zyppe/anolis-glibc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

update to glibc-2.28-164.el8

Browse source 
Signed-off-by: Renbo <rb01097748@alibaba-inc.com>
This commit is contained in:
Renbo 2021-12-14 15:55:28 +08:00
parent 37da1d0798
commit 6f9710a43d
40 changed files with 6199 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

64
glibc-rh1956357-2.patch Normal file
View file

@ -0,0 +1,64 @@
commit a7d88506c260e7a0e4268803e76fc19e38ed041f
Author: Raphael Moreira Zinsly <rzinsly@linux.ibm.com>
Date: Thu Feb 25 09:58:52 2021 -0300
powerpc: Add optimized llogb* for POWER9
The POWER9 builtins used to improve the ilogb* functions can be
used in the llogb* functions as well.
diff --git a/sysdeps/powerpc/powerpc64/le/fpu/w_llogb_template.c b/sysdeps/powerpc/powerpc64/le/fpu/w_llogb_template.c
new file mode 100644
index 0000000000000000..d00b71d2a34e28da
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/le/fpu/w_llogb_template.c
@@ -0,0 +1,39 @@
+#include <math.h>
+#include <errno.h>
+#include <limits.h>
+#include <math_private.h>
+#include <fenv.h>
+
+#if _GL_HAS_BUILTIN_ILOGB
+long int
+M_DECL_FUNC (__llogb) (FLOAT x)
+{
+ int r;
+ /* Check for exceptional cases. */
+ if (! M_SUF(__builtin_test_dc_ilogb) (x, 0x7f))
+ r = M_SUF (__builtin_ilogb) (x);
+ else
+ /* Fallback to the generic ilogb if x is NaN, Inf or subnormal. */
+ r = M_SUF (__ieee754_ilogb) (x);
+ long int lr = r;
+ if (__glibc_unlikely (r == FP_ILOGB0)
+ || __glibc_unlikely (r == FP_ILOGBNAN)
+ || __glibc_unlikely (r == INT_MAX))
+ {
+#if LONG_MAX != INT_MAX
+ if (r == FP_ILOGB0)
+ lr = FP_LLOGB0;
+ else if (r == FP_ILOGBNAN)
+ lr = FP_LLOGBNAN;
+ else
+ lr = LONG_MAX;
+#endif
+ __set_errno (EDOM);
+ __feraiseexcept (FE_INVALID);
+ }
+ return lr;
+}
+declare_mgen_alias (__llogb, llogb)
+#else
+#include <math/w_llogb_template.c>
+#endif
diff --git a/sysdeps/powerpc/powerpc64/le/fpu/w_llogbl.c b/sysdeps/powerpc/powerpc64/le/fpu/w_llogbl.c
new file mode 100644
index 0000000000000000..69477a37ae82c476
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/le/fpu/w_llogbl.c
@@ -0,0 +1,4 @@
+/* Skip the optimization for long double as ibm128 does not provide an
+ optimized builtin. */
+#include <math-type-macros-ldouble.h>
+#include <math/w_llogb_template.c>