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-rw-r--r--includes/stg/HaskellMachRegs.h36
1 files changed, 28 insertions, 8 deletions
diff --git a/includes/stg/HaskellMachRegs.h b/includes/stg/HaskellMachRegs.h
index e95cefd822..00199d7858 100644
--- a/includes/stg/HaskellMachRegs.h
+++ b/includes/stg/HaskellMachRegs.h
@@ -33,14 +33,34 @@
#define MACHREGS_NO_REGS 0
-#define MACHREGS_i386 i386_TARGET_ARCH
-#define MACHREGS_x86_64 x86_64_TARGET_ARCH
-#define MACHREGS_powerpc (powerpc_TARGET_ARCH || powerpc64_TARGET_ARCH \
- || powerpc64le_TARGET_ARCH || rs6000_TARGET_ARCH)
-#define MACHREGS_sparc sparc_TARGET_ARCH
-#define MACHREGS_arm arm_TARGET_ARCH
-#define MACHREGS_aarch64 aarch64_TARGET_ARCH
-#define MACHREGS_darwin darwin_TARGET_OS
+#ifdef i386_TARGET_ARCH
+#define MACHREGS_i386 1
+#endif
+
+#ifdef x86_64_TARGET_ARCH
+#define MACHREGS_x86_64 1
+#endif
+
+#if defined(powerpc_TARGET_ARCH) || defined(powerpc64_TARGET_ARCH) \
+ || defined(powerpc64le_TARGET_ARCH) || defined(rs6000_TARGET_ARCH)
+#define MACHREGS_powerpc 1
+#endif
+
+#ifdef sparc_TARGET_ARCH
+#define MACHREGS_sparc 1
+#endif
+
+#ifdef arm_TARGET_ARCH
+#define MACHREGS_arm 1
+#endif
+
+#ifdef aarch64_TARGET_ARCH
+#define MACHREGS_aarch64 1
+#endif
+
+#ifdef darwin_TARGET_OS
+#define MACHREGS_darwin 1
+#endif
#endif