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-rw-r--r--kernel/byterun/coq_interp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/byterun/coq_interp.c b/kernel/byterun/coq_interp.c
index 9742768c5d..a8fd2fbe47 100644
--- a/kernel/byterun/coq_interp.c
+++ b/kernel/byterun/coq_interp.c
@@ -133,7 +133,7 @@ if (sp - num_args < coq_stack_threshold) { \
#define SP_REG asm("%edi")
#define ACCU_REG
#endif
-#if defined(PPC) || defined(_POWER) || defined(_IBMR2)
+#if defined(__ppc__) || defined(__ppc64__)
#define PC_REG asm("26")
#define SP_REG asm("27")
#define ACCU_REG asm("28")