diff options
| -rw-r--r-- | ChangeLog | 7 | ||||
| -rw-r--r-- | sysdeps/ieee754/soft-fp/s_ddivl.c | 12 | ||||
| -rw-r--r-- | sysdeps/ieee754/soft-fp/s_fdivl.c | 12 |
3 files changed, 31 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog index 6db6889e2d..b2da915b11 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,10 @@ +2019-04-30 Maciej W. Rozycki <macro@wdc.com> + + [BZ #19444] + * sysdeps/ieee754/soft-fp/s_ddivl.c (__ddivl): Ignore errors + from `-Wmaybe-uninitialized'. + * sysdeps/ieee754/soft-fp/s_fdivl.c (__fdivl): Likewise. + 2019-04-29 Adhemerval Zanella <adhemerval.zanella@linaro.org> * sysdeps/powerpc/fpu/fenv_libc.h (__fesetround_inline_nocheck): New diff --git a/sysdeps/ieee754/soft-fp/s_ddivl.c b/sysdeps/ieee754/soft-fp/s_ddivl.c index 8e469c5780..1af34e14e6 100644 --- a/sysdeps/ieee754/soft-fp/s_ddivl.c +++ b/sysdeps/ieee754/soft-fp/s_ddivl.c @@ -28,6 +28,16 @@ #undef f64divf128 #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 <double.h> #include <quad.h> @@ -56,4 +66,6 @@ __ddivl (_Float128 x, _Float128 y) CHECK_NARROW_DIV (ret, x, y); return ret; } +DIAG_POP_NEEDS_COMMENT; + libm_alias_double_ldouble (div) diff --git a/sysdeps/ieee754/soft-fp/s_fdivl.c b/sysdeps/ieee754/soft-fp/s_fdivl.c index 4792b231b1..b7a5a414b4 100644 --- a/sysdeps/ieee754/soft-fp/s_fdivl.c +++ b/sysdeps/ieee754/soft-fp/s_fdivl.c @@ -24,6 +24,16 @@ #undef f32divf128 #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 <quad.h> @@ -52,4 +62,6 @@ __fdivl (_Float128 x, _Float128 y) CHECK_NARROW_DIV (ret, x, y); return ret; } +DIAG_POP_NEEDS_COMMENT; + libm_alias_float_ldouble (div) |