1 files changed, 59 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc64/power5+/fpu/s_llround.S b/sysdeps/powerpc/powerpc64/power5+/fpu/s_llround.S
new file mode 100644
index 0000000000..6a022769f4
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/power5+/fpu/s_llround.S
@@ -0,0 +1,59 @@
+/* llround function.  POWER5+, PowerPC64 version.
+   Copyright (C) 2006 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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <sysdep.h>
+#include <math_ldbl_opt.h>
+	
+/* long long [r3] llround (float x [fp1])
+   IEEE 1003.1 llround function.  IEEE specifies "round to the nearest 
+   integer value, rounding halfway cases away from zero, regardless of
+   the current rounding mode."  However PowerPC Architecture defines
+   "round to Nearest" as "Choose the best approximation. In case of a 
+   tie, choose the one that is even (least significant bit o).". 
+   So we pre-round using the V2.02 Floating Round to Integer Nearest
+   instruction before we use Floating Convert to Integer Word with
+   round to zero instruction.  */
+
+	.machine	"power5"
+EALIGN (__llround, 4, 0)
+	CALL_MCOUNT 0
+	frin	fp2, fp1	/* Round to nearest +-0.5.  */	
+	fctidz	fp3, fp2	/* Convert To Integer DW round toward 0.  */
+	stfd	fp3, -16(r1)
+	nop	/* Insure the following load is in a different dispatch group */
+	nop	/* to avoid pipe stall on POWER4&5.  */
+	nop
+	ld	r3, -16(r1)
+	blr
+	END (__llround)
+
+strong_alias (__llround, __lround)
+weak_alias (__llround, llround)
+weak_alias (__lround, lround)
+
+#ifdef NO_LONG_DOUBLE
+weak_alias (__llround, llroundl)
+strong_alias (__llround, __llroundl)
+weak_alias (__lround, lroundl)
+strong_alias (__lround, __lroundl)
+#endif
+#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
+compat_symbol (libm, __llround, llroundl, GLIBC_2_1)
+compat_symbol (libm, __lround, lroundl, GLIBC_2_1)
+#endif