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| author | John Tytgat <John@bass-software.com> | 2012-12-13 12:05:30 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@gcc.gnu.org> | 2012-12-13 12:05:30 +0000 |
| commit | 65f141179f4af86da654e1a0787c58f7ecf60c72 (patch) | |
| tree | 4bfc026f2e849ce992ec69513cc07d54a2adba38 | |
| parent | 3ecce8a1ff83d1462ced908c44c8179aee4c2852 (diff) | |
| download | gcc-65f141179f4af86da654e1a0787c58f7ecf60c72.zip gcc-65f141179f4af86da654e1a0787c58f7ecf60c72.tar.gz gcc-65f141179f4af86da654e1a0787c58f7ecf60c72.tar.bz2 | |
fp16.c (__gnu_f2h_internal): Fix inaccuracy when aexp is 25.
* config/arm/fp16.c (__gnu_f2h_internal): Fix inaccuracy when aexp
is 25.
From-SVN: r194474
| -rw-r--r-- | libgcc/ChangeLog | 5 | ||||
| -rw-r--r-- | libgcc/config/arm/fp16.c | 8 |
2 files changed, 8 insertions, 5 deletions
diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog index 95b95b1..df3dfee 100644 --- a/libgcc/ChangeLog +++ b/libgcc/ChangeLog @@ -1,3 +1,8 @@ +2012-12-13 John Tytgat <John@bass-software.com> + + * config/arm/fp16.c (__gnu_f2h_internal): Fix inaccuracy when aexp + is 25. + 2012-12-12 Jakub Jelinek <jakub@redhat.com> PR libgcc/55451 diff --git a/libgcc/config/arm/fp16.c b/libgcc/config/arm/fp16.c index 936caeb..786830f 100644 --- a/libgcc/config/arm/fp16.c +++ b/libgcc/config/arm/fp16.c @@ -47,11 +47,9 @@ __gnu_f2h_internal(unsigned int a, int ieee) mantissa |= 0x00800000; if (aexp < -14) { - mask = 0x007fffff; - if (aexp < -25) - aexp = -26; - else if (aexp != -25) - mask >>= 24 + aexp; + mask = 0x00ffffff; + if (aexp >= -25) + mask >>= 25 + aexp; } else mask = 0x00001fff; |