diff options
| -rw-r--r-- | ChangeLog | 7 | ||||
| -rw-r--r-- | sysdeps/ieee754/soft-fp/s_fdiv.c | 12 |
2 files changed, 19 insertions, 0 deletions
@@ -1,3 +1,10 @@ +2018-10-02 Martin Jansa <Martin.Jansa@gmail.com> + + [BZ #19444] + * sysdeps/ieee754/soft-fp/s_fdiv.c: Include <libc-diag.h> and use + DIAG_PUSH_NEEDS_COMMENT, DIAG_IGNORE_NEEDS_COMMENT and + DIAG_POP_NEEDS_COMMENT to disable -Wmaybe-uninitialized. + 2018-10-02 Adhemerval Zanella <adhemerval.zanella@linaro.org> * sysdeps/unix/sysv/linux/fd_to_filename.h: Add missing includes. diff --git a/sysdeps/ieee754/soft-fp/s_fdiv.c b/sysdeps/ieee754/soft-fp/s_fdiv.c index 341339f5ed..7a15cbeee6 100644 --- a/sysdeps/ieee754/soft-fp/s_fdiv.c +++ b/sysdeps/ieee754/soft-fp/s_fdiv.c @@ -25,6 +25,16 @@ #undef fdivl #include <math-narrow.h> +#include <libc-diag.h> + +/* R_f[01] are not set in cases where they are not used in packing, + but the compiler does not see that they are set in all cases where + they are used, resulting in warnings that they may be used + uninitialized. The location of the warning differs in different + versions of GCC, it may be where R is defined using a macro or it + may be where the macro is defined. This happens only with -O1. */ +DIAG_PUSH_NEEDS_COMMENT; +DIAG_IGNORE_NEEDS_COMMENT (8, "-Wmaybe-uninitialized"); #include <soft-fp.h> #include <single.h> #include <double.h> @@ -53,4 +63,6 @@ __fdiv (double x, double y) CHECK_NARROW_DIV (ret, x, y); return ret; } +DIAG_POP_NEEDS_COMMENT; + libm_alias_float_double (div) |