diff options
Diffstat (limited to 'include/math-emu')
| -rw-r--r-- | include/math-emu/op-common.h | 5 | ||||
| -rw-r--r-- | include/math-emu/soft-fp.h | 7 |
2 files changed, 11 insertions, 1 deletions
diff --git a/include/math-emu/op-common.h b/include/math-emu/op-common.h index 93780abd01bc..bb46e7645d53 100644 --- a/include/math-emu/op-common.h +++ b/include/math-emu/op-common.h @@ -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 \ { \ diff --git a/include/math-emu/soft-fp.h b/include/math-emu/soft-fp.h index d02eb64a865b..a0721ef5c2f9 100644 --- a/include/math-emu/soft-fp.h +++ b/include/math-emu/soft-fp.h @@ -97,12 +97,19 @@ #define FP_INHIBIT_RESULTS 0 #endif +#ifndef FP_TRAPPING_EXCEPTIONS +#define FP_TRAPPING_EXCPETIONS 0 +#endif + #define FP_SET_EXCEPTION(ex) \ _fex |= (ex) #define FP_UNSET_EXCEPTION(ex) \ _fex &= ~(ex) +#define FP_CUR_EXCEPTIONS \ + (_fex) + #define FP_CLEAR_EXCEPTIONS \ _fex = 0 |