diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc32/fpu/s_floorf.S')
| -rw-r--r-- | sysdeps/powerpc/powerpc32/fpu/s_floorf.S | 41 |
1 files changed, 20 insertions, 21 deletions
diff --git a/sysdeps/powerpc/powerpc32/fpu/s_floorf.S b/sysdeps/powerpc/powerpc32/fpu/s_floorf.S index 99fbdc5f86..154bc30ff7 100644 --- a/sysdeps/powerpc/powerpc32/fpu/s_floorf.S +++ b/sysdeps/powerpc/powerpc32/fpu/s_floorf.S @@ -1,5 +1,5 @@ /* float Floor function. 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 @@ -14,38 +14,38 @@ 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., 51 Franklin Street, Fifth Floor, Boston MA - 02110-1301 USA. */ + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ #include <sysdep.h> - .section .rodata.cst4,"aM",@progbits,4 - .align 2 + .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 0x4b000000 + .long 0x41600000 + .long 0 .section ".text" ENTRY (__floorf) 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 - 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 fsubs fp12,fp13,fp13 /* generate 0.0 */ @@ -56,16 +56,15 @@ ENTRY (__floorf) ble- cr6,.L4 fadds fp1,fp1,fp13 /* x+= TWO23; */ fsubs fp1,fp1,fp13 /* x-= TWO23; */ - fabs fp1,fp1 /* if (x == 0.0) */ - /* x = 0.0; */ + 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; */ - fnabs fp1,fp1 /* if (x == 0.0) */ - /* x = -0.0; */ .L9: mtfsf 0x01,fp11 /* restore previous rounding mode. */ blr |