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-rw-r--r--asmrun/stack.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/asmrun/stack.h b/asmrun/stack.h
index 9805bfb69..e8d1b5807 100644
--- a/asmrun/stack.h
+++ b/asmrun/stack.h
@@ -53,9 +53,9 @@
#endif
#ifdef TARGET_power
-#define Saved_return_address(sp) *((intnat *)((sp) - 4))
+#define Saved_return_address(sp) *((intnat *)((sp) - SIZEOF_PTR))
#define Already_scanned(sp, retaddr) ((retaddr) & 1)
-#define Mark_scanned(sp, retaddr) (*((intnat *)((sp) - 4)) = (retaddr) | 1)
+#define Mark_scanned(sp, retaddr) (*((intnat *)((sp) - SIZEOF_PTR)) = (retaddr) | 1)
#define Mask_already_scanned(retaddr) ((retaddr) & ~1)
#ifdef SYS_aix
#define Trap_frame_size 32