diff options
Diffstat (limited to 'soft-fp/op-common.h')
| -rw-r--r-- | soft-fp/op-common.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/soft-fp/op-common.h b/soft-fp/op-common.h index 4ec7fade48..0aa6e3e05d 100644 --- a/soft-fp/op-common.h +++ b/soft-fp/op-common.h @@ -1,5 +1,5 @@ /* Software floating-point emulation. Common operations. - Copyright (C) 1997,1998,1999,2006 Free Software Foundation, Inc. + Copyright (C) 1997,1998,1999,2006,2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Richard Henderson (rth@cygnus.com), Jakub Jelinek (jj@ultra.linux.cz), @@ -99,10 +99,10 @@ do { \ else \ { \ X##_e = _FP_EXPMAX_##fs - 1; \ - FP_SET_EXCEPTION(FP_EX_OVERFLOW); \ - FP_SET_EXCEPTION(FP_EX_INEXACT); \ _FP_FRAC_SET_##wc(X, _FP_MAXFRAC_##wc); \ } \ + FP_SET_EXCEPTION(FP_EX_INEXACT); \ + FP_SET_EXCEPTION(FP_EX_OVERFLOW); \ } while (0) /* Check for a semi-raw value being a signaling NaN and raise the @@ -1252,6 +1252,9 @@ do { \ _FP_FRAC_SRL_##swc(S, (_FP_WFRACBITS_##sfs \ - _FP_WFRACBITS_##dfs)); \ _FP_FRAC_COPY_##dwc##_##swc(D, S); \ + /* Semi-raw NaN must have all workbits cleared. */ \ + _FP_FRAC_LOW_##dwc(D) \ + &= ~(_FP_W_TYPE) ((1 << _FP_WORKBITS) - 1); \ _FP_FRAC_HIGH_##dfs(D) |= _FP_QNANBIT_SH_##dfs; \ } \ } \ |