aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/aarch64
diff options
context:
space:
mode:
authorJoseph Myers <joseph@codesourcery.com>2016-09-07 16:41:20 +0000
committerJoseph Myers <joseph@codesourcery.com>2016-09-07 16:41:20 +0000
commit1396c647a9391c067fdeb6aa78c1c1f4ddc513bd (patch)
tree95e7f6b2b292b5d5feecfe1bb6848cc345d86fde /sysdeps/aarch64
parentec94343f592df68ba1ba49bb2c558f7d2629387c (diff)
downloadglibc-1396c647a9391c067fdeb6aa78c1c1f4ddc513bd.tar
glibc-1396c647a9391c067fdeb6aa78c1c1f4ddc513bd.tar.gz
glibc-1396c647a9391c067fdeb6aa78c1c1f4ddc513bd.tar.bz2
glibc-1396c647a9391c067fdeb6aa78c1c1f4ddc513bd.zip
Add femode_t functions: aarch64.
This patch adds AArch64 versions of fegetmode and fesetmode. Untested. * sysdeps/aarch64/fpu/fegetmode.c: New file. * sysdeps/aarch64/fpu/fesetmode.c: Likewise.
Diffstat (limited to 'sysdeps/aarch64')
-rw-r--r--sysdeps/aarch64/fpu/fegetmode.c27
-rw-r--r--sysdeps/aarch64/fpu/fesetmode.c34
2 files changed, 61 insertions, 0 deletions
diff --git a/sysdeps/aarch64/fpu/fegetmode.c b/sysdeps/aarch64/fpu/fegetmode.c
new file mode 100644
index 0000000000..7e76acf05d
--- /dev/null
+++ b/sysdeps/aarch64/fpu/fegetmode.c
@@ -0,0 +1,27 @@
+/* Store current floating-point control modes. AArch64 version.
+ Copyright (C) 2016 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/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+fegetmode (femode_t *modep)
+{
+ _FPU_GETCW (*modep);
+ return 0;
+}
diff --git a/sysdeps/aarch64/fpu/fesetmode.c b/sysdeps/aarch64/fpu/fesetmode.c
new file mode 100644
index 0000000000..d1b653ee07
--- /dev/null
+++ b/sysdeps/aarch64/fpu/fesetmode.c
@@ -0,0 +1,34 @@
+/* Install given floating-point control modes. AArch64 version.
+ Copyright (C) 2016 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/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+fesetmode (const femode_t *modep)
+{
+ fpu_control_t fpcr, fpcr_new;
+ _FPU_GETCW (fpcr);
+ if (modep == FE_DFL_MODE)
+ fpcr_new = (fpcr & _FPU_RESERVED) | _FPU_DEFAULT;
+ else
+ fpcr_new = *modep;
+ if (fpcr != fpcr_new)
+ _FPU_SETCW (fpcr_new);
+ return 0;
+}