------------------------
1.277 +; Align the next instruction on {2,4,8,16,..}-byte boundary.
1.278 +; ".balign n,,m" in GNU as
1.279 +;
1.280 +%define MSKLE(x,y) (~(((y) & 0xFFFF) - ((x) & 0xFFFF)) >> 16)
1.281 +%define FILLB(b,n) (($$-(b)) & ((n)-1))
1.282 +
1.283 +%imacro alignx 1-2.nolist 0xFFFF
1.284 +%%bs: times MSKLE(FILLB(%%bs,%1),%2) & MSKLE(16,FILLB($,%1)) & FILLB($,%1) \
1.285 + db 0x90 ; nop
1.286 + times MSKLE(FILLB(%%bs,%1),%2) & FILLB($,%1)/9 \
1.287 + db 0x8D,0x9C,0x23,0x00,0x00,0x00,0x00 ; lea ebx,[ebx+0x00000000]
1.288 + times MSKLE(FILLB(%%bs,%1),%2) & FILLB($,%1)/7 \
1.289 + db 0x8D,0xAC,0x25,0x00,0x00,0x00,0x00 ; lea ebp,[ebp+0x00000000]
1.290 + times MSKLE(FILLB(%%bs,%1),%2) & FILLB($,%1)/6 \
1.291 + db 0x8D,0xAD,0x00,0x00,0x00,0x00 ; lea ebp,[ebp+0x00000000]
1.292 + times MSKLE(FILLB(%%bs,%1),%2) & FILLB($,%1)/4 \
1.293 + db 0x8D,0x6C,0x25,0x00 ; lea ebp,[ebp+0x00]
1.294 + times MSKLE(FILLB(%%bs,%1),%2) & FILLB($,%1)/3 \
1.295 + db 0x8D,0x6D,0x00 ; lea ebp,[ebp+0x00]
1.296 + times MSKLE(FILLB(%%bs,%1),%2) & FILLB($,%1)/2 \
1.297 + db 0x8B,0xED ; mov ebp,ebp
1.298 + times MSKLE(FILLB(%%bs,%1),%2) & FILLB($,%1)/1 \
1.299 + db 0x90 ; nop
1.300 +%endmacro
1.301 +
1.302 +; Align the next data on {2,4,8,16,..}-byte boundary.
1.303 +;
1.304 +%imacro alignz 1.nolist
1.305 + align %1, db 0 ; filling zeros
1.306 +%endmacro
1.307 +
1.308 +%ifdef __x86_64__
1.309 +
1.310 +%ifdef WIN64
1.311 +
1.312 +%imacro collect_args 0
1.313 + push r12
1.314 + push r13
1.315 + push r14
1.316 + push r15
1.317 + mov r10, rcx
1.318 + mov r11, rdx
1.319 + mov r12, r8
1.320 + mov r13, r9
1.321 + mov r14, [rax+48]
1.322 + mov r15, [rax+56]
1.323 + push rsi
1.324 + push rdi
1.325 + sub rsp, SIZEOF_XMMWORD
1.326 + movaps XMMWORD [rsp], xmm6
1.327 + sub rsp, SIZEOF_XMMWORD
1.328 + movaps XMMWORD [rsp], xmm7
1.329 +%endmacro
1.330 +
1.331 +%imacro uncollect_args 0
1.332 + movaps xmm7, XMMWORD [rsp]
1.333 + add rsp, SIZEOF_XMMWORD
1.334 + movaps xmm6, XMMWORD [rsp]
1.335 + add rsp, SIZEOF_XMMWORD
1.336 + pop rdi
1.337 + pop rsi
1.338 + pop r15
1.339 + pop r14
1.340 + pop r13
1.341 + pop r12
1.342 +%endmacro
1.343 +
1.344 +%else
1.345 +
1.346 +%imacro collect_args 0
1.347 + push r10
1.348 + push r11
1.349 + push r12
1.350 + push r13
1.351 + push r14
1.352 + push r15
1.353 + mov r10, rdi
1.354 + mov r11, rsi
1.355 + mov r12, rdx
1.356 + mov r13, rcx
1.357 + mov r14, r8
1.358 + mov r15, r9
1.359 +%endmacro
1.360 +
1.361 +%imacro uncollect_args 0
1.362 + pop r15
1.363 + pop r14
1.364 + pop r13
1.365 + pop r12
1.366 + pop r11
1.367 + pop r10
1.368 +%endmacro
1.369 +
1.370 +%endif
1.371 +
1.372 +%endif
1.373 +
1.374 +; --------------------------------------------------------------------------
1.375 +; Defines picked up from the C headers
1.376 +;
1.377 +%include "jsimdcfg.inc"
1.378 +
1.379 +; --------------------------------------------------------------------------
