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

Signed-off-by: Liwei Ge <geliwei@openanolis.org>
2021-06-16 16:09:23 +08:00 · 2021-06-16 16:09:23 +08:00 · 37da1d0798
commit 37da1d0798
parent ba6a26df65
284 changed files with 62546 additions and 13 deletions
--- a/glibc-rh1783303-2.patch
+++ b/glibc-rh1783303-2.patch
@ -0,0 +1,105 @@
+commit de751ebc9efa97ce0115e42bd55fa1beeb614380
+Author: Paul A. Clarke <pc@us.ibm.com>
+Date:   Fri Mar 15 19:04:24 2019 -0400
+
+    [powerpc] get_rounding_mode: utilize faster method to get rounding mode
+    
+    Add support to use 'mffsl' instruction if compiled for POWER9 (or later).
+    
+    Also, mask the result to avoid bleeding unrelated bits into the result of
+    _FPU_GET_RC().
+    
+    Reviewed-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
+
+diff --git a/sysdeps/powerpc/fpu/get-rounding-mode.h b/sysdeps/powerpc/fpu/get-rounding-mode.h
+new file mode 100644
+index 0000000000000000..e2fdbbbcce72bd66
+--- /dev/null
+++ b/sysdeps/powerpc/fpu/get-rounding-mode.h
+@@ -0,0 +1,33 @@
+/* Determine floating-point rounding mode within libc.  powerpc64 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
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _POWERPC64_GET_ROUNDING_MODE_H
+#define _POWERPC64_GET_ROUNDING_MODE_H	1
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+/* Return the floating-point rounding mode.  */
+
+static inline int
+get_rounding_mode (void)
+{
+  return _FPU_GET_RC ();
+}
+
+#endif /* get-rounding-mode.h */
+diff --git a/sysdeps/powerpc/fpu_control.h b/sysdeps/powerpc/fpu_control.h
+index 9d0698b4fc3eb595..62c478d72ae660cb 100644
+--- a/sysdeps/powerpc/fpu_control.h
+++ b/sysdeps/powerpc/fpu_control.h
+@@ -71,6 +71,8 @@ extern fpu_control_t __fpu_control;
+ # define _FPU_RC_UP      0x02
+ # define _FPU_RC_ZERO    0x01
+ 
+# define _FPU_MASK_RC (_FPU_RC_NEAREST|_FPU_RC_DOWN|_FPU_RC_UP|_FPU_RC_ZERO)
+
+ # define _FPU_MASK_NI  0x04 /* non-ieee mode */
+ 
+ /* masking of interrupts */
+@@ -94,15 +96,36 @@ extern fpu_control_t __fpu_control;
+ typedef unsigned int fpu_control_t;
+ 
+ /* Macros for accessing the hardware control word.  */
+# define __FPU_MFFS()						\
+  ({register double __fr;					\
+    __asm__ ("mffs %0" : "=f" (__fr));				\
+    __fr;							\
+  })
+
+ # define _FPU_GETCW(cw)						\
+   ({union { double __d; unsigned long long __ll; } __u;		\
+-    register double __fr;					\
+-    __asm__ ("mffs %0" : "=f" (__fr));				\
+-    __u.__d = __fr;						\
+    __u.__d = __FPU_MFFS();					\
+     (cw) = (fpu_control_t) __u.__ll;				\
+     (fpu_control_t) __u.__ll;					\
+   })
+ 
+#ifdef _ARCH_PWR9
+# define __FPU_MFFSL()						\
+  ({register double __fr;					\
+    __asm__ ("mffsl %0" : "=f" (__fr));				\
+    __fr;							\
+  })
+#else
+# define __FPU_MFFSL() __FPU_MFFS()
+#endif
+    
+# define _FPU_GET_RC()						\
+  ({union { double __d; unsigned long long __ll; } __u;		\
+    __u.__d = __FPU_MFFSL();					\
+    __u.__ll &= _FPU_MASK_RC;					\
+    (fpu_control_t) __u.__ll;					\
+  })
+
+ # define _FPU_SETCW(cw)						\
+   { union { double __d; unsigned long long __ll; } __u;		\
+     register double __fr;					\