diff options
Diffstat (limited to 'soft-fp/fmadf4.c')
| -rw-r--r-- | soft-fp/fmadf4.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/soft-fp/fmadf4.c b/soft-fp/fmadf4.c index c4826ca20c..da6749d0ec 100644 --- a/soft-fp/fmadf4.c +++ b/soft-fp/fmadf4.c @@ -1,5 +1,5 @@ /* Implement fma using soft-fp. - Copyright (C) 2013-2014 Free Software Foundation, Inc. + Copyright (C) 2013-2015 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -25,6 +25,7 @@ License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ +#include <libc-internal.h> #include <math.h> #include "soft-fp.h" #include "double.h" @@ -44,7 +45,18 @@ __fma (double a, double b, double c) FP_UNPACK_D (B, b); FP_UNPACK_D (C, c); FP_FMA_D (R, A, B, C); + /* R_e is not set in cases where it is not used in packing, but the + compiler does not see that it is set in all cases where it is + used, resulting in warnings that it may be used + uninitialized. */ + DIAG_PUSH_NEEDS_COMMENT; +#if __GNUC_PREREQ (4, 7) + DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized"); +#else + DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wuninitialized"); +#endif FP_PACK_D (r, R); + DIAG_POP_NEEDS_COMMENT; FP_HANDLE_EXCEPTIONS; return r; |