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authorDavid S. Miller <davem@davemloft.net>2012-03-01 22:14:35 -0800
committerDavid S. Miller <davem@davemloft.net>2012-03-01 22:14:35 -0800
commit759707dee3a862e9e3935a8c20eaf93b2f1f01af (patch)
tree0a689a6466a4997d0f8ace8a9699214bd4545d96 /sysdeps/sparc
parentdfdb8ff2998cfcaf3c8978f522c061fe8a68fe68 (diff)
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Optimized 64-bit sparc assembler for finite{,f} and isinf{,f}.
* sysdeps/sparc/sparc64/fpu/s_finite.S: New file. * sysdeps/sparc/sparc64/fpu/s_finitef.S: New file. * sysdeps/sparc/sparc64/fpu/s_isinf.S: New file. * sysdeps/sparc/sparc64/fpu/s_isinff.S: New file.
Diffstat (limited to 'sysdeps/sparc')
-rw-r--r--sysdeps/sparc/sparc64/fpu/s_finite.S31
-rw-r--r--sysdeps/sparc/sparc64/fpu/s_finitef.S31
-rw-r--r--sysdeps/sparc/sparc64/fpu/s_isinf.S34
-rw-r--r--sysdeps/sparc/sparc64/fpu/s_isinff.S33
4 files changed, 129 insertions, 0 deletions
diff --git a/sysdeps/sparc/sparc64/fpu/s_finite.S b/sysdeps/sparc/sparc64/fpu/s_finite.S
new file mode 100644
index 0000000000..f93297e27b
--- /dev/null
+++ b/sysdeps/sparc/sparc64/fpu/s_finite.S
@@ -0,0 +1,31 @@
+/* finite(). sparc64 version.
+ Copyright (C) 2012 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 <sysdep.h>
+
+ENTRY (__finite)
+ fabsd %f0, %f0
+ st %f0, [%sp + STACK_BIAS + 128]
+ sethi %hi(0x7ff00000), %o2
+ ld [%sp + STACK_BIAS + 128], %o0
+ sub %o0, %o2, %o0
+ retl
+ srl %o0, 31, %o0
+END (__finite)
+hidden_def (__finite)
+weak_alias (__finite, finite)
diff --git a/sysdeps/sparc/sparc64/fpu/s_finitef.S b/sysdeps/sparc/sparc64/fpu/s_finitef.S
new file mode 100644
index 0000000000..2ebac99b34
--- /dev/null
+++ b/sysdeps/sparc/sparc64/fpu/s_finitef.S
@@ -0,0 +1,31 @@
+/* finitef(). sparc64 version.
+ Copyright (C) 2012 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 <sysdep.h>
+
+ENTRY (__finitef)
+ fabss %f1, %f0
+ st %f0, [%sp + STACK_BIAS + 128]
+ sethi %hi(0x7f800000), %o2
+ ld [%sp + STACK_BIAS + 128], %o0
+ sub %o0, %o2, %o0
+ retl
+ srl %o0, 31, %o0
+END (__finitef)
+hidden_def (__finitef)
+weak_alias (__finitef, finitef)
diff --git a/sysdeps/sparc/sparc64/fpu/s_isinf.S b/sysdeps/sparc/sparc64/fpu/s_isinf.S
new file mode 100644
index 0000000000..20b54c0e1d
--- /dev/null
+++ b/sysdeps/sparc/sparc64/fpu/s_isinf.S
@@ -0,0 +1,34 @@
+/* isinf(). sparc64 version.
+ Copyright (C) 2012 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 <sysdep.h>
+
+ENTRY (__isinf)
+ std %f0, [%sp + STACK_BIAS + 128]
+ sethi %hi(0x7ff00000), %o2
+ ldx [%sp + STACK_BIAS + 128], %g1
+ sllx %o2, 32, %o2
+ sllx %g1, 1, %o4
+ srlx %o4, 1, %o5
+ srax %g1, 62, %o0
+ xor %o5, %o2, %o3
+ retl
+ movrne %o3, %g0, %o0
+END (__isinf)
+hidden_def (__isinf)
+weak_alias (__isinf, isinf)
diff --git a/sysdeps/sparc/sparc64/fpu/s_isinff.S b/sysdeps/sparc/sparc64/fpu/s_isinff.S
new file mode 100644
index 0000000000..302ff8dba5
--- /dev/null
+++ b/sysdeps/sparc/sparc64/fpu/s_isinff.S
@@ -0,0 +1,33 @@
+/* isinff(). sparc64 version.
+ Copyright (C) 2012 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 <sysdep.h>
+
+ENTRY (__isinff)
+ st %f1, [%sp + STACK_BIAS + 128]
+ sethi %hi(0x7f800000), %o2
+ lduw [%sp + STACK_BIAS + 128], %g1
+ sll %g1, 1, %o4
+ srl %o4, 1, %o5
+ sra %g1, 30, %o0
+ xor %o5, %o2, %o3
+ retl
+ movrne %o3, %g0, %o0
+END (__isinff)
+hidden_def (__isinff)
+weak_alias (__isinff, isinff)