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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
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')
-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)