diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc32/fpu/s_rint.S')
| -rw-r--r-- | sysdeps/powerpc/powerpc32/fpu/s_rint.S | 49 |
1 files changed, 22 insertions, 27 deletions
diff --git a/sysdeps/powerpc/powerpc32/fpu/s_rint.S b/sysdeps/powerpc/powerpc32/fpu/s_rint.S index c8dca313ae..dee25f204f 100644 --- a/sysdeps/powerpc/powerpc32/fpu/s_rint.S +++ b/sysdeps/powerpc/powerpc32/fpu/s_rint.S @@ -1,5 +1,5 @@ /* Round to int floating-point values. PowerPC32 version. - Copyright (C) 2004, 2006 Free Software Foundation, Inc. + 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 @@ -14,41 +14,40 @@ 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., 1 Franklin Street, Fifth Floor, Boston MA - 02110-1301 USA. */ + 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> -#include <math_ldbl_opt.h> - .section .rodata.cst4,"aM",@progbits,4 - .align 2 + .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 0x59800000 + .long 0x43300000 + .long 0 .section ".text" ENTRY (__rint) #ifdef SHARED mflr r11 - cfi_register(lr,r11) -# ifdef HAVE_ASM_PPC_REL16 - bcl 20,31,1f -1: mflr r9 - addis r9,r9,.LC0-1b@ha - lfs fp13,.LC0-1b@l(r9) -# else bl _GLOBAL_OFFSET_TABLE_@local-4 mflr r10 lwz r9,.LC0@got(10) - lfs fp13,0(r9) -# endif mtlr r11 - cfi_same_value (lr) + lfd fp13,0(r9) #else lis r9,.LC0@ha - lfs fp13,.LC0@l(r9) + lfd fp13,.LC0@l(r9) #endif fabs fp0,fp1 fsub fp12,fp13,fp13 /* generate 0.0 */ @@ -58,14 +57,13 @@ ENTRY (__rint) bng- cr6,.L4 fadd fp1,fp1,fp13 /* x+= TWO52; */ fsub fp1,fp1,fp13 /* x-= TWO52; */ - fabs fp1,fp1 /* if (x == 0.0) */ - blr /* x = 0.0; */ + blr .L4: bnllr- cr6 /* if (x < 0.0) */ - fsub fp1,fp1,fp13 /* x-= TWO52; */ - fadd fp1,fp1,fp13 /* x+= TWO52; */ - fnabs fp1,fp1 /* if (x == 0.0) */ - blr /* 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) @@ -74,6 +72,3 @@ weak_alias (__rint, rint) weak_alias (__rint, rintl) strong_alias (__rint, __rintl) #endif -#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0) -compat_symbol (libm, __rint, rintl, GLIBC_2_0) -#endif |