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[PATCH] PPC64 smaller/faster rounding functions, 2


Roland McGrath writes:

> Please observe whitespace formatting conventions.

Done. Resubmitted.

2004-04-29  Steven Munroe  <sjmunroe@us.ibm.com>

	* sysdeps/powerpc/powerpc64/fpu/s_ceil.S: New file.
	* sysdeps/powerpc/powerpc64/fpu/s_ceilf.S: New file.
	* sysdeps/powerpc/powerpc64/fpu/s_floor.S: New file.
	* sysdeps/powerpc/powerpc64/fpu/s_floorf.S: New file.
	* sysdeps/powerpc/powerpc64/fpu/s_llrint.c: Removed.
	* sysdeps/powerpc/powerpc64/fpu/s_llrint.S: New file.
	* sysdeps/powerpc/powerpc64/fpu/s_llrintf.c: Removed.
	* sysdeps/powerpc/powerpc64/fpu/s_llrintf.S: New file.
	* sysdeps/powerpc/powerpc64/fpu/s_llround.S: New file.
	* sysdeps/powerpc/powerpc64/fpu/s_llroundf.S: New file.
	* sysdeps/powerpc/powerpc64/fpu/s_lround.S: New file.
	* sysdeps/powerpc/powerpc64/fpu/s_lroundf.S: New file.
	* sysdeps/powerpc/powerpc64/fpu/s_rint.S: New file.
	* sysdeps/powerpc/powerpc64/fpu/s_rintf.S: New file.
	* sysdeps/powerpc/powerpc64/fpu/s_round.S: New file.
	* sysdeps/powerpc/powerpc64/fpu/s_roundf.S: New file.
	* sysdeps/powerpc/powerpc64/fpu/s_trunc.S: New file.
	* sysdeps/powerpc/powerpc64/fpu/s_truncf.S: New file.


diff -urN libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_ceil.S libc23/sysdeps/powerpc/powerpc64/fpu/s_ceil.S
--- libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_ceil.S	Wed Dec 31 17:00:00 1969
+++ libc23/sysdeps/powerpc/powerpc64/fpu/s_ceil.S	Thu Apr 22 09:06:16 2004
@@ -0,0 +1,60 @@
+/* ceil function.  PowerPC64 version.
+   Copyright (C) 2004 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>
+
+	.section	".toc","aw"
+.LC0:	/* 2**52 */
+	.tc FD_43300000_0[TC],0x4330000000000000
+.LC1:	/* -0.0 */
+	.tc FD_80000000_0[TC],0x8000000000000000
+	.section	".text"
+
+ENTRY (__ceil)
+	mffs	fp11		/* Save current FPU rounding mode.  */
+	lfd	fp13,.LC0@toc(2)
+	fabs	fp0,fp1
+	fsub	fp12,fp13,fp13	/* generate 0.0  */
+	fcmpu	cr7,fp0,fp13	/* if (fabs(x) > TWO52)  */
+	fcmpu	cr6,fp1,fp12	/* if (x > 0.0)  */
+	bnllr-	cr7
+	mtfsfi	7,2		/* Set rounding mode toward +inf.  */
+	ble-	cr6,.L4
+	fadd	fp1,fp1,fp13	/* x+= TWO52;  */
+	fsub	fp1,fp1,fp13	/* x-= TWO52;  */
+.L9:	
+	mtfsf	0x01,fp11	/* restore previous rounding mode.  */
+	blr
+.L4:
+	bge-	cr6,.L9		/* if (x < 0.0)  */
+	fsub	fp1,fp1,fp13	/* x-= TWO52;  */
+	fadd	fp1,fp1,fp13	/* x+= TWO52;  */
+	fcmpu	cr5,fp1,fp12	/* if (x > 0.0)  */
+	mtfsf	0x01,fp11	/* restore previous rounding mode.  */
+	bnelr+	cr5
+	lfd	fp1,.LC1@toc(2)	/* x must be -0.0 for the 0.0 case.  */	
+	blr
+	END (__ceil)
+
+weak_alias (__ceil, ceil)
+
+#ifdef NO_LONG_DOUBLE
+weak_alias (__ceil, ceill)
+strong_alias (__ceil, __ceill)
+#endif
diff -urN libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_ceilf.S libc23/sysdeps/powerpc/powerpc64/fpu/s_ceilf.S
--- libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_ceilf.S	Wed Dec 31 17:00:00 1969
+++ libc23/sysdeps/powerpc/powerpc64/fpu/s_ceilf.S	Fri Apr 23 14:07:41 2004
@@ -0,0 +1,56 @@
+/* float ceil function.  PowerPC64 version.
+   Copyright (C) 2004 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>
+
+	.section	".toc","aw"
+.LC0:	/* 2**23 */
+	.tc FD_41600000_0[TC],0x4160000000000000
+.LC1:	/* -0.0 */
+	.tc FD_80000000_0[TC],0x8000000000000000
+	.section	".text"
+
+ENTRY (__ceilf)
+	mffs	fp11		/* Save current FPU rounding mode.  */
+	lfd	fp13,.LC0@toc(2)
+	fabs	fp0,fp1
+	fsubs	fp12,fp13,fp13	/* generate 0.0  */
+	fcmpu	cr7,fp0,fp13	/* if (fabs(x) > TWO23)  */
+	fcmpu	cr6,fp1,fp12	/* if (x > 0.0)  */
+	bnllr-	cr7
+	mtfsfi	7,2		/* Set rounding mode toward +inf.  */
+	ble-	cr6,.L4
+	fadds	fp1,fp1,fp13	/* x+= TWO23;  */
+	fsubs	fp1,fp1,fp13	/* x-= TWO23;  */
+.L9:	
+	mtfsf	0x01,fp11	/* restore previous rounding mode.  */
+	blr
+.L4:
+	bge-	cr6,.L9		/* if (x < 0.0)  */
+	fsubs	fp1,fp1,fp13	/* x-= TWO23;  */
+	fadds	fp1,fp1,fp13	/* x+= TWO23;  */
+	fcmpu	cr5,fp1,fp12	/* if (x > 0.0)  */
+	mtfsf	0x01,fp11	/* restore previous rounding mode.  */
+	bnelr+	cr5
+	lfd	fp1,.LC1@toc(2)	/* x must be -0.0 for the 0.0 case.  */	
+	blr
+	END (__ceilf)
+
+weak_alias (__ceilf, ceilf)
+
diff -urN libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_floor.S libc23/sysdeps/powerpc/powerpc64/fpu/s_floor.S
--- libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_floor.S	Wed Dec 31 17:00:00 1969
+++ libc23/sysdeps/powerpc/powerpc64/fpu/s_floor.S	Thu Apr 22 08:14:50 2004
@@ -0,0 +1,58 @@
+/* Floor function.  PowerPC64 version.
+   Copyright (C) 2004 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>
+
+	.section	".toc","aw"
+.LC0:	/* 2**52 */
+	.tc FD_43300000_0[TC],0x4330000000000000
+	.section	".text"
+
+ENTRY (__floor)
+	mffs	fp11		/* Save current FPU rounding mode.  */
+	lfd	fp13,.LC0@toc(2)
+	fabs	fp0,fp1
+	fsub	fp12,fp13,fp13	/* generate 0.0  */
+	fcmpu	cr7,fp0,fp13	/* if (fabs(x) > TWO52)  */
+	fcmpu	cr6,fp1,fp12	/* if (x > 0.0)  */
+	bnllr-	cr7
+	mtfsfi	7,3		/* Set rounding mode toward -inf.  */
+	ble-	cr6,.L4
+	fadd	fp1,fp1,fp13	/* x+= TWO52;  */
+	fsub	fp1,fp1,fp13	/* x-= TWO52;  */
+	fcmpu	cr5,fp1,fp12	/* if (x > 0.0)  */
+	mtfsf	0x01,fp11	/* restore previous rounding mode.  */
+	bnelr+	cr5
+	fmr	fp1,fp12	/* x must be +0.0 for the 0.0 case.  */
+	blr
+.L4:
+	bge-	cr6,.L9		/* if (x < 0.0)  */
+	fsub	fp1,fp1,fp13	/* x-= TWO52;  */
+	fadd	fp1,fp1,fp13	/* x+= TWO52;  */
+.L9:
+	mtfsf	0x01,fp11	/* restore previous rounding mode.  */	
+	blr
+	END (__floor)
+
+weak_alias (__floor, floor)
+
+#ifdef NO_LONG_DOUBLE
+weak_alias (__floor, floorl)
+strong_alias (__floor, __floorl)
+#endif
diff -urN libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_floorf.S libc23/sysdeps/powerpc/powerpc64/fpu/s_floorf.S
--- libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_floorf.S	Wed Dec 31 17:00:00 1969
+++ libc23/sysdeps/powerpc/powerpc64/fpu/s_floorf.S	Fri Apr 23 13:57:48 2004
@@ -0,0 +1,54 @@
+/* float Floor function.  PowerPC64 version.
+   Copyright (C) 2004 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>
+
+	.section	".toc","aw"
+.LC0:	/* 2**23 */
+	.tc FD_41600000_0[TC],0x4160000000000000
+	.section	".text"
+
+ENTRY (__floorf)
+	mffs	fp11		/* Save current FPU rounding mode.  */
+	lfd	fp13,.LC0@toc(2)
+	fabs	fp0,fp1
+	fsubs	fp12,fp13,fp13	/* generate 0.0  */
+	fcmpu	cr7,fp0,fp13	/* if (fabs(x) > TWO23)  */
+	fcmpu	cr6,fp1,fp12	/* if (x > 0.0)  */
+	bnllr-	cr7
+	mtfsfi	7,3		/* Set rounding mode toward -inf.  */
+	ble-	cr6,.L4
+	fadds	fp1,fp1,fp13	/* x+= TWO23;  */
+	fsubs	fp1,fp1,fp13	/* x-= TWO23;  */
+	fcmpu	cr5,fp1,fp12	/* if (x > 0.0)  */
+	mtfsf	0x01,fp11	/* restore previous rounding mode.  */
+	bnelr+	cr5
+	fmr	fp1,fp12	/* x must be +0.0 for the 0.0 case.  */
+	blr
+.L4:
+	bge-	cr6,.L9		/* if (x < 0.0)  */
+	fsubs	fp1,fp1,fp13	/* x-= TWO23;  */
+	fadds	fp1,fp1,fp13	/* x+= TWO23;  */
+.L9:
+	mtfsf	0x01,fp11	/* restore previous rounding mode.  */	
+	blr
+	END (__floorf)
+
+weak_alias (__floorf, floorf)
+
diff -urN libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_llrint.S libc23/sysdeps/powerpc/powerpc64/fpu/s_llrint.S
--- libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_llrint.S	Wed Dec 31 17:00:00 1969
+++ libc23/sysdeps/powerpc/powerpc64/fpu/s_llrint.S	Thu Apr 22 13:28:51 2004
@@ -0,0 +1,42 @@
+/* Round double to long int.  PowerPC64 version.
+   Copyright (C) 2004 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>
+
+/* long long int[r3] __llrint (double x[fp1])  */
+ENTRY (__llrint)	
+	fctid	fp13,fp1
+	stfd	fp13,-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 (__llrint)
+
+strong_alias (__llrint, __lrint)
+weak_alias (__llrint, llrint)
+weak_alias (__lrint, lrint)
+
+#ifdef NO_LONG_DOUBLE
+strong_alias (__llrint, __llrintl)
+weak_alias (__llrint, llrintl)
+strong_alias (__lrint, __lrintl)
+weak_alias (__lrint, lrintl)
+#endif
diff -urN libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_llrint.c libc23/sysdeps/powerpc/powerpc64/fpu/s_llrint.c
--- libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_llrint.c	Fri Feb 13 12:16:19 2004
+++ libc23/sysdeps/powerpc/powerpc64/fpu/s_llrint.c	Wed Dec 31 17:00:00 1969
@@ -1,46 +0,0 @@
-/* Round a double value to a long long in the current rounding mode.
-   Copyright (C) 1997, 2004 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.  */
-
-/* Kludge to avoid decls that will confuse strong_alias below.  */
-#define __lrint XXX__lrint
-#define __lrintl XXX__lrintl
-#define lrint XXXlrint
-#define lrintl XXXlrintl
-
-#include "math.h"
-
-#undef __lrint
-#undef __lrintl
-#undef lrint
-#undef lrintl
-
-long long int
-__llrint (double x)
-{
-  return (long long int) __rint (x);
-}
-strong_alias (__llrint, __lrint)
-weak_alias (__llrint, llrint)
-weak_alias (__lrint, lrint)
-#ifdef NO_LONG_DOUBLE
-strong_alias (__llrint, __llrintl)
-weak_alias (__llrint, llrintl)
-strong_alias (__lrint, __lrintl)
-weak_alias (__lrint, lrintl)
-#endif
diff -urN libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_llrintf.S libc23/sysdeps/powerpc/powerpc64/fpu/s_llrintf.S
--- libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_llrintf.S	Wed Dec 31 17:00:00 1969
+++ libc23/sysdeps/powerpc/powerpc64/fpu/s_llrintf.S	Thu Apr 22 15:00:35 2004
@@ -0,0 +1,36 @@
+/* Round double to long int.  PowerPC64 version.
+   Copyright (C) 2004 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>
+
+/* long long int[r3] __llrintf (float x[fp1])  */
+ENTRY (__llrintf)	
+	fctid	fp13,fp1
+	stfd	fp13,-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 (__llrintf)
+
+strong_alias (__llrintf, __lrintf)
+weak_alias (__llrintf, llrintf)
+weak_alias (__lrintf, lrintf)
+
diff -urN libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_llrintf.c libc23/sysdeps/powerpc/powerpc64/fpu/s_llrintf.c
--- libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_llrintf.c	Fri Feb 13 12:16:02 2004
+++ libc23/sysdeps/powerpc/powerpc64/fpu/s_llrintf.c	Wed Dec 31 17:00:00 1969
@@ -1,36 +0,0 @@
-/* Round a float value to a long long in the current rounding mode.
-   Copyright (C) 1997, 2004 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.  */
-
-/* Kludge to avoid decls that will confuse strong_alias below.  */
-#define __lrintf XXX__lrintf
-#define lrintf XXXlrintf
-
-#include "math.h"
-
-#undef __lrintf
-#undef lrintf
-
-long long int
-__llrintf (float x)
-{
-  return (long long int) __rintf (x);
-}
-strong_alias (__llrintf, __lrintf)
-weak_alias (__llrintf, llrintf)
-weak_alias (__lrintf, lrintf)
diff -urN libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_llround.S libc23/sysdeps/powerpc/powerpc64/fpu/s_llround.S
--- libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_llround.S	Wed Dec 31 17:00:00 1969
+++ libc23/sysdeps/powerpc/powerpc64/fpu/s_llround.S	Thu Apr 22 15:11:16 2004
@@ -0,0 +1,67 @@
+/* llround function.  PowerPC64 version.
+   Copyright (C) 2004 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>
+
+	.section	".toc","aw"
+.LC0:	/* -0.0 */
+	.tc FD_00000000_0[TC],0x0000000000000000
+.LC1:	/* 0.5 */
+	.tc FD_3fe00000_0[TC],0x3fe0000000000000
+	.section	".text"
+	
+/* 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 can't use the PowerPC "round to Nearest" mode. Instead we set
+   "round toward Zero" mode and round by adding +-0.5 before rounding
+   to the integer value.  */
+
+ENTRY (__llround)
+	lfd	fp12,.LC0@toc(2)
+	lfd	fp10,.LC1@toc(2)
+	fcmpu	cr6,fp1,fp12	/* if (x > 0.0)  */
+	ble-	cr6,.L4
+	fadd	fp1,fp1,fp10	/* x+= 0.5;  */
+.L9:
+	fctidz	fp2,fp1		/* Convert To Integer DW llround toward 0.  */
+	stfd	fp2,-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
+.L4:
+	fsub	fp1,fp1,fp10	/* x-= 0.5;  */
+	b	.L9
+	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
diff -urN libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_llroundf.S libc23/sysdeps/powerpc/powerpc64/fpu/s_llroundf.S
--- libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_llroundf.S	Wed Dec 31 17:00:00 1969
+++ libc23/sysdeps/powerpc/powerpc64/fpu/s_llroundf.S	Fri Apr 23 12:54:40 2004
@@ -0,0 +1,59 @@
+/* llroundf function.  PowerPC64 version.
+   Copyright (C) 2004 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>
+
+	.section	".toc","aw"
+.LC0:	/* -0.0 */
+	.tc FD_00000000_0[TC],0x0000000000000000
+.LC1:	/* 0.5 */
+	.tc FD_3fe00000_0[TC],0x3fe0000000000000
+	.section	".text"
+	
+/* long long [r3] llroundf (float x [fp1])
+   IEEE 1003.1 llroundf function.  IEEE specifies "roundf to the nearest 
+   integer value, roundfing halfway cases away from zero, regardless of
+   the current roundfing mode."  However PowerPC Architecture defines
+   "roundf to Nearest" as "Choose the best approximation. In case of a 
+   tie, choose the one that is even (least significant bit o).". 
+   So we can't use the PowerPC "round to Nearest" mode. Instead we set
+   "round toward Zero" mode and round by adding +-0.5 before rounding
+   to the integer value.  */
+
+ENTRY (__llroundf)
+	lfd	fp12,.LC0@toc(2)
+	lfd	fp10,.LC1@toc(2)
+	fcmpu	cr6,fp1,fp12	/* if (x < 0.0)  */
+	fsubs	fp3,fp1,fp10	/* x-= 0.5;  */
+	ble-	cr6,.L9
+	fadds	fp3,fp1,fp10	/* x+= 0.5;  */
+.L9:
+	fctidz	fp2,fp3		/* Convert To Integer DW round toward 0.  */
+	stfd	fp2,-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 (__llroundf)
+
+strong_alias (__llroundf, __lroundf)
+weak_alias (__llroundf, llroundf)
+weak_alias (__lroundf, lroundf)
+
diff -urN libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_lround.S libc23/sysdeps/powerpc/powerpc64/fpu/s_lround.S
--- libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_lround.S	Wed Dec 31 17:00:00 1969
+++ libc23/sysdeps/powerpc/powerpc64/fpu/s_lround.S	Thu Apr 22 13:32:49 2004
@@ -0,0 +1,2 @@
+/* __lround is in s_llround.S  */
+/* __lround is in s_llround.S  */
diff -urN libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_lroundf.S libc23/sysdeps/powerpc/powerpc64/fpu/s_lroundf.S
--- libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_lroundf.S	Wed Dec 31 17:00:00 1969
+++ libc23/sysdeps/powerpc/powerpc64/fpu/s_lroundf.S	Thu Apr 22 15:23:07 2004
@@ -0,0 +1,2 @@
+/* __lroundf is in s_llroundf.S  */
+/* __lroundf is in s_llroundf.S  */
diff -urN libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_rint.S libc23/sysdeps/powerpc/powerpc64/fpu/s_rint.S
--- libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_rint.S	Wed Dec 31 17:00:00 1969
+++ libc23/sysdeps/powerpc/powerpc64/fpu/s_rint.S	Wed Apr 21 14:56:38 2004
@@ -0,0 +1,54 @@
+/* Round to int floating-point values.  PowerPC64 version.
+   Copyright (C) 2004 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.  */
+
+/* This has been coded in assembler because GCC makes such a mess of it
+   when it's coded in C.  */
+
+#include <sysdep.h>
+
+	.section	".toc","aw"
+.LC0:	/* 2**52 */
+	.tc FD_43300000_0[TC],0x4330000000000000
+	.section	".text"
+
+ENTRY (__rint)
+	lfd	fp13,.LC0@toc(2)
+	fabs	fp0,fp1
+	fsub	fp12,fp13,fp13	/* generate 0.0  */
+	fcmpu	cr7,fp0,fp13	/* if (fabs(x) > TWO52)  */
+	fcmpu	cr6,fp1,fp12	/* if (x > 0.0)  */
+	bnllr-	cr7
+	bng-	cr6,.L4
+	fadd	fp1,fp1,fp13	/* x+= TWO52;  */
+	fsub	fp1,fp1,fp13	/* x-= TWO52;  */
+	blr
+.L4:
+	bnllr-	cr6		/* if (x < 0.0)  */
+	fsub	fp1,fp13,fp1	/* x = TWO52 - x;  */
+	fsub	fp0,fp1,fp13	/* x = - (x - TWO52);  */
+	fneg	fp1,fp0
+	blr
+	END (__rint)
+
+weak_alias (__rint, rint)
+
+#ifdef NO_LONG_DOUBLE
+weak_alias (__rint, rintl)
+strong_alias (__rint, __rintl)
+#endif
diff -urN libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_rintf.S libc23/sysdeps/powerpc/powerpc64/fpu/s_rintf.S
--- libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_rintf.S	Wed Dec 31 17:00:00 1969
+++ libc23/sysdeps/powerpc/powerpc64/fpu/s_rintf.S	Fri Apr 23 13:53:03 2004
@@ -0,0 +1,47 @@
+/* Round float to int floating-point values.  PowerPC64 version.
+   Copyright (C) 2004 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>
+
+	.section	".toc","aw"
+.LC0:	/* 2**23 */
+	.tc FD_41600000_0[TC],0x4160000000000000
+	.section	".text"
+
+ENTRY (__rintf)
+	lfd	fp13,.LC0@toc(2)
+	fabs	fp0,fp1
+	fsubs	fp12,fp13,fp13	/* generate 0.0  */
+	fcmpu	cr7,fp0,fp13	/* if (fabs(x) > TWO23)  */
+	fcmpu	cr6,fp1,fp12	/* if (x > 0.0)  */
+	bnllr-	cr7
+	bng-	cr6,.L4
+	fadds	fp1,fp1,fp13	/* x+= TWO23;  */
+	fsubs	fp1,fp1,fp13	/* x-= TWO23;  */
+	blr
+.L4:
+	bnllr-	cr6		/* if (x < 0.0)  */
+	fsubs	fp1,fp13,fp1	/* x = TWO23 - x;  */
+	fsubs	fp0,fp1,fp13	/* x = - (x - TWO23);  */
+	fneg	fp1,fp0
+	blr
+	END (__rintf)
+
+weak_alias (__rintf, rintf)
+
diff -urN libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_round.S libc23/sysdeps/powerpc/powerpc64/fpu/s_round.S
--- libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_round.S	Wed Dec 31 17:00:00 1969
+++ libc23/sysdeps/powerpc/powerpc64/fpu/s_round.S	Thu Apr 22 11:29:35 2004
@@ -0,0 +1,75 @@
+/* round function.  PowerPC64 version.
+   Copyright (C) 2004 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>
+
+	.section	".toc","aw"
+.LC0:	/* 2**52 */
+	.tc FD_43300000_0[TC],0x4330000000000000
+.LC1:	/* 0.5 */
+	.tc FD_3fe00000_0[TC],0x3fe0000000000000
+.LC2:	/* -0.0 */
+	.tc FD_80000000_0[TC],0x8000000000000000
+	.section	".text"
+	
+/* double [fp1] round (double x [fp1])
+   IEEE 1003.1 round 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 can't use the PowerPC "Round to Nearest" mode. Instead we set
+   "Round toward Zero" mode and round by adding +-0.5 before rounding
+   to the integer value.  */
+
+ENTRY (__round)
+	mffs	fp11		/* Save current FPU rounding mode.  */
+	lfd	fp13,.LC0@toc(2)
+	fabs	fp0,fp1
+	fsub	fp12,fp13,fp13	/* generate 0.0  */
+	fcmpu	cr7,fp0,fp13	/* if (fabs(x) > TWO52)  */
+	fcmpu	cr6,fp1,fp12	/* if (x > 0.0)  */
+	bnllr-	cr7
+	mtfsfi	7,1		/* Set rounding mode toward 0.  */
+	lfd	fp10,.LC1@toc(2)
+	ble-	cr6,.L4
+	fadd	fp1,fp1,fp10	/* x+= 0.5;  */
+	fadd	fp1,fp1,fp13	/* x+= TWO52;  */
+	fsub	fp1,fp1,fp13	/* x-= TWO52;  */
+.L9:	
+	mtfsf	0x01,fp11	/* restore previous rounding mode.  */
+	blr
+.L4:
+	fsub	fp9,fp1,fp10	/* x+= 0.5;  */
+	bge-	cr6,.L9		/* if (x < 0.0)  */
+	fsub	fp1,fp9,fp13	/* x-= TWO52;  */
+	fadd	fp1,fp1,fp13	/* x+= TWO52;  */
+	fcmpu	cr5,fp1,fp12	/* if (x > 0.0)  */
+	mtfsf	0x01,fp11	/* restore previous rounding mode.  */
+	bnelr+	cr5
+	lfd	fp1,.LC2@toc(2)	/* x must be -0.0 for the 0.0 case.  */	
+	blr
+	END (__round)
+
+weak_alias (__round, round)
+
+#ifdef NO_LONG_DOUBLE
+weak_alias (__round, roundl)
+strong_alias (__round, __roundl)
+#endif
diff -urN libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_roundf.S libc23/sysdeps/powerpc/powerpc64/fpu/s_roundf.S
--- libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_roundf.S	Wed Dec 31 17:00:00 1969
+++ libc23/sysdeps/powerpc/powerpc64/fpu/s_roundf.S	Fri Apr 23 13:38:55 2004
@@ -0,0 +1,71 @@
+/* roundf  function.  PowerPC64 version.
+   Copyright (C) 2004 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>
+
+	.section	".toc","aw"
+.LC0:	/* 2**23 */
+	.tc FD_41600000_0[TC],0x4160000000000000
+.LC1:	/* 0.5 */
+	.tc FD_3fe00000_0[TC],0x3fe0000000000000
+.LC2:	/* -0.0 */
+	.tc FD_80000000_0[TC],0x8000000000000000
+	.section	".text"
+	
+/* float [fp1] roundf  (float x [fp1])
+   IEEE 1003.1 round 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 can't use the PowerPC "Round to Nearest" mode. Instead we set
+   "Round toward Zero" mode and round by adding +-0.5 before rounding
+   to the integer value.  */
+
+ENTRY (__roundf )
+	mffs	fp11		/* Save current FPU rounding mode.  */
+	lfd	fp13,.LC0@toc(2)
+	fabs	fp0,fp1
+	fsubs	fp12,fp13,fp13	/* generate 0.0  */
+	fcmpu	cr7,fp0,fp13	/* if (fabs(x) > TWO23)  */
+	fcmpu	cr6,fp1,fp12	/* if (x > 0.0)  */
+	bnllr-	cr7
+	mtfsfi	7,1		/* Set rounding mode toward 0.  */
+	lfd	fp10,.LC1@toc(2)
+	ble-	cr6,.L4
+	fadds	fp1,fp1,fp10	/* x+= 0.5;  */
+	fadds	fp1,fp1,fp13	/* x+= TWO23;  */
+	fsubs	fp1,fp1,fp13	/* x-= TWO23;  */
+.L9:	
+	mtfsf	0x01,fp11	/* restore previous rounding mode.  */
+	blr
+.L4:
+	fsubs	fp9,fp1,fp10	/* x+= 0.5;  */
+	bge-	cr6,.L9		/* if (x < 0.0)  */
+	fsubs	fp1,fp9,fp13	/* x-= TWO23;  */
+	fadds	fp1,fp1,fp13	/* x+= TWO23;  */
+	fcmpu	cr5,fp1,fp12	/* if (x > 0.0)  */
+	mtfsf	0x01,fp11	/* restore previous rounding mode.  */
+	bnelr+	cr5
+	lfd	fp1,.LC2@toc(2)	/* x must be -0.0 for the 0.0 case.  */	
+	blr
+	END (__roundf)
+
+weak_alias (__roundf, roundf)
+
diff -urN libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_trunc.S libc23/sysdeps/powerpc/powerpc64/fpu/s_trunc.S
--- libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_trunc.S	Wed Dec 31 17:00:00 1969
+++ libc23/sysdeps/powerpc/powerpc64/fpu/s_trunc.S	Fri Apr 23 11:39:52 2004
@@ -0,0 +1,67 @@
+/* trunc function.  PowerPC64 version.
+   Copyright (C) 2004 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>
+
+	.section	".toc","aw"
+.LC0:	/* 2**52 */
+	.tc FD_43300000_0[TC],0x4330000000000000
+.LC2:	/* -0.0 */
+	.tc FD_80000000_0[TC],0x8000000000000000
+	.section	".text"
+	
+/* double [fp1] trunc (double x [fp1])
+   IEEE 1003.1 trunc function.  IEEE specifies "trunc to the integer
+   value, in floating format, nearest to but no larger in magnitude 
+   then the argument."
+   We set "round toward Zero" mode and trunc by adding +-2**52 then
+   subtracting +-2**52.  */
+
+ENTRY (__trunc)
+	mffs	fp11		/* Save current FPU rounding mode.  */
+	lfd	fp13,.LC0@toc(2)
+	fabs	fp0,fp1
+	fsub	fp12,fp13,fp13	/* generate 0.0  */
+	fcmpu	cr7,fp0,fp13	/* if (fabs(x) > TWO52)  */
+	fcmpu	cr6,fp1,fp12	/* if (x > 0.0)  */
+	bnllr-	cr7
+	mtfsfi	7,1		/* Set rounding toward 0 mode.  */
+	ble-	cr6,.L4
+	fadd	fp1,fp1,fp13	/* x+= TWO52;  */
+	fsub	fp1,fp1,fp13	/* x-= TWO52;  */
+.L9:	
+	mtfsf	0x01,fp11	/* restore previous truncing mode.  */
+	blr
+.L4:
+	bge-	cr6,.L9		/* if (x < 0.0)  */
+	fsub	fp1,fp1,fp13	/* x-= TWO52;  */
+	fadd	fp1,fp1,fp13	/* x+= TWO52;  */
+	fcmpu	cr5,fp1,fp12	/* if (x > 0.0)  */
+	mtfsf	0x01,fp11	/* restore previous rounding mode.  */
+	bnelr+	cr5
+	lfd	fp1,.LC2@toc(2)	/* x must be -0.0 for the 0.0 case.  */	
+	blr
+	END (__trunc)
+
+weak_alias (__trunc, trunc)
+
+#ifdef NO_LONG_DOUBLE
+weak_alias (__trunc, truncl)
+strong_alias (__trunc, __truncl)
+#endif
diff -urN libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_truncf.S libc23/sysdeps/powerpc/powerpc64/fpu/s_truncf.S
--- libc23-cvstip-20040412/sysdeps/powerpc/powerpc64/fpu/s_truncf.S	Wed Dec 31 17:00:00 1969
+++ libc23/sysdeps/powerpc/powerpc64/fpu/s_truncf.S	Fri Apr 23 13:23:15 2004
@@ -0,0 +1,63 @@
+/* truncf function.  PowerPC64 version.
+   Copyright (C) 2004 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>
+
+	.section	".toc","aw"
+.LC0:	/* 2**23 */
+	.tc FD_41600000_0[TC],0x4160000000000000
+.LC2:	/* -0.0 */
+	.tc FD_80000000_0[TC],0x8000000000000000
+	.section	".text"
+	
+/* float [fp1] truncf (float x [fp1])
+   IEEE 1003.1 trunc function.  IEEE specifies "trunc to the integer
+   value, in floating format, nearest to but no larger in magnitude 
+   then the argument."
+   We set "round toward Zero" mode and trunc by adding +-2**23 then
+   subtracting +-2**23.  */
+
+ENTRY (__truncf)
+	mffs	fp11		/* Save current FPU rounding mode.  */
+	lfd	fp13,.LC0@toc(2)
+	fabs	fp0,fp1
+	fsubs	fp12,fp13,fp13	/* generate 0.0  */
+	fcmpu	cr7,fp0,fp13	/* if (fabs(x) > TWO23)  */
+	fcmpu	cr6,fp1,fp12	/* if (x > 0.0)  */
+	bnllr-	cr7
+	mtfsfi	7,1		/* Set rounding toward 0 mode.  */
+	ble-	cr6,.L4
+	fadds	fp1,fp1,fp13	/* x+= TWO23;  */
+	fsubs	fp1,fp1,fp13	/* x-= TWO23;  */
+.L9:	
+	mtfsf	0x01,fp11	/* restore previous truncing mode.  */
+	blr
+.L4:
+	bge-	cr6,.L9		/* if (x < 0.0)  */
+	fsubs	fp1,fp1,fp13	/* x-= TWO23;  */
+	fadds	fp1,fp1,fp13	/* x+= TWO23;  */
+	fcmpu	cr5,fp1,fp12	/* if (x > 0.0)  */
+	mtfsf	0x01,fp11	/* restore previous rounding mode.  */
+	bnelr+	cr5
+	lfd	fp1,.LC2@toc(2)	/* x must be -0.0 for the 0.0 case.  */	
+	blr
+	END (__truncf)
+
+weak_alias (__truncf, truncf)
+

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