diff mbox series

[v7,1/3] math: redirect roundeven function

Message ID 20210524014312.4111807-1-ibmibmibm.tw@gmail.com
State Committed
Commit 447954a206837b5f153869cfeeeab44631c3fac9
Delegated to: H.J. Lu
Headers
Series [v7,1/3] math: redirect roundeven function |

Checks

Context Check Description
dj/TryBot-apply_patch success Patch applied to master at the time it was sent

Commit Message

謝昇達(Shen-Ta Hsieh) May 24, 2021, 1:43 a.m. UTC 
  This patch redirect roundeven function for futhermore changes.

Signed-off-by: Shen-Ta Hsieh <ibmibmibm.tw@gmail.com>
---
 include/math.h                             | 2 +-
 sysdeps/ieee754/dbl-64/s_roundeven.c       | 4 +++-
 sysdeps/ieee754/float128/s_roundevenf128.c | 1 +
 sysdeps/ieee754/flt-32/s_roundevenf.c      | 3 +++
 sysdeps/ieee754/ldbl-128/s_roundevenl.c    | 1 +
 sysdeps/ieee754/ldbl-96/s_roundevenl.c     | 1 +
 6 files changed, 10 insertions(+), 2 deletions(-)

Comments

H.J. Lu May 25, 2021, 12:02 p.m. UTC | #1 
On Sun, May 23, 2021 at 6:43 PM Shen-Ta Hsieh <ibmibmibm.tw@gmail.com> wrote:
>
> This patch redirect roundeven function for futhermore changes.
>
> Signed-off-by: Shen-Ta Hsieh <ibmibmibm.tw@gmail.com>
> ---
>  include/math.h                             | 2 +-
>  sysdeps/ieee754/dbl-64/s_roundeven.c       | 4 +++-
>  sysdeps/ieee754/float128/s_roundevenf128.c | 1 +
>  sysdeps/ieee754/flt-32/s_roundevenf.c      | 3 +++
>  sysdeps/ieee754/ldbl-128/s_roundevenl.c    | 1 +
>  sysdeps/ieee754/ldbl-96/s_roundevenl.c     | 1 +
>  6 files changed, 10 insertions(+), 2 deletions(-)
>
> diff --git a/include/math.h b/include/math.h
> index e1c2a4eb64..b4772d3d3b 100644
> --- a/include/math.h
> +++ b/include/math.h
> @@ -38,7 +38,6 @@ libm_hidden_proto (__issignaling)
>  libm_hidden_proto (__issignalingf)
>  libm_hidden_proto (__exp)
>  libm_hidden_proto (__expf)
> -libm_hidden_proto (__roundeven)
>
>  #  if !defined __NO_LONG_DOUBLE_MATH \
>        && __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 0
> @@ -159,6 +158,7 @@ fabsf128 (_Float128 x)
>  MATH_REDIRECT (sqrt, "__ieee754_", MATH_REDIRECT_UNARY_ARGS)
>  MATH_REDIRECT (ceil, "__", MATH_REDIRECT_UNARY_ARGS)
>  MATH_REDIRECT (floor, "__", MATH_REDIRECT_UNARY_ARGS)
> +MATH_REDIRECT (roundeven, "__", MATH_REDIRECT_UNARY_ARGS)
>  MATH_REDIRECT (rint, "__", MATH_REDIRECT_UNARY_ARGS)
>  MATH_REDIRECT (trunc, "__", MATH_REDIRECT_UNARY_ARGS)
>  MATH_REDIRECT (round, "__", MATH_REDIRECT_UNARY_ARGS)
> diff --git a/sysdeps/ieee754/dbl-64/s_roundeven.c b/sysdeps/ieee754/dbl-64/s_roundeven.c
> index 943b2c634c..5deff3bb8a 100644
> --- a/sysdeps/ieee754/dbl-64/s_roundeven.c
> +++ b/sysdeps/ieee754/dbl-64/s_roundeven.c
> @@ -16,6 +16,7 @@
>     License along with the GNU C Library; if not, see
>     <https://www.gnu.org/licenses/>.  */
>
> +#define NO_MATH_REDIRECT
>  #include <math.h>
>  #include <math_private.h>
>  #include <libm-alias-double.h>
> @@ -66,5 +67,6 @@ __roundeven (double x)
>    INSERT_WORDS64 (x, ix);
>    return x;
>  }
> -hidden_def (__roundeven)
> +#ifndef __roundeven
>  libm_alias_double (__roundeven, roundeven)
> +#endif
> diff --git a/sysdeps/ieee754/float128/s_roundevenf128.c b/sysdeps/ieee754/float128/s_roundevenf128.c
> index 5a9b3f395f..e0faf727f6 100644
> --- a/sysdeps/ieee754/float128/s_roundevenf128.c
> +++ b/sysdeps/ieee754/float128/s_roundevenf128.c
> @@ -1,2 +1,3 @@
> +#define NO_MATH_REDIRECT
>  #include <float128_private.h>
>  #include "../ldbl-128/s_roundevenl.c"
> diff --git a/sysdeps/ieee754/flt-32/s_roundevenf.c b/sysdeps/ieee754/flt-32/s_roundevenf.c
> index ae54365bbe..2cc0d7b001 100644
> --- a/sysdeps/ieee754/flt-32/s_roundevenf.c
> +++ b/sysdeps/ieee754/flt-32/s_roundevenf.c
> @@ -17,6 +17,7 @@
>     License along with the GNU C Library; if not, see
>     <https://www.gnu.org/licenses/>.  */
>
> +#define NO_MATH_REDIRECT
>  #include <math.h>
>  #include <math_private.h>
>  #include <libm-alias-float.h>
> @@ -67,4 +68,6 @@ __roundevenf (float x)
>    SET_FLOAT_WORD (x, ix);
>    return x;
>  }
> +#ifndef __roundevenf
>  libm_alias_float (__roundeven, roundeven)
> +#endif
> diff --git a/sysdeps/ieee754/ldbl-128/s_roundevenl.c b/sysdeps/ieee754/ldbl-128/s_roundevenl.c
> index 02765be0e0..7c9c11fad2 100644
> --- a/sysdeps/ieee754/ldbl-128/s_roundevenl.c
> +++ b/sysdeps/ieee754/ldbl-128/s_roundevenl.c
> @@ -17,6 +17,7 @@
>     License along with the GNU C Library; if not, see
>     <https://www.gnu.org/licenses/>.  */
>
> +#define NO_MATH_REDIRECT
>  #include <math.h>
>  #include <math_private.h>
>  #include <libm-alias-ldouble.h>
> diff --git a/sysdeps/ieee754/ldbl-96/s_roundevenl.c b/sysdeps/ieee754/ldbl-96/s_roundevenl.c
> index 8340116ed8..f826829c31 100644
> --- a/sysdeps/ieee754/ldbl-96/s_roundevenl.c
> +++ b/sysdeps/ieee754/ldbl-96/s_roundevenl.c
> @@ -17,6 +17,7 @@
>     License along with the GNU C Library; if not, see
>     <https://www.gnu.org/licenses/>.  */
>
> +#define NO_MATH_REDIRECT
>  #include <math.h>
>  #include <math_private.h>
>  #include <libm-alias-ldouble.h>
> --
> 2.31.1
>

LGTM.

Reviewed-by: H.J. Lu <hjl.tools@gmail.com>

Thanks.
H.J. Lu June 22, 2021, 10:35 p.m. UTC | #2 
On Tue, May 25, 2021 at 5:02 AM H.J. Lu <hjl.tools@gmail.com> wrote:
>
> On Sun, May 23, 2021 at 6:43 PM Shen-Ta Hsieh <ibmibmibm.tw@gmail.com> wrote:
> >
> > This patch redirect roundeven function for futhermore changes.
> >
> > Signed-off-by: Shen-Ta Hsieh <ibmibmibm.tw@gmail.com>
> > ---
> >  include/math.h                             | 2 +-
> >  sysdeps/ieee754/dbl-64/s_roundeven.c       | 4 +++-
> >  sysdeps/ieee754/float128/s_roundevenf128.c | 1 +
> >  sysdeps/ieee754/flt-32/s_roundevenf.c      | 3 +++
> >  sysdeps/ieee754/ldbl-128/s_roundevenl.c    | 1 +
> >  sysdeps/ieee754/ldbl-96/s_roundevenl.c     | 1 +
> >  6 files changed, 10 insertions(+), 2 deletions(-)
> >
> > diff --git a/include/math.h b/include/math.h
> > index e1c2a4eb64..b4772d3d3b 100644
> > --- a/include/math.h
> > +++ b/include/math.h
> > @@ -38,7 +38,6 @@ libm_hidden_proto (__issignaling)
> >  libm_hidden_proto (__issignalingf)
> >  libm_hidden_proto (__exp)
> >  libm_hidden_proto (__expf)
> > -libm_hidden_proto (__roundeven)
> >
> >  #  if !defined __NO_LONG_DOUBLE_MATH \
> >        && __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 0
> > @@ -159,6 +158,7 @@ fabsf128 (_Float128 x)
> >  MATH_REDIRECT (sqrt, "__ieee754_", MATH_REDIRECT_UNARY_ARGS)
> >  MATH_REDIRECT (ceil, "__", MATH_REDIRECT_UNARY_ARGS)
> >  MATH_REDIRECT (floor, "__", MATH_REDIRECT_UNARY_ARGS)
> > +MATH_REDIRECT (roundeven, "__", MATH_REDIRECT_UNARY_ARGS)
> >  MATH_REDIRECT (rint, "__", MATH_REDIRECT_UNARY_ARGS)
> >  MATH_REDIRECT (trunc, "__", MATH_REDIRECT_UNARY_ARGS)
> >  MATH_REDIRECT (round, "__", MATH_REDIRECT_UNARY_ARGS)
> > diff --git a/sysdeps/ieee754/dbl-64/s_roundeven.c b/sysdeps/ieee754/dbl-64/s_roundeven.c
> > index 943b2c634c..5deff3bb8a 100644
> > --- a/sysdeps/ieee754/dbl-64/s_roundeven.c
> > +++ b/sysdeps/ieee754/dbl-64/s_roundeven.c
> > @@ -16,6 +16,7 @@
> >     License along with the GNU C Library; if not, see
> >     <https://www.gnu.org/licenses/>.  */
> >
> > +#define NO_MATH_REDIRECT
> >  #include <math.h>
> >  #include <math_private.h>
> >  #include <libm-alias-double.h>
> > @@ -66,5 +67,6 @@ __roundeven (double x)
> >    INSERT_WORDS64 (x, ix);
> >    return x;
> >  }
> > -hidden_def (__roundeven)
> > +#ifndef __roundeven
> >  libm_alias_double (__roundeven, roundeven)
> > +#endif
> > diff --git a/sysdeps/ieee754/float128/s_roundevenf128.c b/sysdeps/ieee754/float128/s_roundevenf128.c
> > index 5a9b3f395f..e0faf727f6 100644
> > --- a/sysdeps/ieee754/float128/s_roundevenf128.c
> > +++ b/sysdeps/ieee754/float128/s_roundevenf128.c
> > @@ -1,2 +1,3 @@
> > +#define NO_MATH_REDIRECT
> >  #include <float128_private.h>
> >  #include "../ldbl-128/s_roundevenl.c"
> > diff --git a/sysdeps/ieee754/flt-32/s_roundevenf.c b/sysdeps/ieee754/flt-32/s_roundevenf.c
> > index ae54365bbe..2cc0d7b001 100644
> > --- a/sysdeps/ieee754/flt-32/s_roundevenf.c
> > +++ b/sysdeps/ieee754/flt-32/s_roundevenf.c
> > @@ -17,6 +17,7 @@
> >     License along with the GNU C Library; if not, see
> >     <https://www.gnu.org/licenses/>.  */
> >
> > +#define NO_MATH_REDIRECT
> >  #include <math.h>
> >  #include <math_private.h>
> >  #include <libm-alias-float.h>
> > @@ -67,4 +68,6 @@ __roundevenf (float x)
> >    SET_FLOAT_WORD (x, ix);
> >    return x;
> >  }
> > +#ifndef __roundevenf
> >  libm_alias_float (__roundeven, roundeven)
> > +#endif
> > diff --git a/sysdeps/ieee754/ldbl-128/s_roundevenl.c b/sysdeps/ieee754/ldbl-128/s_roundevenl.c
> > index 02765be0e0..7c9c11fad2 100644
> > --- a/sysdeps/ieee754/ldbl-128/s_roundevenl.c
> > +++ b/sysdeps/ieee754/ldbl-128/s_roundevenl.c
> > @@ -17,6 +17,7 @@
> >     License along with the GNU C Library; if not, see
> >     <https://www.gnu.org/licenses/>.  */
> >
> > +#define NO_MATH_REDIRECT
> >  #include <math.h>
> >  #include <math_private.h>
> >  #include <libm-alias-ldouble.h>
> > diff --git a/sysdeps/ieee754/ldbl-96/s_roundevenl.c b/sysdeps/ieee754/ldbl-96/s_roundevenl.c
> > index 8340116ed8..f826829c31 100644
> > --- a/sysdeps/ieee754/ldbl-96/s_roundevenl.c
> > +++ b/sysdeps/ieee754/ldbl-96/s_roundevenl.c
> > @@ -17,6 +17,7 @@
> >     License along with the GNU C Library; if not, see
> >     <https://www.gnu.org/licenses/>.  */
> >
> > +#define NO_MATH_REDIRECT
> >  #include <math.h>
> >  #include <math_private.h>
> >  #include <libm-alias-ldouble.h>
> > --
> > 2.31.1
> >
>
> LGTM.
>
> Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
>

I tried it with scripts/build-many-glibcs.py.  It failed with targets using:

sysdeps/ieee754/ldbl-128ibm/s_roundevenl.c
sysdeps/aarch64/fpu/s_roundevenf.c
sysdeps/aarch64/fpu/s_roundeven.c
sysdeps/riscv/rv64/rvd/s_roundeven.c
sysdeps/riscv/rvf/s_roundevenf.c
diff mbox series

Patch

diff --git a/include/math.h b/include/math.h
index e1c2a4eb64..b4772d3d3b 100644
--- a/include/math.h
+++ b/include/math.h
@@ -38,7 +38,6 @@  libm_hidden_proto (__issignaling)
 libm_hidden_proto (__issignalingf)
 libm_hidden_proto (__exp)
 libm_hidden_proto (__expf)
-libm_hidden_proto (__roundeven)
 
 #  if !defined __NO_LONG_DOUBLE_MATH \
       && __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 0
@@ -159,6 +158,7 @@  fabsf128 (_Float128 x)
 MATH_REDIRECT (sqrt, "__ieee754_", MATH_REDIRECT_UNARY_ARGS)
 MATH_REDIRECT (ceil, "__", MATH_REDIRECT_UNARY_ARGS)
 MATH_REDIRECT (floor, "__", MATH_REDIRECT_UNARY_ARGS)
+MATH_REDIRECT (roundeven, "__", MATH_REDIRECT_UNARY_ARGS)
 MATH_REDIRECT (rint, "__", MATH_REDIRECT_UNARY_ARGS)
 MATH_REDIRECT (trunc, "__", MATH_REDIRECT_UNARY_ARGS)
 MATH_REDIRECT (round, "__", MATH_REDIRECT_UNARY_ARGS)
diff --git a/sysdeps/ieee754/dbl-64/s_roundeven.c b/sysdeps/ieee754/dbl-64/s_roundeven.c
index 943b2c634c..5deff3bb8a 100644
--- a/sysdeps/ieee754/dbl-64/s_roundeven.c
+++ b/sysdeps/ieee754/dbl-64/s_roundeven.c
@@ -16,6 +16,7 @@ 
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
+#define NO_MATH_REDIRECT
 #include <math.h>
 #include <math_private.h>
 #include <libm-alias-double.h>
@@ -66,5 +67,6 @@  __roundeven (double x)
   INSERT_WORDS64 (x, ix);
   return x;
 }
-hidden_def (__roundeven)
+#ifndef __roundeven
 libm_alias_double (__roundeven, roundeven)
+#endif
diff --git a/sysdeps/ieee754/float128/s_roundevenf128.c b/sysdeps/ieee754/float128/s_roundevenf128.c
index 5a9b3f395f..e0faf727f6 100644
--- a/sysdeps/ieee754/float128/s_roundevenf128.c
+++ b/sysdeps/ieee754/float128/s_roundevenf128.c
@@ -1,2 +1,3 @@ 
+#define NO_MATH_REDIRECT
 #include <float128_private.h>
 #include "../ldbl-128/s_roundevenl.c"
diff --git a/sysdeps/ieee754/flt-32/s_roundevenf.c b/sysdeps/ieee754/flt-32/s_roundevenf.c
index ae54365bbe..2cc0d7b001 100644
--- a/sysdeps/ieee754/flt-32/s_roundevenf.c
+++ b/sysdeps/ieee754/flt-32/s_roundevenf.c
@@ -17,6 +17,7 @@ 
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
+#define NO_MATH_REDIRECT
 #include <math.h>
 #include <math_private.h>
 #include <libm-alias-float.h>
@@ -67,4 +68,6 @@  __roundevenf (float x)
   SET_FLOAT_WORD (x, ix);
   return x;
 }
+#ifndef __roundevenf
 libm_alias_float (__roundeven, roundeven)
+#endif
diff --git a/sysdeps/ieee754/ldbl-128/s_roundevenl.c b/sysdeps/ieee754/ldbl-128/s_roundevenl.c
index 02765be0e0..7c9c11fad2 100644
--- a/sysdeps/ieee754/ldbl-128/s_roundevenl.c
+++ b/sysdeps/ieee754/ldbl-128/s_roundevenl.c
@@ -17,6 +17,7 @@ 
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
+#define NO_MATH_REDIRECT
 #include <math.h>
 #include <math_private.h>
 #include <libm-alias-ldouble.h>
diff --git a/sysdeps/ieee754/ldbl-96/s_roundevenl.c b/sysdeps/ieee754/ldbl-96/s_roundevenl.c
index 8340116ed8..f826829c31 100644
--- a/sysdeps/ieee754/ldbl-96/s_roundevenl.c
+++ b/sysdeps/ieee754/ldbl-96/s_roundevenl.c
@@ -17,6 +17,7 @@ 
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
+#define NO_MATH_REDIRECT
 #include <math.h>
 #include <math_private.h>
 #include <libm-alias-ldouble.h>