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From 9682778522977444546c061170912da902635a4e Mon Sep 17 00:00:00 2001
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From: Shen-Ta Hsieh <ibmibmibm.tw@gmail.com>
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Date: Mon, 24 May 2021 09:43:10 +0800
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Subject: [PATCH] math: redirect roundeven function
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This patch redirect roundeven function for futhermore changes.
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Signed-off-by: Shen-Ta Hsieh <ibmibmibm.tw@gmail.com>
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Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
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(cherry picked from commit 447954a206837b5f153869cfeeeab44631c3fac9)
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---
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include/math.h | 3 ++-
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sysdeps/ieee754/dbl-64/s_roundeven.c | 4 +++-
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sysdeps/ieee754/float128/s_roundevenf128.c | 1 +
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sysdeps/ieee754/flt-32/s_roundevenf.c | 3 +++
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sysdeps/ieee754/ldbl-128/s_roundevenl.c | 1 +
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sysdeps/ieee754/ldbl-96/s_roundevenl.c | 1 +
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6 files changed, 11 insertions(+), 2 deletions(-)
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diff --git a/include/math.h b/include/math.h
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index e21d34b8..1f9f9a54 100644
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--- a/include/math.h
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+++ b/include/math.h
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@@ -38,7 +38,6 @@ libm_hidden_proto (__issignaling)
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libm_hidden_proto (__issignalingf)
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libm_hidden_proto (__exp)
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libm_hidden_proto (__expf)
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-libm_hidden_proto (__roundeven)
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# ifndef __NO_LONG_DOUBLE_MATH
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libm_hidden_proto (__fpclassifyl)
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@@ -56,6 +55,8 @@ libm_hidden_proto (__expm1f128)
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# if !(defined __FINITE_MATH_ONLY__ && __FINITE_MATH_ONLY__ > 0)
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# ifndef NO_MATH_REDIRECT
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+float (roundevenf) (float) asm ("__roundevenf");
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+double (roundeven) (double) asm ("__roundeven");
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/* Declare sqrt for use within GLIBC. Compilers typically inline sqrt as a
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single instruction. Use an asm to avoid use of PLTs if it doesn't. */
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float (sqrtf) (float) asm ("__ieee754_sqrtf");
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diff --git a/sysdeps/ieee754/dbl-64/s_roundeven.c b/sysdeps/ieee754/dbl-64/s_roundeven.c
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index 1438e81d..61962184 100644
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--- a/sysdeps/ieee754/dbl-64/s_roundeven.c
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+++ b/sysdeps/ieee754/dbl-64/s_roundeven.c
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@@ -17,6 +17,7 @@
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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+#define NO_MATH_REDIRECT
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#include <math.h>
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#include <math_private.h>
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#include <libm-alias-double.h>
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@@ -101,5 +102,6 @@ __roundeven (double x)
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INSERT_WORDS (x, hx, lx);
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return x;
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}
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-hidden_def (__roundeven)
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+#ifndef __roundeven
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libm_alias_double (__roundeven, roundeven)
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+#endif
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diff --git a/sysdeps/ieee754/float128/s_roundevenf128.c b/sysdeps/ieee754/float128/s_roundevenf128.c
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index 5a9b3f39..e0faf727 100644
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--- a/sysdeps/ieee754/float128/s_roundevenf128.c
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+++ b/sysdeps/ieee754/float128/s_roundevenf128.c
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@@ -1,2 +1,3 @@
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+#define NO_MATH_REDIRECT
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#include <float128_private.h>
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#include "../ldbl-128/s_roundevenl.c"
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diff --git a/sysdeps/ieee754/flt-32/s_roundevenf.c b/sysdeps/ieee754/flt-32/s_roundevenf.c
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index 90f991d5..a661875e 100644
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--- a/sysdeps/ieee754/flt-32/s_roundevenf.c
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+++ b/sysdeps/ieee754/flt-32/s_roundevenf.c
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@@ -17,6 +17,7 @@
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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+#define NO_MATH_REDIRECT
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#include <math.h>
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#include <math_private.h>
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#include <libm-alias-float.h>
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@@ -67,4 +68,6 @@ __roundevenf (float x)
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SET_FLOAT_WORD (x, ix);
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return x;
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}
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+#ifndef __roundevenf
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libm_alias_float (__roundeven, roundeven)
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+#endif
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diff --git a/sysdeps/ieee754/ldbl-128/s_roundevenl.c b/sysdeps/ieee754/ldbl-128/s_roundevenl.c
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index 5fc59af4..b9375b6c 100644
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--- a/sysdeps/ieee754/ldbl-128/s_roundevenl.c
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+++ b/sysdeps/ieee754/ldbl-128/s_roundevenl.c
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@@ -17,6 +17,7 @@
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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+#define NO_MATH_REDIRECT
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#include <math.h>
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#include <math_private.h>
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#include <libm-alias-ldouble.h>
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diff --git a/sysdeps/ieee754/ldbl-96/s_roundevenl.c b/sysdeps/ieee754/ldbl-96/s_roundevenl.c
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index be2e4fa4..65031ab7 100644
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--- a/sysdeps/ieee754/ldbl-96/s_roundevenl.c
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+++ b/sysdeps/ieee754/ldbl-96/s_roundevenl.c
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@@ -17,6 +17,7 @@
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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+#define NO_MATH_REDIRECT
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#include <math.h>
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#include <math_private.h>
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#include <libm-alias-ldouble.h>
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--
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GitLab
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