diff --git a/.cvsignore b/.cvsignore
index b57deec..5f7da38 100644
--- a/.cvsignore
+++ b/.cvsignore
@@ -1,3 +1,5 @@
 atlas3.8.3.tar.bz2
 PPRO32.tgz
 K7323DNow.tgz
+USII32.tgz
+USII64.tgz
diff --git a/atlas-sparc-linux.patch b/atlas-sparc-linux.patch
new file mode 100644
index 0000000..d865a0f
--- /dev/null
+++ b/atlas-sparc-linux.patch
@@ -0,0 +1,95 @@
+diff -uNr ATLAS.orig/CONFIG/src/backend/archinfo_linux.c ATLAS/CONFIG/src/backend/archinfo_linux.c
+--- ATLAS.orig/CONFIG/src/backend/archinfo_linux.c	2010-02-01 23:28:58.000000000 +0000
++++ ATLAS/CONFIG/src/backend/archinfo_linux.c	2010-02-02 22:38:31.000000000 +0000
+@@ -145,14 +145,12 @@
+  *    Add these back if we get machine access and can test
+  */
+    case AFSPARC:  /* don't know here anymore */
+-      #if 0
+       if ( !CmndOneLine(NULL, "fgrep cpu /proc/cpuinfo", res) )
+       {
+-         if (strstr(res, "UltraSparc II")) mach = SunUS2;
+-         else if (strstr(res, "UltraSparc I")) mach = SunUS1;
+-         else if (strstr(res, "UltraSparc")) mach = SunUSX;
++         if (strstr(res, "UltraSparc II")) mach = SunUSII;
++         else if (strstr(res, "UltraSparc I")) mach = SunUSI;
++         else if (strstr(res, "UltraSparc")) mach = SunUSII;
+       }
+-      #endif
+       break;
+    case AFALPHA:
+       #if 0
+@@ -196,6 +194,11 @@
+       reslns = CmndResults(NULL, "grep '^processor' /proc/cpuinfo");
+       if (reslns) ncpu = fNumLines(reslns);
+    }
++   if (__sparc__) 
++   {
++      reslns = CmndResults(NULL, "grep '^CPU.*online' /proc/cpuinfo"); 
++      if (reslns) ncpu = fNumLines(reslns);
++   }
+    return(ncpu);
+ }
+ 
+diff -uNr ATLAS.orig/tune/blas/gemm/CASES/ATL_dmm4x4x2_US.c ATLAS/tune/blas/gemm/CASES/ATL_dmm4x4x2_US.c
+--- ATLAS.orig/tune/blas/gemm/CASES/ATL_dmm4x4x2_US.c	2010-02-01 23:29:23.000000000 +0000
++++ ATLAS/tune/blas/gemm/CASES/ATL_dmm4x4x2_US.c	2010-02-01 23:30:07.000000000 +0000
+@@ -95,6 +95,11 @@
+ #define incBm   %g3
+ #define incBn   %g4
+ 
++#if defined(__sparc__) && defined(__arch64__)
++        .register               %g2, #scratch
++        .register               %g3, #scratch
++#endif
++
+ #ifdef DCPLX
+    #define incCm 64
+    #define CSH 4
+diff -uNr ATLAS.orig/tune/blas/gemm/CASES/ATL_dmm4x4x8_US.c ATLAS/tune/blas/gemm/CASES/ATL_dmm4x4x8_US.c
+--- ATLAS.orig/tune/blas/gemm/CASES/ATL_dmm4x4x8_US.c	2010-02-01 23:29:24.000000000 +0000
++++ ATLAS/tune/blas/gemm/CASES/ATL_dmm4x4x8_US.c	2010-02-01 23:30:08.000000000 +0000
+@@ -135,6 +135,11 @@
+    #define pfB	%i2  /* aliased with ldab */
+ #endif
+ 
++#if defined(__sparc__) && defined(__arch64__) 
++        .register               %g2, #scratch
++        .register               %g3, #scratch
++#endif
++
+ #ifdef DCPLX
+    #define CMUL(arg_) ((arg_)*2)
+    #define incCm 64
+diff -uNr ATLAS.orig/tune/blas/gemm/CASES/ATL_smm4x4x2_US.c ATLAS/tune/blas/gemm/CASES/ATL_smm4x4x2_US.c
+--- ATLAS.orig/tune/blas/gemm/CASES/ATL_smm4x4x2_US.c	2010-02-01 23:29:25.000000000 +0000
++++ ATLAS/tune/blas/gemm/CASES/ATL_smm4x4x2_US.c	2010-02-01 23:30:09.000000000 +0000
+@@ -93,6 +93,12 @@
+ #define rC23	%f30
+ #define rC33	%f31
+ #define FSIZE	64
++
++#if defined(__sparc__) && defined(__arch64__)
++        .register               %g2, #scratch
++        .register               %g3, #scratch
++#endif
++
+ #ifdef SCPLX
+    #define CSH 3
+    #define CMUL(arg_) ((arg_)*2)
+diff -uNr ATLAS.orig/tune/blas/gemm/CASES/ATL_smm4x4x72_US.c ATLAS/tune/blas/gemm/CASES/ATL_smm4x4x72_US.c
+--- ATLAS.orig/tune/blas/gemm/CASES/ATL_smm4x4x72_US.c	2010-02-01 23:29:25.000000000 +0000
++++ ATLAS/tune/blas/gemm/CASES/ATL_smm4x4x72_US.c	2010-02-01 23:30:09.000000000 +0000
+@@ -108,6 +108,12 @@
+ #define rC23	%f30
+ #define rC33	%f31
+ #define FSIZE	64
++
++#if defined(__sparc__) && defined(__arch64__)
++        .register               %g2, #scratch
++        .register               %g3, #scratch
++#endif
++
+ #ifdef SCPLX
+    #define CSH 3
+    #define CMUL(arg_) ((arg_)*2)
diff --git a/atlas.spec b/atlas.spec
index 08e6775..8504f95 100644
--- a/atlas.spec
+++ b/atlas.spec
@@ -2,7 +2,7 @@
 
 Name:           atlas
 Version:        3.8.3
-Release:        12%{?dist}
+Release:        13%{?dist}
 Summary:        Automatically Tuned Linear Algebra Software
 
 Group:          System Environment/Libraries
@@ -12,7 +12,10 @@ Source0:        http://downloads.sourceforge.net/math-atlas/%{name}%{version}.ta
 Source1:        PPRO32.tgz
 Source2:        K7323DNow.tgz
 Source3:        README.Fedora
+Source4:        USII64.tgz
+Source5:        USII32.tgz
 Patch0:		atlas-fedora_shared.patch
+Patch1:         atlas-sparc-linux.patch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
 BuildRequires:  gcc-gfortran lapack-devel
@@ -150,9 +153,12 @@ optimizations for the sse3 extensions to the ix86 architecture.
 %prep
 %setup -q -n ATLAS
 %patch0 -p0 -b .shared
+%patch1 -p1 -b .sparc
 cp %{SOURCE1} CONFIG/ARCHS/
 cp %{SOURCE2} CONFIG/ARCHS/
 cp %{SOURCE3} doc
+cp %{SOURCE4} CONFIG/ARCHS/
+cp %{SOURCE5} CONFIG/ARCHS/
 
 %build
 for type in %{types}; do
@@ -394,6 +400,9 @@ fi
 %endif
 
 %changelog
+* Tue Feb 02 2010 Dennis Gilmore <dennis@ausil.us> - 3.8.3-13
+- fix sparc to build 
+
 * Sat Oct 24 2009 Deji Akingunola <dakingun@gmail.com> - 3.8.3-12
 - Use alternatives to workaround multilib conflicts (BZ#508565). 
 
diff --git a/sources b/sources
index b719f7e..95752ad 100644
--- a/sources
+++ b/sources
@@ -1,3 +1,5 @@
 6c13be94a87178e7582111c08e9503bc  atlas3.8.3.tar.bz2
 676548252837b1e458181111443f340f  PPRO32.tgz
 3f174cdcb4c964843f27dbfc4ad4b1c8  K7323DNow.tgz
+ebb4732aff468bbc223e7f734252173b  USII32.tgz
+31f8ae7583d290e5414a1a61ff6e7e39  USII64.tgz