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Diffstat (limited to 'arch/mips/math-emu/sp_fdp.c')
-rw-r--r--arch/mips/math-emu/sp_fdp.c22
1 files changed, 14 insertions, 8 deletions
diff --git a/arch/mips/math-emu/sp_fdp.c b/arch/mips/math-emu/sp_fdp.c
index 1b266fb16973..3797148893ad 100644
--- a/arch/mips/math-emu/sp_fdp.c
+++ b/arch/mips/math-emu/sp_fdp.c
@@ -22,12 +22,19 @@
#include "ieee754sp.h"
#include "ieee754dp.h"
+static inline union ieee754sp ieee754sp_nan_fdp(int xs, u64 xm)
+{
+ return buildsp(xs, SP_EMAX + 1 + SP_EBIAS,
+ xm >> (DP_FBITS - SP_FBITS));
+}
+
union ieee754sp ieee754sp_fdp(union ieee754dp x)
{
+ union ieee754sp y;
u32 rm;
COMPXDP;
- union ieee754sp nan;
+ COMPYSP;
EXPLODEXDP;
@@ -37,15 +44,14 @@ union ieee754sp ieee754sp_fdp(union ieee754dp x)
switch (xc) {
case IEEE754_CLASS_SNAN:
- ieee754_setcx(IEEE754_INVALID_OPERATION);
- return ieee754sp_nanxcpt(ieee754sp_indef());
+ return ieee754sp_nanxcpt(ieee754sp_nan_fdp(xs, xm));
case IEEE754_CLASS_QNAN:
- nan = buildsp(xs, SP_EMAX + 1 + SP_EBIAS, (u32)
- (xm >> (DP_FBITS - SP_FBITS)));
- if (!ieee754sp_isnan(nan))
- nan = ieee754sp_indef();
- return ieee754sp_nanxcpt(nan);
+ y = ieee754sp_nan_fdp(xs, xm);
+ EXPLODEYSP;
+ if (!ieee754_class_nan(yc))
+ y = ieee754sp_indef();
+ return y;
case IEEE754_CLASS_INF:
return ieee754sp_inf(xs);