From f9f70e68fa2365b87bc4ed963c1585f91be685ec Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Wed, 30 Jun 2004 23:43:49 +0000 Subject: Update. 2004-06-11 Dwayne Grant McConnell * sysdeps/powerpc/fpu/s_lround.c: Removed. * sysdeps/powerpc/fpu/s_lroundf.c: Removed. * sysdeps/powerpc/powerpc32/fpu/s_ceilf.S: New file. * sysdeps/powerpc/powerpc32/fpu/s_ceil.S: New file. * sysdeps/powerpc/powerpc32/fpu/s_floorf.S: New file. * sysdeps/powerpc/powerpc32/fpu/s_floor.S: New file. * sysdeps/powerpc/powerpc32/fpu/s_lrint.c: Removed. * sysdeps/powerpc/powerpc32/fpu/s_lrint.S: New file. * sysdeps/powerpc/powerpc32/fpu/s_lroundf.S: New file. * sysdeps/powerpc/powerpc32/fpu/s_lround.S: New file. * sysdeps/powerpc/powerpc32/fpu/s_rintf.S: New file. * sysdeps/powerpc/powerpc32/fpu/s_rint.S: New file. * sysdeps/powerpc/powerpc32/fpu/s_roundf.S: New file. * sysdeps/powerpc/powerpc32/fpu/s_round.S: New file. * sysdeps/powerpc/powerpc32/fpu/s_truncf.S: New file. * sysdeps/powerpc/powerpc32/fpu/s_trunc.S: New file. --- sysdeps/powerpc/powerpc32/fpu/s_ceil.S | 96 ++++++++++++++++++++++++ sysdeps/powerpc/powerpc32/fpu/s_ceilf.S | 92 +++++++++++++++++++++++ sysdeps/powerpc/powerpc32/fpu/s_floor.S | 78 ++++++++++++++++++++ sysdeps/powerpc/powerpc32/fpu/s_floorf.S | 74 +++++++++++++++++++ sysdeps/powerpc/powerpc32/fpu/s_lrint.S | 41 +++++++++++ sysdeps/powerpc/powerpc32/fpu/s_lrint.c | 53 -------------- sysdeps/powerpc/powerpc32/fpu/s_lround.S | 100 +++++++++++++++++++++++++ sysdeps/powerpc/powerpc32/fpu/s_lroundf.S | 2 + sysdeps/powerpc/powerpc32/fpu/s_rint.S | 74 +++++++++++++++++++ sysdeps/powerpc/powerpc32/fpu/s_rintf.S | 68 +++++++++++++++++ sysdeps/powerpc/powerpc32/fpu/s_round.S | 118 ++++++++++++++++++++++++++++++ sysdeps/powerpc/powerpc32/fpu/s_roundf.S | 114 +++++++++++++++++++++++++++++ sysdeps/powerpc/powerpc32/fpu/s_trunc.S | 98 +++++++++++++++++++++++++ sysdeps/powerpc/powerpc32/fpu/s_truncf.S | 94 ++++++++++++++++++++++++ 14 files changed, 1049 insertions(+), 53 deletions(-) create mode 100644 sysdeps/powerpc/powerpc32/fpu/s_ceil.S create mode 100644 sysdeps/powerpc/powerpc32/fpu/s_ceilf.S create mode 100644 sysdeps/powerpc/powerpc32/fpu/s_floor.S create mode 100644 sysdeps/powerpc/powerpc32/fpu/s_floorf.S create mode 100644 sysdeps/powerpc/powerpc32/fpu/s_lrint.S delete mode 100644 sysdeps/powerpc/powerpc32/fpu/s_lrint.c create mode 100644 sysdeps/powerpc/powerpc32/fpu/s_lround.S create mode 100644 sysdeps/powerpc/powerpc32/fpu/s_lroundf.S create mode 100644 sysdeps/powerpc/powerpc32/fpu/s_rint.S create mode 100644 sysdeps/powerpc/powerpc32/fpu/s_rintf.S create mode 100644 sysdeps/powerpc/powerpc32/fpu/s_round.S create mode 100644 sysdeps/powerpc/powerpc32/fpu/s_roundf.S create mode 100644 sysdeps/powerpc/powerpc32/fpu/s_trunc.S create mode 100644 sysdeps/powerpc/powerpc32/fpu/s_truncf.S (limited to 'sysdeps/powerpc/powerpc32') diff --git a/sysdeps/powerpc/powerpc32/fpu/s_ceil.S b/sysdeps/powerpc/powerpc32/fpu/s_ceil.S new file mode 100644 index 0000000000..d211314bbf --- /dev/null +++ b/sysdeps/powerpc/powerpc32/fpu/s_ceil.S @@ -0,0 +1,96 @@ +/* ceil function. PowerPC32 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 + + .section .rodata + .align 3 + .type TWO52.0,@object + .size TWO52.0,8 +TWO52.0: + .long 0x43300000 + .long 0 + .type NEGZERO.0,@object + .size NEGZERO.0,8 +NEGZERO.0: + .long 0x80000000 + .long 0 + + .section .rodata.cst8,"aM",@progbits,8 + .align 3 +.LC0: /* 2**52 */ + .long 0x43300000 + .long 0 +.LC1: /* -0.0 */ + .long 0x80000000 + .long 0 + + .section ".text" +ENTRY (__ceil) + mffs fp11 /* Save current FPU rounding mode. */ +#ifdef SHARED + mflr r11 + bl _GLOBAL_OFFSET_TABLE_@local-4 + mflr r10 + lwz r9,.LC0@got(10) + mtlr r11 + lfd fp13,0(r9) +#else + lis r9,.LC0@ha + lfd fp13,.LC0@l(r9) +#endif + 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 +#ifdef SHARED + mflr r11 + bl _GLOBAL_OFFSET_TABLE_@local-4 + mflr r10 + lwz r9,.LC1@got(10) + mtlr r11 + lfd fp1,0(r9) +#else + lis r9,.LC1@ha + lfd fp1,.LC1@l(r9) +#endif + blr + END (__ceil) + +weak_alias (__ceil, ceil) + +#ifdef NO_LONG_DOUBLE +weak_alias (__ceil, ceill) +strong_alias (__ceil, __ceill) +#endif diff --git a/sysdeps/powerpc/powerpc32/fpu/s_ceilf.S b/sysdeps/powerpc/powerpc32/fpu/s_ceilf.S new file mode 100644 index 0000000000..4439dc2338 --- /dev/null +++ b/sysdeps/powerpc/powerpc32/fpu/s_ceilf.S @@ -0,0 +1,92 @@ +/* float ceil function. PowerPC32 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 + + .section .rodata + .align 3 + .type TWO52.0,@object + .size TWO52.0,8 +TWO52.0: + .long 0x43300000 + .long 0 + .type NEGZERO.0,@object + .size NEGZERO.0,8 +NEGZERO.0: + .long 0x80000000 + .long 0 + + .section .rodata.cst8,"aM",@progbits,8 + .align 3 +.LC0: /* 2**23 */ + .long 0x41600000 + .long 0 +.LC1: /* -0.0 */ + .long 0x80000000 + .long 0 + + .section ".text" +ENTRY (__ceilf) + mffs fp11 /* Save current FPU rounding mode. */ +#ifdef SHARED + mflr r11 + bl _GLOBAL_OFFSET_TABLE_@local-4 + mflr r10 + lwz r9,.LC0@got(10) + mtlr r11 + lfd fp13,0(r9) +#else + lis r9,.LC0@ha + lfd fp13,.LC0@l(r9) +#endif + 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 +#ifdef SHARED + mflr r11 + bl _GLOBAL_OFFSET_TABLE_@local-4 + mflr r10 + lwz r9,.LC1@got(10) + mtlr r11 + lfd fp1,0(r9) +#else + lis r9,.LC1@ha + lfd fp1,.LC1@l(r9) +#endif + blr + END (__ceilf) + +weak_alias (__ceilf, ceilf) + diff --git a/sysdeps/powerpc/powerpc32/fpu/s_floor.S b/sysdeps/powerpc/powerpc32/fpu/s_floor.S new file mode 100644 index 0000000000..143f907b18 --- /dev/null +++ b/sysdeps/powerpc/powerpc32/fpu/s_floor.S @@ -0,0 +1,78 @@ +/* Floor function. PowerPC32 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 + + .section .rodata + .align 3 + .type TWO52.0,@object + .size TWO52.0,8 +TWO52.0: + .long 0x43300000 + .long 0 + + .section .rodata.cst8,"aM",@progbits,8 + .align 3 +.LC0: /* 2**52 */ + .long 0x43300000 + .long 0 + + .section ".text" +ENTRY (__floor) + mffs fp11 /* Save current FPU rounding mode. */ +#ifdef SHARED + mflr r11 + bl _GLOBAL_OFFSET_TABLE_@local-4 + mflr r10 + lwz r9,.LC0@got(10) + mtlr r11 + lfd fp13,0(r9) +#else + lis r9,.LC0@ha + lfd fp13,.LC0@l(r9) +#endif + 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 --git a/sysdeps/powerpc/powerpc32/fpu/s_floorf.S b/sysdeps/powerpc/powerpc32/fpu/s_floorf.S new file mode 100644 index 0000000000..154bc30ff7 --- /dev/null +++ b/sysdeps/powerpc/powerpc32/fpu/s_floorf.S @@ -0,0 +1,74 @@ +/* float Floor function. PowerPC32 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 + + .section .rodata + .align 3 + .type TWO23.0,@object + .size TWO23.0,8 +TWO23.0: + .long 0x41600000 + .long 0 + + .section .rodata.cst8,"aM",@progbits,8 + .align 3 +.LC0: /* 2**23 */ + .long 0x41600000 + .long 0 + + .section ".text" +ENTRY (__floorf) + mffs fp11 /* Save current FPU rounding mode. */ +#ifdef SHARED + mflr r11 + bl _GLOBAL_OFFSET_TABLE_@local-4 + mflr r10 + lwz r9,.LC0@got(10) + mtlr r11 + lfd fp13,0(r9) +#else + lis r9,.LC0@ha + lfd fp13,.LC0@l(r9) +#endif + 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 --git a/sysdeps/powerpc/powerpc32/fpu/s_lrint.S b/sysdeps/powerpc/powerpc32/fpu/s_lrint.S new file mode 100644 index 0000000000..57d56c48cd --- /dev/null +++ b/sysdeps/powerpc/powerpc32/fpu/s_lrint.S @@ -0,0 +1,41 @@ +/* Round double to long int. PowerPC32 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 + +/* long int[r3] __lrint (double x[fp1]) */ +ENTRY (__lrint) + fctiw fp13,fp1 + stfd fp13,-8(r1) + nop /* Insure the following load is in a different dispatch group */ + nop /* to avoid pipe stall on POWER4&5. */ + nop + lwz r3,-4(r1) + blr + END (__lrint) + +weak_alias (__lrint, lrint) + +strong_alias (__lrint, __lrintf) +weak_alias (__lrint, lrintf) + +#ifdef NO_LONG_DOUBLE +strong_alias (__lrint, __lrintl) +weak_alias (__lrint, lrintl) +#endif diff --git a/sysdeps/powerpc/powerpc32/fpu/s_lrint.c b/sysdeps/powerpc/powerpc32/fpu/s_lrint.c deleted file mode 100644 index c78fb035bd..0000000000 --- a/sysdeps/powerpc/powerpc32/fpu/s_lrint.c +++ /dev/null @@ -1,53 +0,0 @@ -/* Round floating-point to integer. PowerPC version. - Copyright (C) 1997,2002 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 __lrintl XXX__lrintl -#define lrintf XXXlrintf -#define lrintl XXXlrintl - -#include "math.h" - -#undef __lrintf -#undef __lrintl -#undef lrintf -#undef lrintl - - -long int -__lrint (double x) -{ - union - { - double d; - int ll[2]; - } u; - asm ("fctiw %0,%1" : "=f"(u.d) : "f"(x)); - return u.ll[1]; -} -weak_alias (__lrint, lrint) - -strong_alias (__lrint, __lrintf) -weak_alias (__lrint, lrintf) - -#ifdef NO_LONG_DOUBLE -strong_alias (__lrint, __lrintl) -weak_alias (__lrint, lrintl) -#endif diff --git a/sysdeps/powerpc/powerpc32/fpu/s_lround.S b/sysdeps/powerpc/powerpc32/fpu/s_lround.S new file mode 100644 index 0000000000..dcb97e373b --- /dev/null +++ b/sysdeps/powerpc/powerpc32/fpu/s_lround.S @@ -0,0 +1,100 @@ +/* lround function. PowerPC32 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 + + .section .rodata + .align 3 + .type NEGZERO.0,@object + .size NEGZERO.0,8 +NEGZERO.0: + .long 0x00000000 + .long 0 + .type POINTFIVE.0,@object + .size POINTFIVE.0,8 +POINTFIVE.0: + .long 0x3fe00000 + .long 0 + + .section .rodata.cst8,"aM",@progbits,8 + .align 3 +.LC0: /* 0.0 */ + .long 0x00000000 + .long 0 +.LC1: /* 0.5 */ + .long 0x3fe00000 + .long 0 + + .section ".text" + +/* long [r3] lround (float x [fp1]) + IEEE 1003.1 lround 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 (__lround) +#ifdef SHARED + mflr r11 + bl _GLOBAL_OFFSET_TABLE_@local-4 + mflr r10 + lwz r9,.LC0@got(10) + mtlr r11 + lfd fp12,0(r9) +#else + lis r9,.LC0@ha + lfd fp12,.LC0@l(r9) +#endif +#ifdef SHARED + lwz r9,.LC1@got(10) + lfd fp10,0(r9) +#else + lis r9,.LC1@ha + lfd fp10,.LC1@l(r9) +#endif + fcmpu cr6,fp1,fp12 /* if (x > 0.0) */ + ble- cr6,.L4 + fadd fp1,fp1,fp10 /* x+= 0.5; */ +.L9: + fctiwz fp2,fp1 /* Convert To Integer DW lround toward 0. */ + stfd fp2,-8(r1) + nop /* Insure the following load is in a different dispatch group */ + nop /* to avoid pipe stall on POWER4&5. */ + nop + lwz r3,-4(r1) + blr +.L4: + fsub fp1,fp1,fp10 /* x-= 0.5; */ + b .L9 + END (__lround) + +strong_alias (__lround, __lround) +weak_alias (__lround, lround) + +strong_alias (__lround, __lroundf) +weak_alias (__lround, lroundf) + +#ifdef NO_LONG_DOUBLE +weak_alias (__lround, lroundl) +strong_alias (__lround, __lroundl) +#endif diff --git a/sysdeps/powerpc/powerpc32/fpu/s_lroundf.S b/sysdeps/powerpc/powerpc32/fpu/s_lroundf.S new file mode 100644 index 0000000000..e3c992d771 --- /dev/null +++ b/sysdeps/powerpc/powerpc32/fpu/s_lroundf.S @@ -0,0 +1,2 @@ +/* __lroundf is in s_lround.S */ +/* __lroundf is in s_lround.S */ diff --git a/sysdeps/powerpc/powerpc32/fpu/s_rint.S b/sysdeps/powerpc/powerpc32/fpu/s_rint.S new file mode 100644 index 0000000000..dee25f204f --- /dev/null +++ b/sysdeps/powerpc/powerpc32/fpu/s_rint.S @@ -0,0 +1,74 @@ +/* Round to int floating-point values. PowerPC32 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 + + .section .rodata + .align 3 + .type TWO52.0,@object + .size TWO52.0,8 +TWO52.0: + .long 0x43300000 + .long 0 + + .section .rodata.cst8,"aM",@progbits,8 + .align 3 +.LC0: /* 2**52 */ + .long 0x43300000 + .long 0 + + .section ".text" +ENTRY (__rint) +#ifdef SHARED + mflr r11 + bl _GLOBAL_OFFSET_TABLE_@local-4 + mflr r10 + lwz r9,.LC0@got(10) + mtlr r11 + lfd fp13,0(r9) +#else + lis r9,.LC0@ha + lfd fp13,.LC0@l(r9) +#endif + 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 --git a/sysdeps/powerpc/powerpc32/fpu/s_rintf.S b/sysdeps/powerpc/powerpc32/fpu/s_rintf.S new file mode 100644 index 0000000000..cebf6423af --- /dev/null +++ b/sysdeps/powerpc/powerpc32/fpu/s_rintf.S @@ -0,0 +1,68 @@ +/* Round float to int floating-point values. PowerPC32 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 + + + .section .rodata + .align 3 + .type TWO23.0,@object + .size TWO23.0,8 +TWO23.0: + .long 0x41600000 + .long 0 + + .section .rodata.cst8,"aM",@progbits,8 + .align 3 +.LC0: /* 2**23 */ + .long 0x41600000 + .long 0 + + .section ".text" +ENTRY (__rintf) +#ifdef SHARED + mflr r11 + bl _GLOBAL_OFFSET_TABLE_@local-4 + mflr r10 + lwz r9,.LC0@got(10) + mtlr r11 + lfd fp13,0(r9) +#else + lis r9,.LC0@ha + lfd fp13,.LC0@l(r9) +#endif + 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 --git a/sysdeps/powerpc/powerpc32/fpu/s_round.S b/sysdeps/powerpc/powerpc32/fpu/s_round.S new file mode 100644 index 0000000000..13fc74f001 --- /dev/null +++ b/sysdeps/powerpc/powerpc32/fpu/s_round.S @@ -0,0 +1,118 @@ +/* round function. PowerPC32 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 + + .section .rodata + .align 3 + .type TWO52.0,@object + .size TWO52.0,8 +TWO52.0: + .long 0x43300000 + .long 0 + .type POINTFIVE.0,@object + .size POINTFIVE.0,8 +POINTFIVE.0: + .long 0x3fe00000 + .long 0 + .type NEGZERO.0,@object + .size NEGZERO.0,8 +NEGZERO.0: + .long 0x80000000 + .long 0 + + .section .rodata.cst8,"aM",@progbits,8 + .align 3 +.LC0: /* 2**52 */ + .long 0x43300000 + .long 0 +.LC1: /* 0.5 */ + .long 0x3fe00000 + .long 0 +.LC2: /* -0.0 */ + .long 0x80000000 + .long 0 + +/* 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. */ +#ifdef SHARED + mflr r11 + bl _GLOBAL_OFFSET_TABLE_@local-4 + mflr r10 + lwz r9,.LC0@got(10) + mtlr r11 + lfd fp13,0(r9) +#else + lis r9,.LC0@ha + lfd fp13,.LC0@l(r9) +#endif + 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. */ +#ifdef SHARED + lwz r9,.LC1@got(10) + lfd fp10,0(r9) +#else + lis r9,.LC1@ha + lfd fp10,.LC1@l(r9) +#endif + 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 +#ifdef SHARED + lwz r9,.LC2@got(10) + lfd fp1,0(r9) +#else + lis r9,.LC2@ha + lfd fp1,.LC2@l(r9) +#endif + blr + END (__round) + +weak_alias (__round, round) + +#ifdef NO_LONG_DOUBLE +weak_alias (__round, roundl) +strong_alias (__round, __roundl) +#endif diff --git a/sysdeps/powerpc/powerpc32/fpu/s_roundf.S b/sysdeps/powerpc/powerpc32/fpu/s_roundf.S new file mode 100644 index 0000000000..ea8aaf3add --- /dev/null +++ b/sysdeps/powerpc/powerpc32/fpu/s_roundf.S @@ -0,0 +1,114 @@ +/* roundf function. PowerPC32 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 + + .section .rodata + .align 3 + .type TWO23.0,@object + .size TWO23.0,8 +TWO23.0: + .long 0x43300000 + .long 0 + .type POINTFIVE.0,@object + .size POINTFIVE.0,8 +POINTFIVE.0: + .long 0x3fe00000 + .long 0 + .type NEGZERO.0,@object + .size NEGZERO.0,8 +NEGZERO.0: + .long 0x80000000 + .long 0 + + .section .rodata.cst8,"aM",@progbits,8 + .align 3 +.LC0: /* 2**23 */ + .long 0x41600000 + .long 0 +.LC1: /* 0.5 */ + .long 0x3fe00000 + .long 0 +.LC2: /* -0.0 */ + .long 0x80000000 + .long 0 + +/* 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. */ +#ifdef SHARED + mflr r11 + bl _GLOBAL_OFFSET_TABLE_@local-4 + mflr r10 + lwz r9,.LC0@got(10) + mtlr r11 + lfd fp13,0(r9) +#else + lis r9,.LC0@ha + lfd fp13,.LC0@l(r9) +#endif + 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. */ +#ifdef SHARED + lwz r9,.LC1@got(10) + lfd fp10,0(r9) +#else + lis r9,.LC1@ha + lfd fp10,.LC1@l(r9) +#endif + 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 +#ifdef SHARED + lwz r9,.LC2@got(10) + lfd fp1,0(r9) +#else + lis r9,.LC2@ha + lfd fp1,.LC2@l(r9) +#endif + blr + END (__roundf) + +weak_alias (__roundf, roundf) + diff --git a/sysdeps/powerpc/powerpc32/fpu/s_trunc.S b/sysdeps/powerpc/powerpc32/fpu/s_trunc.S new file mode 100644 index 0000000000..a4be651f8c --- /dev/null +++ b/sysdeps/powerpc/powerpc32/fpu/s_trunc.S @@ -0,0 +1,98 @@ +/* trunc function. PowerPC32 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 + + .section .rodata + .align 3 + .type TWO52.0,@object + .size TWO52.0,8 +TWO52.0: + .long 0x43300000 + .long 0 + .type NEGZERO.0,@object + .size NEGZERO.0,8 +NEGZERO.0: + .long 0x80000000 + .long 0 + + .section .rodata.cst8,"aM",@progbits,8 + .align 3 +.LC0: /* 2**52 */ + .long 0x43300000 + .long 0 +.LC1: /* -0.0 */ + .long 0x80000000 + .long 0 + +/* 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. */ +#ifdef SHARED + mflr r11 + bl _GLOBAL_OFFSET_TABLE_@local-4 + mflr r10 + lwz r9,.LC0@got(10) + mtlr r11 + lfd fp13,0(r9) +#else + lis r9,.LC0@ha + lfd fp13,.LC0@l(r9) +#endif + 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 +#ifdef SHARED + lwz r9,.LC1@got(10) + lfd fp1,0(r9) +#else + lis r9,.LC1@ha + lfd fp1,.LC1@l(r9) +#endif + blr + END (__trunc) + +weak_alias (__trunc, trunc) + +#ifdef NO_LONG_DOUBLE +weak_alias (__trunc, truncl) +strong_alias (__trunc, __truncl) +#endif diff --git a/sysdeps/powerpc/powerpc32/fpu/s_truncf.S b/sysdeps/powerpc/powerpc32/fpu/s_truncf.S new file mode 100644 index 0000000000..9a8dae931b --- /dev/null +++ b/sysdeps/powerpc/powerpc32/fpu/s_truncf.S @@ -0,0 +1,94 @@ +/* truncf function. PowerPC32 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 + + .section .rodata + .align 3 + .type TWO23.0,@object + .size TWO23.0,8 +TWO23.0: + .long 0x41600000 + .long 0 + .type NEGZERO.0,@object + .size NEGZERO.0,8 +NEGZERO.0: + .long 0x80000000 + .long 0 + + .section .rodata.cst8,"aM",@progbits,8 + .align 3 +.LC0: /* 2**23 */ + .long 0x41600000 + .long 0 +.LC1: /* -0.0 */ + .long 0x80000000 + .long 0 + +/* 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. */ +#ifdef SHARED + mflr r11 + bl _GLOBAL_OFFSET_TABLE_@local-4 + mflr r10 + lwz r9,.LC0@got(10) + mtlr r11 + lfd fp13,0(r9) +#else + lis r9,.LC0@ha + lfd fp13,.LC0@l(r9) +#endif + 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 +#ifdef SHARED + lwz r9,.LC1@got(10) + lfd fp1,0(r9) +#else + lis r9,.LC1@ha + lfd fp1,.LC1@l(r9) +#endif + blr + END (__truncf) + +weak_alias (__truncf, truncf) + -- cgit v1.2.3