target-ppc: add comments about constants introduced in revision 6046

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6069 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2008-12-16 10:44:29 +00:00
parent f9664682a7
commit 01feec0814
1 changed files with 3 additions and 3 deletions

View File

@ -1519,7 +1519,7 @@ uint64_t helper_fsqrt (uint64_t arg)
uint64_t helper_fre (uint64_t arg)
{
CPU_DoubleU fone, farg;
fone.ll = 0x3FF0000000000000ULL;
fone.ll = 0x3FF0000000000000ULL; /* 1.0 */
farg.ll = arg;
if (unlikely(float64_is_signaling_nan(farg.d))) {
@ -1550,7 +1550,7 @@ uint64_t helper_fre (uint64_t arg)
uint64_t helper_fres (uint64_t arg)
{
CPU_DoubleU fone, farg;
fone.ll = 0x3FF0000000000000ULL;
fone.ll = 0x3FF0000000000000ULL; /* 1.0 */
farg.ll = arg;
if (unlikely(float64_is_signaling_nan(farg.d))) {
@ -1586,7 +1586,7 @@ uint64_t helper_fres (uint64_t arg)
uint64_t helper_frsqrte (uint64_t arg)
{
CPU_DoubleU fone, farg;
fone.ll = 0x3FF0000000000000ULL;
fone.ll = 0x3FF0000000000000ULL; /* 1.0 */
farg.ll = arg;
if (unlikely(float64_is_signaling_nan(farg.d))) {