Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus

[linux-drm-fsl-dcu.git] / arch / mips / math-emu / sp_fdp.c

diff --git a/arch/mips/math-emu/sp_fdp.c b/arch/mips/math-emu/sp_fdp.c
index 3797148893adb62c10a989dc78e5e9dce56e1e9e..5060e8fdcb0b8817c5f6836e0a20273f08a79b52 100644 (file)
--- a/arch/mips/math-emu/sp_fdp.c
+++ b/arch/mips/math-emu/sp_fdp.c
@@ -44,13 +44,16 @@ union ieee754sp ieee754sp_fdp(union ieee754dp x)
 
        switch (xc) {
        case IEEE754_CLASS_SNAN:
-               return ieee754sp_nanxcpt(ieee754sp_nan_fdp(xs, xm));
-
+               x = ieee754dp_nanxcpt(x);
+               EXPLODEXDP;
+               /* Fall through.  */
        case IEEE754_CLASS_QNAN:
                y = ieee754sp_nan_fdp(xs, xm);
-               EXPLODEYSP;
-               if (!ieee754_class_nan(yc))
-                       y = ieee754sp_indef();
+               if (!ieee754_csr.nan2008) {
+                       EXPLODEYSP;
+                       if (!ieee754_class_nan(yc))
+                               y = ieee754sp_indef();
+               }
                return y;
 
        case IEEE754_CLASS_INF: