diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc32/power5+/fpu/s_lround.S')
| -rw-r--r-- | sysdeps/powerpc/powerpc32/power5+/fpu/s_lround.S | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/sysdeps/powerpc/powerpc32/power5+/fpu/s_lround.S b/sysdeps/powerpc/powerpc32/power5+/fpu/s_lround.S index 0fa359d..d4da625 100644 --- a/sysdeps/powerpc/powerpc32/power5+/fpu/s_lround.S +++ b/sysdeps/powerpc/powerpc32/power5+/fpu/s_lround.S @@ -17,13 +17,13 @@ <http://www.gnu.org/licenses/>. */ #include <sysdep.h> #include <math_ldbl_opt.h> - + /* long [r3] lround (float x [fp1]) - IEEE 1003.1 lround function. IEEE specifies "round to the nearest + IEEE 1003.1 lround 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 the Floating Convert to Integer Word with round to zero instruction. */ |