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| author | Ulrich Drepper <drepper@redhat.com> | 2004-06-30 23:43:49 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2004-06-30 23:43:49 +0000 |
| commit | f9f70e68fa2365b87bc4ed963c1585f91be685ec (patch) | |
| tree | 8da40889e7880580bf487f07dc1cf4432fa723f7 /sysdeps/powerpc/powerpc32/fpu/s_rint.S | |
| parent | 442c29abe59cf0c8a151aeb7825a026e79f2f6d3 (diff) | |
| download | glibc-f9f70e68fa2365b87bc4ed963c1585f91be685ec.tar.gz glibc-f9f70e68fa2365b87bc4ed963c1585f91be685ec.tar.xz glibc-f9f70e68fa2365b87bc4ed963c1585f91be685ec.zip | |
Update.
2004-06-11 Dwayne Grant McConnell <dgm69@us.ibm.com> * 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.
Diffstat (limited to 'sysdeps/powerpc/powerpc32/fpu/s_rint.S')
| -rw-r--r-- | sysdeps/powerpc/powerpc32/fpu/s_rint.S | 74 |
1 files changed, 74 insertions, 0 deletions
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 <sysdep.h> + + .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 |