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

import glibc-2.17-292.el7.src.rpm

Browse source 
Signed-off-by: zhangbinchen <zhangbinchen@openanolis.org>
This commit is contained in:
zhangbinchen 2021-08-21 12:40:25 +08:00
commit ff0128648f
929 changed files with 436800 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

72
glibc-rh1302086-3.patch Normal file
View file

@ -0,0 +1,72 @@
commit bc93ab2946efe008bb0ce2d4d3c212bd01384fca
Author: Ian Bolton <ian.bolton@arm.com>
Date: Wed Apr 16 23:41:04 2014 +0100
[AArch64] Define HAVE_RM_CTX and related hooks.
diff --git a/ports/sysdeps/aarch64/fpu/math_private.h b/ports/sysdeps/aarch64/fpu/math_private.h
index dbf203d..7424952 100644
--- a/ports/sysdeps/aarch64/fpu/math_private.h
+++ b/ports/sysdeps/aarch64/fpu/math_private.h
@@ -209,6 +209,61 @@ libc_feresetround_aarch64 (fenv_t *envp)
#define libc_feresetroundf libc_feresetround_aarch64
#define libc_feresetroundl libc_feresetround_aarch64
+/* We have support for rounding mode context. */
+#define HAVE_RM_CTX 1
+
+static __always_inline void
+libc_feholdsetround_aarch64_ctx (struct rm_ctx *ctx, int r)
+{
+ fpu_control_t fpcr, fpsr, round;
+
+ _FPU_GETCW (fpcr);
+ _FPU_GETFPSR (fpsr);
+ ctx->env.__fpsr = fpsr;
+
+ /* Check whether rounding modes are different. */
+ round = (fpcr ^ r) & FE_TOWARDZERO;
+ ctx->updated_status = round != 0;
+
+ /* Set the rounding mode if changed. */
+ if (__glibc_unlikely (round != 0))
+ {
+ ctx->env.__fpcr = fpcr;
+ _FPU_SETCW (fpcr ^ round);
+ }
+}
+
+#define libc_feholdsetround_ctx libc_feholdsetround_aarch64_ctx
+#define libc_feholdsetroundf_ctx libc_feholdsetround_aarch64_ctx
+#define libc_feholdsetroundl_ctx libc_feholdsetround_aarch64_ctx
+
+static __always_inline void
+libc_feresetround_aarch64_ctx (struct rm_ctx *ctx)
+{
+ /* Restore the rounding mode if updated. */
+ if (__glibc_unlikely (ctx->updated_status))
+ _FPU_SETCW (ctx->env.__fpcr);
+}
+
+#define libc_feresetround_ctx libc_feresetround_aarch64_ctx
+#define libc_feresetroundf_ctx libc_feresetround_aarch64_ctx
+#define libc_feresetroundl_ctx libc_feresetround_aarch64_ctx
+
+static __always_inline void
+libc_feresetround_noex_aarch64_ctx (struct rm_ctx *ctx)
+{
+ /* Restore the rounding mode if updated. */
+ if (__glibc_unlikely (ctx->updated_status))
+ _FPU_SETCW (ctx->env.__fpcr);
+
+ /* Write new FPSR to restore exception flags. */
+ _FPU_SETFPSR (ctx->env.__fpsr);
+}
+
+#define libc_feresetround_noex_ctx libc_feresetround_noex_aarch64_ctx
+#define libc_feresetround_noexf_ctx libc_feresetround_noex_aarch64_ctx
+#define libc_feresetround_noexl_ctx libc_feresetround_noex_aarch64_ctx
+
#include_next <math_private.h>
#endif