diff options
Diffstat (limited to 'arch/mips/math-emu/dp_add.c')
| -rw-r--r-- | arch/mips/math-emu/dp_add.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/arch/mips/math-emu/dp_add.c b/arch/mips/math-emu/dp_add.c index 7f64577df984..8954ef031f84 100644 --- a/arch/mips/math-emu/dp_add.c +++ b/arch/mips/math-emu/dp_add.c @@ -37,19 +37,20 @@ union ieee754dp ieee754dp_add(union ieee754dp x, union ieee754dp y) FLUSHYDP; switch (CLPAIR(xc, yc)) { - case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_QNAN): case CLPAIR(IEEE754_CLASS_QNAN, IEEE754_CLASS_SNAN): - case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_SNAN): case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_SNAN): case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_SNAN): case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_SNAN): case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_SNAN): + return ieee754dp_nanxcpt(y); + + case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_SNAN): + case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_QNAN): case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_ZERO): case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_NORM): case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_DNORM): case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_INF): - ieee754_setcx(IEEE754_INVALID_OPERATION); - return ieee754dp_nanxcpt(ieee754dp_indef()); + return ieee754dp_nanxcpt(x); case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_QNAN): case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_QNAN): @@ -150,8 +151,6 @@ union ieee754dp ieee754dp_add(union ieee754dp x, union ieee754dp y) * leaving result in xm, xs and xe. */ xm = xm + ym; - xe = xe; - xs = xs; if (xm >> (DP_FBITS + 1 + 3)) { /* carry out */ xm = XDPSRS1(xm); @@ -160,11 +159,8 @@ union ieee754dp ieee754dp_add(union ieee754dp x, union ieee754dp y) } else { if (xm >= ym) { xm = xm - ym; - xe = xe; - xs = xs; } else { xm = ym - xm; - xe = xe; xs = ys; } if (xm == 0) |