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patch-gcc-config-arm-t-arm-elf.diff
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patch-gcc-config-arm-t-arm-elf.diff
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--- gcc/config/arm/t-arm-elf.orig 2011-02-02 20:23:22.000000000 +1100
+++ gcc/config/arm/t-arm-elf 2011-02-02 20:39:43.000000000 +1100
@@ -36,30 +36,34 @@
MULTILIB_EXCEPTIONS =
MULTILIB_MATCHES =
-#MULTILIB_OPTIONS += march=armv7
-#MULTILIB_DIRNAMES += thumb2
-#MULTILIB_EXCEPTIONS += march=armv7* marm/*march=armv7*
-#MULTILIB_MATCHES += march?armv7=march?armv7-a
-#MULTILIB_MATCHES += march?armv7=march?armv7-r
-#MULTILIB_MATCHES += march?armv7=march?armv7-m
-#MULTILIB_MATCHES += march?armv7=mcpu?cortex-a8
-#MULTILIB_MATCHES += march?armv7=mcpu?cortex-r4
-#MULTILIB_MATCHES += march?armv7=mcpu?cortex-m3
+MULTILIB_OPTIONS += march=armv7/march=armv6-m
+MULTILIB_DIRNAMES += v7m v6m
+MULTILIB_EXCEPTIONS += march=armv7* marm/*march=armv7*
+MULTILIB_MATCHES += march?armv7=march?armv7-a
+MULTILIB_MATCHES += march?armv7=march?armv7-r
+MULTILIB_MATCHES += march?armv7=march?armv7-m
+MULTILIB_MATCHES += march?armv7=mcpu?cortex-a8
+MULTILIB_MATCHES += march?armv7=mcpu?cortex-r4
+MULTILIB_MATCHES += march?armv7=mcpu?cortex-m3
+
+MULTILIB_EXCEPTIONS += march=armv6-m
+MULTILIB_MATCHES += march?armv6-m=mcpu?cortex-m1
+MULTILIB_MATCHES += march?armv6-m=mcpu?cortex-m0
# Not quite true. We can support hard-vfp calling in Thumb2, but how do we
# express that here? Also, we really need architecture v5e or later
# (mcrr etc).
-MULTILIB_OPTIONS += mfloat-abi=hard
-MULTILIB_DIRNAMES += fpu
-MULTILIB_EXCEPTIONS += *mthumb/*mfloat-abi=hard*
+#MULTILIB_OPTIONS += mfloat-abi=hard
+#MULTILIB_DIRNAMES += fpu
+#MULTILIB_EXCEPTIONS += *mthumb/*mfloat-abi=hard*
# MULTILIB_OPTIONS += mcpu=ep9312
# MULTILIB_DIRNAMES += ep9312
# MULTILIB_EXCEPTIONS += *mthumb/*mcpu=ep9312*
#
-# MULTILIB_OPTIONS += mlittle-endian/mbig-endian
-# MULTILIB_DIRNAMES += le be
-# MULTILIB_MATCHES += mbig-endian=mbe mlittle-endian=mle
+MULTILIB_OPTIONS += mlittle-endian
+MULTILIB_DIRNAMES += le
+MULTILIB_MATCHES += mlittle-endian=mle
#
# MULTILIB_OPTIONS += mhard-float/msoft-float
# MULTILIB_DIRNAMES += fpu soft