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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2018-12-27 16:03:01 +0000
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2018-12-27 16:03:01 +0000
commit14970231a38310b9561052a67b617138eeaad300 (patch)
tree35c201a651afa5d5e4fff241280081b3f88b9c2c /sysdeps/sparc/sparc64/qp_feq.c
parentf08c7420b5e8b017a1a47b880a62b15bdc588f4d (diff)
parent25ead03a3712d57df2208fe82f3d316eb8faeaf6 (diff)
Merge commit 'refs/top-bases/t/extern_inline' into t/extern_inline
Diffstat (limited to 'sysdeps/sparc/sparc64/qp_feq.c')
-rw-r--r--sysdeps/sparc/sparc64/qp_feq.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/sysdeps/sparc/sparc64/qp_feq.c b/sysdeps/sparc/sparc64/qp_feq.c
new file mode 100644
index 0000000000..19d44a3612
--- /dev/null
+++ b/sysdeps/sparc/sparc64/qp_feq.c
@@ -0,0 +1,48 @@
+/* Software floating-point emulation.
+ Return 1 if (*a) == (*b)
+ Copyright (C) 1997-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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 "soft-fp.h"
+#include "quad.h"
+
+int _Qp_feq(const long double *a, const long double *b)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(B);
+ int r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_RAW_QP(A, a);
+ FP_UNPACK_RAW_QP(B, b);
+ FP_CMP_EQ_Q(r, A, B, 1);
+
+ QP_HANDLE_EXCEPTIONS(
+ __asm (
+" ldd [%0], %%f52\n"
+" ldd [%0+8], %%f54\n"
+" ldd [%1], %%f56\n"
+" ldd [%1+8], %%f58\n"
+" fcmpq %%fcc3, %%f52, %%f56\n"
+" " : : "r" (a), "r" (b) : QP_CLOBBER_CC);
+ _FPU_GETCW(_fcw);
+ r = ((_fcw >> 36) & 3));
+
+ return !r;
+}