math-emu: Add support for reporting exact invalid exception

[sfrench/cifs-2.6.git] / include / math-emu / op-common.h

diff --git a/include/math-emu/op-common.h b/include/math-emu/op-common.h
index bb46e7645d537234bdc44221bccfa8e0e332e4c5..cc1ec396f8d61bcc6e82e851845184011d467eb6 100644 (file)
--- a/include/math-emu/op-common.h
+++ b/include/math-emu/op-common.h
@@ -73,7 +73,7 @@ do {                                                                  \
        X##_c = FP_CLS_NAN;                                             \
        /* Check for signaling NaN */                                   \
        if (!(_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs))            \
-         FP_SET_EXCEPTION(FP_EX_INVALID);                              \
+         FP_SET_EXCEPTION(FP_EX_INVALID | FP_EX_INVALID_SNAN);         \
       }                                                                        \
     break;                                                             \
   }                                                                    \
@@ -324,7 +324,7 @@ do {                                                                             \
        _FP_FRAC_SET_##wc(R, _FP_NANFRAC_##fs);                              \
        R##_s = _FP_NANSIGN_##fs;                                            \
        R##_c = FP_CLS_NAN;                                                  \
-       FP_SET_EXCEPTION(FP_EX_INVALID);                                     \
+       FP_SET_EXCEPTION(FP_EX_INVALID | FP_EX_INVALID_ISI);                 \
        break;                                                               \
       }                                                                             \
     /* FALLTHRU */                                                          \
@@ -431,7 +431,7 @@ do {                                                        \
     R##_s = _FP_NANSIGN_##fs;                          \
     R##_c = FP_CLS_NAN;                                        \
     _FP_FRAC_SET_##wc(R, _FP_NANFRAC_##fs);            \
-    FP_SET_EXCEPTION(FP_EX_INVALID);                   \
+    FP_SET_EXCEPTION(FP_EX_INVALID | FP_EX_INVALID_IMZ);\
     break;                                             \
                                                        \
   default:                                             \
@@ -490,11 +490,15 @@ do {                                                      \
     break;                                             \
                                                        \
   case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_INF):         \
+    R##_s = _FP_NANSIGN_##fs;                          \
+    R##_c = FP_CLS_NAN;                                        \
+    _FP_FRAC_SET_##wc(R, _FP_NANFRAC_##fs);            \
+    FP_SET_EXCEPTION(FP_EX_INVALID | FP_EX_INVALID_IDI);\
   case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_ZERO):       \
     R##_s = _FP_NANSIGN_##fs;                          \
     R##_c = FP_CLS_NAN;                                        \
     _FP_FRAC_SET_##wc(R, _FP_NANFRAC_##fs);            \
-    FP_SET_EXCEPTION(FP_EX_INVALID);                   \
+    FP_SET_EXCEPTION(FP_EX_INVALID | FP_EX_INVALID_ZDZ);\
     break;                                             \
                                                        \
   default:                                             \