GCC 4.4.3 seems to have proper bitfield support.

diff --git a/tos/chips/msp430/adc12/Msp430Adc12.h b/tos/chips/msp430/adc12/Msp430Adc12.h
index 6e6854e8850ef04fb08f747a0243c6b900d7e80a..6cbce0175d4ca765e5d182e682a62070178f6b06 100644 (file)
--- a/tos/chips/msp430/adc12/Msp430Adc12.h
+++ b/tos/chips/msp430/adc12/Msp430Adc12.h
@@ -164,15 +164,19 @@ enum sampcon_id_enum
 // The unique string for accessing HAL2 via ReadStream
 #define ADCC_READ_STREAM_SERVICE "AdcC.ReadStream.Client"
 
-/* Test for GCC bug (bitfield access) - only version 3.2.3 is known to be stable */
+/* Test for GCC bug (bitfield access) - versions 3.2.3 and 4.4.3 are known to
+ * be stable
+ */
 // TODO: check whether this is still relevant...
 #define GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__ * 10 + __GNUC_PATCHLEVEL__)
 #if GCC_VERSION == 332
 #error "The msp430-gcc version (3.3.2) contains a bug which results in false accessing \
 of bitfields in structs and makes MSP430ADC12M.nc fail ! Use version 3.2.3 instead."
 #elif GCC_VERSION != 323
+#if GCC_VERSION < 443
 #warning "This version of msp430-gcc might contain a bug which results in false accessing \
 of bitfields in structs (MSP430ADC12M.nc would fail). Use version 3.2.3 instead."
+#endif
 #endif  
 
 #ifndef __msp430_have_adc12