Check for SSE2 at build-time if possible

include/vlc_cpu.h

@@ -34,7 +34,7 @@ VLC_API unsigned vlc_CPU(void);
 #  define CPU_CAPABILITY_3DNOW   (1<<4)
 #  define VLC_CPU_MMXEXT 32
 #  define VLC_CPU_SSE    64
-#  define CPU_CAPABILITY_SSE2    (1<<7)
+#  define VLC_CPU_SSE2   128
 #  define CPU_CAPABILITY_SSE3    (1<<8)
 #  define CPU_CAPABILITY_SSSE3   (1<<9)
 #  define CPU_CAPABILITY_SSE4_1  (1<<10)
@@ -67,6 +67,12 @@ VLC_API unsigned vlc_CPU(void);
 #  endif
 # endif
 
+# ifdef __SSE2__
+#  define vlc_CPU_SSE2() (1)
+# else
+#  define vlc_CPU_SSE2() ((vlc_CPU() & VLC_CPU_SSE2) != 0)
+# endif
+
 # elif defined (__ppc__) || defined (__ppc64__) || defined (__powerpc__)
 #  define HAVE_FPU 1
 #  define VLC_CPU_ALTIVEC 2

modules/codec/avcodec/avcodec.c

@@ -340,7 +340,7 @@ static int OpenDecoder( vlc_object_t *p_this )
         p_context->dsp_mask |= AV_CPU_FLAG_3DNOW;
     if( !vlc_CPU_SSE() )
         p_context->dsp_mask |= AV_CPU_FLAG_SSE;
-    if( !(i_cpu & CPU_CAPABILITY_SSE2) )
+    if( !vlc_CPU_SSE2() )
         p_context->dsp_mask |= AV_CPU_FLAG_SSE2;
 # ifdef AV_CPU_FLAG_SSE3
     if( !(i_cpu & CPU_CAPABILITY_SSE3) )

modules/codec/avcodec/copy.c

@@ -49,12 +49,18 @@
 
 /* Execute the instruction op only if SSE2 is supported. */
 #ifdef CAN_COMPILE_SSE2
-#   define ASM_SSE2(cpu, op) do {          \
-        if (cpu & CPU_CAPABILITY_SSE2)  \
-            asm volatile (op);    \
+# ifdef __SSE2__
+#  define ASM_SSE2(cpu, op) asm volatile (op)
+# else
+#  define ASM_SSE2(cpu, op) do { \
+    if (cpu & VLC_CPU_SSE2) \
+        asm volatile (op); \
     } while (0)
+#  undef vlc_CPU_SSE2
+#  define vlc_CPU_SSE2() ((cpu & VLC_CPU_SSE2) != 0)
+# endif
 #else
-#   define ASM_SSE2(cpu, op)
+# define ASM_SSE2(cpu, op)
 #endif
 
 /* Optimized copy from "Uncacheable Speculative Write Combining" memory
@@ -88,7 +94,7 @@ static void CopyFromUswc(uint8_t *dst, size_t dst_pitch,
         } else
 #endif
 #ifdef CAN_COMPILE_SSE2
-        if (cpu & CPU_CAPABILITY_SSE2) {
+        if (vlc_CPU_SSE2()) {
             if (!unaligned) {
                 for (; x+63 < width; x += 64)
                     COPY64(&dst[x], &src[x], "movdqa", "movdqa");
@@ -121,7 +127,7 @@ static void Copy2d(uint8_t *dst, size_t dst_pitch,
         bool unaligned = ((intptr_t)dst & 0x0f) != 0;
 
 #ifdef CAN_COMPILE_SSE2
-        if (cpu & CPU_CAPABILITY_SSE2) {
+        if (vlc_CPU_SSE2()) {
             if (!unaligned) {
                 for (; x+63 < width; x += 64)
                     COPY64(&dst[x], &src[x], "movdqa", "movntdq");
@@ -189,7 +195,7 @@ static void SplitUV(uint8_t *dstu, size_t dstu_pitch,
         } else
 #endif
 #ifdef CAN_COMPILE_SSE2
-        if (cpu & CPU_CAPABILITY_SSE2) {
+        if (vlc_CPU_SSE2()) {
             for (x = 0; x < (width & ~31); x += 32) {
                 asm volatile (
                     "movdqu (%[mask]), %%xmm7\n"

modules/codec/avcodec/encoder.c

@@ -334,7 +334,7 @@ int OpenEncoder( vlc_object_t *p_this )
         p_context->dsp_mask |= AV_CPU_FLAG_3DNOW;
     if( !vlc_CPU_SSE() )
         p_context->dsp_mask |= AV_CPU_FLAG_SSE;
-    if( !(i_cpu & CPU_CAPABILITY_SSE2) )
+    if( !vlc_CPU_SSE2() )
         p_context->dsp_mask |= AV_CPU_FLAG_SSE2;
 # ifdef AV_CPU_FLAG_SSE3
     if( !(i_cpu & CPU_CAPABILITY_SSE3) )

modules/codec/x264.c

@@ -1266,7 +1266,7 @@ static int  Open ( vlc_object_t *p_this )
         p_sys->param.cpu &= ~X264_CPU_MMXEXT;
     if( !vlc_CPU_SSE() )
         p_sys->param.cpu &= ~X264_CPU_SSE;
-    if( !(vlc_CPU() & CPU_CAPABILITY_SSE2) )
+    if( !vlc_CPU_SSE2() )
         p_sys->param.cpu &= ~X264_CPU_SSE2;
 #endif
 

modules/stream_out/switcher.c

@@ -389,7 +389,7 @@ static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
             id->ff_enc_c->dsp_mask |= AV_CPU_FLAG_3DNOW;
         if( !vlc_CPU_SSE() )
             id->ff_enc_c->dsp_mask |= AV_CPU_FLAG_SSE;
-        if( !(i_cpu & CPU_CAPABILITY_SSE2) )
+        if( !vlc_cpu_SSE2() )
             id->ff_enc_c->dsp_mask |= AV_CPU_FLAG_SSE2;
 # ifdef AV_CPU_FLAG_SSE3
         if( !(i_cpu & CPU_CAPABILITY_SSE3) )
@@ -810,7 +810,7 @@ static mtime_t VideoCommand( sout_stream_t *p_stream, sout_stream_id_t *id )
             id->ff_enc_c->dsp_mask |= AV_CPU_FLAG_3DNOW;
         if( !vlc_CPU_SSE() )
             id->ff_enc_c->dsp_mask |= AV_CPU_FLAG_SSE;
-        if( !(i_cpu & CPU_CAPABILITY_SSE2) )
+        if( !vlc_CPU_SSE2() )
             id->ff_enc_c->dsp_mask |= AV_CPU_FLAG_SSE2;
 # ifdef AV_CPU_FLAG_SSE3
         if( !(i_cpu & CPU_CAPABILITY_SSE3) )

modules/video_chroma/i420_rgb.c

@@ -94,7 +94,7 @@ vlc_module_begin ()
     set_description( N_( "SSE2 I420,IYUV,YV12 to "
                         "RV15,RV16,RV24,RV32 conversions") )
     set_capability( "video filter2", 120 )
-# define vlc_CPU_capable() ((vlc_CPU() & CPU_CAPABILITY_SSE2) != 0)
+# define vlc_CPU_capable() vlc_CPU_SSE2()
 #endif
     set_callbacks( Activate, Deactivate )
 vlc_module_end ()

modules/video_chroma/i420_yuy2.c

@@ -96,12 +96,12 @@ vlc_module_begin ()
 #elif defined (MODULE_NAME_IS_i420_yuy2_sse2)
     set_description( N_("SSE2 conversions from " SRC_FOURCC " to " DEST_FOURCC) )
     set_capability( "video filter2", 250 )
-# define vlc_CPU_capable() (vlc_CPU() & CPU_CAPABILITY_SSE2)
+# define vlc_CPU_capable() vlc_CPU_SSE2()
 #elif defined (MODULE_NAME_IS_i420_yuy2_altivec)
     set_description(
             _("AltiVec conversions from " SRC_FOURCC " to " DEST_FOURCC) );
     set_capability( "video filter2", 250 )
-# define vlc_CPU_capable() (vlc_CPU_ALTIVEC())
+# define vlc_CPU_capable() vlc_CPU_ALTIVEC()
 #endif
     set_callbacks( Activate, NULL )
 vlc_module_end ()

modules/video_chroma/i422_yuy2.c

@@ -81,7 +81,7 @@ vlc_module_begin ()
 #elif defined (MODULE_NAME_IS_i422_yuy2_sse2)
     set_description( N_("SSE2 conversions from " SRC_FOURCC " to " DEST_FOURCC) )
     set_capability( "video filter2", 120 )
-# define vlc_CPU_capable() ((vlc_CPU() & CPU_CAPABILITY_SSE2) != 0)
+# define vlc_CPU_capable() vlc_CPU_SSE2()
 # define VLC_TARGET VLC_SSE
 #endif
     set_callbacks( Activate, NULL )

modules/video_filter/deinterlace/algo_yadif.c

@@ -108,19 +108,22 @@ int RenderYadif( filter_t *p_filter, picture_t *p_dst, picture_t *p_src,
         void (*filter)(uint8_t *dst, uint8_t *prev, uint8_t *cur, uint8_t *next,
                        int w, int prefs, int mrefs, int parity, int mode);
 
-        filter = yadif_filter_line_c;
-#if defined(HAVE_YADIF_MMX)
-        if( vlc_CPU_MMX() )
-            filter = yadif_filter_line_mmx;
+#if defined(HAVE_YADIF_SSSE3)
+        if( vlc_CPU() & CPU_CAPABILITY_SSSE3 )
+            filter = yadif_filter_line_ssse3;
+        else
 #endif
 #if defined(HAVE_YADIF_SSE2)
-        if( vlc_CPU() & CPU_CAPABILITY_SSE2 )
+        if( vlc_CPU_SSE2() )
             filter = yadif_filter_line_sse2;
+        else
 #endif
-#if defined(HAVE_YADIF_SSSE3)
-        if( vlc_CPU() & CPU_CAPABILITY_SSSE3 )
-            filter = yadif_filter_line_ssse3;
+#if defined(HAVE_YADIF_MMX)
+        if( vlc_CPU_MMX() )
+            filter = yadif_filter_line_mmx;
+        else
 #endif
+            filter = yadif_filter_line_c;
 
         for( int n = 0; n < p_dst->i_planes; n++ )
         {

modules/video_filter/deinterlace/deinterlace.c

@@ -632,8 +632,8 @@ int Open( vlc_object_t *p_this )
         p_sys->pf_merge = MergeAltivec;
     else
 #endif
-#if defined(CAN_COMPILE_SSE)
-    if( (vlc_CPU() & CPU_CAPABILITY_SSE2) )
+#if defined(CAN_COMPILE_SSE2)
+    if( vlc_CPU_SSE2() )
     {
         p_sys->pf_merge = chroma->pixel_size == 1 ? Merge8BitSSE2 : Merge16BitSSE2;
         p_sys->pf_end_merge = EndMMX;

modules/video_filter/gradfun.c

@@ -135,7 +135,7 @@ static int Open(vlc_object_t *object)
     cfg->buf         = NULL;
 
 #if HAVE_SSE2 && HAVE_6REGS
-    if (vlc_CPU() & CPU_CAPABILITY_SSE2)
+    if (vlc_CPU_SSE2())
         cfg->blur_line = blur_line_sse2;
     else
 #endif

modules/video_filter/grain.c

@@ -409,7 +409,7 @@ static int Open(vlc_object_t *object)
     sys->blend = BlockBlendC;
     sys->emms  = NULL;
 #if defined(CAN_COMPILE_SSE2) && 1
-    if (vlc_CPU() & CPU_CAPABILITY_SSE2) {
+    if (vlc_CPU_SSE2()) {
         sys->blend = BlockBlendSse2;
         sys->emms  = Emms;
     }

modules/video_filter/sepia.c

@@ -245,7 +245,7 @@ static void PlanarI420Sepia( picture_t *p_pic, picture_t *p_outpic,
     const uint8_t filling_const_8v = 128 + i_intensity / 14;
 
 #if defined(CAN_COMPILE_SSE2)
-    if (vlc_CPU() & CPU_CAPABILITY_SSE2)
+    if (vlc_CPU_SSE2())
     {
         /* prepared value for faster broadcasting in xmm register */
         int i_intensity_spread = 0x10001 * (uint8_t) i_intensity;

src/misc/cpu.c

@@ -232,11 +232,9 @@ void vlc_CPU_init (void)
 #   endif
     }
 
-# if defined (__SSE2__)
-    i_capabilities |= CPU_CAPABILITY_SSE2;
-# elif defined (CAN_COMPILE_SSE2)
+# if defined (CAN_COMPILE_SSE2)
     if ((i_edx & 0x04000000) && vlc_CPU_check ("SSE2", SSE2_test))
-        i_capabilities |= CPU_CAPABILITY_SSE2;
+        i_capabilities |= VLC_CPU_SSE2;
 # endif
 
 # if defined (__SSE3__)
@@ -348,7 +346,7 @@ void vlc_CPU_dump (vlc_object_t *obj)
     if (vlc_CPU_MMX()) p += sprintf (p, "MMX ");
     if (vlc_CPU_MMXEXT()) p += sprintf (p, "MMXEXT ");
     if (vlc_CPU_SSE()) p += sprintf (p, "SSE ");;
-    PRINT_CAPABILITY(CPU_CAPABILITY_SSE2, "SSE2");
+    if (vlc_CPU_SSE2()) p += sprintf (p, "SSE2 ");;
     PRINT_CAPABILITY(CPU_CAPABILITY_SSE3, "SSE3");
     PRINT_CAPABILITY(CPU_CAPABILITY_SSSE3, "SSSE3");
     PRINT_CAPABILITY(CPU_CAPABILITY_SSE4_1, "SSE4.1");

src/posix/linux_cpu.c

@@ -73,10 +73,8 @@ static void vlc_CPU_init (void)
                 core_caps |= VLC_CPU_SSE | VLC_CPU_MMXEXT;
             if (!strcmp (cap, "mmxext"))
                 core_caps |= VLC_CPU_MMXEXT;
-# ifndef __SSE2__
             if (!strcmp (cap, "sse2"))
-                core_caps |= CPU_CAPABILITY_SSE2;
-# endif
+                core_caps |= VLC_CPU_SSE2;
 # ifndef __SSE3__
             if (!strcmp (cap, "pni"))
                 core_caps |= CPU_CAPABILITY_SSE3;
@@ -117,9 +115,6 @@ static void vlc_CPU_init (void)
 
     /* Always enable capabilities that were forced during compilation */
 #if defined (__i386__) || defined (__x86_64__)
-# ifdef __SSE2__
-    all_caps |= CPU_CAPABILITY_SSE2;
-# endif
 # ifdef __SSE3__
     all_caps |= CPU_CAPABILITY_SSE3;
 # endif