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| author | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2022-12-29 09:58:02 -0300 |
|---|---|---|
| committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2023-01-11 17:50:51 -0300 |
| commit | 30546ac2d1d64adff07d317e3041ec0fc6e32f6d (patch) | |
| tree | 4c0a3cb621b8326a1255c1c2beb9fd7e70272314 /sysdeps/ieee754 | |
| parent | 8176efe3cabeee003f193f6b877297bf5aee8eb6 (diff) | |
| download | glibc-30546ac2d1d64adff07d317e3041ec0fc6e32f6d.zip glibc-30546ac2d1d64adff07d317e3041ec0fc6e32f6d.tar.gz glibc-30546ac2d1d64adff07d317e3041ec0fc6e32f6d.tar.bz2 | |
math: Suppress -O0 warnings for soft-fp fsqrt [BZ #19444]
The patch suppress the same warnings from 87c266d758d29e52bfb717f90,
that shows issues for microblaze, mips soft-fp, nios2, and or1k.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Diffstat (limited to 'sysdeps/ieee754')
| -rw-r--r-- | sysdeps/ieee754/soft-fp/s_fsqrt.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/sysdeps/ieee754/soft-fp/s_fsqrt.c b/sysdeps/ieee754/soft-fp/s_fsqrt.c index 68f5146..9fd3c83 100644 --- a/sysdeps/ieee754/soft-fp/s_fsqrt.c +++ b/sysdeps/ieee754/soft-fp/s_fsqrt.c @@ -25,6 +25,15 @@ #undef fsqrtl #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> @@ -51,4 +60,6 @@ __fsqrt (double x) CHECK_NARROW_SQRT (ret, x); return ret; } +DIAG_POP_NEEDS_COMMENT; + libm_alias_float_double (sqrt) |