[MATH-EMU]: Fix underflow exception reporting.
[linux-2.6.git] / include / math-emu / op-common.h
index 93780ab..bb46e76 100644 (file)
@@ -145,13 +145,16 @@ do {                                                              \
              {                                                 \
                X##_e = 1;                                      \
                _FP_FRAC_SET_##wc(X, _FP_ZEROFRAC_##wc);        \
+               FP_SET_EXCEPTION(FP_EX_INEXACT);                \
              }                                                 \
            else                                                \
              {                                                 \
                X##_e = 0;                                      \
                _FP_FRAC_SRL_##wc(X, _FP_WORKBITS);             \
-               FP_SET_EXCEPTION(FP_EX_UNDERFLOW);              \
              }                                                 \
+           if ((FP_CUR_EXCEPTIONS & FP_EX_INEXACT) ||          \
+               (FP_TRAPPING_EXCEPTIONS & FP_EX_UNDERFLOW))     \
+               FP_SET_EXCEPTION(FP_EX_UNDERFLOW);              \
          }                                                     \
        else                                                    \
          {                                                     \