diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc32/power7/fpu/s_isnan.S')
| -rw-r--r-- | sysdeps/powerpc/powerpc32/power7/fpu/s_isnan.S | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/sysdeps/powerpc/powerpc32/power7/fpu/s_isnan.S b/sysdeps/powerpc/powerpc32/power7/fpu/s_isnan.S deleted file mode 100644 index 524a4a6a32..0000000000 --- a/sysdeps/powerpc/powerpc32/power7/fpu/s_isnan.S +++ /dev/null @@ -1,90 +0,0 @@ -/* isnan(). PowerPC32/POWER7 version. - Copyright (C) 2010-2019 Free Software Foundation, Inc. - Contributed by Luis Machado <luisgpm@br.ibm.com>. - 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, see - <http://www.gnu.org/licenses/>. */ - -#include <sysdep.h> -#include <math_ldbl_opt.h> - -/* int __isnan(x) */ - .section .rodata.cst8,"aM",@progbits,8 - .align 3 -.LC0: /* 1.0 */ - .quad 0x3ff0000000000000 - - .section ".text" - .type __isnan, @function - .machine power7 -ENTRY (__isnan) -#ifdef SHARED - mflr r11 - cfi_register(lr,r11) - - SETUP_GOT_ACCESS(r9,got_label) - addis r9,r9,.LC0-got_label@ha - lfd fp0,.LC0-got_label@l(r9) - - mtlr r11 - cfi_same_value (lr) -#else - lis r9,.LC0@ha - lfd fp0,.LC0@l(r9) -#endif - ftdiv cr7,fp1,fp0 - li r3,0 - bflr 30 /* If not NaN or Inf, finish. */ - - /* We have -INF/+INF/NaN or a denormal. */ - - stwu r1,-16(r1) /* Allocate stack space. */ - stfd fp1,8(r1) /* Transfer FP to GPR's. */ - ori 2,2,0 /* Force a new dispatch group. */ - lwz r4,8+HIWORD(r1) /* Load the upper half of the FP value. */ - lwz r5,8+LOWORD(r1) /* Load the lower half of the FP value. */ - addi r1,r1,16 /* Reset the stack pointer. */ - lis r0,0x7ff0 /* Load the upper portion for an INF/NaN. */ - clrlwi r4,r4,1 /* r4 = abs(r4). */ - cmpw cr7,r4,r0 /* if (abs(r4) <= inf). */ - cmpwi cr6,r5,0 /* r5 == 0x00000000? */ - bltlr cr7 /* LT means we have a denormal. */ - bgt cr7,L(NaN) /* GT means we have a NaN. */ - beqlr cr6 /* EQ means we have +/-INF. */ -L(NaN): - li r3,1 /* x == NaN? */ - blr - END (__isnan) - -hidden_def (__isnan) -weak_alias (__isnan, isnan) - -/* It turns out that the 'double' version will also always work for - single-precision. */ -strong_alias (__isnan, __isnanf) -hidden_def (__isnanf) -weak_alias (__isnanf, isnanf) - -#ifdef NO_LONG_DOUBLE -strong_alias (__isnan, __isnanl) -weak_alias (__isnan, isnanl) -#endif - -#if !IS_IN (libm) -# if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0) -compat_symbol (libc, __isnan, __isnanl, GLIBC_2_0); -compat_symbol (libc, isnan, isnanl, GLIBC_2_0); -# endif -#endif |