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-rw-r--r--bfd/cpu-avr.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/bfd/cpu-avr.c b/bfd/cpu-avr.c
index 364f64e..ddc410b 100644
--- a/bfd/cpu-avr.c
+++ b/bfd/cpu-avr.c
@@ -38,7 +38,13 @@ compatible (const bfd_arch_info_type * a,
if (a->mach == b->mach)
return a;
- if (a->mach <= bfd_mach_avr6 && b->mach <= bfd_mach_avr6)
+ /* avr-6 is compatible only with itself as its call convention is not
+ compatible with other avr (the mcu saves the return address on 3 bytes
+ instead of 2). */
+ if (a->mach == bfd_mach_avr6 || b->mach == bfd_mach_avr6)
+ return NULL;
+
+ if (a->mach < bfd_mach_avr6 && b->mach < bfd_mach_avr6)
{
/* Special case for ATmega[16]03 (avr:3) and ATmega83 (avr:4). */
if ((a->mach == bfd_mach_avr3 && b->mach == bfd_mach_avr4)