Re-added the 3DNow! and AltiVec instruction support.
authorSam Lantinga <slouken@libsdl.org>
Tue, 22 Feb 2011 21:44:36 -0800
changeset 5389 24903690f48a
parent 5388 6e586f65f8ef
child 5390 fefd4f7b5214
Re-added the 3DNow! and AltiVec instruction support.
VisualC/SDL/SDL_VS2005.vcproj
VisualC/SDL/SDL_VS2008.vcproj
VisualC/SDL/SDL_VS2010.vcxproj
configure
configure.in
include/SDL_config.h.in
include/SDL_config_macosx.h
include/SDL_cpuinfo.h
src/cpuinfo/SDL_cpuinfo.c
src/video/SDL_blit.c
src/video/SDL_blit.h
src/video/SDL_blit_A.c
src/video/SDL_blit_N.c
test/automated/platform/platform.c
test/testplatform.c
--- a/VisualC/SDL/SDL_VS2005.vcproj	Mon Feb 21 23:45:48 2011 -0800
+++ b/VisualC/SDL/SDL_VS2005.vcproj	Tue Feb 22 21:44:36 2011 -0800
@@ -52,7 +52,7 @@
 				Name="VCCLCompilerTool"
 				Optimization="0"
 				AdditionalIncludeDirectories="..\..\include"
-				PreprocessorDefinitions="_DEBUG;_WINDOWS;_WIN32_WINNT=0x0400;__MMX__;__3dNOW__;__SSE__;__SSE2__"
+				PreprocessorDefinitions="_DEBUG;_WINDOWS"
 				RuntimeLibrary="2"
 				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
@@ -231,7 +231,7 @@
 				InlineFunctionExpansion="1"
 				EnableIntrinsicFunctions="false"
 				AdditionalIncludeDirectories="..\..\include"
-				PreprocessorDefinitions="NDEBUG;_WINDOWS;_WIN32_WINNT=0x0400;__MMX__;__3dNOW__;__SSE__;__SSE2__"
+				PreprocessorDefinitions="NDEBUG;_WINDOWS"
 				StringPooling="true"
 				RuntimeLibrary="2"
 				BufferSecurityCheck="false"
--- a/VisualC/SDL/SDL_VS2008.vcproj	Mon Feb 21 23:45:48 2011 -0800
+++ b/VisualC/SDL/SDL_VS2008.vcproj	Tue Feb 22 21:44:36 2011 -0800
@@ -52,7 +52,7 @@
 				Name="VCCLCompilerTool"
 				Optimization="0"
 				AdditionalIncludeDirectories="..\..\include"
-				PreprocessorDefinitions="_DEBUG;_WINDOWS;_WIN32_WINNT=0x0400;__MMX__;__3dNOW__;__SSE__;__SSE2__"
+				PreprocessorDefinitions="_DEBUG;_WINDOWS"
 				RuntimeLibrary="3"
 				BufferSecurityCheck="false"
 				WarningLevel="3"
@@ -223,7 +223,7 @@
 				InlineFunctionExpansion="1"
 				EnableIntrinsicFunctions="false"
 				AdditionalIncludeDirectories="..\..\include"
-				PreprocessorDefinitions="NDEBUG;_WINDOWS;_WIN32_WINNT=0x0400;__MMX__;__3dNOW__;__SSE__;__SSE2__"
+				PreprocessorDefinitions="NDEBUG;_WINDOWS"
 				StringPooling="true"
 				RuntimeLibrary="2"
 				BufferSecurityCheck="false"
--- a/VisualC/SDL/SDL_VS2010.vcxproj	Mon Feb 21 23:45:48 2011 -0800
+++ b/VisualC/SDL/SDL_VS2010.vcxproj	Tue Feb 22 21:44:36 2011 -0800
@@ -83,7 +83,7 @@
     <ClCompile>
       <Optimization>Disabled</Optimization>
       <AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>_DEBUG;_WINDOWS;_WIN32_WINNT=0x0400;__MMX__;__3dNOW__;__SSE__;__SSE2__;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_DEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
       <BufferSecurityCheck>false</BufferSecurityCheck>
       <PrecompiledHeader>
@@ -152,7 +152,7 @@
       <InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
       <IntrinsicFunctions>false</IntrinsicFunctions>
       <AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>NDEBUG;_WINDOWS;_WIN32_WINNT=0x0400;__MMX__;__3dNOW__;__SSE__;__SSE2__;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>NDEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <StringPooling>true</StringPooling>
       <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
       <BufferSecurityCheck>false</BufferSecurityCheck>
@@ -446,4 +446,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
\ No newline at end of file
+</Project>
--- a/configure	Mon Feb 21 23:45:48 2011 -0800
+++ b/configure	Tue Feb 22 21:44:36 2011 -0800
@@ -1514,8 +1514,10 @@
   --enable-ssemath        Allow GCC to use SSE floating point math
                           [default=no]
   --enable-mmx            use MMX assembly routines [default=yes]
+  --enable-3dnow          use MMX assembly routines [default=yes]
   --enable-sse            use SSE assembly routines [default=yes]
   --enable-sse2           use SSE2 assembly routines [default=no]
+  --enable-altivec        use Altivec assembly routines [default=yes]
   --enable-oss            support the OSS audio API [default=yes]
   --enable-alsa           support the ALSA audio API [default=yes]
   --disable-alsatest      Do not try to compile and run a test Alsa program
@@ -3768,13 +3770,13 @@
 else
   lt_cv_nm_interface="BSD nm"
   echo "int some_variable = 0;" > conftest.$ac_ext
-  (eval echo "\"\$as_me:3771: $ac_compile\"" >&5)
+  (eval echo "\"\$as_me:3773: $ac_compile\"" >&5)
   (eval "$ac_compile" 2>conftest.err)
   cat conftest.err >&5
-  (eval echo "\"\$as_me:3774: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
+  (eval echo "\"\$as_me:3776: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
   (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
   cat conftest.err >&5
-  (eval echo "\"\$as_me:3777: output\"" >&5)
+  (eval echo "\"\$as_me:3779: output\"" >&5)
   cat conftest.out >&5
   if $GREP 'External.*some_variable' conftest.out > /dev/null; then
     lt_cv_nm_interface="MS dumpbin"
@@ -5001,7 +5003,7 @@
   ;;
 *-*-irix6*)
   # Find out which ABI we are using.
-  echo '#line 5004 "configure"' > conftest.$ac_ext
+  echo '#line 5006 "configure"' > conftest.$ac_ext
   if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
@@ -7162,11 +7164,11 @@
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:7165: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:7167: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:7169: \$? = $ac_status" >&5
+   echo "$as_me:7171: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -7501,11 +7503,11 @@
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:7504: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:7506: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:7508: \$? = $ac_status" >&5
+   echo "$as_me:7510: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -7606,11 +7608,11 @@
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:7609: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:7611: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:7613: \$? = $ac_status" >&5
+   echo "$as_me:7615: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -7661,11 +7663,11 @@
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:7664: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:7666: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:7668: \$? = $ac_status" >&5
+   echo "$as_me:7670: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -10419,7 +10421,7 @@
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10422 "configure"
+#line 10424 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -10515,7 +10517,7 @@
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10518 "configure"
+#line 10520 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -14197,11 +14199,11 @@
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:14200: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:14202: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:14204: \$? = $ac_status" >&5
+   echo "$as_me:14206: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -14296,11 +14298,11 @@
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:14299: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:14301: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:14303: \$? = $ac_status" >&5
+   echo "$as_me:14305: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -14348,11 +14350,11 @@
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:14351: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:14353: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:14355: \$? = $ac_status" >&5
+   echo "$as_me:14357: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -20693,6 +20695,79 @@
         fi
     fi
 
+    # Check whether --enable-3dnow was given.
+if test "${enable_3dnow+set}" = set; then
+  enableval=$enable_3dnow;
+else
+  enable_3dnow=yes
+fi
+
+    if test x$enable_3dnow = xyes; then
+        save_CFLAGS="$CFLAGS"
+        have_gcc_3dnow=no
+        { echo "$as_me:$LINENO: checking for GCC -m3dnow option" >&5
+echo $ECHO_N "checking for GCC -m3dnow option... $ECHO_C" >&6; }
+        amd3dnow_CFLAGS="-m3dnow"
+        CFLAGS="$save_CFLAGS $amd3dnow_CFLAGS"
+
+        cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+        #include <mm3dnow.h>
+        #ifndef __3dNOW__
+        #error Assembler CPP flag not enabled
+        #endif
+
+int
+main ()
+{
+
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+
+        have_gcc_3dnow=yes
+
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+        { echo "$as_me:$LINENO: result: $have_gcc_3dnow" >&5
+echo "${ECHO_T}$have_gcc_3dnow" >&6; }
+        CFLAGS="$save_CFLAGS"
+
+        if test x$have_gcc_3dnow = xyes; then
+            EXTRA_CFLAGS="$EXTRA_CFLAGS $amd3dnow_CFLAGS"
+        fi
+    fi
+
     # Check whether --enable-sse was given.
 if test "${enable_sse+set}" = set; then
   enableval=$enable_sse;
@@ -20856,6 +20931,260 @@
             EXTRA_CFLAGS="$EXTRA_CFLAGS $sse2_CFLAGS"
         fi
     fi
+
+    # Check whether --enable-altivec was given.
+if test "${enable_altivec+set}" = set; then
+  enableval=$enable_altivec;
+else
+  enable_altivec=yes
+fi
+
+    if test x$enable_altivec = xyes; then
+        save_CFLAGS="$CFLAGS"
+        have_gcc_altivec=no
+        have_altivec_h_hdr=no
+        altivec_CFLAGS="-maltivec"
+        CFLAGS="$save_CFLAGS $altivec_CFLAGS"
+
+        { echo "$as_me:$LINENO: checking for Altivec with GCC altivec.h and -maltivec option" >&5
+echo $ECHO_N "checking for Altivec with GCC altivec.h and -maltivec option... $ECHO_C" >&6; }
+        cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+        #include <altivec.h>
+        vector unsigned int vzero() {
+            return vec_splat_u32(0);
+        }
+
+int
+main ()
+{
+
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+
+        have_gcc_altivec=yes
+        have_altivec_h_hdr=yes
+
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+        { echo "$as_me:$LINENO: result: $have_gcc_altivec" >&5
+echo "${ECHO_T}$have_gcc_altivec" >&6; }
+
+        if test x$have_gcc_altivec = xno; then
+            { echo "$as_me:$LINENO: checking for Altivec with GCC -maltivec option" >&5
+echo $ECHO_N "checking for Altivec with GCC -maltivec option... $ECHO_C" >&6; }
+            cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+            vector unsigned int vzero() {
+                return vec_splat_u32(0);
+            }
+
+int
+main ()
+{
+
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+
+            have_gcc_altivec=yes
+
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+            { echo "$as_me:$LINENO: result: $have_gcc_altivec" >&5
+echo "${ECHO_T}$have_gcc_altivec" >&6; }
+        fi
+
+        if test x$have_gcc_altivec = xno; then
+            { echo "$as_me:$LINENO: checking for Altivec with GCC altivec.h and -faltivec option" >&5
+echo $ECHO_N "checking for Altivec with GCC altivec.h and -faltivec option... $ECHO_C" >&6; }
+            altivec_CFLAGS="-faltivec"
+            CFLAGS="$save_CFLAGS $altivec_CFLAGS"
+            cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+            #include <altivec.h>
+            vector unsigned int vzero() {
+                return vec_splat_u32(0);
+            }
+
+int
+main ()
+{
+
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+
+            have_gcc_altivec=yes
+            have_altivec_h_hdr=yes
+
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+            { echo "$as_me:$LINENO: result: $have_gcc_altivec" >&5
+echo "${ECHO_T}$have_gcc_altivec" >&6; }
+        fi
+
+        if test x$have_gcc_altivec = xno; then
+            { echo "$as_me:$LINENO: checking for Altivec with GCC -faltivec option" >&5
+echo $ECHO_N "checking for Altivec with GCC -faltivec option... $ECHO_C" >&6; }
+            cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+            vector unsigned int vzero() {
+                return vec_splat_u32(0);
+            }
+
+int
+main ()
+{
+
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+
+            have_gcc_altivec=yes
+
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+            { echo "$as_me:$LINENO: result: $have_gcc_altivec" >&5
+echo "${ECHO_T}$have_gcc_altivec" >&6; }
+        fi
+        CFLAGS="$save_CFLAGS"
+
+        if test x$have_gcc_altivec = xyes; then
+            cat >>confdefs.h <<\_ACEOF
+#define SDL_ALTIVEC_BLITTERS 1
+_ACEOF
+
+            if test x$have_altivec_h_hdr = xyes; then
+              cat >>confdefs.h <<\_ACEOF
+#define HAVE_ALTIVEC_H 1
+_ACEOF
+
+            fi
+            EXTRA_CFLAGS="$EXTRA_CFLAGS $altivec_CFLAGS"
+        fi
+    fi
 fi
 
 CheckOSS()
--- a/configure.in	Mon Feb 21 23:45:48 2011 -0800
+++ b/configure.in	Tue Feb 22 21:44:36 2011 -0800
@@ -501,6 +501,33 @@
         fi
     fi
 
+    AC_ARG_ENABLE(3dnow,
+AC_HELP_STRING([--enable-3dnow], [use MMX assembly routines [[default=yes]]]),
+                  , enable_3dnow=yes)
+    if test x$enable_3dnow = xyes; then
+        save_CFLAGS="$CFLAGS"
+        have_gcc_3dnow=no
+        AC_MSG_CHECKING(for GCC -m3dnow option)
+        amd3dnow_CFLAGS="-m3dnow"
+        CFLAGS="$save_CFLAGS $amd3dnow_CFLAGS"
+
+        AC_TRY_COMPILE([
+        #include <mm3dnow.h>
+        #ifndef __3dNOW__
+        #error Assembler CPP flag not enabled
+        #endif
+        ],[
+        ],[
+        have_gcc_3dnow=yes
+        ])
+        AC_MSG_RESULT($have_gcc_3dnow)
+        CFLAGS="$save_CFLAGS"
+
+        if test x$have_gcc_3dnow = xyes; then
+            EXTRA_CFLAGS="$EXTRA_CFLAGS $amd3dnow_CFLAGS"
+        fi
+    fi
+
     AC_ARG_ENABLE(sse,
 AC_HELP_STRING([--enable-sse], [use SSE assembly routines [[default=yes]]]),
                   , enable_sse=yes)
@@ -572,6 +599,82 @@
             EXTRA_CFLAGS="$EXTRA_CFLAGS $sse2_CFLAGS"
         fi
     fi
+
+    AC_ARG_ENABLE(altivec,
+AC_HELP_STRING([--enable-altivec], [use Altivec assembly routines [[default=yes]]]),
+                  , enable_altivec=yes)
+    if test x$enable_altivec = xyes; then
+        save_CFLAGS="$CFLAGS"
+        have_gcc_altivec=no
+        have_altivec_h_hdr=no
+        altivec_CFLAGS="-maltivec"
+        CFLAGS="$save_CFLAGS $altivec_CFLAGS"
+
+        AC_MSG_CHECKING(for Altivec with GCC altivec.h and -maltivec option)
+        AC_TRY_COMPILE([
+        #include <altivec.h>
+        vector unsigned int vzero() {
+            return vec_splat_u32(0);
+        }
+        ],[
+        ],[
+        have_gcc_altivec=yes
+        have_altivec_h_hdr=yes
+        ])
+        AC_MSG_RESULT($have_gcc_altivec)
+
+        if test x$have_gcc_altivec = xno; then
+            AC_MSG_CHECKING(for Altivec with GCC -maltivec option)
+            AC_TRY_COMPILE([
+            vector unsigned int vzero() {
+                return vec_splat_u32(0);
+            }
+            ],[
+            ],[
+            have_gcc_altivec=yes
+            ])
+            AC_MSG_RESULT($have_gcc_altivec)
+        fi
+
+        if test x$have_gcc_altivec = xno; then
+            AC_MSG_CHECKING(for Altivec with GCC altivec.h and -faltivec option)
+            altivec_CFLAGS="-faltivec"
+            CFLAGS="$save_CFLAGS $altivec_CFLAGS"
+            AC_TRY_COMPILE([
+            #include <altivec.h>
+            vector unsigned int vzero() {
+                return vec_splat_u32(0);
+            }
+            ],[
+            ],[
+            have_gcc_altivec=yes
+            have_altivec_h_hdr=yes
+            ])
+            AC_MSG_RESULT($have_gcc_altivec)
+        fi
+
+        if test x$have_gcc_altivec = xno; then
+            AC_MSG_CHECKING(for Altivec with GCC -faltivec option)
+            AC_TRY_COMPILE([
+            vector unsigned int vzero() {
+                return vec_splat_u32(0);
+            }
+            ],[
+            ],[
+            have_gcc_altivec=yes
+            ])
+            AC_MSG_RESULT($have_gcc_altivec)
+        fi
+        CFLAGS="$save_CFLAGS"
+
+        if test x$have_gcc_altivec = xyes; then
+            AC_DEFINE(SDL_ALTIVEC_BLITTERS)
+            if test x$have_altivec_h_hdr = xyes; then
+              AC_DEFINE(HAVE_ALTIVEC_H)
+            fi
+            EXTRA_CFLAGS="$EXTRA_CFLAGS $altivec_CFLAGS"
+        fi
+    fi
 fi
 
 dnl See if the OSS audio interface is supported
--- a/include/SDL_config.h.in	Mon Feb 21 23:45:48 2011 -0800
+++ b/include/SDL_config.h.in	Tue Feb 22 21:44:36 2011 -0800
@@ -34,7 +34,7 @@
 
 /* Make sure that this isn't included by Visual C++ */
 #ifdef _MSC_VER
-#error You should copy include/SDL_config.h.default to include/SDL_config.h
+#error You should run hg revert SDL_config.h 
 #endif
 
 /* C language features */
@@ -82,6 +82,7 @@
 #undef HAVE_MATH_H
 #undef HAVE_ICONV_H
 #undef HAVE_SIGNAL_H
+#undef HAVE_ALTIVEC_H
 
 /* C library functions */
 #undef HAVE_MALLOC
@@ -302,5 +303,6 @@
 
 /* Enable assembly routines */
 #undef SDL_ASSEMBLY_ROUTINES
+#undef SDL_ALTIVEC_BLITTERS
 
 #endif /* _SDL_config_h */
--- a/include/SDL_config_macosx.h	Mon Feb 21 23:45:48 2011 -0800
+++ b/include/SDL_config_macosx.h	Tue Feb 22 21:44:36 2011 -0800
@@ -168,5 +168,8 @@
 
 /* Enable assembly routines */
 #define SDL_ASSEMBLY_ROUTINES	1
+#ifdef __ppc__
+#define SDL_ALTIVEC_BLITTERS	1
+#endif
 
 #endif /* _SDL_config_macosx_h */
--- a/include/SDL_cpuinfo.h	Mon Feb 21 23:45:48 2011 -0800
+++ b/include/SDL_cpuinfo.h	Tue Feb 22 21:44:36 2011 -0800
@@ -31,6 +31,34 @@
 
 #include "SDL_stdinc.h"
 
+/* Need to do this here because intrin.h has C++ code in it */
+/* Visual Studio 2005 has a bug where intrin.h conflicts with winnt.h */
+#if defined(_MSC_VER) && (_MSC_VER >= 1500) && !defined(_WIN32_WCE)
+#include <intrin.h>
+#define __MMX__
+#define __3dNOW__
+#define __SSE__
+#define __SSE2__
+#elif defined(__MINGW64_VERSION_MAJOR)
+#include <intrin.h>
+#else
+#ifdef __MMX__
+#include <mmintrin.h>
+#endif
+#ifdef __3dNOW__
+#include <mm3dnow.h>
+#endif
+#ifdef __SSE__
+#include <xmmintrin.h>
+#endif
+#ifdef __SSE2__
+#include <emmintrin.h>
+#endif
+#ifdef HAVE_ALTIVEC_H
+#include <altivec.h>
+#endif
+#endif
+
 #include "begin_code.h"
 /* Set up for C function definitions, even when using C++ */
 #ifdef __cplusplus
@@ -65,11 +93,21 @@
 extern DECLSPEC SDL_bool SDLCALL SDL_HasRDTSC(void);
 
 /**
+ *  This function returns true if the CPU has AltiVec features.
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_HasAltiVec(void);
+
+/**
  *  This function returns true if the CPU has MMX features.
  */
 extern DECLSPEC SDL_bool SDLCALL SDL_HasMMX(void);
 
 /**
+ *  This function returns true if the CPU has 3DNow! features.
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_Has3DNow(void);
+
+/**
  *  This function returns true if the CPU has SSE features.
  */
 extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE(void);
--- a/src/cpuinfo/SDL_cpuinfo.c	Mon Feb 21 23:45:48 2011 -0800
+++ b/src/cpuinfo/SDL_cpuinfo.c	Tue Feb 22 21:44:36 2011 -0800
@@ -32,18 +32,37 @@
 #include <sys/types.h>
 #include <sys/sysctl.h>
 #endif
+#if defined(__MACOSX__) && (defined(__ppc__) || defined(__ppc64__))
+#include <sys/sysctl.h>         /* For AltiVec check */
+#elif SDL_ALTIVEC_BLITTERS && HAVE_SETJMP
+#include <signal.h>
+#include <setjmp.h>
+#endif
 #ifdef __WIN32__
 #include "../core/windows/SDL_windows.h"
 #endif
 
 #define CPU_HAS_RDTSC   0x00000001
-#define CPU_HAS_MMX     0x00000002
+#define CPU_HAS_ALTIVEC 0x00000002
+#define CPU_HAS_MMX     0x00000004
+#define CPU_HAS_3DNOW   0x00000008
 #define CPU_HAS_SSE     0x00000010
 #define CPU_HAS_SSE2    0x00000020
 #define CPU_HAS_SSE3    0x00000040
-#define CPU_HAS_SSE41   0x00000080
-#define CPU_HAS_SSE42   0x00000100
+#define CPU_HAS_SSE41   0x00000100
+#define CPU_HAS_SSE42   0x00000200
 
+#if SDL_ALTIVEC_BLITTERS && HAVE_SETJMP && !__MACOSX__
+/* This is the brute force way of detecting instruction sets...
+   the idea is borrowed from the libmpeg2 library - thanks!
+ */
+static jmp_buf jmpbuf;
+static void
+illegal_instruction(int sig)
+{
+    longjmp(jmpbuf, 1);
+}
+#endif /* HAVE_SETJMP */
 
 static __inline__ int
 CPU_haveCPUID(void)
@@ -193,6 +212,29 @@
 }
 
 static __inline__ int
+CPU_haveAltiVec(void)
+{
+    volatile int altivec = 0;
+#if defined(__MACOSX__) && (defined(__ppc__) || defined(__ppc64__))
+    int selectors[2] = { CTL_HW, HW_VECTORUNIT };
+    int hasVectorUnit = 0;
+    size_t length = sizeof(hasVectorUnit);
+    int error = sysctl(selectors, 2, &hasVectorUnit, &length, NULL, 0);
+    if (0 == error)
+        altivec = (hasVectorUnit != 0);
+#elif SDL_ALTIVEC_BLITTERS && HAVE_SETJMP
+    void (*handler) (int sig);
+    handler = signal(SIGILL, illegal_instruction);
+    if (setjmp(jmpbuf) == 0) {
+        asm volatile ("mtspr 256, %0\n\t" "vand %%v0, %%v0, %%v0"::"r" (-1));
+        altivec = 1;
+    }
+    signal(SIGILL, handler);
+#endif
+    return altivec;
+}
+
+static __inline__ int
 CPU_haveMMX(void)
 {
     if (CPU_haveCPUID()) {
@@ -202,6 +244,21 @@
 }
 
 static __inline__ int
+CPU_have3DNow(void)
+{
+    if (CPU_haveCPUID()) {
+        int a, b, c, d;
+
+        cpuid(0x80000000, a, b, c, d);
+        if (a >= 0x80000001) {
+            cpuid(0x80000001, a, b, c, d);
+            return (d & 0x80000000);
+        }
+    }
+    return 0;
+}
+
+static __inline__ int
 CPU_haveSSE(void)
 {
     if (CPU_haveCPUID()) {
@@ -431,9 +488,15 @@
         if (CPU_haveRDTSC()) {
             SDL_CPUFeatures |= CPU_HAS_RDTSC;
         }
+        if (CPU_haveAltiVec()) {
+            SDL_CPUFeatures |= CPU_HAS_ALTIVEC;
+        }
         if (CPU_haveMMX()) {
             SDL_CPUFeatures |= CPU_HAS_MMX;
         }
+        if (CPU_have3DNow()) {
+            SDL_CPUFeatures |= CPU_HAS_3DNOW;
+        }
         if (CPU_haveSSE()) {
             SDL_CPUFeatures |= CPU_HAS_SSE;
         }
@@ -463,6 +526,15 @@
 }
 
 SDL_bool
+SDL_HasAltiVec(void)
+{
+    if (SDL_GetCPUFeatures() & CPU_HAS_ALTIVEC) {
+        return SDL_TRUE;
+    }
+    return SDL_FALSE;
+}
+
+SDL_bool
 SDL_HasMMX(void)
 {
     if (SDL_GetCPUFeatures() & CPU_HAS_MMX) {
@@ -472,6 +544,15 @@
 }
 
 SDL_bool
+SDL_Has3DNow(void)
+{
+    if (SDL_GetCPUFeatures() & CPU_HAS_3DNOW) {
+        return SDL_TRUE;
+    }
+    return SDL_FALSE;
+}
+
+SDL_bool
 SDL_HasSSE(void)
 {
     if (SDL_GetCPUFeatures() & CPU_HAS_SSE) {
@@ -528,7 +609,9 @@
     printf("CPU name: %s\n", SDL_GetCPUName());
     printf("CacheLine size: %d\n", SDL_GetCPUCacheLineSize());
     printf("RDTSC: %d\n", SDL_HasRDTSC());
+    printf("Altivec: %d\n", SDL_HasAltiVec());
     printf("MMX: %d\n", SDL_HasMMX());
+    printf("3DNow: %d\n", SDL_Has3DNow());
     printf("SSE: %d\n", SDL_HasSSE());
     printf("SSE2: %d\n", SDL_HasSSE2());
     printf("SSE3: %d\n", SDL_HasSSE3());
--- a/src/video/SDL_blit.c	Mon Feb 21 23:45:48 2011 -0800
+++ b/src/video/SDL_blit.c	Tue Feb 22 21:44:36 2011 -0800
@@ -100,6 +100,30 @@
     return (okay ? 0 : -1);
 }
 
+#ifdef __MACOSX__
+#include <sys/sysctl.h>
+
+static SDL_bool
+SDL_UseAltivecPrefetch()
+{
+    const char key[] = "hw.l3cachesize";
+    u_int64_t result = 0;
+    size_t typeSize = sizeof(result);
+
+    if (sysctlbyname(key, &result, &typeSize, NULL, 0) == 0 && result > 0) {
+        return SDL_TRUE;
+    } else {
+        return SDL_FALSE;
+    }
+}
+#else
+static SDL_bool
+SDL_UseAltivecPrefetch()
+{
+    /* Just guess G4 */
+    return SDL_TRUE;
+}
+#endif /* __MACOSX__ */
 
 static SDL_BlitFunc
 SDL_ChooseBlitFunc(Uint32 src_format, Uint32 dst_format, int flags,
@@ -121,12 +145,22 @@
             if (SDL_HasMMX()) {
                 features |= SDL_CPU_MMX;
             }
+            if (SDL_Has3DNow()) {
+                features |= SDL_CPU_3DNOW;
+            }
             if (SDL_HasSSE()) {
                 features |= SDL_CPU_SSE;
             }
             if (SDL_HasSSE2()) {
                 features |= SDL_CPU_SSE2;
             }
+            if (SDL_HasAltiVec()) {
+                if (SDL_UseAltivecPrefetch()) {
+                    features |= SDL_CPU_ALTIVEC_PREFETCH;
+                } else {
+                    features |= SDL_CPU_ALTIVEC_NOPREFETCH;
+                }
+            }
         }
     }
 
--- a/src/video/SDL_blit.h	Mon Feb 21 23:45:48 2011 -0800
+++ b/src/video/SDL_blit.h	Tue Feb 22 21:44:36 2011 -0800
@@ -24,24 +24,6 @@
 #ifndef _SDL_blit_h
 #define _SDL_blit_h
 
-#ifdef __MINGW32__
-#include <_mingw.h>
-#endif
-
-#if defined(__MINGW32__) && defined(__MINGW64_VERSION_MAJOR)
-#include <intrin.h>
-#else
-#ifdef __MMX__
-#include <mmintrin.h>
-#endif
-#ifdef __SSE__
-#include <xmmintrin.h>
-#endif
-#ifdef __SSE2__
-#include <emmintrin.h>
-#endif
-#endif
-
 #include "SDL_cpuinfo.h"
 #include "SDL_endian.h"
 #include "SDL_surface.h"
@@ -62,8 +44,11 @@
 /* SDL blit CPU flags */
 #define SDL_CPU_ANY                 0x00000000
 #define SDL_CPU_MMX                 0x00000001
+#define SDL_CPU_3DNOW               0x00000002
 #define SDL_CPU_SSE                 0x00000004
 #define SDL_CPU_SSE2                0x00000008
+#define SDL_CPU_ALTIVEC_PREFETCH    0x00000010
+#define SDL_CPU_ALTIVEC_NOPREFETCH  0x00000020
 
 typedef struct
 {
--- a/src/video/SDL_blit_A.c	Mon Feb 21 23:45:48 2011 -0800
+++ b/src/video/SDL_blit_A.c	Tue Feb 22 21:44:36 2011 -0800
@@ -419,6 +419,806 @@
 
 #endif /* __MMX__ */
 
+#if SDL_ALTIVEC_BLITTERS
+#if __MWERKS__
+#pragma altivec_model on
+#endif
+#if HAVE_ALTIVEC_H
+#include <altivec.h>
+#endif
+#include <assert.h>
+
+#if (defined(__MACOSX__) && (__GNUC__ < 4))
+#define VECUINT8_LITERAL(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) \
+        (vector unsigned char) ( a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p )
+#define VECUINT16_LITERAL(a,b,c,d,e,f,g,h) \
+        (vector unsigned short) ( a,b,c,d,e,f,g,h )
+#else
+#define VECUINT8_LITERAL(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) \
+        (vector unsigned char) { a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p }
+#define VECUINT16_LITERAL(a,b,c,d,e,f,g,h) \
+        (vector unsigned short) { a,b,c,d,e,f,g,h }
+#endif
+
+#define UNALIGNED_PTR(x) (((size_t) x) & 0x0000000F)
+#define VECPRINT(msg, v) do { \
+    vector unsigned int tmpvec = (vector unsigned int)(v); \
+    unsigned int *vp = (unsigned int *)&tmpvec; \
+    printf("%s = %08X %08X %08X %08X\n", msg, vp[0], vp[1], vp[2], vp[3]); \
+} while (0)
+
+/* the permuation vector that takes the high bytes out of all the appropriate shorts 
+    (vector unsigned char)(
+        0x00, 0x10, 0x02, 0x12,
+        0x04, 0x14, 0x06, 0x16,
+        0x08, 0x18, 0x0A, 0x1A,
+        0x0C, 0x1C, 0x0E, 0x1E );
+*/
+#define VEC_MERGE_PERMUTE() (vec_add(vec_lvsl(0, (int*)NULL), (vector unsigned char)vec_splat_u16(0x0F)))
+#define VEC_U32_24() (vec_add(vec_splat_u32(12), vec_splat_u32(12)))
+#define VEC_ALPHA_MASK() ((vector unsigned char)vec_sl((vector unsigned int)vec_splat_s8(-1), VEC_U32_24()))
+#define VEC_ALIGNER(src) ((UNALIGNED_PTR(src)) \
+    ? vec_lvsl(0, src) \
+    : vec_add(vec_lvsl(8, src), vec_splat_u8(8)))
+
+
+#define VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1_16, v8_16) do { \
+    /* vtemp1 contains source AAGGAAGGAAGGAAGG */ \
+    vector unsigned short vtemp1 = vec_mule(vs, valpha); \
+    /* vtemp2 contains source RRBBRRBBRRBBRRBB */ \
+    vector unsigned short vtemp2 = vec_mulo(vs, valpha); \
+    /* valpha2 is 255-alpha */ \
+    vector unsigned char valpha2 = vec_nor(valpha, valpha); \
+    /* vtemp3 contains dest AAGGAAGGAAGGAAGG */ \
+    vector unsigned short vtemp3 = vec_mule(vd, valpha2); \
+    /* vtemp4 contains dest RRBBRRBBRRBBRRBB */ \
+    vector unsigned short vtemp4 = vec_mulo(vd, valpha2); \
+    /* add source and dest */ \
+    vtemp1 = vec_add(vtemp1, vtemp3); \
+    vtemp2 = vec_add(vtemp2, vtemp4); \
+    /* vtemp1 = (vtemp1 + 1) + ((vtemp1 + 1) >> 8) */ \
+    vtemp1 = vec_add(vtemp1, v1_16); \
+    vtemp3 = vec_sr(vtemp1, v8_16); \
+    vtemp1 = vec_add(vtemp1, vtemp3); \
+    /* vtemp2 = (vtemp2 + 1) + ((vtemp2 + 1) >> 8) */ \
+    vtemp2 = vec_add(vtemp2, v1_16); \
+    vtemp4 = vec_sr(vtemp2, v8_16); \
+    vtemp2 = vec_add(vtemp2, vtemp4); \
+    /* (>>8) and get ARGBARGBARGBARGB */ \
+    vd = (vector unsigned char)vec_perm(vtemp1, vtemp2, mergePermute); \
+} while (0)
+
+/* Calculate the permute vector used for 32->32 swizzling */
+static vector unsigned char
+calc_swizzle32(const SDL_PixelFormat * srcfmt, const SDL_PixelFormat * dstfmt)
+{
+    /*
+     * We have to assume that the bits that aren't used by other
+     *  colors is alpha, and it's one complete byte, since some formats
+     *  leave alpha with a zero mask, but we should still swizzle the bits.
+     */
+    /* ARGB */
+    const static struct SDL_PixelFormat default_pixel_format = {
+        NULL, 0, 0,
+        0, 0, 0, 0,
+        16, 8, 0, 24,
+        0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000
+    };
+    if (!srcfmt) {
+        srcfmt = &default_pixel_format;
+    }
+    if (!dstfmt) {
+        dstfmt = &default_pixel_format;
+    }
+    const vector unsigned char plus = VECUINT8_LITERAL(0x00, 0x00, 0x00, 0x00,
+                                                       0x04, 0x04, 0x04, 0x04,
+                                                       0x08, 0x08, 0x08, 0x08,
+                                                       0x0C, 0x0C, 0x0C,
+                                                       0x0C);
+    vector unsigned char vswiz;
+    vector unsigned int srcvec;
+#define RESHIFT(X) (3 - ((X) >> 3))
+    Uint32 rmask = RESHIFT(srcfmt->Rshift) << (dstfmt->Rshift);
+    Uint32 gmask = RESHIFT(srcfmt->Gshift) << (dstfmt->Gshift);
+    Uint32 bmask = RESHIFT(srcfmt->Bshift) << (dstfmt->Bshift);
+    Uint32 amask;
+    /* Use zero for alpha if either surface doesn't have alpha */
+    if (dstfmt->Amask) {
+        amask =
+            ((srcfmt->Amask) ? RESHIFT(srcfmt->
+                                       Ashift) : 0x10) << (dstfmt->Ashift);
+    } else {
+        amask =
+            0x10101010 & ((dstfmt->Rmask | dstfmt->Gmask | dstfmt->Bmask) ^
+                          0xFFFFFFFF);
+    }
+#undef RESHIFT
+    ((unsigned int *) (char *) &srcvec)[0] = (rmask | gmask | bmask | amask);
+    vswiz = vec_add(plus, (vector unsigned char) vec_splat(srcvec, 0));
+    return (vswiz);
+}
+
+static void
+Blit32to565PixelAlphaAltivec(SDL_BlitInfo * info)
+{
+    int height = info->dst_h;
+    Uint8 *src = (Uint8 *) info->src;
+    int srcskip = info->src_skip;
+    Uint8 *dst = (Uint8 *) info->dst;
+    int dstskip = info->dst_skip;
+    SDL_PixelFormat *srcfmt = info->src_fmt;
+
+    vector unsigned char v0 = vec_splat_u8(0);
+    vector unsigned short v8_16 = vec_splat_u16(8);
+    vector unsigned short v1_16 = vec_splat_u16(1);
+    vector unsigned short v2_16 = vec_splat_u16(2);
+    vector unsigned short v3_16 = vec_splat_u16(3);
+    vector unsigned int v8_32 = vec_splat_u32(8);
+    vector unsigned int v16_32 = vec_add(v8_32, v8_32);
+    vector unsigned short v3f =
+        VECUINT16_LITERAL(0x003f, 0x003f, 0x003f, 0x003f,
+                          0x003f, 0x003f, 0x003f, 0x003f);
+    vector unsigned short vfc =
+        VECUINT16_LITERAL(0x00fc, 0x00fc, 0x00fc, 0x00fc,
+                          0x00fc, 0x00fc, 0x00fc, 0x00fc);
+
+    /* 
+       0x10 - 0x1f is the alpha
+       0x00 - 0x0e evens are the red
+       0x01 - 0x0f odds are zero
+     */
+    vector unsigned char vredalpha1 = VECUINT8_LITERAL(0x10, 0x00, 0x01, 0x01,
+                                                       0x10, 0x02, 0x01, 0x01,
+                                                       0x10, 0x04, 0x01, 0x01,
+                                                       0x10, 0x06, 0x01,
+                                                       0x01);
+    vector unsigned char vredalpha2 =
+        (vector unsigned char) (vec_add((vector unsigned int) vredalpha1,
+                                        vec_sl(v8_32, v16_32))
+        );
+    /*
+       0x00 - 0x0f is ARxx ARxx ARxx ARxx
+       0x11 - 0x0f odds are blue
+     */
+    vector unsigned char vblue1 = VECUINT8_LITERAL(0x00, 0x01, 0x02, 0x11,
+                                                   0x04, 0x05, 0x06, 0x13,
+                                                   0x08, 0x09, 0x0a, 0x15,
+                                                   0x0c, 0x0d, 0x0e, 0x17);
+    vector unsigned char vblue2 =
+        (vector unsigned char) (vec_add((vector unsigned int) vblue1, v8_32)
+        );
+    /*
+       0x00 - 0x0f is ARxB ARxB ARxB ARxB
+       0x10 - 0x0e evens are green
+     */
+    vector unsigned char vgreen1 = VECUINT8_LITERAL(0x00, 0x01, 0x10, 0x03,
+                                                    0x04, 0x05, 0x12, 0x07,
+                                                    0x08, 0x09, 0x14, 0x0b,
+                                                    0x0c, 0x0d, 0x16, 0x0f);
+    vector unsigned char vgreen2 =
+        (vector unsigned
+         char) (vec_add((vector unsigned int) vgreen1, vec_sl(v8_32, v8_32))
+        );
+    vector unsigned char vgmerge = VECUINT8_LITERAL(0x00, 0x02, 0x00, 0x06,
+                                                    0x00, 0x0a, 0x00, 0x0e,
+                                                    0x00, 0x12, 0x00, 0x16,
+                                                    0x00, 0x1a, 0x00, 0x1e);
+    vector unsigned char mergePermute = VEC_MERGE_PERMUTE();
+    vector unsigned char vpermute = calc_swizzle32(srcfmt, NULL);
+    vector unsigned char valphaPermute =
+        vec_and(vec_lvsl(0, (int *) NULL), vec_splat_u8(0xC));
+
+    vector unsigned short vf800 = (vector unsigned short) vec_splat_u8(-7);
+    vf800 = vec_sl(vf800, vec_splat_u16(8));
+
+    while (height--) {
+        int extrawidth;
+        vector unsigned char valigner;
+        vector unsigned char vsrc;
+        vector unsigned char voverflow;
+        int width = info->dst_w;
+
+#define ONE_PIXEL_BLEND(condition, widthvar) \
+        while (condition) { \
+            Uint32 Pixel; \
+            unsigned sR, sG, sB, dR, dG, dB, sA; \
+            DISEMBLE_RGBA(src, 4, srcfmt, Pixel, sR, sG, sB, sA); \
+            if(sA) { \
+                unsigned short dstpixel = *((unsigned short *)dst); \
+                dR = (dstpixel >> 8) & 0xf8; \
+                dG = (dstpixel >> 3) & 0xfc; \
+                dB = (dstpixel << 3) & 0xf8; \
+                ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \
+                *((unsigned short *)dst) = ( \
+                    ((dR & 0xf8) << 8) | ((dG & 0xfc) << 3) | (dB >> 3) \
+                ); \
+            } \
+            src += 4; \
+            dst += 2; \
+            widthvar--; \
+        }
+        ONE_PIXEL_BLEND((UNALIGNED_PTR(dst)) && (width), width);
+        extrawidth = (width % 8);
+        valigner = VEC_ALIGNER(src);
+        vsrc = (vector unsigned char) vec_ld(0, src);
+        width -= extrawidth;
+        while (width) {
+            vector unsigned char valpha;
+            vector unsigned char vsrc1, vsrc2;
+            vector unsigned char vdst1, vdst2;
+            vector unsigned short vR, vG, vB;
+            vector unsigned short vpixel, vrpixel, vgpixel, vbpixel;
+
+            /* Load 8 pixels from src as ARGB */
+            voverflow = (vector unsigned char) vec_ld(15, src);
+            vsrc = vec_perm(vsrc, voverflow, valigner);
+            vsrc1 = vec_perm(vsrc, vsrc, vpermute);
+            src += 16;
+            vsrc = (vector unsigned char) vec_ld(15, src);
+            voverflow = vec_perm(voverflow, vsrc, valigner);
+            vsrc2 = vec_perm(voverflow, voverflow, vpermute);
+            src += 16;
+
+            /* Load 8 pixels from dst as XRGB */
+            voverflow = vec_ld(0, dst);
+            vR = vec_and((vector unsigned short) voverflow, vf800);
+            vB = vec_sl((vector unsigned short) voverflow, v3_16);
+            vG = vec_sl(vB, v2_16);
+            vdst1 =
+                (vector unsigned char) vec_perm((vector unsigned char) vR,
+                                                (vector unsigned char) vR,
+                                                vredalpha1);
+            vdst1 = vec_perm(vdst1, (vector unsigned char) vB, vblue1);
+            vdst1 = vec_perm(vdst1, (vector unsigned char) vG, vgreen1);
+            vdst2 =
+                (vector unsigned char) vec_perm((vector unsigned char) vR,
+                                                (vector unsigned char) vR,
+                                                vredalpha2);
+            vdst2 = vec_perm(vdst2, (vector unsigned char) vB, vblue2);
+            vdst2 = vec_perm(vdst2, (vector unsigned char) vG, vgreen2);
+
+            /* Alpha blend 8 pixels as ARGB */
+            valpha = vec_perm(vsrc1, v0, valphaPermute);
+            VEC_MULTIPLY_ALPHA(vsrc1, vdst1, valpha, mergePermute, v1_16,
+                               v8_16);
+            valpha = vec_perm(vsrc2, v0, valphaPermute);
+            VEC_MULTIPLY_ALPHA(vsrc2, vdst2, valpha, mergePermute, v1_16,
+                               v8_16);
+
+            /* Convert 8 pixels to 565 */
+            vpixel = (vector unsigned short) vec_packpx((vector unsigned int)
+                                                        vdst1,
+                                                        (vector unsigned int)
+                                                        vdst2);
+            vgpixel = (vector unsigned short) vec_perm(vdst1, vdst2, vgmerge);
+            vgpixel = vec_and(vgpixel, vfc);
+            vgpixel = vec_sl(vgpixel, v3_16);
+            vrpixel = vec_sl(vpixel, v1_16);
+            vrpixel = vec_and(vrpixel, vf800);
+            vbpixel = vec_and(vpixel, v3f);
+            vdst1 =
+                vec_or((vector unsigned char) vrpixel,
+                       (vector unsigned char) vgpixel);
+            vdst1 = vec_or(vdst1, (vector unsigned char) vbpixel);
+
+            /* Store 8 pixels */
+            vec_st(vdst1, 0, dst);
+
+            width -= 8;
+            dst += 16;
+        }
+        ONE_PIXEL_BLEND((extrawidth), extrawidth);
+#undef ONE_PIXEL_BLEND
+        src += srcskip;
+        dst += dstskip;
+    }
+}
+
+static void
+Blit32to32SurfaceAlphaKeyAltivec(SDL_BlitInfo * info)
+{
+    int height = info->dst_h;
+    Uint32 *srcp = (Uint32 *) info->src;
+    int srcskip = info->src_skip >> 2;
+    Uint32 *dstp = (Uint32 *) info->dst;
+    int dstskip = info->dst_skip >> 2;
+    SDL_PixelFormat *srcfmt = info->src_fmt;
+    SDL_PixelFormat *dstfmt = info->dst_fmt;
+    unsigned sA = info->a;
+    unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0;
+    Uint32 rgbmask = srcfmt->Rmask | srcfmt->Gmask | srcfmt->Bmask;
+    Uint32 ckey = info->colorkey;
+    vector unsigned char mergePermute;
+    vector unsigned char vsrcPermute;
+    vector unsigned char vdstPermute;
+    vector unsigned char vsdstPermute;
+    vector unsigned char valpha;
+    vector unsigned char valphamask;
+    vector unsigned char vbits;
+    vector unsigned char v0;
+    vector unsigned short v1;
+    vector unsigned short v8;
+    vector unsigned int vckey;
+    vector unsigned int vrgbmask;
+
+    mergePermute = VEC_MERGE_PERMUTE();
+    v0 = vec_splat_u8(0);
+    v1 = vec_splat_u16(1);
+    v8 = vec_splat_u16(8);
+
+    /* set the alpha to 255 on the destination surf */
+    valphamask = VEC_ALPHA_MASK();
+
+    vsrcPermute = calc_swizzle32(srcfmt, NULL);
+    vdstPermute = calc_swizzle32(NULL, dstfmt);
+    vsdstPermute = calc_swizzle32(dstfmt, NULL);
+
+    /* set a vector full of alpha and 255-alpha */
+    ((unsigned char *) &valpha)[0] = sA;
+    valpha = vec_splat(valpha, 0);
+    vbits = (vector unsigned char) vec_splat_s8(-1);
+
+    ckey &= rgbmask;
+    ((unsigned int *) (char *) &vckey)[0] = ckey;
+    vckey = vec_splat(vckey, 0);
+    ((unsigned int *) (char *) &vrgbmask)[0] = rgbmask;
+    vrgbmask = vec_splat(vrgbmask, 0);
+
+    while (height--) {
+        int width = info->dst_w;
+#define ONE_PIXEL_BLEND(condition, widthvar) \
+        while (condition) { \
+            Uint32 Pixel; \
+            unsigned sR, sG, sB, dR, dG, dB; \
+            RETRIEVE_RGB_PIXEL(((Uint8 *)srcp), 4, Pixel); \
+            if(sA && Pixel != ckey) { \
+                RGB_FROM_PIXEL(Pixel, srcfmt, sR, sG, sB); \
+                DISEMBLE_RGB(((Uint8 *)dstp), 4, dstfmt, Pixel, dR, dG, dB); \
+                ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \
+                ASSEMBLE_RGBA(((Uint8 *)dstp), 4, dstfmt, dR, dG, dB, dA); \
+            } \
+            dstp++; \
+            srcp++; \
+            widthvar--; \
+        }
+        ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width);
+        if (width > 0) {
+            int extrawidth = (width % 4);
+            vector unsigned char valigner = VEC_ALIGNER(srcp);
+            vector unsigned char vs = (vector unsigned char) vec_ld(0, srcp);
+            width -= extrawidth;
+            while (width) {
+                vector unsigned char vsel;
+                vector unsigned char voverflow;
+                vector unsigned char vd;
+                vector unsigned char vd_orig;
+
+                /* s = *srcp */
+                voverflow = (vector unsigned char) vec_ld(15, srcp);
+                vs = vec_perm(vs, voverflow, valigner);
+
+                /* vsel is set for items that match the key */
+                vsel =
+                    (vector unsigned char) vec_and((vector unsigned int) vs,
+                                                   vrgbmask);
+                vsel = (vector unsigned char) vec_cmpeq((vector unsigned int)
+                                                        vsel, vckey);
+
+                /* permute to source format */
+                vs = vec_perm(vs, valpha, vsrcPermute);
+
+                /* d = *dstp */
+                vd = (vector unsigned char) vec_ld(0, dstp);
+                vd_orig = vd = vec_perm(vd, v0, vsdstPermute);
+
+                VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8);
+
+                /* set the alpha channel to full on */
+                vd = vec_or(vd, valphamask);
+
+                /* mask out color key */
+                vd = vec_sel(vd, vd_orig, vsel);
+
+                /* permute to dest format */
+                vd = vec_perm(vd, vbits, vdstPermute);
+
+                /* *dstp = res */
+                vec_st((vector unsigned int) vd, 0, dstp);
+
+                srcp += 4;
+                dstp += 4;
+                width -= 4;
+                vs = voverflow;
+            }
+            ONE_PIXEL_BLEND((extrawidth), extrawidth);
+        }
+#undef ONE_PIXEL_BLEND
+
+        srcp += srcskip;
+        dstp += dstskip;
+    }
+}
+
+
+static void
+Blit32to32PixelAlphaAltivec(SDL_BlitInfo * info)
+{
+    int width = info->dst_w;
+    int height = info->dst_h;
+    Uint32 *srcp = (Uint32 *) info->src;
+    int srcskip = info->src_skip >> 2;
+    Uint32 *dstp = (Uint32 *) info->dst;
+    int dstskip = info->dst_skip >> 2;
+    SDL_PixelFormat *srcfmt = info->src_fmt;
+    SDL_PixelFormat *dstfmt = info->dst_fmt;
+    vector unsigned char mergePermute;
+    vector unsigned char valphaPermute;
+    vector unsigned char vsrcPermute;
+    vector unsigned char vdstPermute;
+    vector unsigned char vsdstPermute;
+    vector unsigned char valphamask;
+    vector unsigned char vpixelmask;
+    vector unsigned char v0;
+    vector unsigned short v1;
+    vector unsigned short v8;
+
+    v0 = vec_splat_u8(0);
+    v1 = vec_splat_u16(1);
+    v8 = vec_splat_u16(8);
+    mergePermute = VEC_MERGE_PERMUTE();
+    valphamask = VEC_ALPHA_MASK();
+    valphaPermute = vec_and(vec_lvsl(0, (int *) NULL), vec_splat_u8(0xC));
+    vpixelmask = vec_nor(valphamask, v0);
+    vsrcPermute = calc_swizzle32(srcfmt, NULL);
+    vdstPermute = calc_swizzle32(NULL, dstfmt);
+    vsdstPermute = calc_swizzle32(dstfmt, NULL);
+
+    while (height--) {
+        width = info->dst_w;
+#define ONE_PIXEL_BLEND(condition, widthvar) while ((condition)) { \
+            Uint32 Pixel; \
+            unsigned sR, sG, sB, dR, dG, dB, sA, dA; \
+            DISEMBLE_RGBA((Uint8 *)srcp, 4, srcfmt, Pixel, sR, sG, sB, sA); \
+            if(sA) { \
+              DISEMBLE_RGBA((Uint8 *)dstp, 4, dstfmt, Pixel, dR, dG, dB, dA); \
+              ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \
+              ASSEMBLE_RGBA((Uint8 *)dstp, 4, dstfmt, dR, dG, dB, dA); \
+            } \
+            ++srcp; \
+            ++dstp; \
+            widthvar--; \
+        }
+        ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width);
+        if (width > 0) {
+            /* vsrcPermute */
+            /* vdstPermute */
+            int extrawidth = (width % 4);
+            vector unsigned char valigner = VEC_ALIGNER(srcp);
+            vector unsigned char vs = (vector unsigned char) vec_ld(0, srcp);
+            width -= extrawidth;
+            while (width) {
+                vector unsigned char voverflow;
+                vector unsigned char vd;
+                vector unsigned char valpha;
+                vector unsigned char vdstalpha;
+                /* s = *srcp */
+                voverflow = (vector unsigned char) vec_ld(15, srcp);
+                vs = vec_perm(vs, voverflow, valigner);
+                vs = vec_perm(vs, v0, vsrcPermute);
+
+                valpha = vec_perm(vs, v0, valphaPermute);
+
+                /* d = *dstp */
+                vd = (vector unsigned char) vec_ld(0, dstp);
+                vd = vec_perm(vd, v0, vsdstPermute);
+                vdstalpha = vec_and(vd, valphamask);
+
+                VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8);
+
+                /* set the alpha to the dest alpha */
+                vd = vec_and(vd, vpixelmask);
+                vd = vec_or(vd, vdstalpha);
+                vd = vec_perm(vd, v0, vdstPermute);
+
+                /* *dstp = res */
+                vec_st((vector unsigned int) vd, 0, dstp);
+
+                srcp += 4;
+                dstp += 4;
+                width -= 4;
+                vs = voverflow;
+
+            }
+            ONE_PIXEL_BLEND((extrawidth), extrawidth);
+        }
+        srcp += srcskip;
+        dstp += dstskip;
+#undef ONE_PIXEL_BLEND
+    }
+}
+
+/* fast ARGB888->(A)RGB888 blending with pixel alpha */
+static void
+BlitRGBtoRGBPixelAlphaAltivec(SDL_BlitInfo * info)
+{
+    int width = info->dst_w;
+    int height = info->dst_h;
+    Uint32 *srcp = (Uint32 *) info->src;
+    int srcskip = info->src_skip >> 2;
+    Uint32 *dstp = (Uint32 *) info->dst;
+    int dstskip = info->dst_skip >> 2;
+    vector unsigned char mergePermute;
+    vector unsigned char valphaPermute;
+    vector unsigned char valphamask;
+    vector unsigned char vpixelmask;
+    vector unsigned char v0;
+    vector unsigned short v1;
+    vector unsigned short v8;
+    v0 = vec_splat_u8(0);
+    v1 = vec_splat_u16(1);
+    v8 = vec_splat_u16(8);
+    mergePermute = VEC_MERGE_PERMUTE();
+    valphamask = VEC_ALPHA_MASK();
+    valphaPermute = vec_and(vec_lvsl(0, (int *) NULL), vec_splat_u8(0xC));
+
+
+    vpixelmask = vec_nor(valphamask, v0);
+    while (height--) {
+        width = info->dst_w;
+#define ONE_PIXEL_BLEND(condition, widthvar) \
+        while ((condition)) { \
+            Uint32 dalpha; \
+            Uint32 d; \
+            Uint32 s1; \
+            Uint32 d1; \
+            Uint32 s = *srcp; \
+            Uint32 alpha = s >> 24; \
+            if(alpha) { \
+              if(alpha == SDL_ALPHA_OPAQUE) { \
+                *dstp = (s & 0x00ffffff) | (*dstp & 0xff000000); \
+              } else { \
+                d = *dstp; \
+                dalpha = d & 0xff000000; \
+                s1 = s & 0xff00ff; \
+                d1 = d & 0xff00ff; \
+                d1 = (d1 + ((s1 - d1) * alpha >> 8)) & 0xff00ff; \
+                s &= 0xff00; \
+                d &= 0xff00; \
+                d = (d + ((s - d) * alpha >> 8)) & 0xff00; \
+                *dstp = d1 | d | dalpha; \
+              } \
+            } \
+            ++srcp; \
+            ++dstp; \
+            widthvar--; \
+	    }
+        ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width);
+        if (width > 0) {
+            int extrawidth = (width % 4);
+            vector unsigned char valigner = VEC_ALIGNER(srcp);
+            vector unsigned char vs = (vector unsigned char) vec_ld(0, srcp);
+            width -= extrawidth;
+            while (width) {
+                vector unsigned char voverflow;
+                vector unsigned char vd;
+                vector unsigned char valpha;
+                vector unsigned char vdstalpha;
+                /* s = *srcp */
+                voverflow = (vector unsigned char) vec_ld(15, srcp);
+                vs = vec_perm(vs, voverflow, valigner);
+
+                valpha = vec_perm(vs, v0, valphaPermute);
+
+                /* d = *dstp */
+                vd = (vector unsigned char) vec_ld(0, dstp);
+                vdstalpha = vec_and(vd, valphamask);
+
+                VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8);
+
+                /* set the alpha to the dest alpha */
+                vd = vec_and(vd, vpixelmask);
+                vd = vec_or(vd, vdstalpha);
+
+                /* *dstp = res */
+                vec_st((vector unsigned int) vd, 0, dstp);
+
+                srcp += 4;
+                dstp += 4;
+                width -= 4;
+                vs = voverflow;
+            }
+            ONE_PIXEL_BLEND((extrawidth), extrawidth);
+        }
+        srcp += srcskip;
+        dstp += dstskip;
+    }
+#undef ONE_PIXEL_BLEND
+}
+
+static void
+Blit32to32SurfaceAlphaAltivec(SDL_BlitInfo * info)
+{
+    /* XXX : 6 */
+    int height = info->dst_h;
+    Uint32 *srcp = (Uint32 *) info->src;
+    int srcskip = info->src_skip >> 2;
+    Uint32 *dstp = (Uint32 *) info->dst;
+    int dstskip = info->dst_skip >> 2;
+    SDL_PixelFormat *srcfmt = info->src_fmt;
+    SDL_PixelFormat *dstfmt = info->dst_fmt;
+    unsigned sA = info->a;
+    unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0;
+    vector unsigned char mergePermute;
+    vector unsigned char vsrcPermute;
+    vector unsigned char vdstPermute;
+    vector unsigned char vsdstPermute;
+    vector unsigned char valpha;
+    vector unsigned char valphamask;
+    vector unsigned char vbits;
+    vector unsigned short v1;
+    vector unsigned short v8;
+
+    mergePermute = VEC_MERGE_PERMUTE();
+    v1 = vec_splat_u16(1);
+    v8 = vec_splat_u16(8);
+
+    /* set the alpha to 255 on the destination surf */
+    valphamask = VEC_ALPHA_MASK();
+
+    vsrcPermute = calc_swizzle32(srcfmt, NULL);
+    vdstPermute = calc_swizzle32(NULL, dstfmt);
+    vsdstPermute = calc_swizzle32(dstfmt, NULL);
+
+    /* set a vector full of alpha and 255-alpha */
+    ((unsigned char *) &valpha)[0] = sA;
+    valpha = vec_splat(valpha, 0);
+    vbits = (vector unsigned char) vec_splat_s8(-1);
+
+    while (height--) {
+        int width = info->dst_w;
+#define ONE_PIXEL_BLEND(condition, widthvar) while ((condition)) { \
+            Uint32 Pixel; \
+            unsigned sR, sG, sB, dR, dG, dB; \
+            DISEMBLE_RGB(((Uint8 *)srcp), 4, srcfmt, Pixel, sR, sG, sB); \
+            DISEMBLE_RGB(((Uint8 *)dstp), 4, dstfmt, Pixel, dR, dG, dB); \
+            ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \
+            ASSEMBLE_RGBA(((Uint8 *)dstp), 4, dstfmt, dR, dG, dB, dA); \
+            ++srcp; \
+            ++dstp; \
+            widthvar--; \
+        }
+        ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width);
+        if (width > 0) {
+            int extrawidth = (width % 4);
+            vector unsigned char valigner = VEC_ALIGNER(srcp);
+            vector unsigned char vs = (vector unsigned char) vec_ld(0, srcp);
+            width -= extrawidth;
+            while (width) {
+                vector unsigned char voverflow;
+                vector unsigned char vd;
+
+                /* s = *srcp */
+                voverflow = (vector unsigned char) vec_ld(15, srcp);
+                vs = vec_perm(vs, voverflow, valigner);
+                vs = vec_perm(vs, valpha, vsrcPermute);
+
+                /* d = *dstp */
+                vd = (vector unsigned char) vec_ld(0, dstp);
+                vd = vec_perm(vd, vd, vsdstPermute);
+
+                VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8);
+
+                /* set the alpha channel to full on */
+                vd = vec_or(vd, valphamask);
+                vd = vec_perm(vd, vbits, vdstPermute);
+
+                /* *dstp = res */
+                vec_st((vector unsigned int) vd, 0, dstp);
+
+                srcp += 4;
+                dstp += 4;
+                width -= 4;
+                vs = voverflow;
+            }
+            ONE_PIXEL_BLEND((extrawidth), extrawidth);
+        }
+#undef ONE_PIXEL_BLEND
+
+        srcp += srcskip;
+        dstp += dstskip;
+    }
+
+}
+
+
+/* fast RGB888->(A)RGB888 blending */
+static void
+BlitRGBtoRGBSurfaceAlphaAltivec(SDL_BlitInfo * info)
+{
+    unsigned alpha = info->a;
+    int height = info->dst_h;
+    Uint32 *srcp = (Uint32 *) info->src;
+    int srcskip = info->src_skip >> 2;
+    Uint32 *dstp = (Uint32 *) info->dst;
+    int dstskip = info->dst_skip >> 2;
+    vector unsigned char mergePermute;
+    vector unsigned char valpha;
+    vector unsigned char valphamask;
+    vector unsigned short v1;
+    vector unsigned short v8;
+
+    mergePermute = VEC_MERGE_PERMUTE();
+    v1 = vec_splat_u16(1);
+    v8 = vec_splat_u16(8);
+
+    /* set the alpha to 255 on the destination surf */
+    valphamask = VEC_ALPHA_MASK();
+
+    /* set a vector full of alpha and 255-alpha */
+    ((unsigned char *) &valpha)[0] = alpha;
+    valpha = vec_splat(valpha, 0);
+
+    while (height--) {
+        int width = info->dst_w;
+#define ONE_PIXEL_BLEND(condition, widthvar) while ((condition)) { \
+            Uint32 s = *srcp; \
+            Uint32 d = *dstp; \
+            Uint32 s1 = s & 0xff00ff; \
+            Uint32 d1 = d & 0xff00ff; \
+            d1 = (d1 + ((s1 - d1) * alpha >> 8)) \
+                 & 0xff00ff; \
+            s &= 0xff00; \
+            d &= 0xff00; \
+            d = (d + ((s - d) * alpha >> 8)) & 0xff00; \
+            *dstp = d1 | d | 0xff000000; \
+            ++srcp; \
+            ++dstp; \
+            widthvar--; \
+        }
+        ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width);
+        if (width > 0) {
+            int extrawidth = (width % 4);
+            vector unsigned char valigner = VEC_ALIGNER(srcp);
+            vector unsigned char vs = (vector unsigned char) vec_ld(0, srcp);
+            width -= extrawidth;
+            while (width) {
+                vector unsigned char voverflow;
+                vector unsigned char vd;
+
+                /* s = *srcp */
+                voverflow = (vector unsigned char) vec_ld(15, srcp);
+                vs = vec_perm(vs, voverflow, valigner);
+
+                /* d = *dstp */
+                vd = (vector unsigned char) vec_ld(0, dstp);
+
+                VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8);
+
+                /* set the alpha channel to full on */
+                vd = vec_or(vd, valphamask);
+
+                /* *dstp = res */
+                vec_st((vector unsigned int) vd, 0, dstp);
+
+                srcp += 4;
+                dstp += 4;
+                width -= 4;
+                vs = voverflow;
+            }
+            ONE_PIXEL_BLEND((extrawidth), extrawidth);
+        }
+#undef ONE_PIXEL_BLEND
+
+        srcp += srcskip;
+        dstp += dstskip;
+    }
+}
+
+#if __MWERKS__
+#pragma altivec_model off
+#endif
+#endif /* SDL_ALTIVEC_BLITTERS */
+
 /* fast RGB888->(A)RGB888 blending with surface alpha=128 special case */
 static void
 BlitRGBtoRGBSurfaceAlpha128(SDL_BlitInfo * info)
@@ -538,6 +1338,79 @@
     }
 }
 
+#ifdef __3dNOW__
+/* fast (as in MMX with prefetch) ARGB888->(A)RGB888 blending with pixel alpha */
+static void
+BlitRGBtoRGBPixelAlphaMMX3DNOW(SDL_BlitInfo * info)
+{
+    int width = info->dst_w;
+    int height = info->dst_h;
+    Uint32 *srcp = (Uint32 *) info->src;
+    int srcskip = info->src_skip >> 2;
+    Uint32 *dstp = (Uint32 *) info->dst;
+    int dstskip = info->dst_skip >> 2;
+    SDL_PixelFormat *sf = info->src_fmt;
+    Uint32 chanmask = sf->Rmask | sf->Gmask | sf->Bmask;
+    Uint32 amask = sf->Amask;
+    Uint32 ashift = sf->Ashift;
+    Uint64 multmask;
+
+    __m64 src1, dst1, mm_alpha, mm_zero, dmask;
+
+    mm_zero = _mm_setzero_si64();       /* 0 -> mm_zero */
+    multmask = 0xFFFF;
+    multmask <<= (ashift * 2);
+    multmask = ~multmask;
+    dmask = *(__m64 *) & multmask;      /* dst alpha mask -> dmask */
+
+    while (height--) {
+	    /* *INDENT-OFF* */
+	    DUFFS_LOOP4({
+		Uint32 alpha;
+
+		_m_prefetch(srcp + 16);
+		_m_prefetch(dstp + 16);
+
+		alpha = *srcp & amask;
+		if (alpha == 0) {
+			/* do nothing */
+		} else if (alpha == amask) {
+			/* copy RGB, keep dst alpha */
+			*dstp = (*srcp & chanmask) | (*dstp & ~chanmask);
+		} else {
+			src1 = _mm_cvtsi32_si64(*srcp); /* src(ARGB) -> src1 (0000ARGB)*/
+			src1 = _mm_unpacklo_pi8(src1, mm_zero); /* 0A0R0G0B -> src1 */
+
+			dst1 = _mm_cvtsi32_si64(*dstp); /* dst(ARGB) -> dst1 (0000ARGB)*/
+			dst1 = _mm_unpacklo_pi8(dst1, mm_zero); /* 0A0R0G0B -> dst1 */
+
+			mm_alpha = _mm_cvtsi32_si64(alpha); /* alpha -> mm_alpha (0000000A) */
+			mm_alpha = _mm_srli_si64(mm_alpha, ashift); /* mm_alpha >> ashift -> mm_alpha(0000000A) */
+			mm_alpha = _mm_unpacklo_pi16(mm_alpha, mm_alpha); /* 00000A0A -> mm_alpha */
+			mm_alpha = _mm_unpacklo_pi32(mm_alpha, mm_alpha); /* 0A0A0A0A -> mm_alpha */
+			mm_alpha = _mm_and_si64(mm_alpha, dmask); /* 000A0A0A -> mm_alpha, preserve dst alpha on add */
+
+			/* blend */		    
+			src1 = _mm_sub_pi16(src1, dst1);/* src - dst -> src1 */
+			src1 = _mm_mullo_pi16(src1, mm_alpha); /* (src - dst) * alpha -> src1 */
+			src1 = _mm_srli_pi16(src1, 8); /* src1 >> 8 -> src1(000R0G0B) */
+			dst1 = _mm_add_pi8(src1, dst1); /* src1 + dst1(dst) -> dst1(0A0R0G0B) */
+			dst1 = _mm_packs_pu16(dst1, mm_zero);  /* 0000ARGB -> dst1 */
+			
+			*dstp = _mm_cvtsi64_si32(dst1); /* dst1 -> pixel */
+		}
+		++srcp;
+		++dstp;
+	    }, width);
+	    /* *INDENT-ON* */
+        srcp += srcskip;
+        dstp += dstskip;
+    }
+    _mm_empty();
+}
+
+#endif /* __MMX__ */
+
 /* 16bpp special case for per-surface alpha=50%: blend 2 pixels in parallel */
 
 /* blend a single 16 bit pixel at 50% */
@@ -1257,10 +2130,17 @@
             return BlitNto1PixelAlpha;
 
         case 2:
-            if (sf->BytesPerPixel == 4 && sf->Amask == 0xff000000
-                && sf->Gmask == 0xff00
-                && ((sf->Rmask == 0xff && df->Rmask == 0x1f)
-                    || (sf->Bmask == 0xff && df->Bmask == 0x1f))) {
+#if SDL_ALTIVEC_BLITTERS
+            if (sf->BytesPerPixel == 4
+                && df->Gmask == 0x7e0 && df->Bmask == 0x1f
+                && SDL_HasAltiVec())
+                return Blit32to565PixelAlphaAltivec;
+            else
+#endif
+                if (sf->BytesPerPixel == 4 && sf->Amask == 0xff000000
+                    && sf->Gmask == 0xff00
+                    && ((sf->Rmask == 0xff && df->Rmask == 0x1f)
+                        || (sf->Bmask == 0xff && df->Bmask == 0x1f))) {
                 if (df->Gmask == 0x7e0)
                     return BlitARGBto565PixelAlpha;
                 else if (df->Gmask == 0x3e0)
@@ -1272,20 +2152,35 @@
             if (sf->Rmask == df->Rmask
                 && sf->Gmask == df->Gmask
                 && sf->Bmask == df->Bmask && sf->BytesPerPixel == 4) {
-#if defined(__MMX__)
+#if defined(__MMX__) || defined(__3dNOW__)
                 if (sf->Rshift % 8 == 0
                     && sf->Gshift % 8 == 0
                     && sf->Bshift % 8 == 0
                     && sf->Ashift % 8 == 0 && sf->Aloss == 0) {
+#ifdef __3dNOW__
+                    if (SDL_Has3DNow())
+                        return BlitRGBtoRGBPixelAlphaMMX3DNOW;
+#endif
+#ifdef __MMX__
                     if (SDL_HasMMX())
                         return BlitRGBtoRGBPixelAlphaMMX;
+#endif
                 }
-#endif /* __MMX__ */
+#endif /* __MMX__ || __3dNOW__ */
                 if (sf->Amask == 0xff000000) {
+#if SDL_ALTIVEC_BLITTERS
+                    if (SDL_HasAltiVec())
+                        return BlitRGBtoRGBPixelAlphaAltivec;
+#endif
                     return BlitRGBtoRGBPixelAlpha;
                 }
             }
-            return BlitNtoNPixelAlpha;
+#if SDL_ALTIVEC_BLITTERS
+            if (sf->Amask && sf->BytesPerPixel == 4 && SDL_HasAltiVec())
+                return Blit32to32PixelAlphaAltivec;
+            else
+#endif
+                return BlitNtoNPixelAlpha;
 
         case 3:
         default:
@@ -1331,10 +2226,19 @@
                         return BlitRGBtoRGBSurfaceAlphaMMX;
 #endif
                     if ((sf->Rmask | sf->Gmask | sf->Bmask) == 0xffffff) {
+#if SDL_ALTIVEC_BLITTERS
+                        if (SDL_HasAltiVec())
+                            return BlitRGBtoRGBSurfaceAlphaAltivec;
+#endif
                         return BlitRGBtoRGBSurfaceAlpha;
                     }
                 }
-                return BlitNtoNSurfaceAlpha;
+#if SDL_ALTIVEC_BLITTERS
+                if ((sf->BytesPerPixel == 4) && SDL_HasAltiVec())
+                    return Blit32to32SurfaceAlphaAltivec;
+                else
+#endif
+                    return BlitNtoNSurfaceAlpha;
 
             case 3:
             default:
@@ -1348,6 +2252,12 @@
             if (df->BytesPerPixel == 1)
                 return BlitNto1SurfaceAlphaKey;
             else
+#if SDL_ALTIVEC_BLITTERS
+            if (sf->BytesPerPixel == 4 && df->BytesPerPixel == 4 &&
+                    SDL_HasAltiVec())
+                return Blit32to32SurfaceAlphaKeyAltivec;
+            else
+#endif
                 return BlitNtoNSurfaceAlphaKey;
         }
         break;
--- a/src/video/SDL_blit_N.c	Mon Feb 21 23:45:48 2011 -0800
+++ b/src/video/SDL_blit_N.c	Tue Feb 22 21:44:36 2011 -0800
@@ -28,8 +28,840 @@
 
 /* Functions to blit from N-bit surfaces to other surfaces */
 
+#if SDL_ALTIVEC_BLITTERS
+#define assert(X)
+#ifdef __MACOSX__
+#include <sys/sysctl.h>
+static size_t
+GetL3CacheSize(void)
+{
+    const char key[] = "hw.l3cachesize";
+    u_int64_t result = 0;
+    size_t typeSize = sizeof(result);
+
+
+    int err = sysctlbyname(key, &result, &typeSize, NULL, 0);
+    if (0 != err)
+        return 0;
+
+    return result;
+}
+#else
+static size_t
+GetL3CacheSize(void)
+{
+    /* XXX: Just guess G4 */
+    return 2097152;
+}
+#endif /* __MACOSX__ */
+
+#if (defined(__MACOSX__) && (__GNUC__ < 4))
+#define VECUINT8_LITERAL(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) \
+        (vector unsigned char) ( a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p )
+#define VECUINT16_LITERAL(a,b,c,d,e,f,g,h) \
+        (vector unsigned short) ( a,b,c,d,e,f,g,h )
+#else
+#define VECUINT8_LITERAL(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) \
+        (vector unsigned char) { a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p }
+#define VECUINT16_LITERAL(a,b,c,d,e,f,g,h) \
+        (vector unsigned short) { a,b,c,d,e,f,g,h }
+#endif
+
+#define UNALIGNED_PTR(x) (((size_t) x) & 0x0000000F)
+#define VSWIZZLE32(a,b,c,d) (vector unsigned char) \
+                               ( 0x00+a, 0x00+b, 0x00+c, 0x00+d, \
+                                 0x04+a, 0x04+b, 0x04+c, 0x04+d, \
+                                 0x08+a, 0x08+b, 0x08+c, 0x08+d, \
+                                 0x0C+a, 0x0C+b, 0x0C+c, 0x0C+d )
+
+#define MAKE8888(dstfmt, r, g, b, a)  \
+    ( ((r<<dstfmt->Rshift)&dstfmt->Rmask) | \
+      ((g<<dstfmt->Gshift)&dstfmt->Gmask) | \
+      ((b<<dstfmt->Bshift)&dstfmt->Bmask) | \
+      ((a<<dstfmt->Ashift)&dstfmt->Amask) )
+
+/*
+ * Data Stream Touch...Altivec cache prefetching.
+ *
+ *  Don't use this on a G5...however, the speed boost is very significant
+ *   on a G4.
+ */
+#define DST_CHAN_SRC 1
+#define DST_CHAN_DEST 2
+
+/* macro to set DST control word value... */
+#define DST_CTRL(size, count, stride) \
+    (((size) << 24) | ((count) << 16) | (stride))
+
+#define VEC_ALIGNER(src) ((UNALIGNED_PTR(src)) \
+    ? vec_lvsl(0, src) \
+    : vec_add(vec_lvsl(8, src), vec_splat_u8(8)))
+
+/* Calculate the permute vector used for 32->32 swizzling */
+static vector unsigned char
+calc_swizzle32(const SDL_PixelFormat * srcfmt, const SDL_PixelFormat * dstfmt)
+{
+    /*
+     * We have to assume that the bits that aren't used by other
+     *  colors is alpha, and it's one complete byte, since some formats
+     *  leave alpha with a zero mask, but we should still swizzle the bits.
+     */
+    /* ARGB */
+    const static const struct SDL_PixelFormat default_pixel_format = {
+        NULL, 32, 4,
+        0, 0, 0, 0,
+        16, 8, 0, 24,
+        0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000
+    };
+    if (!srcfmt) {
+        srcfmt = &default_pixel_format;
+    }
+    if (!dstfmt) {
+        dstfmt = &default_pixel_format;
+    }
+    const vector unsigned char plus = VECUINT8_LITERAL(0x00, 0x00, 0x00, 0x00,
+                                                       0x04, 0x04, 0x04, 0x04,
+                                                       0x08, 0x08, 0x08, 0x08,
+                                                       0x0C, 0x0C, 0x0C,
+                                                       0x0C);
+    vector unsigned char vswiz;
+    vector unsigned int srcvec;
+#define RESHIFT(X) (3 - ((X) >> 3))
+    Uint32 rmask = RESHIFT(srcfmt->Rshift) << (dstfmt->Rshift);
+    Uint32 gmask = RESHIFT(srcfmt->Gshift) << (dstfmt->Gshift);
+    Uint32 bmask = RESHIFT(srcfmt->Bshift) << (dstfmt->Bshift);
+    Uint32 amask;
+    /* Use zero for alpha if either surface doesn't have alpha */
+    if (dstfmt->Amask) {
+        amask =
+            ((srcfmt->Amask) ? RESHIFT(srcfmt->
+                                       Ashift) : 0x10) << (dstfmt->Ashift);
+    } else {
+        amask =
+            0x10101010 & ((dstfmt->Rmask | dstfmt->Gmask | dstfmt->Bmask) ^
+                          0xFFFFFFFF);
+    }
+#undef RESHIFT
+    ((unsigned int *) (char *) &srcvec)[0] = (rmask | gmask | bmask | amask);
+    vswiz = vec_add(plus, (vector unsigned char) vec_splat(srcvec, 0));
+    return (vswiz);
+}
+
+static void Blit_RGB888_RGB565(SDL_BlitInfo * info);
+static void
+Blit_RGB888_RGB565Altivec(SDL_BlitInfo * info)
+{
+    int height = info->dst_h;
+    Uint8 *src = (Uint8 *) info->src;
+    int srcskip = info->src_skip;
+    Uint8 *dst = (Uint8 *) info->dst;
+    int dstskip = info->dst_skip;
+    SDL_PixelFormat *srcfmt = info->src_fmt;
+    vector unsigned char valpha = vec_splat_u8(0);
+    vector unsigned char vpermute = calc_swizzle32(srcfmt, NULL);
+    vector unsigned char vgmerge = VECUINT8_LITERAL(0x00, 0x02, 0x00, 0x06,
+                                                    0x00, 0x0a, 0x00, 0x0e,
+                                                    0x00, 0x12, 0x00, 0x16,
+                                                    0x00, 0x1a, 0x00, 0x1e);
+    vector unsigned short v1 = vec_splat_u16(1);
+    vector unsigned short v3 = vec_splat_u16(3);
+    vector unsigned short v3f =
+        VECUINT16_LITERAL(0x003f, 0x003f, 0x003f, 0x003f,
+                          0x003f, 0x003f, 0x003f, 0x003f);
+    vector unsigned short vfc =
+        VECUINT16_LITERAL(0x00fc, 0x00fc, 0x00fc, 0x00fc,
+                          0x00fc, 0x00fc, 0x00fc, 0x00fc);
+    vector unsigned short vf800 = (vector unsigned short) vec_splat_u8(-7);
+    vf800 = vec_sl(vf800, vec_splat_u16(8));
+
+    while (height--) {
+        vector unsigned char valigner;
+        vector unsigned char voverflow;
+        vector unsigned char vsrc;
+
+        int width = info->dst_w;
+        int extrawidth;
+
+        /* do scalar until we can align... */
+#define ONE_PIXEL_BLEND(condition, widthvar) \
+        while (condition) { \
+            Uint32 Pixel; \
+            unsigned sR, sG, sB, sA; \
+            DISEMBLE_RGBA((Uint8 *)src, 4, srcfmt, Pixel, \
+                          sR, sG, sB, sA); \
+            *(Uint16 *)(dst) = (((sR << 8) & 0x0000F800) | \
+                                ((sG << 3) & 0x000007E0) | \
+                                ((sB >> 3) & 0x0000001F)); \
+            dst += 2; \
+            src += 4; \
+            widthvar--; \
+        }
+
+        ONE_PIXEL_BLEND(((UNALIGNED_PTR(dst)) && (width)), width);
+
+        /* After all that work, here's the vector part! */
+        extrawidth = (width % 8);       /* trailing unaligned stores */
+        width -= extrawidth;
+        vsrc = vec_ld(0, src);
+        valigner = VEC_ALIGNER(src);
+
+        while (width) {
+            vector unsigned short vpixel, vrpixel, vgpixel, vbpixel;
+            vector unsigned int vsrc1, vsrc2;
+            vector unsigned char vdst;
+
+            voverflow = vec_ld(15, src);
+            vsrc = vec_perm(vsrc, voverflow, valigner);
+            vsrc1 = (vector unsigned int) vec_perm(vsrc, valpha, vpermute);
+            src += 16;
+            vsrc = voverflow;
+            voverflow = vec_ld(15, src);
+            vsrc = vec_perm(vsrc, voverflow, valigner);
+            vsrc2 = (vector unsigned int) vec_perm(vsrc, valpha, vpermute);
+            /* 1555 */
+            vpixel = (vector unsigned short) vec_packpx(vsrc1, vsrc2);
+            vgpixel = (vector unsigned short) vec_perm(vsrc1, vsrc2, vgmerge);
+            vgpixel = vec_and(vgpixel, vfc);
+            vgpixel = vec_sl(vgpixel, v3);
+            vrpixel = vec_sl(vpixel, v1);
+            vrpixel = vec_and(vrpixel, vf800);
+            vbpixel = vec_and(vpixel, v3f);
+            vdst =
+                vec_or((vector unsigned char) vrpixel,
+                       (vector unsigned char) vgpixel);
+            /* 565 */
+            vdst = vec_or(vdst, (vector unsigned char) vbpixel);
+            vec_st(vdst, 0, dst);
+
+            width -= 8;
+            src += 16;
+            dst += 16;
+            vsrc = voverflow;
+        }
+
+        assert(width == 0);
+
+        /* do scalar until we can align... */
+        ONE_PIXEL_BLEND((extrawidth), extrawidth);
+#undef ONE_PIXEL_BLEND
+
+        src += srcskip;         /* move to next row, accounting for pitch. */
+        dst += dstskip;
+    }
+
+
+}
+
+static void
+Blit_RGB565_32Altivec(SDL_BlitInfo * info)
+{
+    int height = info->dst_h;
+    Uint8 *src = (Uint8 *) info->src;
+    int srcskip = info->src_skip;
+    Uint8 *dst = (Uint8 *) info->dst;
+    int dstskip = info->dst_skip;
+    SDL_PixelFormat *srcfmt = info->src_fmt;
+    SDL_PixelFormat *dstfmt = info->dst_fmt;
+    unsigned alpha;
+    vector unsigned char valpha;
+    vector unsigned char vpermute;
+    vector unsigned short vf800;
+    vector unsigned int v8 = vec_splat_u32(8);
+    vector unsigned int v16 = vec_add(v8, v8);
+    vector unsigned short v2 = vec_splat_u16(2);
+    vector unsigned short v3 = vec_splat_u16(3);
+    /* 
+       0x10 - 0x1f is the alpha
+       0x00 - 0x0e evens are the red
+       0x01 - 0x0f odds are zero
+     */
+    vector unsigned char vredalpha1 = VECUINT8_LITERAL(0x10, 0x00, 0x01, 0x01,
+                                                       0x10, 0x02, 0x01, 0x01,
+                                                       0x10, 0x04, 0x01, 0x01,
+                                                       0x10, 0x06, 0x01,
+                                                       0x01);
+    vector unsigned char vredalpha2 =
+        (vector unsigned
+         char) (vec_add((vector unsigned int) vredalpha1, vec_sl(v8, v16))
+        );
+    /*
+       0x00 - 0x0f is ARxx ARxx ARxx ARxx
+       0x11 - 0x0f odds are blue
+     */
+    vector unsigned char vblue1 = VECUINT8_LITERAL(0x00, 0x01, 0x02, 0x11,
+                                                   0x04, 0x05, 0x06, 0x13,
+                                                   0x08, 0x09, 0x0a, 0x15,
+                                                   0x0c, 0x0d, 0x0e, 0x17);
+    vector unsigned char vblue2 =
+        (vector unsigned char) (vec_add((vector unsigned int) vblue1, v8)
+        );
+    /*
+       0x00 - 0x0f is ARxB ARxB ARxB ARxB
+       0x10 - 0x0e evens are green
+     */
+    vector unsigned char vgreen1 = VECUINT8_LITERAL(0x00, 0x01, 0x10, 0x03,
+                                                    0x04, 0x05, 0x12, 0x07,
+                                                    0x08, 0x09, 0x14, 0x0b,
+                                                    0x0c, 0x0d, 0x16, 0x0f);
+    vector unsigned char vgreen2 =
+        (vector unsigned
+         char) (vec_add((vector unsigned int) vgreen1, vec_sl(v8, v8))
+        );
+
+
+    assert(srcfmt->BytesPerPixel == 2);
+    assert(dstfmt->BytesPerPixel == 4);
+
+    vf800 = (vector unsigned short) vec_splat_u8(-7);
+    vf800 = vec_sl(vf800, vec_splat_u16(8));
+
+    if (dstfmt->Amask && info->a) {
+        ((unsigned char *) &valpha)[0] = alpha = info->a;
+        valpha = vec_splat(valpha, 0);
+    } else {
+        alpha = 0;
+        valpha = vec_splat_u8(0);
+    }
+
+    vpermute = calc_swizzle32(NULL, dstfmt);
+    while (height--) {
+        vector unsigned char valigner;
+        vector unsigned char voverflow;
+        vector unsigned char vsrc;
+
+        int width = info->dst_w;
+        int extrawidth;
+
+        /* do scalar until we can align... */
+#define ONE_PIXEL_BLEND(condition, widthvar) \
+        while (condition) { \
+            unsigned sR, sG, sB; \
+            unsigned short Pixel = *((unsigned short *)src); \
+            sR = (Pixel >> 8) & 0xf8; \
+            sG = (Pixel >> 3) & 0xfc; \
+            sB = (Pixel << 3) & 0xf8; \
+            ASSEMBLE_RGBA(dst, 4, dstfmt, sR, sG, sB, alpha); \
+            src += 2; \
+            dst += 4; \
+            widthvar--; \
+        }
+        ONE_PIXEL_BLEND(((UNALIGNED_PTR(dst)) && (width)), width);
+
+        /* After all that work, here's the vector part! */
+        extrawidth = (width % 8);       /* trailing unaligned stores */
+        width -= extrawidth;
+        vsrc = vec_ld(0, src);
+        valigner = VEC_ALIGNER(src);
+
+        while (width) {
+            vector unsigned short vR, vG, vB;
+            vector unsigned char vdst1, vdst2;
+
+            voverflow = vec_ld(15, src);
+            vsrc = vec_perm(vsrc, voverflow, valigner);
+
+            vR = vec_and((vector unsigned short) vsrc, vf800);
+            vB = vec_sl((vector unsigned short) vsrc, v3);
+            vG = vec_sl(vB, v2);
+
+            vdst1 =
+                (vector unsigned char) vec_perm((vector unsigned char) vR,
+                                                valpha, vredalpha1);
+            vdst1 = vec_perm(vdst1, (vector unsigned char) vB, vblue1);
+            vdst1 = vec_perm(vdst1, (vector unsigned char) vG, vgreen1);
+            vdst1 = vec_perm(vdst1, valpha, vpermute);
+            vec_st(vdst1, 0, dst);
+
+            vdst2 =
+                (vector unsigned char) vec_perm((vector unsigned char) vR,
+                                                valpha, vredalpha2);
+            vdst2 = vec_perm(vdst2, (vector unsigned char) vB, vblue2);
+            vdst2 = vec_perm(vdst2, (vector unsigned char) vG, vgreen2);
+            vdst2 = vec_perm(vdst2, valpha, vpermute);
+            vec_st(vdst2, 16, dst);
+
+            width -= 8;
+            dst += 32;
+            src += 16;
+            vsrc = voverflow;
+        }
+
+        assert(width == 0);
+
+
+        /* do scalar until we can align... */
+        ONE_PIXEL_BLEND((extrawidth), extrawidth);
+#undef ONE_PIXEL_BLEND
+
+        src += srcskip;         /* move to next row, accounting for pitch. */
+        dst += dstskip;
+    }
+
+}
+
+
+static void
+Blit_RGB555_32Altivec(SDL_BlitInfo * info)
+{
+    int height = info->dst_h;
+    Uint8 *src = (Uint8 *) info->src;
+    int srcskip = info->src_skip;
+    Uint8 *dst = (Uint8 *) info->dst;
+    int dstskip = info->dst_skip;
+    SDL_PixelFormat *srcfmt = info->src_fmt;
+    SDL_PixelFormat *dstfmt = info->dst_fmt;
+    unsigned alpha;
+    vector unsigned char valpha;
+    vector unsigned char vpermute;
+    vector unsigned short vf800;
+    vector unsigned int v8 = vec_splat_u32(8);
+    vector unsigned int v16 = vec_add(v8, v8);
+    vector unsigned short v1 = vec_splat_u16(1);
+    vector unsigned short v3 = vec_splat_u16(3);
+    /* 
+       0x10 - 0x1f is the alpha
+       0x00 - 0x0e evens are the red
+       0x01 - 0x0f odds are zero
+     */
+    vector unsigned char vredalpha1 = VECUINT8_LITERAL(0x10, 0x00, 0x01, 0x01,
+                                                       0x10, 0x02, 0x01, 0x01,
+                                                       0x10, 0x04, 0x01, 0x01,
+                                                       0x10, 0x06, 0x01,
+                                                       0x01);
+    vector unsigned char vredalpha2 =
+        (vector unsigned
+         char) (vec_add((vector unsigned int) vredalpha1, vec_sl(v8, v16))
+        );
+    /*
+       0x00 - 0x0f is ARxx ARxx ARxx ARxx
+       0x11 - 0x0f odds are blue
+     */
+    vector unsigned char vblue1 = VECUINT8_LITERAL(0x00, 0x01, 0x02, 0x11,
+                                                   0x04, 0x05, 0x06, 0x13,
+                                                   0x08, 0x09, 0x0a, 0x15,
+                                                   0x0c, 0x0d, 0x0e, 0x17);
+    vector unsigned char vblue2 =
+        (vector unsigned char) (vec_add((vector unsigned int) vblue1, v8)
+        );
+    /*
+       0x00 - 0x0f is ARxB ARxB ARxB ARxB
+       0x10 - 0x0e evens are green
+     */
+    vector unsigned char vgreen1 = VECUINT8_LITERAL(0x00, 0x01, 0x10, 0x03,
+                                                    0x04, 0x05, 0x12, 0x07,
+                                                    0x08, 0x09, 0x14, 0x0b,
+                                                    0x0c, 0x0d, 0x16, 0x0f);
+    vector unsigned char vgreen2 =
+        (vector unsigned
+         char) (vec_add((vector unsigned int) vgreen1, vec_sl(v8, v8))
+        );
+
+
+    assert(srcfmt->BytesPerPixel == 2);
+    assert(dstfmt->BytesPerPixel == 4);
+
+    vf800 = (vector unsigned short) vec_splat_u8(-7);
+    vf800 = vec_sl(vf800, vec_splat_u16(8));
+
+    if (dstfmt->Amask && info->a) {
+        ((unsigned char *) &valpha)[0] = alpha = info->a;
+        valpha = vec_splat(valpha, 0);
+    } else {
+        alpha = 0;
+        valpha = vec_splat_u8(0);
+    }
+
+    vpermute = calc_swizzle32(NULL, dstfmt);
+    while (height--) {
+        vector unsigned char valigner;
+        vector unsigned char voverflow;
+        vector unsigned char vsrc;
+
+        int width = info->dst_w;
+        int extrawidth;
+
+        /* do scalar until we can align... */
+#define ONE_PIXEL_BLEND(condition, widthvar) \
+        while (condition) { \
+            unsigned sR, sG, sB; \
+            unsigned short Pixel = *((unsigned short *)src); \
+            sR = (Pixel >> 7) & 0xf8; \
+            sG = (Pixel >> 2) & 0xf8; \
+            sB = (Pixel << 3) & 0xf8; \
+            ASSEMBLE_RGBA(dst, 4, dstfmt, sR, sG, sB, alpha); \
+            src += 2; \
+            dst += 4; \
+            widthvar--; \
+        }
+        ONE_PIXEL_BLEND(((UNALIGNED_PTR(dst)) && (width)), width);
+
+        /* After all that work, here's the vector part! */
+        extrawidth = (width % 8);       /* trailing unaligned stores */
+        width -= extrawidth;
+        vsrc = vec_ld(0, src);
+        valigner = VEC_ALIGNER(src);
+
+        while (width) {
+            vector unsigned short vR, vG, vB;
+            vector unsigned char vdst1, vdst2;
+
+            voverflow = vec_ld(15, src);
+            vsrc = vec_perm(vsrc, voverflow, valigner);
+
+            vR = vec_and(vec_sl((vector unsigned short) vsrc, v1), vf800);
+            vB = vec_sl((vector unsigned short) vsrc, v3);
+            vG = vec_sl(vB, v3);
+
+            vdst1 =
+                (vector unsigned char) vec_perm((vector unsigned char) vR,
+                                                valpha, vredalpha1);
+            vdst1 = vec_perm(vdst1, (vector unsigned char) vB, vblue1);
+            vdst1 = vec_perm(vdst1, (vector unsigned char) vG, vgreen1);
+            vdst1 = vec_perm(vdst1, valpha, vpermute);
+            vec_st(vdst1, 0, dst);
+
+            vdst2 =
+                (vector unsigned char) vec_perm((vector unsigned char) vR,
+                                                valpha, vredalpha2);
+            vdst2 = vec_perm(vdst2, (vector unsigned char) vB, vblue2);
+            vdst2 = vec_perm(vdst2, (vector unsigned char) vG, vgreen2);
+            vdst2 = vec_perm(vdst2, valpha, vpermute);
+            vec_st(vdst2, 16, dst);
+
+            width -= 8;
+            dst += 32;
+            src += 16;
+            vsrc = voverflow;
+        }
+
+        assert(width == 0);
+
+
+        /* do scalar until we can align... */
+        ONE_PIXEL_BLEND((extrawidth), extrawidth);
+#undef ONE_PIXEL_BLEND
+
+        src += srcskip;         /* move to next row, accounting for pitch. */
+        dst += dstskip;
+    }
+
+}
+
+static void BlitNtoNKey(SDL_BlitInfo * info);
+static void BlitNtoNKeyCopyAlpha(SDL_BlitInfo * info);
+static void
+Blit32to32KeyAltivec(SDL_BlitInfo * info)
+{
+    int height = info->dst_h;
+    Uint32 *srcp = (Uint32 *) info->src;
+    int srcskip = info->src_skip / 4;
+    Uint32 *dstp = (Uint32 *) info->dst;
+    int dstskip = info->dst_skip / 4;
+    SDL_PixelFormat *srcfmt = info->src_fmt;
+    int srcbpp = srcfmt->BytesPerPixel;
+    SDL_PixelFormat *dstfmt = info->dst_fmt;
+    int dstbpp = dstfmt->BytesPerPixel;
+    int copy_alpha = (srcfmt->Amask && dstfmt->Amask);
+    unsigned alpha = dstfmt->Amask ? info->a : 0;
+    Uint32 rgbmask = srcfmt->Rmask | srcfmt->Gmask | srcfmt->Bmask;
+    Uint32 ckey = info->colorkey;
+    vector unsigned int valpha;
+    vector unsigned char vpermute;
+    vector unsigned char vzero;
+    vector unsigned int vckey;
+    vector unsigned int vrgbmask;
+    vpermute = calc_swizzle32(srcfmt, dstfmt);
+    if (info->dst_w < 16) {
+        if (copy_alpha) {
+            BlitNtoNKeyCopyAlpha(info);
+        } else {
+            BlitNtoNKey(info);
+        }
+        return;
+    }
+    vzero = vec_splat_u8(0);
+    if (alpha) {
+        ((unsigned char *) &valpha)[0] = (unsigned char) alpha;
+        valpha =
+            (vector unsigned int) vec_splat((vector unsigned char) valpha, 0);
+    } else {
+        valpha = (vector unsigned int) vzero;
+    }
+    ckey &= rgbmask;
+    ((unsigned int *) (char *) &vckey)[0] = ckey;
+    vckey = vec_splat(vckey, 0);
+    ((unsigned int *) (char *) &vrgbmask)[0] = rgbmask;
+    vrgbmask = vec_splat(vrgbmask, 0);
+
+    while (height--) {
+#define ONE_PIXEL_BLEND(condition, widthvar) \
+        if (copy_alpha) { \
+            while (condition) { \
+                Uint32 Pixel; \
+                unsigned sR, sG, sB, sA; \
+                DISEMBLE_RGBA((Uint8 *)srcp, srcbpp, srcfmt, Pixel, \
+                          sR, sG, sB, sA); \
+                if ( (Pixel & rgbmask) != ckey ) { \
+                      ASSEMBLE_RGBA((Uint8 *)dstp, dstbpp, dstfmt, \
+                            sR, sG, sB, sA); \
+                } \
+                dstp = (Uint32 *) (((Uint8 *) dstp) + dstbpp); \
+                srcp = (Uint32 *) (((Uint8 *) srcp) + srcbpp); \
+                widthvar--; \
+            } \
+        } else { \
+            while (condition) { \
+                Uint32 Pixel; \
+                unsigned sR, sG, sB; \
+                RETRIEVE_RGB_PIXEL((Uint8 *)srcp, srcbpp, Pixel); \
+                if ( Pixel != ckey ) { \
+                    RGB_FROM_PIXEL(Pixel, srcfmt, sR, sG, sB); \
+                    ASSEMBLE_RGBA((Uint8 *)dstp, dstbpp, dstfmt, \
+                              sR, sG, sB, alpha); \
+                } \
+                dstp = (Uint32 *) (((Uint8 *)dstp) + dstbpp); \
+                srcp = (Uint32 *) (((Uint8 *)srcp) + srcbpp); \
+                widthvar--; \
+            } \
+        }
+        int width = info->dst_w;
+        ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width);
+        assert(width > 0);
+        if (width > 0) {
+            int extrawidth = (width % 4);
+            vector unsigned char valigner = VEC_ALIGNER(srcp);
+            vector unsigned int vs = vec_ld(0, srcp);
+            width -= extrawidth;
+            assert(width >= 4);
+            while (width) {
+                vector unsigned char vsel;
+                vector unsigned int vd;
+                vector unsigned int voverflow = vec_ld(15, srcp);
+                /* load the source vec */
+                vs = vec_perm(vs, voverflow, valigner);
+                /* vsel is set for items that match the key */
+                vsel = (vector unsigned char) vec_and(vs, vrgbmask);
+                vsel = (vector unsigned char) vec_cmpeq(vs, vckey);
+                /* permute the src vec to the dest format */
+                vs = vec_perm(vs, valpha, vpermute);
+                /* load the destination vec */
+                vd = vec_ld(0, dstp);
+                /* select the source and dest into vs */
+                vd = (vector unsigned int) vec_sel((vector unsigned char) vs,
+                                                   (vector unsigned char) vd,
+                                                   vsel);
+
+                vec_st(vd, 0, dstp);
+                srcp += 4;
+                width -= 4;
+                dstp += 4;
+                vs = voverflow;
+            }
+            ONE_PIXEL_BLEND((extrawidth), extrawidth);
+#undef ONE_PIXEL_BLEND
+            srcp += srcskip;
+            dstp += dstskip;
+        }
+    }
+}
+
+/* Altivec code to swizzle one 32-bit surface to a different 32-bit format. */
+/* Use this on a G5 */
+static void
+ConvertAltivec32to32_noprefetch(SDL_BlitInfo * info)
+{
+    int height = info->dst_h;
+    Uint32 *src = (Uint32 *) info->src;
+    int srcskip = info->src_skip / 4;
+    Uint32 *dst = (Uint32 *) info->dst;
+    int dstskip = info->dst_skip / 4;
+    SDL_PixelFormat *srcfmt = info->src_fmt;
+    SDL_PixelFormat *dstfmt = info->dst_fmt;
+    vector unsigned int vzero = vec_splat_u32(0);
+    vector unsigned char vpermute = calc_swizzle32(srcfmt, dstfmt);
+    if (dstfmt->Amask && !srcfmt->Amask) {
+        if (info->a) {
+            vector unsigned char valpha;
+            ((unsigned char *) &valpha)[0] = info->a;
+            vzero = (vector unsigned int) vec_splat(valpha, 0);
+        }
+    }
+
+    assert(srcfmt->BytesPerPixel == 4);
+    assert(dstfmt->BytesPerPixel == 4);
+
+    while (height--) {
+        vector unsigned char valigner;
+        vector unsigned int vbits;
+        vector unsigned int voverflow;
+        Uint32 bits;
+        Uint8 r, g, b, a;
+
+        int width = info->dst_w;
+        int extrawidth;
+
+        /* do scalar until we can align... */
+        while ((UNALIGNED_PTR(dst)) && (width)) {
+            bits = *(src++);
+            RGBA_FROM_8888(bits, srcfmt, r, g, b, a);
+            *(dst++) = MAKE8888(dstfmt, r, g, b, a);
+            width--;
+        }
+
+        /* After all that work, here's the vector part! */
+        extrawidth = (width % 4);
+        width -= extrawidth;
+        valigner = VEC_ALIGNER(src);
+        vbits = vec_ld(0, src);
+
+        while (width) {
+            voverflow = vec_ld(15, src);
+            src += 4;
+            width -= 4;
+            vbits = vec_perm(vbits, voverflow, valigner);       /* src is ready. */
+            vbits = vec_perm(vbits, vzero, vpermute);   /* swizzle it. */
+            vec_st(vbits, 0, dst);      /* store it back out. */
+            dst += 4;
+            vbits = voverflow;
+        }
+
+        assert(width == 0);
+
+        /* cover pixels at the end of the row that didn't fit in 16 bytes. */
+        while (extrawidth) {
+            bits = *(src++);    /* max 7 pixels, don't bother with prefetch. */
+            RGBA_FROM_8888(bits, srcfmt, r, g, b, a);
+            *(dst++) = MAKE8888(dstfmt, r, g, b, a);
+            extrawidth--;
+        }
+
+        src += srcskip;
+        dst += dstskip;
+    }
+
+}
+
+/* Altivec code to swizzle one 32-bit surface to a different 32-bit format. */
+/* Use this on a G4 */
+static void
+ConvertAltivec32to32_prefetch(SDL_BlitInfo * info)
+{
+    const int scalar_dst_lead = sizeof(Uint32) * 4;
+    const int vector_dst_lead = sizeof(Uint32) * 16;
+
+    int height = info->dst_h;
+    Uint32 *src = (Uint32 *) info->src;
+    int srcskip = info->src_skip / 4;
+    Uint32 *dst = (Uint32 *) info->dst;
+    int dstskip = info->dst_skip / 4;
+    SDL_PixelFormat *srcfmt = info->src_fmt;
+    SDL_PixelFormat *dstfmt = info->dst_fmt;
+    vector unsigned int vzero = vec_splat_u32(0);
+    vector unsigned char vpermute = calc_swizzle32(srcfmt, dstfmt);
+    if (dstfmt->Amask && !srcfmt->Amask) {
+        if (info->a) {
+            vector unsigned char valpha;
+            ((unsigned char *) &valpha)[0] = info->a;
+            vzero = (vector unsigned int) vec_splat(valpha, 0);
+        }
+    }
+
+    assert(srcfmt->BytesPerPixel == 4);
+    assert(dstfmt->BytesPerPixel == 4);
+
+    while (height--) {
+        vector unsigned char valigner;
+        vector unsigned int vbits;
+        vector unsigned int voverflow;
+        Uint32 bits;
+        Uint8 r, g, b, a;
+
+        int width = info->dst_w;
+        int extrawidth;
+
+        /* do scalar until we can align... */
+        while ((UNALIGNED_PTR(dst)) && (width)) {
+            vec_dstt(src + scalar_dst_lead, DST_CTRL(2, 32, 1024),
+                     DST_CHAN_SRC);
+            vec_dstst(dst + scalar_dst_lead, DST_CTRL(2, 32, 1024),
+                      DST_CHAN_DEST);
+            bits = *(src++);
+            RGBA_FROM_8888(bits, srcfmt, r, g, b, a);
+            *(dst++) = MAKE8888(dstfmt, r, g, b, a);
+            width--;
+        }
+
+        /* After all that work, here's the vector part! */
+        extrawidth = (width % 4);
+        width -= extrawidth;
+        valigner = VEC_ALIGNER(src);
+        vbits = vec_ld(0, src);
+
+        while (width) {
+            vec_dstt(src + vector_dst_lead, DST_CTRL(2, 32, 1024),
+                     DST_CHAN_SRC);
+            vec_dstst(dst + vector_dst_lead, DST_CTRL(2, 32, 1024),
+                      DST_CHAN_DEST);
+            voverflow = vec_ld(15, src);
+            src += 4;
+            width -= 4;
+            vbits = vec_perm(vbits, voverflow, valigner);       /* src is ready. */
+            vbits = vec_perm(vbits, vzero, vpermute);   /* swizzle it. */
+            vec_st(vbits, 0, dst);      /* store it back out. */
+            dst += 4;
+            vbits = voverflow;
+        }
+
+        assert(width == 0);
+
+        /* cover pixels at the end of the row that didn't fit in 16 bytes. */
+        while (extrawidth) {
+            bits = *(src++);    /* max 7 pixels, don't bother with prefetch. */
+            RGBA_FROM_8888(bits, srcfmt, r, g, b, a);
+            *(dst++) = MAKE8888(dstfmt, r, g, b, a);
+            extrawidth--;
+        }
+
+        src += srcskip;
+        dst += dstskip;
+    }
+
+    vec_dss(DST_CHAN_SRC);
+    vec_dss(DST_CHAN_DEST);
+}
+
+static Uint32
+GetBlitFeatures(void)
+{
+    static Uint32 features = 0xffffffff;
+    if (features == 0xffffffff) {
+        /* Provide an override for testing .. */
+        char *override = SDL_getenv("SDL_ALTIVEC_BLIT_FEATURES");
+        if (override) {
+            features = 0;
+            SDL_sscanf(override, "%u", &features);
+        } else {
+            features = (0
+                        /* Feature 1 is has-MMX */
+                        | ((SDL_HasMMX())? 1 : 0)
+                        /* Feature 2 is has-AltiVec */
+                        | ((SDL_HasAltiVec())? 2 : 0)
+                        /* Feature 4 is dont-use-prefetch */
+                        /* !!!! FIXME: Check for G5 or later, not the cache size! Always prefetch on a G4. */
+                        | ((GetL3CacheSize() == 0) ? 4 : 0)
+                );
+        }
+    }
+    return features;
+}
+
+#if __MWERKS__
+#pragma altivec_model off
+#endif
+#else
 /* Feature 1 is has-MMX */
 #define GetBlitFeatures() ((Uint32)(SDL_HasMMX() ? 1 : 0))
+#endif
 
 /* This is now endian dependent */
 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
@@ -1508,6 +2340,15 @@
 };
 
 static const struct blit_table normal_blit_2[] = {
+#if SDL_ALTIVEC_BLITTERS
+    /* has-altivec */
+    {0x0000F800, 0x000007E0, 0x0000001F, 4, 0x00000000, 0x00000000,
+     0x00000000,
+     2, Blit_RGB565_32Altivec, NO_ALPHA | COPY_ALPHA | SET_ALPHA},
+    {0x00007C00, 0x000003E0, 0x0000001F, 4, 0x00000000, 0x00000000,
+     0x00000000,
+     2, Blit_RGB555_32Altivec, NO_ALPHA | COPY_ALPHA | SET_ALPHA},
+#endif
     {0x0000F800, 0x000007E0, 0x0000001F, 4, 0x00FF0000, 0x0000FF00,
      0x000000FF,
      0, Blit_RGB565_ARGB8888, SET_ALPHA},
@@ -1531,6 +2372,22 @@
 };
 
 static const struct blit_table normal_blit_4[] = {
+#if SDL_ALTIVEC_BLITTERS
+    /* has-altivec | dont-use-prefetch */
+    {0x00000000, 0x00000000, 0x00000000, 4, 0x00000000, 0x00000000,
+     0x00000000,
+     6, ConvertAltivec32to32_noprefetch,
+     NO_ALPHA | COPY_ALPHA | SET_ALPHA},
+    /* has-altivec */
+    {0x00000000, 0x00000000, 0x00000000, 4, 0x00000000, 0x00000000,
+     0x00000000,
+     2, ConvertAltivec32to32_prefetch,
+     NO_ALPHA | COPY_ALPHA | SET_ALPHA},
+    /* has-altivec */
+    {0x00000000, 0x00000000, 0x00000000, 2, 0x0000F800, 0x000007E0,
+     0x0000001F,
+     2, Blit_RGB888_RGB565Altivec, NO_ALPHA},
+#endif
     {0x00FF0000, 0x0000FF00, 0x000000FF, 2, 0x0000F800, 0x000007E0,
      0x0000001F,
      0, Blit_RGB888_RGB565, NO_ALPHA},
@@ -1628,6 +2485,12 @@
         else if (dstfmt->BytesPerPixel == 1)
             return BlitNto1Key;
         else {
+#if SDL_ALTIVEC_BLITTERS
+            if ((srcfmt->BytesPerPixel == 4) && (dstfmt->BytesPerPixel == 4)
+                && SDL_HasAltiVec()) {
+                return Blit32to32KeyAltivec;
+            } else
+#endif
             if (srcfmt->Amask && dstfmt->Amask) {
                 return BlitNtoNKeyCopyAlpha;
             } else {
--- a/test/automated/platform/platform.c	Mon Feb 21 23:45:48 2011 -0800
+++ b/test/automated/platform/platform.c	Tue Feb 22 21:44:36 2011 -0800
@@ -158,7 +158,9 @@
    SDL_ATprintVerbose( 1, "CPU count: %d\n", SDL_GetCPUCount());
    SDL_ATprintVerbose( 1, "Available extensions:\n" );
    SDL_ATprintVerbose( 1, "   RDTSC %s\n", SDL_HasRDTSC()? "detected" : "not detected" );
+   SDL_ATprintVerbose( 1, "   AltiVec %s\n", SDL_HasAltiVec()? "detected" : "not detected" );
    SDL_ATprintVerbose( 1, "   MMX %s\n", SDL_HasMMX()? "detected" : "not detected" );
+   SDL_ATprintVerbose( 1, "   3DNow! %s\n", SDL_Has3DNow()? "detected" : "not detected" );
    SDL_ATprintVerbose( 1, "   SSE %s\n", SDL_HasSSE()? "detected" : "not detected" );
    SDL_ATprintVerbose( 1, "   SSE2 %s\n", SDL_HasSSE2()? "detected" : "not detected" );
    SDL_ATprintVerbose( 1, "   SSE3 %s\n", SDL_HasSSE3()? "detected" : "not detected" );
--- a/test/testplatform.c	Mon Feb 21 23:45:48 2011 -0800
+++ b/test/testplatform.c	Tue Feb 22 21:44:36 2011 -0800
@@ -140,9 +140,11 @@
 {
     if (verbose) {
         printf("CPU count: %d\n", SDL_GetCPUCount());
-	printf("CPU cache line size: %d\n", SDL_GetCPUCacheLineSize());
+        printf("CPU cache line size: %d\n", SDL_GetCPUCacheLineSize());
         printf("RDTSC %s\n", SDL_HasRDTSC()? "detected" : "not detected");
+        printf("AltiVec %s\n", SDL_HasAltiVec()? "detected" : "not detected");
         printf("MMX %s\n", SDL_HasMMX()? "detected" : "not detected");
+        printf("3DNow! %s\n", SDL_Has3DNow()? "detected" : "not detected");
         printf("SSE %s\n", SDL_HasSSE()? "detected" : "not detected");
         printf("SSE2 %s\n", SDL_HasSSE2()? "detected" : "not detected");
         printf("SSE3 %s\n", SDL_HasSSE3()? "detected" : "not detected");