Add sparc optimized {l,}rint{,f} for 32-bit v9 and 64-bit.

	* sysdeps/sparc/sparc32/sparcv9/fpu/s_llrint.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/s_llrintf.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/s_lrint.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/s_lrintf.S: New file.
	* sysdeps/sparc/sparc64/fpu/s_llrint.S: New file.
	* sysdeps/sparc/sparc64/fpu/s_llrintf.S: New file.
	* sysdeps/sparc/sparc64/fpu/s_lrint.S: New file.
	* sysdeps/sparc/sparc64/fpu/s_lrintf.S: New file.

4 files changed, 127 insertions, 0 deletions

diff --git a/sysdeps/sparc/sparc64/fpu/s_llrint.S b/sysdeps/sparc/sparc64/fpu/s_llrint.S
new file mode 100644
index 0000000000..7c8e941b77
--- /dev/null
+++ b/sysdeps/sparc/sparc64/fpu/s_llrint.S
@@ -0,0 +1 @@
+/* llrint is implemented in s_lrint.S */
diff --git a/sysdeps/sparc/sparc64/fpu/s_llrintf.S b/sysdeps/sparc/sparc64/fpu/s_llrintf.S
new file mode 100644
index 0000000000..abab3b9a2b
--- /dev/null
+++ b/sysdeps/sparc/sparc64/fpu/s_llrintf.S
@@ -0,0 +1 @@
+/* llrintf is implemented in s_lrint.S */
diff --git a/sysdeps/sparc/sparc64/fpu/s_lrint.S b/sysdeps/sparc/sparc64/fpu/s_lrint.S
new file mode 100644
index 0000000000..6bf56e4d06
--- /dev/null
+++ b/sysdeps/sparc/sparc64/fpu/s_lrint.S
@@ -0,0 +1,63 @@
+/* lrint(), sparc64 version.
+   Copyright (C) 2012 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David S. Miller <davem@davemloft.net>, 2012.
+
+   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>
+
+	/* We pop constants into the FPU registers using the incoming
+	   argument stack slots, since this avoid having to use any PIC
+	   references.  We also thus avoid having to allocate a register
+	   window.
+
+	   VIS instructions are used to facilitate the formation of
+	   easier constants, and the propagation of the sign bit.  */
+
+#define TWO_FIFTYTWO	0x43300000		/* 2**52 */
+
+#define ZERO		%f10			/* 0.0 */
+#define SIGN_BIT	%f12			/* -0.0 */
+
+ENTRY (__lrint)
+	sethi	%hi(TWO_FIFTYTWO), %o2
+	sllx	%o2, 32, %o2
+	fzero	ZERO
+
+	fnegd	ZERO, SIGN_BIT
+	stx	%o2, [%sp + STACK_BIAS + 128]
+	fabsd	%f0, %f14
+
+	ldd	[%sp + STACK_BIAS + 128], %f16
+	fcmpd	%fcc3, %f14, %f16
+
+	fmovduge %fcc3, ZERO, %f16
+	fand	%f0, SIGN_BIT, SIGN_BIT
+
+	for	%f16, SIGN_BIT, %f16
+	faddd	%f0, %f16, %f6
+	fsubd	%f6, %f16, %f0
+	fabsd	%f0, %f0
+	for	%f0, SIGN_BIT, %f0
+	fdtox	%f0, %f4
+	std	%f4, [%sp + STACK_BIAS + 128]
+	retl
+	 ldx	[%sp + STACK_BIAS + 128], %o0
+END (__lrint)
+weak_alias (__lrint, lrint)
+
+strong_alias (__lrint, __llrint)
+weak_alias (__llrint, llrint)
diff --git a/sysdeps/sparc/sparc64/fpu/s_lrintf.S b/sysdeps/sparc/sparc64/fpu/s_lrintf.S
new file mode 100644
index 0000000000..2f2938b985
--- /dev/null
+++ b/sysdeps/sparc/sparc64/fpu/s_lrintf.S
@@ -0,0 +1,62 @@
+/* lrintf(), sparc64 version.
+   Copyright (C) 2012 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David S. Miller <davem@davemloft.net>, 2012.
+
+   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>
+
+	/* We pop constants into the FPU registers using the incoming
+	   argument stack slots, since this avoid having to use any PIC
+	   references.  We also thus avoid having to allocate a register
+	   window.
+
+	   VIS instructions are used to facilitate the formation of
+	   easier constants, and the propagation of the sign bit.  */
+
+#define TWO_TWENTYTHREE	0x4b000000		/* 2**23 */
+
+#define ZERO		%f10			/* 0.0 */
+#define SIGN_BIT	%f12			/* -0.0 */
+
+ENTRY (__lrintf)
+	sethi	%hi(TWO_TWENTYTHREE), %o2
+	fzeros	ZERO
+
+	fnegs	ZERO, SIGN_BIT
+	st	%o2, [%sp + STACK_BIAS + 128]
+	fabss	%f1, %f14
+
+	ld	[%sp + STACK_BIAS + 128], %f16
+	fcmps	%fcc3, %f14, %f16
+
+	fmovsuge %fcc3, ZERO, %f16
+	fands	%f1, SIGN_BIT, SIGN_BIT
+
+	fors	%f16, SIGN_BIT, %f16
+	fadds	%f1, %f16, %f5
+	fsubs	%f5, %f16, %f0
+	fabss	%f0, %f0
+	fors	%f0, SIGN_BIT, %f0
+	fstox	%f0, %f4
+	std	%f4, [%sp + STACK_BIAS + 128]
+	retl
+	 ldx	[%sp + STACK_BIAS + 128], %o0
+END (__lrintf)
+weak_alias (__lrintf, lrintf)
+
+strong_alias (__lrintf, __llrintf)
+weak_alias (__llrintf, llrintf)