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-rw-r--r--arch/mips/math-emu/ieee754sp.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/mips/math-emu/ieee754sp.c b/arch/mips/math-emu/ieee754sp.c
index e0b2c450b963..860e9162097f 100644
--- a/arch/mips/math-emu/ieee754sp.c
+++ b/arch/mips/math-emu/ieee754sp.c
@@ -54,10 +54,13 @@ union ieee754sp __cold ieee754sp_nanxcpt(union ieee754sp r)
assert(ieee754sp_issnan(r));
ieee754_setcx(IEEE754_INVALID_OPERATION);
- if (ieee754_csr.nan2008)
+ if (ieee754_csr.nan2008) {
SPMANT(r) |= SP_MBIT(SP_FBITS - 1);
- else
- r = ieee754sp_indef();
+ } else {
+ SPMANT(r) &= ~SP_MBIT(SP_FBITS - 1);
+ if (!ieee754sp_isnan(r))
+ SPMANT(r) |= SP_MBIT(SP_FBITS - 2);
+ }
return r;
}