зеркало из https://github.com/stride3d/freetype.git
Synchronize config files.
* builds/unix/ftconfig.in: Copy missing assembler routines from include/freetype/config/ftconfig.h.
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Родитель
9b00875093
Коммит
149f5438c4
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@ -1,3 +1,10 @@
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2011-04-18 Werner Lemberg <wl@gnu.org>
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Synchronize config files.
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* builds/unix/ftconfig.in: Copy missing assembler routines from
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include/freetype/config/ftconfig.h.
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2011-04-13 Werner Lemberg <wl@gnu.org>
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Fix Savannah bug #33047.
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@ -4,7 +4,7 @@
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/* */
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/* UNIX-specific configuration file (specification only). */
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/* */
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/* Copyright 1996-2001, 2002, 2003, 2004, 2006, 2007, 2008, 2009 by */
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/* Copyright 1996-2004, 2006-2009, 2011 by */
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/* David Turner, Robert Wilhelm, and Werner Lemberg. */
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/* */
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/* This file is part of the FreeType project, and may only be used, */
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@ -286,11 +286,42 @@ FT_BEGIN_HEADER
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/* Provide assembler fragments for performance-critical functions. */
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/* These must be defined `static __inline__' with GCC. */
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#if defined( __CC_ARM ) || defined( __ARMCC__ ) /* RVCT */
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#define FT_MULFIX_ASSEMBLER FT_MulFix_arm
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/* documentation is in freetype.h */
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static __inline FT_Int32
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FT_MulFix_arm( FT_Int32 a,
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FT_Int32 b )
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{
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register FT_Int32 t, t2;
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__asm
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{
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smull t2, t, b, a /* (lo=t2,hi=t) = a*b */
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mov a, t, asr #31 /* a = (hi >> 31) */
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add a, a, #0x8000 /* a += 0x8000 */
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adds t2, t2, a /* t2 += a */
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adc t, t, #0 /* t += carry */
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mov a, t2, lsr #16 /* a = t2 >> 16 */
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orr a, a, t, lsl #16 /* a |= t << 16 */
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}
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return a;
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}
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#endif /* __CC_ARM || __ARMCC__ */
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#ifdef __GNUC__
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#if defined( __arm__ ) && !defined( __thumb__ )
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#if defined( __arm__ ) && !defined( __thumb__ ) && \
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!( defined( __CC_ARM ) || defined( __ARMCC__ ) )
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#define FT_MULFIX_ASSEMBLER FT_MulFix_arm
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/* documentation is in freetype.h */
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static __inline__ FT_Int32
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FT_MulFix_arm( FT_Int32 a,
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FT_Int32 b )
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@ -311,11 +342,13 @@ FT_BEGIN_HEADER
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return a;
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}
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#endif /* __arm__ && !__thumb__ */
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#endif /* __arm__ && !__thumb__ && !( __CC_ARM || __ARMCC__ ) */
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#if defined( __i386__ )
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#define FT_MULFIX_ASSEMBLER FT_MulFix_i386
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/* documentation is in freetype.h */
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static __inline__ FT_Int32
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FT_MulFix_i386( FT_Int32 a,
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FT_Int32 b )
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@ -333,9 +366,9 @@ FT_BEGIN_HEADER
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"shrl $16, %%eax\n"
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"shll $16, %%edx\n"
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"addl %%edx, %%eax\n"
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: "=a"(result), "+d"(b)
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: "a"(a)
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: "%ecx" );
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: "=a"(result), "=d"(b)
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: "a"(a), "d"(b)
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: "%ecx", "cc" );
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return result;
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}
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#endif /* __GNUC__ */
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#ifdef _MSC_VER /* Visual C++ */
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#ifdef _M_IX86
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#define FT_MULFIX_ASSEMBLER FT_MulFix_i386
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/* documentation is in freetype.h */
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static __inline FT_Int32
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FT_MulFix_i386( FT_Int32 a,
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FT_Int32 b )
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{
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register FT_Int32 result;
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__asm
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{
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mov eax, a
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mov edx, b
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imul edx
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mov ecx, edx
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sar ecx, 31
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add ecx, 8000h
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add eax, ecx
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adc edx, 0
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shr eax, 16
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shl edx, 16
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add eax, edx
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mov result, eax
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}
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return result;
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}
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#endif /* _M_IX86 */
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#endif /* _MSC_VER */
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#endif /* !FT_CONFIG_OPTION_NO_ASSEMBLER */
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