diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc32/fpu/s_floor.S')
| -rw-r--r-- | sysdeps/powerpc/powerpc32/fpu/s_floor.S | 45 |
1 files changed, 25 insertions, 20 deletions
diff --git a/sysdeps/powerpc/powerpc32/fpu/s_floor.S b/sysdeps/powerpc/powerpc32/fpu/s_floor.S index 143f907b18..a29e4791ea 100644 --- a/sysdeps/powerpc/powerpc32/fpu/s_floor.S +++ b/sysdeps/powerpc/powerpc32/fpu/s_floor.S @@ -1,5 +1,5 @@ /* Floor function. PowerPC32 version. - Copyright (C) 2004 Free Software Foundation, Inc. + Copyright (C) 2004, 2006 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 @@ -14,38 +14,39 @@ 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. */ + Software Foundation, Inc., 1 Franklin Street, Fifth Floor, Boston MA + 02110-1301 USA. */ #include <sysdep.h> +#include <math_ldbl_opt.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 + .section .rodata.cst4,"aM",@progbits,4 + .align 2 .LC0: /* 2**52 */ - .long 0x43300000 - .long 0 + .long 0x59800000 .section ".text" ENTRY (__floor) mffs fp11 /* Save current FPU rounding mode. */ #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 - lfd fp13,0(r9) + cfi_same_value (lr) #else lis r9,.LC0@ha - lfd fp13,.LC0@l(r9) + lfs fp13,.LC0@l(r9) #endif fabs fp0,fp1 fsub fp12,fp13,fp13 /* generate 0.0 */ @@ -56,15 +57,16 @@ ENTRY (__floor) ble- cr6,.L4 fadd fp1,fp1,fp13 /* x+= TWO52; */ fsub fp1,fp1,fp13 /* x-= TWO52; */ - fcmpu cr5,fp1,fp12 /* if (x > 0.0) */ + fabs fp1,fp1 /* if (x == 0.0) */ + /* 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; */ + fnabs fp1,fp1 /* if (x == 0.0) */ + /* x = -0.0; */ .L9: mtfsf 0x01,fp11 /* restore previous rounding mode. */ blr @@ -76,3 +78,6 @@ weak_alias (__floor, floor) weak_alias (__floor, floorl) strong_alias (__floor, __floorl) #endif +#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0) +compat_symbol (libm, __floor, floorl, GLIBC_2_0) +#endif |