diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc64/power5+/fpu/s_llround.S')
| -rw-r--r-- | sysdeps/powerpc/powerpc64/power5+/fpu/s_llround.S | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/sysdeps/powerpc/powerpc64/power5+/fpu/s_llround.S b/sysdeps/powerpc/powerpc64/power5+/fpu/s_llround.S index c4aa2e2486..1fce5c472a 100644 --- a/sysdeps/powerpc/powerpc64/power5+/fpu/s_llround.S +++ b/sysdeps/powerpc/powerpc64/power5+/fpu/s_llround.S @@ -1,5 +1,5 @@ /* llround function. POWER5+, PowerPC64 version. - Copyright (C) 2006 Free Software Foundation, Inc. + Copyright (C) 2006-2014 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 @@ -18,13 +18,13 @@ #include <sysdep.h> #include <math_ldbl_opt.h> - + /* long long [r3] llround (float x [fp1]) - IEEE 1003.1 llround function. IEEE specifies "round to the nearest + IEEE 1003.1 llround function. IEEE specifies "round to the nearest integer value, rounding halfway cases away from zero, regardless of the current rounding mode." However PowerPC Architecture defines - "round to Nearest" as "Choose the best approximation. In case of a - tie, choose the one that is even (least significant bit o).". + "round to Nearest" as "Choose the best approximation. In case of a + tie, choose the one that is even (least significant bit o).". So we pre-round using the V2.02 Floating Round to Integer Nearest instruction before we use Floating Convert to Integer Word with round to zero instruction. */ @@ -32,7 +32,7 @@ .machine "power5" EALIGN (__llround, 4, 0) CALL_MCOUNT 0 - frin fp2, fp1 /* Round to nearest +-0.5. */ + frin fp2, fp1 /* Round to nearest +-0.5. */ fctidz fp3, fp2 /* Convert To Integer DW round toward 0. */ stfd fp3, -16(r1) nop /* Insure the following load is in a different dispatch group */ |