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[PATCH] PPC64 smaller/faster rounding functions, 2
- From: Steve Munroe <sjmunroe at us dot ibm dot com>
- To: libc-alpha at sources dot redhat dot com, Dwayne McConnell <dgm69 at us dot ibm dot com>
- Date: Thu, 29 Apr 2004 17:52:51 -0500
- Subject: [PATCH] PPC64 smaller/faster rounding functions, 2
- Organization: IBM LTC
- Reply-to: sjmunroe at vnet dot ibm dot com
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)
+