diff options
| -rw-r--r-- | ChangeLog | 10 | ||||
| -rw-r--r-- | sysdeps/ieee754/dbl-64/e_lgamma_r.c | 12 | ||||
| -rw-r--r-- | sysdeps/ieee754/flt-32/e_lgammaf_r.c | 12 | ||||
| -rw-r--r-- | sysdeps/ieee754/ldbl-96/e_lgammal_r.c | 11 |
4 files changed, 45 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog index bca6ba7a3f..ba7a400e53 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,15 @@ 2015-05-21 Joseph Myers <joseph@codesourcery.com> + * sysdeps/ieee754/dbl-64/e_lgamma_r.c: Include <libc-internal.h>. + (__ieee754_lgamma_r): Ignore uninitialized warnings around use of + NADJ. + * sysdeps/ieee754/flt-32/e_lgammaf_r.c: Include <libc-internal.h>. + (__ieee754_lgammaf_r): Ignore uninitialized warnings around use of + NADJ. + * sysdeps/ieee754/ldbl-96/e_lgammal_r.c: Include <libc-internal.h>. + (__ieee754_lgammal_r): Ignore uninitialized warnings around use of + NADJ. + * sysdeps/ieee754/dbl-64/mpa.c (norm): Remove if condition on (p == 4) case. diff --git a/sysdeps/ieee754/dbl-64/e_lgamma_r.c b/sysdeps/ieee754/dbl-64/e_lgamma_r.c index af7d06c82f..fc6f594d62 100644 --- a/sysdeps/ieee754/dbl-64/e_lgamma_r.c +++ b/sysdeps/ieee754/dbl-64/e_lgamma_r.c @@ -77,6 +77,7 @@ * */ +#include <libc-internal.h> #include <math.h> #include <math_private.h> @@ -294,7 +295,18 @@ __ieee754_lgamma_r(double x, int *signgamp) } else /* 2**58 <= x <= inf */ r = x*(__ieee754_log(x)-one); + /* NADJ is set for negative arguments but not otherwise, + resulting in warnings that it may be used uninitialized + although in the cases where it is used it has always been + set. */ + 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 if(hx<0) r = nadj - r; + DIAG_POP_NEEDS_COMMENT; return r; } strong_alias (__ieee754_lgamma_r, __lgamma_r_finite) diff --git a/sysdeps/ieee754/flt-32/e_lgammaf_r.c b/sysdeps/ieee754/flt-32/e_lgammaf_r.c index 4743bee438..c0bf4156ff 100644 --- a/sysdeps/ieee754/flt-32/e_lgammaf_r.c +++ b/sysdeps/ieee754/flt-32/e_lgammaf_r.c @@ -13,6 +13,7 @@ * ==================================================== */ +#include <libc-internal.h> #include <math.h> #include <math_private.h> @@ -229,7 +230,18 @@ __ieee754_lgammaf_r(float x, int *signgamp) } else /* 2**26 <= x <= inf */ r = x*(__ieee754_logf(x)-one); + /* NADJ is set for negative arguments but not otherwise, + resulting in warnings that it may be used uninitialized + although in the cases where it is used it has always been + set. */ + 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 if(hx<0) r = nadj - r; + DIAG_POP_NEEDS_COMMENT; return r; } strong_alias (__ieee754_lgammaf_r, __lgammaf_r_finite) diff --git a/sysdeps/ieee754/ldbl-96/e_lgammal_r.c b/sysdeps/ieee754/ldbl-96/e_lgammal_r.c index 1a95f846ae..0cc35f9252 100644 --- a/sysdeps/ieee754/ldbl-96/e_lgammal_r.c +++ b/sysdeps/ieee754/ldbl-96/e_lgammal_r.c @@ -91,6 +91,7 @@ * */ +#include <libc-internal.h> #include <math.h> #include <math_private.h> @@ -423,8 +424,18 @@ __ieee754_lgammal_r (long double x, int *signgamp) else /* 2**66 <= x <= inf */ r = x * (__ieee754_logl (x) - one); + /* NADJ is set for negative arguments but not otherwise, resulting + in warnings that it may be used uninitialized although in the + cases where it is used it has always been set. */ + 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 if (se & 0x8000) r = nadj - r; + DIAG_POP_NEEDS_COMMENT; return r; } strong_alias (__ieee754_lgammal_r, __lgammal_r_finite) |