Commit d9dd417b09566af55b7b3000bb53ccaf2e1d6c92
2013-03-16T08:01:19
Fix for m68000 systems
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45
diff --git a/ChangeLog b/ChangeLog
index 525e518..b4273de 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2013-03-16 Alan Hourihane <alanh@fairlite.co.uk>
+
+ * src/m68k/sysv.S (epilogue): Don't user extb instruction on
+ m680000 machines.
+
2013-03-16 Alex Gaynor <alex.gaynor@gmail.com>
* src/x86/ffi.c (ffi_prep_cif_machdep): Always align stack.
diff --git a/src/m68k/sysv.S b/src/m68k/sysv.S
index 9504c6a..ec2b14f 100644
--- a/src/m68k/sysv.S
+++ b/src/m68k/sysv.S
@@ -176,7 +176,13 @@ retstruct2:
retsint8:
btst #8,%d2
jbeq retsint16
+ | NOTE: On the mc68000, extb is not supported. 8->16, then 16->32.
+#if !defined(__mc68020__) && !defined(__mc68030__) && !defined(__mc68040__) && !defined(__mc68060__) && !defined(__mcoldfire__)
+ ext.w %d0
+ ext.l %d0
+#else
extb.l %d0
+#endif
move.l %d0,(%a1)
jbra epilogue
@@ -279,7 +285,13 @@ CALLFUNC(ffi_closure_SYSV):
jra .Lcls_epilogue
.Lcls_ret_sint8:
move.l (%a0),%d0
+ | NOTE: On the mc68000, extb is not supported. 8->16, then 16->32.
+#if !defined(__mc68020__) && !defined(__mc68030__) && !defined(__mc68040__) && !defined(__mc68060__) && !defined(__mcoldfire__)
+ ext.w %d0
+ ext.l %d0
+#else
extb.l %d0
+#endif
jra .Lcls_epilogue
1:
| CIF_FLAGS_SINT16