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From: "H.J. Lu" <hjl.tools@gmail.com>
To: libc-alpha@sourceware.org
Cc: Shen-Ta Hsieh <ibmibmibm.tw@gmail.com>
Subject: [PATCH v8 1/4] math: redirect roundeven function
Date: Wed, 23 Jun 2021 15:28:43 -0700	[thread overview]
Message-ID: <20210623222846.2162301-2-hjl.tools@gmail.com> (raw)
In-Reply-To: <20210623222846.2162301-1-hjl.tools@gmail.com>

From: Shen-Ta Hsieh <ibmibmibm.tw@gmail.com>

This patch redirect roundeven function for futhermore changes.

Signed-off-by: Shen-Ta Hsieh <ibmibmibm.tw@gmail.com>
Reviewed-by: H.J. Lu <hjl.tools@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


  reply	other threads:[~2021-06-23 22:28 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-23 22:28 [PATCH v8 0/4] Improve " H.J. Lu
2021-06-23 22:28 ` H.J. Lu [this message]
2022-09-11 19:56   ` [PATCH v8 1/4] math: redirect " Sunil Pandey
2022-09-14  1:25     ` Noah Goldstein
2022-09-23 10:49       ` 謝昇達(Shen-Ta Hsieh)
2022-09-24  2:12         ` Sunil Pandey
2021-06-23 22:28 ` [PATCH v8 2/4] Update " H.J. Lu
2021-06-28  8:08   ` Andreas Schwab
2021-06-28  8:33     ` Stefan Liebler
2021-06-28 11:42       ` H.J. Lu
2021-06-29  7:14         ` Stefan Liebler
2021-06-23 22:28 ` [PATCH v8 3/4] x86_64: roundeven with sse4.1 support H.J. Lu
2022-04-28  0:11   ` Sunil Pandey
2022-09-11 20:08     ` Sunil Pandey
2022-09-14  1:25       ` Noah Goldstein
2022-09-23 10:50         ` 謝昇達(Shen-Ta Hsieh)
2021-06-23 22:28 ` [PATCH v8 4/4] Use GCC builtins for roundeven functions if desired H.J. Lu

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