Hi,
The following patch was been in use internally, for some time, to handle two
further cases where the processor does not have lwsync. Verified on a cross
from i686-linux-gnu to powerpc-linux-gnu.
OK for trunk?
thanks,
Iain
gcc/
* config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Extended to cover PPC
440 and 603 processors.
Index: gcc/config/rs6000/rs6000.h
===================================================================
--- gcc/config/rs6000/rs6000.h (revision 189745)
+++ gcc/config/rs6000/rs6000.h (working copy)
@@ -501,9 +512,11 @@ extern int rs6000_vector_align[];
|| TARGET_ALTIVEC \
|| TARGET_VSX)))
-/* E500 cores only support plain "sync", not lwsync. */
+/* E500, 440 and 603 cores only support plain "sync", not lwsync. */
#define TARGET_NO_LWSYNC (rs6000_cpu == PROCESSOR_PPC8540 \
- || rs6000_cpu == PROCESSOR_PPC8548)
+ || rs6000_cpu == PROCESSOR_PPC8548 \
+ || rs6000_cpu == PROCESSOR_PPC440 \
+ || rs6000_cpu == PROCESSOR_PPC603)
/* Which machine supports the various reciprocal estimate instructions. */