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update to glibc-2.28-151.el8.src.rpm

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Signed-off-by: Liwei Ge <geliwei@openanolis.org>
This commit is contained in:
Liwei Ge 2021-06-16 16:09:23 +08:00
parent ba6a26df65
commit 37da1d0798
284 changed files with 62546 additions and 13 deletions
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70
glibc-rh1780204-24.patch Normal file
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@ -0,0 +1,70 @@
From 33f3c934e3023b85c3774ee0482ec4da2a10a3b5 Mon Sep 17 00:00:00 2001
From: Stefan Liebler <stli@linux.ibm.com>
Date: Wed, 11 Dec 2019 15:09:32 +0100
Subject: [PATCH 24/28] S390: Implement math-barriers math_opt_barrier and
math_force_eval.
This patch implements the s390 specific math barriers in order
to omit the store and load from stack if possible.
(cherry picked from commit 433a2ba68cd91842546e0f0d43d65835634d570d)
---
sysdeps/s390/fpu/math-barriers.h | 46 ++++++++++++++++++++++++++++++++
1 file changed, 46 insertions(+)
create mode 100644 sysdeps/s390/fpu/math-barriers.h
diff --git a/sysdeps/s390/fpu/math-barriers.h b/sysdeps/s390/fpu/math-barriers.h
new file mode 100644
index 0000000000..7c3e6b15e0
--- /dev/null
+++ b/sysdeps/s390/fpu/math-barriers.h
@@ -0,0 +1,46 @@
+/* Control when floating-point expressions are evaluated. s390 version.
+ Copyright (C) 2019 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
+
+#ifndef S390_MATH_BARRIERS_H
+#define S390_MATH_BARRIERS_H 1
+
+#ifdef HAVE_S390_VX_GCC_SUPPORT
+# define ASM_CONSTRAINT_VR "v"
+#else
+# define ASM_CONSTRAINT_VR
+#endif
+
+#define math_opt_barrier(x) \
+ ({ __typeof (x) __x = (x); \
+ if (__builtin_types_compatible_p (__typeof (x), _Float128)) \
+ __asm__ ("# math_opt_barrier_f128 %0" : "+fm" (__x)); \
+ else \
+ __asm__ ("# math_opt_barrier %0" \
+ : "+f" ASM_CONSTRAINT_VR "m" (__x)); \
+ __x; })
+#define math_force_eval(x) \
+ ({ __typeof (x) __x = (x); \
+ if (__builtin_types_compatible_p (__typeof (x), _Float128)) \
+ __asm__ __volatile__ ("# math_force_eval_f128 %0" \
+ : : "fm" (__x)); \
+ else \
+ __asm__ __volatile__ ("# math_force_eval %0" \
+ : : "f" ASM_CONSTRAINT_VR "m" (__x)); \
+ })
+
+#endif
--
2.18.2