--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/config/rs6000/t-rtems	Fri Jul 17 14:47:48 2009 +0900
@@ -0,0 +1,64 @@
+# Multilibs for powerpc RTEMS targets.
+
+MULTILIB_OPTIONS	= \
+mcpu=403/mcpu=505/mcpu=601/mcpu=603e/mcpu=604/mcpu=860/mcpu=7400 \
+Dmpc8260 \
+msoft-float
+
+MULTILIB_DIRNAMES	= \
+m403 m505 m601 m603e m604 m860 m7400 \
+mpc8260 \
+nof
+
+# MULTILIB_MATCHES	= ${MULTILIB_MATCHES_FLOAT}
+MULTILIB_MATCHES	=
+MULTILIB_MATCHES  	+= ${MULTILIB_MATCHES_ENDIAN}
+MULTILIB_MATCHES	+= ${MULTILIB_MATCHES_SYSV}
+# Map 405 to 403
+MULTILIB_MATCHES	+= mcpu?403=mcpu?405
+# Map 602, 603e, 603 to 603e
+MULTILIB_MATCHES	+= mcpu?603e=mcpu?602
+MULTILIB_MATCHES	+= mcpu?603e=mcpu?603
+# Map 801, 821, 823 to 860
+MULTILIB_MATCHES 	+= mcpu?860=mcpu?801
+MULTILIB_MATCHES 	+= mcpu?860=mcpu?821
+MULTILIB_MATCHES 	+= mcpu?860=mcpu?823
+# Map 7450 to 7400
+MULTILIB_MATCHES	+= mcpu?7400=mcpu?7450
+
+# Map 750 to .
+MULTILIB_MATCHES	+= mcpu?750=
+
+# Soft-float only, default implies msoft-float
+# NOTE: Must match with MULTILIB_MATCHES_FLOAT and MULTILIB_MATCHES
+MULTILIB_SOFTFLOAT_ONLY = \
+*mcpu=401/*msoft-float* \
+*mcpu=403/*msoft-float* \
+*mcpu=405/*msoft-float* \
+*mcpu=801/*msoft-float* \
+*mcpu=821/*msoft-float* \
+*mcpu=823/*msoft-float* \
+*mcpu=860/*msoft-float*
+
+# Hard-float only, take out msoft-float
+MULTILIB_HARDFLOAT_ONLY = \
+*mcpu=505/*msoft-float*
+
+MULTILIB_EXCEPTIONS =
+
+# Disallow -Dppc and -Dmpc without other options
+MULTILIB_EXCEPTIONS 	+= Dppc* Dmpc*
+
+MULTILIB_EXCEPTIONS	+= \
+${MULTILIB_SOFTFLOAT_ONLY} \
+${MULTILIB_HARDFLOAT_ONLY}
+
+# Special rules
+# Take out all variants we don't want
+MULTILIB_EXCEPTIONS += *mcpu=403/Dmpc*
+MULTILIB_EXCEPTIONS += *mcpu=505/Dmpc*
+MULTILIB_EXCEPTIONS += *mcpu=601/Dmpc*
+MULTILIB_EXCEPTIONS += *mcpu=604/Dmpc*
+MULTILIB_EXCEPTIONS += *mcpu=750/Dmpc*
+MULTILIB_EXCEPTIONS += *mcpu=860/Dmpc*
+MULTILIB_EXCEPTIONS += *mcpu=7400/Dmpc*