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Attachment 313882 Details for
Bug 416157
[patch]
Updated patch with SSE2_ALIGN changes
jpeg2.patch (text/plain), 48.72 KB, created by
Michael Moy
(
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Description:
Updated patch with SSE2_ALIGN changes
Filename:
MIME Type:
Creator:
Michael Moy
Size:
48.72 KB
patch
obsolete
>Index: gfx/thebes/public/gfxPlatform.h >=================================================================== >RCS file: /cvsroot/mozilla/gfx/thebes/public/gfxPlatform.h,v >retrieving revision 1.29 >diff -u -8 -p -r1.29 gfxPlatform.h >--- gfx/thebes/public/gfxPlatform.h 4 Apr 2008 04:23:19 -0000 1.29 >+++ gfx/thebes/public/gfxPlatform.h 5 Apr 2008 21:45:11 -0000 >@@ -44,16 +44,68 @@ > > #include "gfxTypes.h" > #include "gfxASurface.h" > > #ifdef XP_OS2 > #undef OS2EMX_PLAIN_CHAR > #endif > >+/* SSE2 Support Defines */ >+ >+/* GFX_HAVE_SSE2_INTEL_MNEMONICS means that the platform */ >+/* architecture supports SSE2 but the processor that we're */ >+/* running on may or may not have SSE2 capability and means */ >+/* that we have to check processor capabilities before using */ >+/* SSE2. */ >+ >+/* GFX_HAVE_SSE2_INTRINSICS means that the platform always */ >+/* supports SSE2. Mac OSX Intel is an example of this as their */ >+/* Intel Macs started with the Intel Core Duo processor which */ >+/* supports SSE2. */ >+ >+/* GFX_HAVE_SSE2_INTEL_MNEMONICS and GFX_HAVE_SSE2_INTRINSICS */ >+/* are mutually exclusive - they should not be both defined at */ >+/* the same time. */ >+ >+#if defined(XP_WIN32) && defined(_M_IX86) && !defined(__GNUC__) >+#define GFX_HAVE_SSE2_INTEL_MNEMONICS >+#endif >+ >+#if defined(__GNUC__) && defined(__i386__) && defined(XP_MACOSX) >+#define GFX_HAVE_SSE2_INTRINSICS >+#endif >+ >+#if defined(GFX_HAVE_SSE2_INTEL_MNEMONICS) && defined(GFX_HAVE_SSE2_INTRINSICS) >+#error Can't have both GFX_HAVE_SSE2_INTEL_MNEMONICS and GFX_HAVE_SSE2_INTRINSICS >+#endif >+ >+#ifdef GFX_HAVE_SSE2_INTRINSICS >+#define GFX_SSE2_ALIGN __attribute__ ((aligned (16))) >+#endif >+ >+#ifdef GFX_HAVE_SSE2_INTEL_MNEMONICS >+#define GFX_SSE2_ALIGN __declspec(align(16)) >+#endif >+ >+/* Define GFX_DEFINE_SSE2Present before the include of this file in the module */ >+/* where SSE2Present will be declared. */ >+ >+#if defined(GFX_HAVE_SSE2_INTEL_MNEMONICS) >+#if defined(GFX_DEFINE_SSE2Present) >+int SSE2Present = 0; >+#else >+extern int SSE2Present; >+#endif /* GFX_DEFINE_SSE2Present */ >+#elif defined(GFX_HAVE_SSE2_INTRINSICS) >+#define SSE2Present 1 >+#else >+#define SSE2Present 0 >+#endif >+ > typedef void* cmsHPROFILE; > typedef void* cmsHTRANSFORM; > > class gfxImageSurface; > class gfxFontGroup; > struct gfxFontStyle; > > // pref lang id's for font prefs >@@ -230,16 +282,23 @@ public: > */ > static cmsHTRANSFORM GetCMSInverseRGBTransform(); > > /** > * Return sRGBA -> output device transform. > */ > static cmsHTRANSFORM GetCMSRGBATransform(); > >+ /** >+ * Runtime check for SSE2 Support >+ */ >+#if defined(GFX_HAVE_SSE2_INTEL_MNEMONICS) >+ static int SSE2Support(); >+#endif >+ > protected: > gfxPlatform() { } > virtual ~gfxPlatform(); > > private: > virtual cmsHPROFILE GetPlatformCMSOutputProfile(); > }; > >Index: gfx/thebes/src/gfxPlatform.cpp >=================================================================== >RCS file: /cvsroot/mozilla/gfx/thebes/src/gfxPlatform.cpp,v >retrieving revision 1.36 >diff -u -8 -p -r1.36 gfxPlatform.cpp >--- gfx/thebes/src/gfxPlatform.cpp 4 Apr 2008 04:23:19 -0000 1.36 >+++ gfx/thebes/src/gfxPlatform.cpp 5 Apr 2008 21:45:12 -0000 >@@ -30,16 +30,19 @@ > * use your version of this file under the terms of the MPL, indicate your > * decision by deleting the provisions above and replace them with the notice > * and other provisions required by the GPL or the LGPL. If you do not delete > * the provisions above, a recipient may use your version of this file under > * the terms of any one of the MPL, the GPL or the LGPL. > * > * ***** END LICENSE BLOCK ***** */ > >+/* This declares SSE2Present = 0 */ >+#define GFX_DEFINE_SSE2Present >+ > #include "gfxPlatform.h" > > #if defined(XP_WIN) > #include "gfxWindowsPlatform.h" > #elif defined(XP_MACOSX) > #include "gfxPlatformMac.h" > #include "gfxQuartzFontCache.h" > #elif defined(MOZ_WIDGET_GTK2) >@@ -64,16 +67,20 @@ > > #include "cairo.h" > #include "lcms.h" > > #include "plstr.h" > #include "nsIPrefService.h" > #include "nsIPrefBranch.h" > >+#ifdef GFX_HAVE_SSE2_INTEL_MNEMONICS >+#include "intrin.h" >+#endif >+ > gfxPlatform *gPlatform = nsnull; > int gGlitzState = -1; > static cmsHPROFILE gCMSOutputProfile = nsnull; > static cmsHTRANSFORM gCMSRGBTransform = nsnull; > static cmsHTRANSFORM gCMSInverseRGBTransform = nsnull; > static cmsHTRANSFORM gCMSRGBATransform = nsnull; > > // this needs to match the list of pref font.default.xx entries listed in all.js! >@@ -536,8 +543,23 @@ gfxPlatform::GetCMSRGBATransform() > > gCMSRGBATransform = cmsCreateTransform(inProfile, TYPE_RGBA_8, > outProfile, TYPE_RGBA_8, > INTENT_PERCEPTUAL, 0); > } > > return gCMSRGBATransform; > } >+ >+/* SSE2 runtime support check */ >+ >+#ifdef GFX_HAVE_SSE2_INTEL_MNEMONICS >+int gfxPlatform::SSE2Support() >+{ >+ int CPUInfo[4]; >+ >+ __cpuid(CPUInfo, 1); >+ if (CPUInfo[3] & (0x1 << 26)) >+ return 1; >+ else >+ return 2; >+} >+#endif >Index: jpeg/jconfig.h >=================================================================== >RCS file: /cvsroot/mozilla/jpeg/jconfig.h,v >retrieving revision 3.14 >diff -u -8 -p -r3.14 jconfig.h >--- jpeg/jconfig.h 30 Jan 2008 06:29:24 -0000 3.14 >+++ jpeg/jconfig.h 5 Apr 2008 21:45:14 -0000 >@@ -90,18 +90,8 @@ > > #undef TWO_FILE_COMMANDLINE > #undef NEED_SIGNAL_CATCHER > #undef DONT_USE_B_MODE > #undef PROGRESS_REPORT > > #endif /* JPEG_CJPEG_DJPEG */ > >-/* SSE* alignment support - only use on platforms that support declspec and __attribute__ */ >- >-#if defined(XP_WIN32) && defined(_M_IX86) && !defined(__GNUC__) >-#define ALIGN16_const_vector_short(name) __declspec(align(16)) const short name[8] >-#define ALIGN16_const_vector_uchar(name) __declspec(align(16)) const unsigned char name[16] >-#else >-#define ALIGN16_const_vector_short(name) const short name[8] __attribute__ ((aligned (16))) >-#define ALIGN16_const_vector_uchar(name) const unsigned char name[16] __attribute__ ((aligned (16))) >-#endif /* ! XP_WIN32 && _M_IX86 && !__GNUC */ >- >Index: jpeg/jdapimin.c >=================================================================== >RCS file: /cvsroot/mozilla/jpeg/jdapimin.c,v >retrieving revision 3.11 >diff -u -8 -p -r3.11 jdapimin.c >--- jpeg/jdapimin.c 12 Mar 2008 21:36:47 -0000 3.11 >+++ jpeg/jdapimin.c 5 Apr 2008 21:45:15 -0000 >@@ -62,24 +62,20 @@ NOT_SUPPORTED: > CPUInfo[3] = my_edx; > } > #endif /* _MSC_VER >= 1400 */ > > int MMXAvailable; > static int mmxsupport(); > #endif > >-#ifdef HAVE_SSE2_INTRINSICS >-int SSE2Available = 0; > #ifdef HAVE_SSE2_INTEL_MNEMONICS >+int SSE2Available = 0; > static int sse2support(); >-#else >-static int sse2supportGCC(); > #endif /* HAVE_SSE2_INTEL_MNEMONICS */ >-#endif /* HAVE_SSE2_INTRINSICS */ > > > /* > * Initialization of a JPEG decompression object. > * The error manager must already be set up (in case memory manager fails). > */ > > GLOBAL(void) >@@ -87,37 +83,27 @@ jpeg_CreateDecompress (j_decompress_ptr > { > int i; > > #ifdef HAVE_MMX_INTEL_MNEMONICS > static int cpuidDetected = 0; > > if(!cpuidDetected) > { >- MMXAvailable = mmxsupport(); >+ MMXAvailable = mmxsupport(); > > #ifdef HAVE_SSE2_INTEL_MNEMONICS > /* only do the sse2 support check if mmx is supported (so > we know the processor supports cpuid) */ > if (MMXAvailable) > SSE2Available = sse2support(); >-#endif >+#endif /* HAVE_SSE2_INTEL_MNEMONICS */ > > cpuidDetected = 1; > } >-#else >-#ifdef HAVE_SSE2_INTRINSICS >- static int cpuidDetected = 0; >- >- if(!cpuidDetected) { >- SSE2Available = sse2supportGCC(); >- cpuidDetected = 1; >- } >- >-#endif /* HAVE_SSE2_INTRINSICS */ > #endif /* HAVE_MMX_INTEL_MNEMONICS */ > > /* For debugging purposes, zero the whole master structure. > * But error manager pointer is already there, so save and restore it. > */ > > /* Guard against version mismatches between library and caller. */ > cinfo->mem = NULL; /* so jpeg_destroy knows mem mgr not called */ >@@ -488,43 +474,23 @@ static int mmxsupport() > int CPUInfo[4]; > > __cpuid(CPUInfo, 1); > if (CPUInfo[3] & (0x1 << 23)) > return 1; > else > return 0; > } >-#endif >+#endif /* HAVE_MMX_INTEL_MNEMONICS */ > > #ifdef HAVE_SSE2_INTEL_MNEMONICS > static int sse2support() > { > int CPUInfo[4]; > > __cpuid(CPUInfo, 1); > if (CPUInfo[3] & (0x1 << 26)) > return 1; > else > return 2; > } >-#else >-#ifdef HAVE_SSE2_INTRINSICS >-static int sse2supportGCC() >-{ >- >- /* Mac Intel started with Core Duo chips which have SSE2 Support */ >- >-#if defined(__GNUC__) && defined(__i386__) >-#if defined(XP_MACOSX) >- return 1; >-#endif /* XP_MACOSX */ >-#endif /* GNUC && i386 */ >- >- /* Add checking for SSE2 support for other platforms here */ >- >- /* We don't have SSE2 intrinsics support */ >- >- return 2; >-} >-#endif /* HAVE_SSE2_INTRINSICS */ > #endif /* HAVE_SSE2_INTEL_MNEMONICS */ > >Index: jpeg/jdcoefct.c >=================================================================== >RCS file: /cvsroot/mozilla/jpeg/jdcoefct.c,v >retrieving revision 3.2 >diff -u -8 -p -r3.2 jdcoefct.c >--- jpeg/jdcoefct.c 22 Jul 1998 21:15:10 -0000 3.2 >+++ jpeg/jdcoefct.c 5 Apr 2008 21:45:15 -0000 >@@ -40,21 +40,21 @@ typedef struct { > * We allocate a workspace of D_MAX_BLOCKS_IN_MCU coefficient blocks, > * and let the entropy decoder write into that workspace each time. > * (On 80x86, the workspace is FAR even though it's not really very big; > * this is to keep the module interfaces unchanged when a large coefficient > * buffer is necessary.) > * In multi-pass modes, this array points to the current MCU's blocks > * within the virtual arrays; it is used only by the input side. > */ >- JBLOCKROW MCU_buffer[D_MAX_BLOCKS_IN_MCU]; >+ SSE2_ALIGN JBLOCKROW MCU_buffer[D_MAX_BLOCKS_IN_MCU]; > > #ifdef D_MULTISCAN_FILES_SUPPORTED > /* In multi-pass modes, we need a virtual block array for each component. */ >- jvirt_barray_ptr whole_image[MAX_COMPONENTS]; >+ SSE2_ALIGN jvirt_barray_ptr whole_image[MAX_COMPONENTS]; > #endif > > #ifdef BLOCK_SMOOTHING_SUPPORTED > /* When doing block smoothing, we latch coefficient Al values here */ > int * coef_bits_latch; > #define SAVED_COEFS 6 /* we save coef_bits[0..5] */ > #endif > } my_coef_controller; >@@ -466,17 +466,17 @@ decompress_smooth_data (j_decompress_ptr > int ci, block_row, block_rows, access_rows; > JBLOCKARRAY buffer; > JBLOCKROW buffer_ptr, prev_block_row, next_block_row; > JSAMPARRAY output_ptr; > JDIMENSION output_col; > jpeg_component_info *compptr; > inverse_DCT_method_ptr inverse_DCT; > boolean first_row, last_row; >- JBLOCK workspace; >+ SSE2_ALIGN JBLOCK workspace; > int *coef_bits; > JQUANT_TBL *quanttbl; > INT32 Q00,Q01,Q02,Q10,Q11,Q20, num; > int DC1,DC2,DC3,DC4,DC5,DC6,DC7,DC8,DC9; > int Al, pred; > > /* Force some input to be done if we are getting ahead of the input. */ > while (cinfo->input_scan_number <= cinfo->output_scan_number && >@@ -718,19 +718,31 @@ jinit_d_coef_controller (j_decompress_pt > #else > ERREXIT(cinfo, JERR_NOT_COMPILED); > #endif > } else { > /* We only need a single-MCU buffer. */ > JBLOCKROW buffer; > int i; > >+#ifdef HAVE_SSE2_INTRINSICS >+ /* Align on 16-byte boundaries for the SSE2 code. */ >+ /* This won't work for 64-bit systems so conditional code it. */ >+ >+ PRUptrdiff buffer_shift; >+ >+ buffer_shift = (PRUptrdiff) >+ (*cinfo->mem->alloc_large) ((j_common_ptr) cinfo, JPOOL_IMAGE, >+ D_MAX_BLOCKS_IN_MCU * SIZEOF(JBLOCK) + 15); >+ buffer = (JBLOCKROW) ((buffer_shift + 15) & ~15); >+#else > buffer = (JBLOCKROW) > (*cinfo->mem->alloc_large) ((j_common_ptr) cinfo, JPOOL_IMAGE, > D_MAX_BLOCKS_IN_MCU * SIZEOF(JBLOCK)); >+#endif /* HAVE_SSE2_INTRINSICS */ > for (i = 0; i < D_MAX_BLOCKS_IN_MCU; i++) { > coef->MCU_buffer[i] = buffer + i; > } > coef->pub.consume_data = dummy_consume_data; > coef->pub.decompress_data = decompress_onepass; > coef->pub.coef_arrays = NULL; /* flag for no virtual arrays */ > } > } >Index: jpeg/jddctmgr.c >=================================================================== >RCS file: /cvsroot/mozilla/jpeg/jddctmgr.c,v >retrieving revision 3.4 >diff -u -8 -p -r3.4 jddctmgr.c >--- jpeg/jddctmgr.c 25 Jan 2008 06:52:01 -0000 3.4 >+++ jpeg/jddctmgr.c 5 Apr 2008 21:45:15 -0000 >@@ -14,17 +14,17 @@ > * dequantization as well as the IDCT proper. This module sets up the > * dequantization multiplier table needed by the IDCT routine. > */ > > #define JPEG_INTERNALS > #include "jinclude.h" > #include "jpeglib.h" > #include "jdct.h" /* Private declarations for DCT subsystem */ >-#ifdef HAVE_SSE2_INTRINSICS >+#ifdef HAVE_SSE2_INTEL_MNEMONICS > extern int SSE2Available; > #endif > > /* > * The decompressor input side (jdinput.c) saves away the appropriate > * quantization table for each component at the start of the first scan > * involving that component. (This is necessary in order to correctly > * decode files that reuse Q-table slots.) >@@ -75,24 +75,34 @@ typedef union { > #ifdef DCT_ISLOW_SUPPORTED > #define PROVIDE_ISLOW_TABLES > #else > #ifdef IDCT_SCALING_SUPPORTED > #define PROVIDE_ISLOW_TABLES > #endif > #endif > >+#ifdef HAVE_SSE2_INTEL_MNEMONICS > GLOBAL(void) > jpeg_idct_islow_sse2 ( > j_decompress_ptr cinfo, > jpeg_component_info * compptr, > JCOEFPTR coef_block, > JSAMPARRAY output_buf, > JDIMENSION output_col); >+#endif /* HAVE_SSE2_INTEL_MNEMONICS */ > >+#ifdef HAVE_SSE2_INTRINSICS >+jpeg_idct_ifast_sse2 ( >+ j_decompress_ptr cinfo, >+ jpeg_component_info * compptr, >+ JCOEFPTR coef_block, >+ JSAMPARRAY output_buf, >+ JDIMENSION output_col); >+#endif /* HAVE_SSE2_INTRINSICS */ > > /* > * Prepare for an output pass. > * Here we select the proper IDCT routine for each component and build > * a matching multiplier table. > */ > > METHODDEF(void) >@@ -142,31 +152,23 @@ start_pass (j_decompress_ptr cinfo) > method_ptr = jpeg_idct_islow; > method = JDCT_ISLOW; > > #endif /* HAVE_SSE2_INTEL_MNEMONICS */ > break; > #endif > #ifdef DCT_IFAST_SUPPORTED > case JDCT_IFAST: >-#ifdef HAVE_SSE2_INTEL_MNEMONICS >- if (SSE2Available==1) >- { >- method_ptr = jpeg_idct_islow_sse2; >- method = JDCT_ISLOW; >- } >- else >- { >- method_ptr = jpeg_idct_ifast; >- method = JDCT_IFAST; >- } >+#ifdef HAVE_SSE2_INTRINSICS >+ method_ptr = jpeg_idct_ifast_sse2; >+ method = JDCT_IFAST; > #else >- method_ptr = jpeg_idct_ifast; >- method = JDCT_IFAST; >-#endif /* HAVE_SSE2_INTEL_MNEMONICS */ >+ method_ptr = jpeg_idct_ifast; >+ method = JDCT_IFAST; >+#endif /* HAVE_SSE2_INTRINSICS */ > break; > > #endif > #ifdef DCT_FLOAT_SUPPORTED > case JDCT_FLOAT: > method_ptr = jpeg_idct_float; > method = JDCT_FLOAT; > break; >@@ -292,16 +294,28 @@ jinit_inverse_dct (j_decompress_ptr cinf > (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, > SIZEOF(my_idct_controller)); > cinfo->idct = (struct jpeg_inverse_dct *) idct; > idct->pub.start_pass = start_pass; > > for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; > ci++, compptr++) { > /* Allocate and pre-zero a multiplier table for each component */ >+#ifdef HAVE_SSE2_INTRINSICS >+ >+ /* Align dct_table on 16 bytes for SSE2 IDCT IFAST optimization */ >+ >+ PRUptrdiff buffer_pointer; >+ >+ buffer_pointer = (PRUptrdiff) >+ (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, >+ SIZEOF(multiplier_table) + 15); >+ compptr->dct_table = (void *) ((buffer_pointer + 15) & ~15); >+#else > compptr->dct_table = > (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, > SIZEOF(multiplier_table)); >+#endif /* HAVE_SSE2_INTRINSICS */ > MEMZERO(compptr->dct_table, SIZEOF(multiplier_table)); > /* Mark multiplier table not yet set up for any method */ > idct->cur_method[ci] = -1; > } > } >Index: jpeg/jidctfst.c >=================================================================== >RCS file: /cvsroot/mozilla/jpeg/jidctfst.c,v >retrieving revision 3.4 >diff -u -8 -p -r3.4 jidctfst.c >--- jpeg/jidctfst.c 27 Mar 2002 06:02:19 -0000 3.4 >+++ jpeg/jidctfst.c 5 Apr 2008 21:45:17 -0000 >@@ -166,16 +166,23 @@ jpeg_idct_ifast_mmx (j_decompress_ptr ci > JCOEFPTR coef_block, > JSAMPARRAY output_buf, JDIMENSION output_col); > __inline GLOBAL(void) > jpeg_idct_ifast_orig (j_decompress_ptr cinfo, jpeg_component_info * compptr, > JCOEFPTR coef_block, > JSAMPARRAY output_buf, JDIMENSION output_col); > #endif > >+#ifdef HAVE_SSE2_INTRINSICS >+GLOBAL(void) >+jpeg_idct_ifast_sse2 (j_decompress_ptr cinfo, jpeg_component_info * compptr, >+ JCOEFPTR coef_block, >+ JSAMPARRAY output_buf, JDIMENSION output_col); >+#endif /* HAVE_SSE2_INTRINSICS */ >+ > GLOBAL(void) > jpeg_idct_ifast(j_decompress_ptr cinfo, jpeg_component_info * compptr, > JCOEFPTR coef_block, > JSAMPARRAY output_buf, JDIMENSION output_col); > > > #ifdef HAVE_MMX_INTEL_MNEMONICS > GLOBAL(void) >@@ -1642,9 +1649,463 @@ jpeg_idct_ifast_mmx (j_decompress_ptr ci > > movq [ebx], mm3 > > emms > } > } > #endif > >+#ifdef HAVE_SSE2_INTRINSICS >+#include "xmmintrin.h" >+#include "emmintrin.h" >+ >+/* These values are taken from the decimal shifted left 14. When multiplying */ >+/* by these constants, we have to shift left the other multiplier so that we */ >+/* we can use pmulhw which will descale us by the 16 bits. */ >+ >+SSE2_ALIGN unsigned short SSE2_1_414213562[8] = >+ {23170, 23170, 23170, 23170, 23170, 23170, 23170, 23170}; >+SSE2_ALIGN unsigned short SSE2_1_847759065[8] = >+ {30274, 30274, 30274, 30274, 30274, 30274, 30274, 30274}; >+SSE2_ALIGN unsigned short SSE2_1_082392200[8] = >+ {17734, 17734, 17734, 17734, 17734, 17734, 17734, 17734}; >+SSE2_ALIGN unsigned short SSE2_NEG_0_765366865[8] = >+ {52996, 52996, 52996, 52996, 52996, 52996, 52996, 52996}; >+ >+/* This following is to compensate for range_limit and is shifted five to */ >+/* the left as that's what we're scaled for at the time. */ >+ >+SSE2_ALIGN unsigned short SSE2_ADD_128[8] = >+ {4096, 4096, 4096, 4096, 4096, 4096, 4096, 4096}; >+ >+/*---------------------------------------------------------------------------*/ >+ >+inline GLOBAL(void) >+ jpeg_idct_ifast_sse2 (j_decompress_ptr cinfo, jpeg_component_info * compptr, >+ JCOEFPTR coef_block, >+ JSAMPARRAY output_buf, JDIMENSION output_col) >+{ >+ __m128i row0, row1, row2, row3, row4, row5, row6, row7; >+ __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; >+ __m128i tmp10, tmp11, tmp12, tmp13, z10, z11, z12, z13; >+ __m128i xps0, xps1, xps2, xps3, rowa; >+ __m128i * quantptr; >+ __m128i * coefptr; >+ JSAMPROW outptr0, outptr1, outptr2, outptr3, outptr4, outptr5, outptr6, outptr7; >+ >+ /* ====================================================================== */ >+ /* Load registers from the coefficient block */ >+ /* ====================================================================== */ >+ >+ quantptr = (__m128i *) compptr->dct_table; >+ coefptr = (__m128i *) coef_block; >+ >+ row0 = *(coefptr+0); >+ row1 = *(coefptr+1); >+ row2 = *(coefptr+2); >+ row3 = *(coefptr+3); >+ row4 = *(coefptr+4); >+ row5 = *(coefptr+5); >+ row6 = *(coefptr+6); >+ row7 = *(coefptr+7); >+ row0 = _mm_mullo_epi16(row0, *(quantptr+0)); >+ row1 = _mm_mullo_epi16(row1, *(quantptr+1)); >+ row2 = _mm_mullo_epi16(row2, *(quantptr+2)); >+ row3 = _mm_mullo_epi16(row3, *(quantptr+3)); >+ row4 = _mm_mullo_epi16(row4, *(quantptr+4)); >+ row5 = _mm_mullo_epi16(row5, *(quantptr+5)); >+ row6 = _mm_mullo_epi16(row6, *(quantptr+6)); >+ row7 = _mm_mullo_epi16(row7, *(quantptr+7)); >+ >+ /* ====================================================================== */ >+ /* Inverse Discrete Cosine Transform Column Processing */ >+ /* ====================================================================== */ >+ >+ /* Even part */ >+ >+ /* tmp10 = ((DCTELEM) wsptr[0] + (DCTELEM) wsptr[4]); */ >+ /* tmp11 = ((DCTELEM) wsptr[0] - (DCTELEM) wsptr[4]); */ >+ >+ tmp10 = _mm_add_epi16(row0, row4); >+ tmp11 = _mm_sub_epi16(row0, row4); >+ >+ /* tmp13 = ((DCTELEM) wsptr[2] + (DCTELEM) wsptr[6]); */ >+ /* tmp12 = MULTIPLY((DCTELEM) wsptr[2] - (DCTELEM) wsptr[6], FIX_1_414213562) */ >+ /* - tmp13; */ >+ >+ tmp13 = _mm_add_epi16(row2, row6); >+ tmp12 = _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(row2, row6), 2), >+ *((__m128i *) SSE2_1_414213562)); >+ tmp12 = _mm_sub_epi16(tmp12, tmp13); >+ >+ /* tmp0 = tmp10 + tmp13; */ >+ /* tmp3 = tmp10 - tmp13; */ >+ /* tmp1 = tmp11 + tmp12; */ >+ /* tmp2 = tmp11 - tmp12; */ >+ >+ tmp0 = _mm_add_epi16(tmp10, tmp13); >+ tmp3 = _mm_sub_epi16(tmp10, tmp13); >+ tmp1 = _mm_add_epi16(tmp11, tmp12); >+ tmp2 = _mm_sub_epi16(tmp11, tmp12); >+ >+ /* Odd part */ >+ >+ /* z13 = (DCTELEM) wsptr[5] + (DCTELEM) wsptr[3]; */ >+ /* z10 = (DCTELEM) wsptr[5] - (DCTELEM) wsptr[3]; */ >+ /* z11 = (DCTELEM) wsptr[1] + (DCTELEM) wsptr[7]; */ >+ /* z12 = (DCTELEM) wsptr[1] - (DCTELEM) wsptr[7]; */ >+ >+ z13 = _mm_add_epi16(row5, row3); >+ z10 = _mm_sub_epi16(row5, row3); >+ z11 = _mm_add_epi16(row1, row7); >+ z12 = _mm_sub_epi16(row1, row7); >+ >+ /* phase 5 */ >+ >+ /* tmp7 = z11 + z13; */ >+ /* tmp11 = MULTIPLY(z11 - z13, FIX_1_414213562); */ >+ >+ tmp7 = _mm_add_epi16(z11, z13); >+ tmp11 = _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(z11, z13), 2), >+ *((__m128i *) SSE2_1_414213562)); >+ >+ /* z5 = MULTIPLY(z10 + z12, FIX_1_847759065); */ >+ /* tmp10 = MULTIPLY(z12, FIX_1_082392200) - z5; */ >+ /* tmp12 = MULTIPLY(z10, - FIX_2_613125930) + z5; */ >+ >+ /* This is really a mess as the negative 2.61 doesn't work well */ >+ /* as we're working with 16-bit integers. So we're going to apply */ >+ /* a little algebra to get: */ >+ >+ /* tmp10 = z12 * (FIX_1_082392200 - FIX_1_847759065) - z10*FIX_1_847759065 */ >+ /* tmp12 = z10 * (FIX_1_847759065 - FIX_2_613125930) + z12*FIX_1_847759065 */ >+ >+ /* or */ >+ >+ /* tmp10 = z12 * FIX_NEG_0_765366865 - z10 * FIX_1_847759065 */ >+ /* tmp12 = z10 * FIX_NEG_0_765366865 + z12 * FIX_1_847759065 */ >+ >+ z10 = _mm_slli_epi16(z10, 2); >+ z12 = _mm_slli_epi16(z12, 2); >+ >+ tmp10 = _mm_sub_epi16(_mm_mulhi_epi16(z12, *((__m128i *)SSE2_NEG_0_765366865)), >+ _mm_mulhi_epi16(z10, *((__m128i *)SSE2_1_847759065))); >+ tmp12 = _mm_add_epi16(_mm_mulhi_epi16(z10, *((__m128i *)SSE2_NEG_0_765366865)), >+ _mm_mulhi_epi16(z12, *((__m128i *)SSE2_1_847759065))); >+ >+ /* phase 2 */ >+ >+ /* tmp6 = tmp12 - tmp7; */ >+ /* tmp5 = tmp11 - tmp6; */ >+ /* tmp4 = tmp10 + tmp5; */ >+ >+ tmp6 = _mm_sub_epi16(tmp12, tmp7); >+ tmp5 = _mm_sub_epi16(tmp11, tmp6); >+ tmp4 = _mm_add_epi16(tmp10, tmp5); >+ >+ /* outptr[0] = range_limit[IDESCALE(tmp0 + tmp7, PASS1_BITS+3) */ >+ /* & RANGE_MASK]; */ >+ /* outptr[7] = range_limit[IDESCALE(tmp0 - tmp7, PASS1_BITS+3) */ >+ /* & RANGE_MASK]; */ >+ >+ row0 = _mm_add_epi16(tmp0, tmp7); >+ row7 = _mm_sub_epi16(tmp0, tmp7); >+ >+ /* outptr[1] = range_limit[IDESCALE(tmp1 + tmp6, PASS1_BITS+3) */ >+ /* & RANGE_MASK]; */ >+ /* outptr[6] = range_limit[IDESCALE(tmp1 - tmp6, PASS1_BITS+3) */ >+ /* & RANGE_MASK]; */ >+ >+ row1 = _mm_add_epi16(tmp1, tmp6); >+ row6 = _mm_sub_epi16(tmp1, tmp6); >+ >+ /* outptr[2] = range_limit[IDESCALE(tmp2 + tmp5, PASS1_BITS+3) */ >+ /* & RANGE_MASK]; */ >+ /* outptr[5] = range_limit[IDESCALE(tmp2 - tmp5, PASS1_BITS+3) */ >+ /* & RANGE_MASK]; */ >+ >+ row2 = _mm_add_epi16(tmp2, tmp5); >+ row5 = _mm_sub_epi16(tmp2, tmp5); >+ >+ /* outptr[4] = range_limit[IDESCALE(tmp3 + tmp4, PASS1_BITS+3) */ >+ /* & RANGE_MASK]; */ >+ /* outptr[3] = range_limit[IDESCALE(tmp3 - tmp4, PASS1_BITS+3) */ >+ /* & RANGE_MASK]; */ >+ >+ row4 = _mm_add_epi16(tmp3, tmp4); >+ row3 = _mm_sub_epi16(tmp3, tmp4); >+ >+ /* ====================================================================== */ >+ /* Transpose Matrix (Word) */ >+ /* ====================================================================== */ >+ >+ /* Save off the low quadwords from the even rows */ >+ >+ xps0 = _mm_move_epi64(row0); >+ xps1 = _mm_move_epi64(row2); >+ xps2 = _mm_move_epi64(row4); >+ xps3 = _mm_move_epi64(row6); >+ >+ /* Interleave the high quadwords */ >+ >+ row0 = _mm_unpackhi_epi16(row0, row1); /* 04 14 05 15 06 16 07 17 */ >+ row2 = _mm_unpackhi_epi16(row2, row3); /* 24 34 25 35 26 36 27 37 */ >+ row4 = _mm_unpackhi_epi16(row4, row5); /* 44 54 45 55 46 56 47 57 */ >+ row6 = _mm_unpackhi_epi16(row6, row7); /* 64 74 65 75 66 76 67 77 */ >+ >+ rowa = row0; >+ row0 = _mm_unpacklo_epi32(row0, row2); /* 04 14 24 34 05 15 25 35 */ >+ rowa = _mm_unpackhi_epi32(rowa, row2); /* 06 16 26 36 07 17 27 37 */ >+ >+ row2 = row4; >+ row4 = _mm_unpacklo_epi32(row4, row6); /* 44 54 64 74 45 55 65 75 */ >+ row2 = _mm_unpackhi_epi32(row2, row6); /* 46 56 66 76 47 57 67 77 */ >+ >+ row6 = row0; >+ row0 = _mm_unpacklo_epi64(row0, row4); /* 04 14 24 34 44 54 64 74 */ >+ row6 = _mm_unpackhi_epi64(row6, row4); /* 05 15 25 35 45 55 65 75 */ >+ >+ row4 = rowa; >+ rowa = _mm_unpacklo_epi64(rowa, row2); /* 06 16 26 36 46 56 66 76 */ >+ row4 = _mm_unpackhi_epi64(row4, row2); /* 07 17 27 37 47 57 67 77 */ >+ >+ /* row0, row6, rowa, row4 now contain *4, *5, *6, *7 */ >+ >+ /* Interleave the low quadwords */ >+ >+ xps0 = _mm_unpacklo_epi16(xps0, row1); /* 00 10 01 11 02 12 03 13 */ >+ xps1 = _mm_unpacklo_epi16(xps1, row3); /* 20 30 21 31 22 32 23 33 */ >+ xps2 = _mm_unpacklo_epi16(xps2, row5); /* 40 50 41 51 42 52 43 43 */ >+ xps3 = _mm_unpacklo_epi16(xps3, row7); /* 60 70 61 71 62 72 63 73 */ >+ >+ row2 = xps0; >+ xps0 = _mm_unpacklo_epi32(xps0, xps1); /* 00 10 20 30 01 11 21 31 */ >+ row2 = _mm_unpackhi_epi32(row2, xps1); /* 02 12 22 32 03 13 23 33 */ >+ >+ xps1 = xps2; >+ xps2 = _mm_unpacklo_epi32(xps2, xps3); /* 40 50 60 70 41 51 61 71 */ >+ xps1 = _mm_unpackhi_epi32(xps1, xps3); /* 42 52 62 72 43 53 63 73 */ >+ >+ xps3 = xps0; >+ xps0 = _mm_unpacklo_epi64(xps0, xps2); /* 00 10 20 30 40 50 60 70 */ >+ xps3 = _mm_unpackhi_epi64(xps3, xps2); /* 01 11 21 31 41 51 61 71 */ >+ >+ xps2 = row2; >+ row2 = _mm_unpacklo_epi64(row2, xps1); /* 02 12 22 32 42 52 62 72 */ >+ xps2 = _mm_unpackhi_epi64(xps2, xps1); /* 03 13 23 33 43 53 63 73 */ >+ >+ /* xps0, xps3, row2, xps2 now contain *0, *1, *2, *3 */ >+ >+ /* Restructure back to row0 to row7. */ >+ >+ row7 = row4; >+ row5 = row6; >+ row6 = rowa; >+ row4 = row0; >+ row0 = xps0; >+ row1 = xps3; >+ row3 = xps2; >+ >+ /* ====================================================================== */ >+ /* Inverse Discrete Cosine Transform Row Processing */ >+ /* ====================================================================== */ >+ >+ /* Even part */ >+ >+ /* tmp10 = ((DCTELEM) wsptr[0] + (DCTELEM) wsptr[4]); */ >+ /* tmp11 = ((DCTELEM) wsptr[0] - (DCTELEM) wsptr[4]); */ >+ >+ tmp10 = _mm_add_epi16(row0, row4); >+ tmp11 = _mm_sub_epi16(row0, row4); >+ >+ /* tmp13 = ((DCTELEM) wsptr[2] + (DCTELEM) wsptr[6]); */ >+ /* tmp12 = MULTIPLY((DCTELEM) wsptr[2] - (DCTELEM) wsptr[6], FIX_1_414213562) */ >+ /* - tmp13; */ >+ >+ tmp13 = _mm_add_epi16(row2, row6); >+ tmp12 = _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(row2, row6), 2), >+ *((__m128i *) SSE2_1_414213562)); >+ tmp12 = _mm_sub_epi16(tmp12, tmp13); >+ >+ /* tmp0 = tmp10 + tmp13; */ >+ /* tmp3 = tmp10 - tmp13; */ >+ /* tmp1 = tmp11 + tmp12; */ >+ /* tmp2 = tmp11 - tmp12; */ >+ >+ tmp0 = _mm_add_epi16(tmp10, tmp13); >+ tmp3 = _mm_sub_epi16(tmp10, tmp13); >+ tmp1 = _mm_add_epi16(tmp11, tmp12); >+ tmp2 = _mm_sub_epi16(tmp11, tmp12); >+ >+ /* Odd part */ >+ >+ /* z13 = (DCTELEM) wsptr[5] + (DCTELEM) wsptr[3]; */ >+ /* z10 = (DCTELEM) wsptr[5] - (DCTELEM) wsptr[3]; */ >+ /* z11 = (DCTELEM) wsptr[1] + (DCTELEM) wsptr[7]; */ >+ /* z12 = (DCTELEM) wsptr[1] - (DCTELEM) wsptr[7]; */ >+ >+ z13 = _mm_add_epi16(row5, row3); >+ z10 = _mm_sub_epi16(row5, row3); >+ z11 = _mm_add_epi16(row1, row7); >+ z12 = _mm_sub_epi16(row1, row7); >+ >+ /* phase 5 */ >+ >+ /* tmp7 = z11 + z13; */ >+ /* tmp11 = MULTIPLY(z11 - z13, FIX_1_414213562); */ >+ >+ tmp7 = _mm_add_epi16(z11, z13); >+ tmp11 = _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(z11, z13), 2), >+ *((__m128i *) SSE2_1_414213562)); >+ >+ /* z5 = MULTIPLY(z10 + z12, FIX_1_847759065); */ >+ /* tmp10 = MULTIPLY(z12, FIX_1_082392200) - z5; */ >+ /* tmp12 = MULTIPLY(z10, - FIX_2_613125930) + z5; */ >+ >+ /* This is really a mess as the negative 2.61 doesn't work well */ >+ /* as we're working with 16-bit integers. So we're going to apply */ >+ /* a little algebra to get: */ >+ >+ /* tmp10 = z12 * (FIX_1_082392200 - FIX_1_847759065) - z10*FIX_1_847759065 */ >+ /* tmp12 = z10 * (FIX_1_847759065 - FIX_2_613125930) + z12*FIX_1_847759065 */ >+ >+ /* or */ >+ >+ /* tmp10 = z12 * FIX_NEG_0_765366865 - z10 * FIX_1_847759065 */ >+ /* tmp12 = z10 * FIX_NEG_0_765366865 + z12 * FIX_1_847759065 */ >+ >+ z10 = _mm_slli_epi16(z10, 2); >+ z12 = _mm_slli_epi16(z12, 2); >+ >+ tmp10 = _mm_sub_epi16(_mm_mulhi_epi16(z12, *((__m128i *)SSE2_NEG_0_765366865)), >+ _mm_mulhi_epi16(z10, *((__m128i *)SSE2_1_847759065))); >+ tmp12 = _mm_add_epi16(_mm_mulhi_epi16(z10, *((__m128i *)SSE2_NEG_0_765366865)), >+ _mm_mulhi_epi16(z12, *((__m128i *)SSE2_1_847759065))); >+ >+ /* phase 2 */ >+ >+ /* tmp6 = tmp12 - tmp7; */ >+ /* tmp5 = tmp11 - tmp6; */ >+ /* tmp4 = tmp10 + tmp5; */ >+ >+ tmp6 = _mm_sub_epi16(tmp12, tmp7); >+ tmp5 = _mm_sub_epi16(tmp11, tmp6); >+ tmp4 = _mm_add_epi16(tmp10, tmp5); >+ >+ /* outptr[0] = range_limit[IDESCALE(tmp0 + tmp7, PASS1_BITS+3) */ >+ /* & RANGE_MASK]; */ >+ /* outptr[7] = range_limit[IDESCALE(tmp0 - tmp7, PASS1_BITS+3) */ >+ /* & RANGE_MASK]; */ >+ >+ row0 = _mm_add_epi16(tmp0, tmp7); >+ row7 = _mm_sub_epi16(tmp0, tmp7); >+ >+ /* outptr[1] = range_limit[IDESCALE(tmp1 + tmp6, PASS1_BITS+3) */ >+ /* & RANGE_MASK]; */ >+ /* outptr[6] = range_limit[IDESCALE(tmp1 - tmp6, PASS1_BITS+3) */ >+ /* & RANGE_MASK]; */ >+ >+ row1 = _mm_add_epi16(tmp1, tmp6); >+ row6 = _mm_sub_epi16(tmp1, tmp6); >+ >+ /* outptr[2] = range_limit[IDESCALE(tmp2 + tmp5, PASS1_BITS+3) */ >+ /* & RANGE_MASK]; */ >+ /* outptr[5] = range_limit[IDESCALE(tmp2 - tmp5, PASS1_BITS+3) */ >+ /* & RANGE_MASK]; */ >+ >+ row2 = _mm_add_epi16(tmp2, tmp5); >+ row5 = _mm_sub_epi16(tmp2, tmp5); >+ >+ /* outptr[4] = range_limit[IDESCALE(tmp3 + tmp4, PASS1_BITS+3) */ >+ /* & RANGE_MASK]; */ >+ /* outptr[3] = range_limit[IDESCALE(tmp3 - tmp4, PASS1_BITS+3) */ >+ /* & RANGE_MASK]; */ >+ >+ row4 = _mm_add_epi16(tmp3, tmp4); >+ row3 = _mm_sub_epi16(tmp3, tmp4); >+ >+ /* ====================================================================== */ >+ /* Transpose Matrix (Byte) */ >+ /* ====================================================================== */ >+ >+ /* Shift right after adding half to descale */ >+ >+ row0 = _mm_add_epi16(row0, *((__m128i *) SSE2_ADD_128)); >+ row1 = _mm_add_epi16(row1, *((__m128i *) SSE2_ADD_128)); >+ row2 = _mm_add_epi16(row2, *((__m128i *) SSE2_ADD_128)); >+ row3 = _mm_add_epi16(row3, *((__m128i *) SSE2_ADD_128)); >+ row4 = _mm_add_epi16(row4, *((__m128i *) SSE2_ADD_128)); >+ row5 = _mm_add_epi16(row5, *((__m128i *) SSE2_ADD_128)); >+ row6 = _mm_add_epi16(row6, *((__m128i *) SSE2_ADD_128)); >+ row7 = _mm_add_epi16(row7, *((__m128i *) SSE2_ADD_128)); >+ >+ row0 = _mm_srai_epi16(row0, 5); >+ row1 = _mm_srai_epi16(row1, 5); >+ row2 = _mm_srai_epi16(row2, 5); >+ row3 = _mm_srai_epi16(row3, 5); >+ row4 = _mm_srai_epi16(row4, 5); >+ row5 = _mm_srai_epi16(row5, 5); >+ row6 = _mm_srai_epi16(row6, 5); >+ row7 = _mm_srai_epi16(row7, 5); >+ >+ /* Range Limit and convert Words to Bytes */ >+ >+ row0 = _mm_packus_epi16(row0, row4); >+ row1 = _mm_packus_epi16(row1, row5); >+ row2 = _mm_packus_epi16(row2, row6); >+ row3 = _mm_packus_epi16(row3, row7); >+ >+ /* Transpose from rows back to columns */ >+ >+ row4 = _mm_unpackhi_epi8(row0, row1); /* 40 50 41 51 42 52 43 43 ... */ >+ row5 = _mm_unpackhi_epi8(row2, row3); /* 60 70 61 71 62 72 63 73 ... */ >+ row0 = _mm_unpacklo_epi8(row0, row1); /* 00 10 01 11 02 12 03 13 ... */ >+ row2 = _mm_unpacklo_epi8(row2, row3); /* 20 30 21 31 22 32 23 33 ... */ >+ >+ row6 = _mm_unpackhi_epi16(row0, row2); /* 04 14 24 34 05 15 25 35 ... */ >+ row7 = _mm_unpackhi_epi16(row4, row5); /* 44 54 64 74 45 55 65 75 ... */ >+ row0 = _mm_unpacklo_epi16(row0, row2); /* 00 10 20 30 01 11 21 31 ... */ >+ row4 = _mm_unpacklo_epi16(row4, row5); /* 40 50 60 70 41 51 61 71 ... */ >+ >+ row1 = _mm_unpackhi_epi32(row0, row4); /* 02 12 22 32 42 52 62 72 ... */ >+ row2 = _mm_unpackhi_epi32(row6, row7); /* 06 16 26 36 46 56 66 76 ... */ >+ row0 = _mm_unpacklo_epi32(row0, row4); /* 00 10 20 30 40 50 60 70 ... */ >+ row6 = _mm_unpacklo_epi32(row6, row7); /* 04 14 24 34 55 54 64 74 ... */ >+ >+ /* Rearrange for readability */ >+ >+ row3 = row2; >+ row2 = row6; >+ >+ /* ====================================================================== */ >+ /* Final output */ >+ /* ====================================================================== */ >+ >+ outptr0 = output_buf[0] + output_col; >+ outptr1 = output_buf[1] + output_col; >+ outptr2 = output_buf[2] + output_col; >+ outptr3 = output_buf[3] + output_col; >+ outptr4 = output_buf[4] + output_col; >+ outptr5 = output_buf[5] + output_col; >+ outptr6 = output_buf[6] + output_col; >+ outptr7 = output_buf[7] + output_col; >+ >+ /* We can't use the faster FP instructions to write out the high quad */ >+ /* so do a rotate right and write them out as the low quad */ >+ >+ row4 = _mm_srli_si128(row0, 8); >+ row5 = _mm_srli_si128(row1, 8); >+ row6 = _mm_srli_si128(row2, 8); >+ row7 = _mm_srli_si128(row3, 8); >+ >+ _mm_storel_epi64((__m128i *) outptr0, row0); >+ _mm_storel_epi64((__m128i *) outptr2, row1); >+ _mm_storel_epi64((__m128i *) outptr4, row2); >+ _mm_storel_epi64((__m128i *) outptr6, row3); >+ _mm_storel_epi64((__m128i *) outptr1, row4); >+ _mm_storel_epi64((__m128i *) outptr3, row5); >+ _mm_storel_epi64((__m128i *) outptr5, row6); >+ _mm_storel_epi64((__m128i *) outptr7, row7); >+} >+#endif /* HAVE_SSE2_INTRINSICS */ >+ > #endif /* DCT_IFAST_SUPPORTED */ >Index: jpeg/jmemmgr.c >=================================================================== >RCS file: /cvsroot/mozilla/jpeg/jmemmgr.c,v >retrieving revision 3.2 >diff -u -8 -p -r3.2 jmemmgr.c >--- jpeg/jmemmgr.c 22 Jul 1998 21:15:41 -0000 3.2 >+++ jpeg/jmemmgr.c 5 Apr 2008 21:45:18 -0000 >@@ -444,16 +444,19 @@ alloc_barray (j_common_ptr cinfo, int po > JDIMENSION blocksperrow, JDIMENSION numrows) > /* Allocate a 2-D coefficient-block array */ > { > my_mem_ptr mem = (my_mem_ptr) cinfo->mem; > JBLOCKARRAY result; > JBLOCKROW workspace; > JDIMENSION rowsperchunk, currow, i; > long ltemp; >+#ifdef HAVE_SSE2_INTRINSICS >+ PRUptrdiff workspace_raw; >+#endif > > /* Calculate max # of rows allowed in one allocation chunk */ > ltemp = (MAX_ALLOC_CHUNK-SIZEOF(large_pool_hdr)) / > ((long) blocksperrow * SIZEOF(JBLOCK)); > if (ltemp <= 0) > ERREXIT(cinfo, JERR_WIDTH_OVERFLOW); > if (ltemp < (long) numrows) > rowsperchunk = (JDIMENSION) ltemp; >@@ -464,19 +467,26 @@ alloc_barray (j_common_ptr cinfo, int po > /* Get space for row pointers (small object) */ > result = (JBLOCKARRAY) alloc_small(cinfo, pool_id, > (size_t) (numrows * SIZEOF(JBLOCKROW))); > > /* Get the rows themselves (large objects) */ > currow = 0; > while (currow < numrows) { > rowsperchunk = MIN(rowsperchunk, numrows - currow); >+#ifdef HAVE_SSE2_INTRINSICS >+ workspace_raw = (JBLOCKROW) alloc_large(cinfo, pool_id, >+ (size_t) ((size_t) rowsperchunk * (size_t) blocksperrow >+ * SIZEOF(JBLOCK) + 15)); >+ workspace = (JBLOCKROW) ((workspace_raw + 15) & ~15); >+#else > workspace = (JBLOCKROW) alloc_large(cinfo, pool_id, > (size_t) ((size_t) rowsperchunk * (size_t) blocksperrow > * SIZEOF(JBLOCK))); >+#endif /* HAVE_SSE2_INTRINSICS */ > for (i = rowsperchunk; i > 0; i--) { > result[currow++] = workspace; > workspace += blocksperrow; > } > } > > return result; > } >Index: jpeg/jmorecfg.h >=================================================================== >RCS file: /cvsroot/mozilla/jpeg/jmorecfg.h,v >retrieving revision 3.22 >diff -u -8 -p -r3.22 jmorecfg.h >--- jpeg/jmorecfg.h 30 Jan 2008 06:29:24 -0000 3.22 >+++ jpeg/jmorecfg.h 5 Apr 2008 21:45:18 -0000 >@@ -102,32 +102,40 @@ typedef short JSAMPLE; > * Again, we allocate large arrays of these, but you can change to int > * if you have memory to burn and "short" is really slow. > */ > > typedef short JCOEF; > > /* Defines for MMX/SSE2 support. */ > >-#if defined(XP_WIN32) && defined(_M_IX86) && !defined(__GNUC__) >-#define HAVE_MMX_INTEL_MNEMONICS >+/* HAVE_SSE2_INTEL_MNEMONICS means Win32 and MSVC. HAVE_SSE2_INTRINSICS */ >+/* means that the platform supports SSE2 or higher so that we don't */ >+/* have to check runtime CPU capabilities. */ > >-/* SSE2 code appears broken for some cpus (bug 247437) */ >+#if defined(XP_WIN32) && defined(_M_IX86) && !defined(__GNUC__) >+#define HAVE_MMX_INTEL_MNEMONICS > #define HAVE_SSE2_INTEL_MNEMONICS >-#define HAVE_SSE2_INTRINSICS > #endif > >-#if defined(__GNUC__) && defined(__i386__) >-#if defined(XP_MACOSX) >+#if defined(__GNUC__) && defined(__i386__) && defined(XP_MACOSX) > #define HAVE_SSE2_INTRINSICS >-#endif /* ! XP_MACOSX */ >-#endif /* ! GNUC && i386 */ >+#endif /* GNUC && i386 && XP_MACOSX */ > > /* Add support for other platforms here */ > >+/* SSE* alignment support - only use on platforms that support declspec and __attribute__ */ >+/* We're only aligning Mac OSX structures right now */ >+ >+#ifdef HAVE_SSE2_INTRINSICS >+#define SSE2_ALIGN __attribute__ ((aligned (16))) >+#else >+#define SSE2_ALIGN >+#endif >+ > > /* Compressed datastreams are represented as arrays of JOCTET. > * These must be EXACTLY 8 bits wide, at least once they are written to > * external storage. Note that when using the stdio data source/destination > * managers, this is also the data type passed to fread/fwrite. > */ > > #ifdef HAVE_UNSIGNED_CHAR >@@ -315,17 +323,17 @@ typedef unsigned char boolean; > * QUANT_1PASS_SUPPORTED QUANT_2PASS_SUPPORTED > */ > > /* Arithmetic coding is unsupported for legal reasons. Complaints to IBM. */ > > /* Capability options common to encoder and decoder: */ > > #define DCT_ISLOW_SUPPORTED /* slow but accurate integer algorithm */ >-#undef DCT_IFAST_SUPPORTED /* faster, less accurate integer method */ >+#define DCT_IFAST_SUPPORTED /* faster, less accurate integer method */ > #undef DCT_FLOAT_SUPPORTED /* floating-point: accurate, fast on fast HW */ > > /* Encoder capability options: */ > > #undef C_ARITH_CODING_SUPPORTED /* Arithmetic coding back end? */ > #define C_MULTISCAN_FILES_SUPPORTED /* Multiple-scan JPEG files? */ > #define C_PROGRESSIVE_SUPPORTED /* Progressive JPEG? (Requires MULTISCAN)*/ > #define ENTROPY_OPT_SUPPORTED /* Optimization of entropy coding parms? */ >Index: modules/libpr0n/decoders/jpeg/nsJPEGDecoder.cpp >=================================================================== >RCS file: /cvsroot/mozilla/modules/libpr0n/decoders/jpeg/nsJPEGDecoder.cpp,v >retrieving revision 1.94 >diff -u -8 -p -r1.94 nsJPEGDecoder.cpp >--- modules/libpr0n/decoders/jpeg/nsJPEGDecoder.cpp 4 Apr 2008 16:02:44 -0000 1.94 >+++ modules/libpr0n/decoders/jpeg/nsJPEGDecoder.cpp 5 Apr 2008 21:45:31 -0000 >@@ -51,16 +51,20 @@ > #include "nsIImage.h" > #include "nsIInterfaceRequestorUtils.h" > #include "gfxColor.h" > > #include "jerror.h" > > #include "gfxPlatform.h" > >+#if defined(GFX_HAVE_SSE2_INTEL_MNEMONICS) || defined(GFX_HAVE_SSE2_INTRINSICS) >+#include "emmintrin.h" >+#endif /* GFX_HAVE_SSE2_INTEL_MNEMONICS || GFX_HAVE_SSE2_INTRINSICS */ >+ > extern "C" { > #include "iccjpeg.h" > > /* Colorspace conversion (copied from jpegint.h) */ > struct jpeg_color_deconverter { > JMETHOD(void, start_pass, (j_decompress_ptr cinfo)); > JMETHOD(void, color_convert, (j_decompress_ptr cinfo, > JSAMPIMAGE input_buf, JDIMENSION input_row, >@@ -519,17 +523,21 @@ nsresult nsJPEGDecoder::ProcessData(cons > case JPEG_START_DECOMPRESS: > { > LOG_SCOPE(gJPEGlog, "nsJPEGDecoder::ProcessData -- entering JPEG_START_DECOMPRESS case"); > /* Step 4: set parameters for decompression */ > > /* FIXME -- Should reset dct_method and dither mode > * for final pass of progressive JPEG > */ >+#ifdef GFX_HAVE_SSE2_INTRINSICS >+ mInfo.dct_method = JDCT_IFAST; >+#else > mInfo.dct_method = JDCT_ISLOW; >+#endif /* GFX_HAVE_SSE2_INTRINSICS */ > mInfo.dither_mode = JDITHER_FS; > mInfo.do_fancy_upsampling = TRUE; > mInfo.enable_2pass_quant = FALSE; > mInfo.do_block_smoothing = TRUE; > > /* Step 5: Start decompressor */ > if (jpeg_start_decompress(&mInfo) == FALSE) { > PR_LOG(gJPEGDecoderAccountingLog, PR_LOG_DEBUG, >@@ -1245,50 +1253,175 @@ const int Cb_g_tab[(MAXJSAMPLE+1) * size > ((shift_temp = (x)) < 0 ? \ > (shift_temp >> (shft)) | ((~((INT32) 0)) << (32-(shft))) : \ > (shift_temp >> (shft))) > #else > #define SHIFT_TEMPS > #define RIGHT_SHIFT(x,shft) ((x) >> (shft)) > #endif > >+/* Constants for SSE2 support */ >+ >+GFX_SSE2_ALIGN const short color_constants_1[8] = {128, 128, 128, 128, 128, 128, 128, 128}; >+GFX_SSE2_ALIGN const short color_constants_2[8] = {359, 359, 359, 359, 359, 359, 359, 359}; >+GFX_SSE2_ALIGN const short color_constants_3[8] = {88, 88, 88, 88, 88, 88, 88, 88}; >+GFX_SSE2_ALIGN const short color_constants_4[8] = {183, 183, 183, 183, 183, 183, 183, 183}; >+GFX_SSE2_ALIGN const short color_constants_5[8] = {454, 454, 454, 454, 454, 454, 454, 454}; >+GFX_SSE2_ALIGN const short color_constants_6[8] = {11382, 11382, 11382, 11382, 11382, 11382, 11382, 11382}; > > METHODDEF(void) > ycc_rgb_convert_argb (j_decompress_ptr cinfo, > JSAMPIMAGE input_buf, JDIMENSION input_row, > JSAMPARRAY output_buf, int num_rows) > { > JDIMENSION num_cols = cinfo->output_width; > JSAMPLE * range_limit = cinfo->sample_range_limit; > >+/* Locals for SSE2 support */ >+ >+#if defined(GFX_HAVE_SSE2_INTRINSICS) || defined(GFX_HAVE_SSE2_INTEL_MNEMONICS) >+ JSAMPROW inptr0, inptr1, inptr2, outptr; >+ JDIMENSION col; >+ __m128i row_Y, row_cb, row_cr, zeroes, ones; >+ __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5; >+ __m128i row_B, row_G, row_R; >+#endif /* GFX_HAVE_SSE2_INTRINSICS || GFX_HAVE_SSE2_INTEL_MNEMONICS */ >+ > SHIFT_TEMPS > >- /* This is used if we don't have SSE2 */ >+#ifdef GFX_HAVE_SSE2_INTEL_MNEMONICS >+ >+ /* See if SSE2 is available if we haven't done so */ > >- while (--num_rows >= 0) { >- JSAMPROW inptr0 = input_buf[0][input_row]; >- JSAMPROW inptr1 = input_buf[1][input_row]; >- JSAMPROW inptr2 = input_buf[2][input_row]; >- input_row++; >- PRUint32 *outptr = (PRUint32 *) *output_buf++; >- for (JDIMENSION col = 0; col < num_cols; col++) { >- int y = GETJSAMPLE(inptr0[col]); >- int cb = GETJSAMPLE(inptr1[col]); >- int cr = GETJSAMPLE(inptr2[col]); >- JSAMPLE * range_limit_y = range_limit + y; >- /* Range-limiting is essential due to noise introduced by DCT losses. */ >- outptr[col] = 0xFF000000 | >- ( range_limit_y[Cr_r_tab[cr]] << 16 ) | >- ( range_limit_y[((int) RIGHT_SHIFT(Cb_g_tab[cb] + Cr_g_tab[cr], SCALEBITS))] << 8 ) | >- ( range_limit_y[Cb_b_tab[cb]] ); >+ if (SSE2Present == 0) >+ SSE2Present = gfxPlatform::SSE2Support(); >+#endif /* GFX_HAVE_SSE2_INTEL_MNEMONICS */ >+ >+ if (SSE2Present == 1) { >+ >+ /* Load registers with constants if we're going to do at least one quad */ >+ >+ if (num_cols >= 8) { >+ zeroes = _mm_setzero_si128(); >+ ones = _mm_cmpeq_epi8(zeroes, zeroes); >+ } >+ >+ while (--num_rows >= 0) { >+ inptr0 = input_buf[0][input_row]; >+ inptr1 = input_buf[1][input_row]; >+ inptr2 = input_buf[2][input_row]; >+ input_row++; >+ outptr = *output_buf++; >+ >+ /* YCbCr -> RGB using scaled multiplication */ >+ >+ for (col = 0; col + 8 <= num_cols; col += 8) { >+ >+ /* Read a row of each color component */ >+ >+ row_Y = _mm_loadl_epi64((__m128i *) (inptr0 + col)); >+ row_cb = _mm_loadl_epi64((__m128i *) inptr1); >+ row_cr = _mm_loadl_epi64((__m128i *) inptr2); >+ >+ /* Convert bytes to words */ >+ >+ row_Y = _mm_unpacklo_epi8(row_Y, zeroes); >+ row_cb = _mm_unpacklo_epi8(row_cb, zeroes); >+ row_cr = _mm_unpacklo_epi8(row_cr, zeroes); >+ >+ /* Compute B and R */ >+ >+ tmp0 = _mm_sub_epi16(row_cb, *((__m128i *) color_constants_1)); /* cb - 128 */ >+ tmp1 = _mm_sub_epi16(row_cr, *((__m128i *) color_constants_1)); /* cr - 128 */ >+ tmp2 = _mm_slli_epi16(tmp0, 8); /* (cb - 128) << 8 */ >+ tmp3 = _mm_slli_epi16(tmp1, 8); /* (cr - 128) << 8 */ >+ tmp2 = _mm_mulhi_epi16(tmp2, *((__m128i *) color_constants_5)); /* (454 * ((cb - 128) << 8)) >> 16 */ >+ tmp3 = _mm_mulhi_epi16(tmp3, *((__m128i *) color_constants_2)); /* (359 * ((cr - 128) << 8)) >> 16 */ >+ row_B = _mm_add_epi16(tmp2, row_Y); /* B = y + (454 * ((cb - 128) << 8)) >> 16 */ >+ row_R = _mm_add_epi16(tmp3, row_Y); /* R = y + (359 * ((cr - 128) << 8)) >> 16 */ >+ >+ /* Compute G */ >+ >+ tmp4 = _mm_mullo_epi16(row_cb, *((__m128i *) color_constants_3)); /* 88 * cb */ >+ tmp5 = _mm_mullo_epi16(tmp1, *((__m128i *) color_constants_4)); /* 183 * (cr - 128) */ >+ tmp4 = _mm_sub_epi16(tmp4, *((__m128i *) color_constants_6)); /* 88 * cb - (34806 - 128*256) */ >+ tmp4 = _mm_add_epi16(tmp4, tmp5); /* (88 * cb) + 183 * (cr - 128) - (34806 - 128*256) */ >+ tmp4 = _mm_srai_epi16(tmp4, 8); /* Shift the above right by 8 to divide by 256 */ >+ row_G = _mm_sub_epi16(row_Y, tmp4); /* G */ >+ >+ /* Pack word to byte with unsigned saturation which range limits too */ >+ >+ row_R = _mm_packus_epi16(row_R, zeroes); >+ row_G = _mm_packus_epi16(row_G, zeroes); >+ row_B = _mm_packus_epi16(row_B, zeroes); >+ >+ /* Pack horizontally */ >+ >+ tmp0 = _mm_unpacklo_epi8(row_B, row_G); /* ABAB ABAB ABAB ABAB */ >+ tmp1 = _mm_unpacklo_epi8(row_R, ones); /* GRGR GRGR GRGR GRGR */ >+ tmp2 = _mm_unpacklo_epi16(tmp0, tmp1); /* ARGB ARGB ARGB ARGB (low) */ >+ tmp3 = _mm_unpackhi_epi16(tmp0, tmp1); /* ARGB ARGB ARGB ARGB (high) */ >+ >+ /* Write out 32 bytes of ARGB */ >+ >+ _mm_storel_epi64((__m128i *) outptr, tmp2); >+ _mm_storel_epi64((__m128i *) (outptr + 8), _mm_srli_si128(tmp2, 8)); >+ _mm_storel_epi64((__m128i *) (outptr + 16), tmp3); >+ _mm_storel_epi64((__m128i *) (outptr + 24), _mm_srli_si128(tmp3, 8)); >+ >+ /* Slide the pointers */ >+ >+ /* inptr0 += 8; */ >+ inptr1 += 8; >+ inptr2 += 8; >+ outptr += 32; >+ } >+ >+ /* Process remainder using scalar code */ >+ for (; col < num_cols; col++) { >+ int y = GETJSAMPLE(inptr0[col]); >+ int cb = GETJSAMPLE(inptr1[0]); >+ int cr = GETJSAMPLE(inptr2[0]); >+ inptr1++; >+ inptr2++; >+ JSAMPLE * range_limit_y = range_limit + y; >+ /* Range-limiting is essential due to noise introduced by DCT losses. */ >+ *((PRUint32 *) outptr) = 0xFF000000 | >+ ( range_limit_y[Cr_r_tab[cr]] << 16 ) | >+ ( range_limit_y[((int) RIGHT_SHIFT(Cb_g_tab[cb] + Cr_g_tab[cr], SCALEBITS))] << 8 ) | >+ ( range_limit_y[Cb_b_tab[cb]] ); >+ outptr += 4; >+ } >+ } >+ >+ } else { >+ >+ /* This is used if we don't have SSE2 */ >+ >+ while (--num_rows >= 0) { >+ JSAMPROW inptr0 = input_buf[0][input_row]; >+ JSAMPROW inptr1 = input_buf[1][input_row]; >+ JSAMPROW inptr2 = input_buf[2][input_row]; >+ input_row++; >+ PRUint32 *outptr = (PRUint32 *) *output_buf++; >+ for (JDIMENSION col = 0; col < num_cols; col++) { >+ int y = GETJSAMPLE(inptr0[col]); >+ int cb = GETJSAMPLE(inptr1[col]); >+ int cr = GETJSAMPLE(inptr2[col]); >+ JSAMPLE * range_limit_y = range_limit + y; >+ /* Range-limiting is essential due to noise introduced by DCT losses. */ >+ outptr[col] = 0xFF000000 | >+ ( range_limit_y[Cr_r_tab[cr]] << 16 ) | >+ ( range_limit_y[((int) RIGHT_SHIFT(Cb_g_tab[cb] + Cr_g_tab[cr], SCALEBITS))] << 8 ) | >+ ( range_limit_y[Cb_b_tab[cb]] ); >+ } > } > } > } > >- > /**************** Inverted CMYK -> RGB conversion **************/ > /* > * Input is (Inverted) CMYK stored as 4 bytes per pixel. > * Output is RGB stored as 3 bytes per pixel. > * @param row Points to row buffer containing the CMYK bytes for each pixel in the row. > * @param width Number of pixels in the row. > */ > static void cmyk_convert_rgb(JSAMPROW row, JDIMENSION width)
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