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-rw-r--r--arch/mips/math-emu/ieee754dp.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/mips/math-emu/ieee754dp.h b/arch/mips/math-emu/ieee754dp.h
index 216bab308dc..c755e1fc855 100644
--- a/arch/mips/math-emu/ieee754dp.h
+++ b/arch/mips/math-emu/ieee754dp.h
@@ -44,6 +44,11 @@
#define DPBEXP(dp) (dp.parts.bexp)
#define DPMANT(dp) (dp.parts.mant)
+static inline int ieee754dp_finite(union ieee754dp x)
+{
+ return DPBEXP(x) != DP_EMAX + 1 + DP_EBIAS;
+}
+
/* 3bit extended double precision sticky right shift */
#define XDPSRS(v,rs) \
((rs > (DP_FBITS+3))?1:((v) >> (rs)) | ((v) << (64-(rs)) != 0))