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authorDavid S. Miller <davem@davemloft.net>2012-02-28 22:37:58 -0800
committerDavid S. Miller <davem@davemloft.net>2012-02-28 22:37:58 -0800
commit8847f0377003fbfe9cbe951ce9f8717d74f26247 (patch)
tree7dcf27e6b54b77fb9cb0253e7ece6499933858c1 /sysdeps/sparc/sparc64
parent169d7f11ad61038cefb242ff978684667a0b5c86 (diff)
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Add sparc optimized sqrt{,f}.
	* sysdeps/sparc/sparc32/fpu/w_sqrt.S: New file.
	* sysdeps/sparc/sparc32/fpu/w_sqrtf.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/w_sqrt.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/w_sqrtf.S: New file.
	* sysdeps/sparc/sparc64/fpu/w_sqrt.S: New file.
	* sysdeps/sparc/sparc64/fpu/w_sqrtf.S: New file.
Diffstat (limited to 'sysdeps/sparc/sparc64')
-rw-r--r--sysdeps/sparc/sparc64/fpu/w_sqrt.S54
-rw-r--r--sysdeps/sparc/sparc64/fpu/w_sqrtf.S54
2 files changed, 108 insertions, 0 deletions
diff --git a/sysdeps/sparc/sparc64/fpu/w_sqrt.S b/sysdeps/sparc/sparc64/fpu/w_sqrt.S
new file mode 100644
index 0000000000..11241a34b1
--- /dev/null
+++ b/sysdeps/sparc/sparc64/fpu/w_sqrt.S
@@ -0,0 +1,54 @@
+/* sqrt function.  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 (__sqrt)
+	fzero	%f8
+	fcmpd	%fcc2, %f0, %f8
+	fbl,pn	%fcc2, 1f
+	 nop
+8:	retl
+	 fsqrtd	%f0, %f0
+1:
+#ifdef SHARED
+	SETUP_PIC_REG_LEAF(o5, g1)
+#ifdef HAVE_BINUTILS_GOTDATA
+	sethi	%gdop_hix22(_LIB_VERSION), %g1
+	xor	%g1, %gdop_lox10(_LIB_VERSION), %g1
+	ldx	[%o5 + %g1], %g1, %gdop(_LIB_VERSION)
+#else
+	sethi	%hi(_LIB_VERSION), %g1
+	or	%g1, %lo(_LIB_VERSION), %g1
+	ldx	[%o5 + %g1], %g1
+#endif
+#else
+	sethi	%hi(_LIB_VERSION), %g1
+	or	%g1, %lo(_LIB_VERSION), %g1
+#endif
+	ld	[%g1], %g1
+	cmp	%g1, -1
+	be,pt	%icc, 8b
+	 fmovd	%f0, %f2
+	mov	26, %o2
+	mov	%o7, %g1
+	call	__kernel_standard
+	 mov	%g1, %o7
+END (__sqrt)
+
+weak_alias (__sqrt, sqrt)
diff --git a/sysdeps/sparc/sparc64/fpu/w_sqrtf.S b/sysdeps/sparc/sparc64/fpu/w_sqrtf.S
new file mode 100644
index 0000000000..9a5d556f36
--- /dev/null
+++ b/sysdeps/sparc/sparc64/fpu/w_sqrtf.S
@@ -0,0 +1,54 @@
+/* sqrtf function.  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 (__sqrtf)
+	fzeros	%f8
+	fcmps	%fcc2, %f1, %f8
+	fbl,pn	%fcc2, 1f
+	 nop
+8:	retl
+	 fsqrts	%f1, %f0
+1:
+#ifdef SHARED
+	SETUP_PIC_REG_LEAF(o5, g1)
+#ifdef HAVE_BINUTILS_GOTDATA
+	sethi	%gdop_hix22(_LIB_VERSION), %g1
+	xor	%g1, %gdop_lox10(_LIB_VERSION), %g1
+	ldx	[%o5 + %g1], %g1, %gdop(_LIB_VERSION)
+#else
+	sethi	%hi(_LIB_VERSION), %g1
+	or	%g1, %lo(_LIB_VERSION), %g1
+	ldx	[%o5 + %g1], %g1
+#endif
+#else
+	sethi	%hi(_LIB_VERSION), %g1
+	or	%g1, %lo(_LIB_VERSION), %g1
+#endif
+	ld	[%g1], %g1
+	cmp	%g1, -1
+	be,pt	%icc, 8b
+	 fmovs	%f1, %f3
+	mov	126, %o2
+	mov	%o7, %g1
+	call	__kernel_standard_f
+	 mov	%g1, %o7
+END (__sqrtf)
+
+weak_alias (__sqrtf, sqrtf)