diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc64/fpu/s_ceil.S')
| -rw-r--r-- | sysdeps/powerpc/powerpc64/fpu/s_ceil.S | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/sysdeps/powerpc/powerpc64/fpu/s_ceil.S b/sysdeps/powerpc/powerpc64/fpu/s_ceil.S index 77fe0f3c96..252d94f51e 100644 --- a/sysdeps/powerpc/powerpc64/fpu/s_ceil.S +++ b/sysdeps/powerpc/powerpc64/fpu/s_ceil.S @@ -1,5 +1,5 @@ /* ceil function. PowerPC64 version. - Copyright (C) 2004-2016 Free Software Foundation, Inc. + Copyright (C) 2004-2018 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 @@ -18,28 +18,31 @@ #include <sysdep.h> #include <math_ldbl_opt.h> +#include <libm-alias-double.h> .section ".toc","aw" .LC0: /* 2**52 */ .tc FD_43300000_0[TC],0x4330000000000000 .section ".text" -EALIGN (__ceil, 4, 0) +ENTRY (__ceil, 4) CALL_MCOUNT 0 - mffs fp11 /* Save current FPU rounding mode. */ lfd fp13,.LC0@toc(2) fabs fp0,fp1 fsub fp12,fp13,fp13 /* generate 0.0 */ fcmpu cr7,fp0,fp13 /* if (fabs(x) > TWO52) */ + mffs fp11 /* Save current FPU rounding mode and + "inexact" state. */ fcmpu cr6,fp1,fp12 /* if (x > 0.0) */ - bnllr- cr7 + bnl- cr7,.L10 mtfsfi 7,2 /* Set rounding mode toward +inf. */ ble- cr6,.L4 fadd fp1,fp1,fp13 /* x+= TWO52; */ fsub fp1,fp1,fp13 /* x-= TWO52; */ fabs fp1,fp1 /* if (x == 0.0) */ /* x = 0.0; */ - mtfsf 0x01,fp11 /* restore previous rounding mode. */ + mtfsf 0xff,fp11 /* Restore previous rounding mode and + "inexact" state. */ blr .L4: bge- cr6,.L9 /* if (x < 0.0) */ @@ -48,16 +51,15 @@ EALIGN (__ceil, 4, 0) fnabs fp1,fp1 /* if (x == 0.0) */ /* x = -0.0; */ .L9: - mtfsf 0x01,fp11 /* restore previous rounding mode. */ + mtfsf 0xff,fp11 /* Restore previous rounding mode and + "inexact" state. */ + blr +.L10: + /* Ensure sNaN input is converted to qNaN. */ + fcmpu cr7,fp1,fp1 + beqlr cr7 + fadd fp1,fp1,fp1 blr END (__ceil) -weak_alias (__ceil, ceil) - -#ifdef NO_LONG_DOUBLE -weak_alias (__ceil, ceill) -strong_alias (__ceil, __ceill) -#endif -#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0) -compat_symbol (libm, __ceil, ceill, GLIBC_2_0) -#endif +libm_alias_double (__ceil, ceil) |