diff --git a/configure b/configure
index 007ad747..e0ab97fb 100755
--- a/configure
+++ b/configure
@@ -6705,6 +6705,7 @@ if test -e "/proc/cpuinfo" ; then
 	intel[51]="-march=pentium"
 	intel[52]="-march=pentium"
 	intel[54]="-march=pentium-mmx"
+	intel[56]="-march=pentium-mmx"
 	intel[61]="-march=pentiumpro"
 	intel[63]="-march=pentium2"
 	intel[65]="-march=pentium2"
@@ -6716,6 +6717,8 @@ if test -e "/proc/cpuinfo" ; then
 	intel[150]="-march=pentium4"
 	intel[151]="-march=pentium4"
 	intel[152]="-march=pentium4"
+	intel[154]="-march=pentium4"
+	intel[614]="-march=prescott"
 	amd[50]="-march=i586"
 	amd[51]="-march=i586"
 	amd[52]="-march=i586"
@@ -6723,7 +6726,9 @@ if test -e "/proc/cpuinfo" ; then
 	amd[56]="-march=k6"
 	amd[57]="-march=k6"
 	amd[58]="-march=k6-2"
+	amd[510]="-march=k6-2"
 	amd[59]="-march=k6-3"
+	amd[513]="-march=k6-3"
 	amd[61]="-march=athlon"
 	amd[62]="-march=athlon"
 	amd[63]="-march=athlon"
@@ -6731,7 +6736,18 @@ if test -e "/proc/cpuinfo" ; then
 	amd[66]="-march=athlon"
 	amd[67]="-march=athlon"
 	amd[68]="-march=athlon"
+	amd[610]="-march=athlon"
+	amd[158]="-march=athlon-xp"
+	amd[154]="-march=k8"
 	amd[155]="-march=athlon64"
+	amd[1543]="-march=athlon64"
+	amd[1544]="-march=athlon64"
+	amd[1565]="-march=opteron"
+	via[67]="-march=c3"
+	via[68]="-march=c3"
+	via[69]="-march=i686"
+	via[610]="-march=i686"
+
 	CPU_TYPE="known"
 	CPU_FAMILY=`cat /proc/cpuinfo | grep "cpu family" | head -n1`
 	CPU_MODEL=`cat /proc/cpuinfo | grep model[^\ ] | head -n1`
@@ -6749,6 +6765,9 @@ if test -e "/proc/cpuinfo" ; then
 	if test "x${CPU_VENDOR}" = "xAuthenticAMD" ; then
 		CPU_OPTIONS=${amd[$CPU_FAMILY$CPU_MODEL]}
 	fi
+	if test "x${CPU_VENDOR}" = "xCentaurHauls"; then
+		CPU_OPTIONS=${via[$CPU_FAMILY$CPU_MODEL]}
+	fi
 	if test "x${CPU_OPTIONS}" = "x" ; then
 		CPU_TYPE="unknown"
 	fi
@@ -6767,6 +6786,9 @@ if test -e "/proc/cpuinfo" ; then
 		sse2)
 			CPU_FPU="-mfpmath=sse -msse2"
 			;;
+		sse3)
+			CPU_FPU="-msse3"
+			;;
 		3dnow)
 			CPU_EXT="$CPU_EXT -m3dnow"
 			;;
diff --git a/configure.in b/configure.in
index 078242a0..8d0a50ea 100644
--- a/configure.in
+++ b/configure.in
@@ -684,6 +684,7 @@ if test -e "/proc/cpuinfo" ; then
 	intel[[51]]="-march=pentium"
 	intel[[52]]="-march=pentium"
 	intel[[54]]="-march=pentium-mmx"
+	intel[[56]]="-march=pentium-mmx"
 	intel[[61]]="-march=pentiumpro"
 	intel[[63]]="-march=pentium2"
 	intel[[65]]="-march=pentium2"
@@ -695,6 +696,8 @@ if test -e "/proc/cpuinfo" ; then
 	intel[[150]]="-march=pentium4"
 	intel[[151]]="-march=pentium4"
 	intel[[152]]="-march=pentium4"
+	intel[[154]]="-march=pentium4"
+	intel[[614]]="-march=prescott"
 	amd[[50]]="-march=i586"
 	amd[[51]]="-march=i586"
 	amd[[52]]="-march=i586"
@@ -702,7 +705,9 @@ if test -e "/proc/cpuinfo" ; then
 	amd[[56]]="-march=k6"
 	amd[[57]]="-march=k6"
 	amd[[58]]="-march=k6-2"
+	amd[[510]]="-march=k6-2"
 	amd[[59]]="-march=k6-3"
+	amd[[513]]="-march=k6-3"
 	amd[[61]]="-march=athlon"
 	amd[[62]]="-march=athlon"
 	amd[[63]]="-march=athlon"
@@ -710,7 +715,18 @@ if test -e "/proc/cpuinfo" ; then
 	amd[[66]]="-march=athlon"
 	amd[[67]]="-march=athlon"
 	amd[[68]]="-march=athlon"
+	amd[[610]]="-march=athlon"
+	amd[[158]]="-march=athlon-xp"
+	amd[[154]]="-march=k8"
 	amd[[155]]="-march=athlon64"
+	amd[[1543]]="-march=athlon64"
+	amd[[1544]]="-march=athlon64"
+	amd[[1565]]="-march=opteron" 
+	via[[67]]="-march=c3"
+	via[[68]]="-march=c3"
+	via[[69]]="-march=i686" 
+	via[[610]]="-march=i686"
+	
 	CPU_TYPE="known"
 	CPU_FAMILY=`cat /proc/cpuinfo | grep "cpu family" | head -n1`
 	CPU_MODEL=`cat /proc/cpuinfo | grep model[[^\ ]] | head -n1`
@@ -728,6 +744,9 @@ if test -e "/proc/cpuinfo" ; then
 	if test "x${CPU_VENDOR}" = "xAuthenticAMD" ; then
 		CPU_OPTIONS=${amd[[$CPU_FAMILY$CPU_MODEL]]}
 	fi
+	if test "x${CPU_VENDOR}" = "xCentaurHauls"; then
+		CPU_OPTIONS=${via[[$CPU_FAMILY$CPU_MODEL]]}
+	fi
 	if test "x${CPU_OPTIONS}" = "x" ; then
 		CPU_TYPE="unknown"
 	fi
@@ -746,6 +765,9 @@ if test -e "/proc/cpuinfo" ; then
 		sse2)
 			CPU_FPU="-mfpmath=sse -msse2"
 			;;
+		sse3)
+			CPU_FPU="-msse3"
+			;;
 		3dnow)
 			CPU_EXT="$CPU_EXT -m3dnow"
 			;;