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| author | Stephane Carrez <Stephane.Carrez@worldnet.fr> | 2000-09-08 22:16:40 +0200 |
|---|---|---|
| committer | Stephane Carrez <ciceron@gcc.gnu.org> | 2000-09-08 22:16:40 +0200 |
| commit | dfaf3cdbc47cb897ddb1ade88e8d9f77bc9608a3 (patch) | |
| tree | 1dc567b8266ce8479953260b70b01007f3e1f8f3 /gcc/config/fp-bit.c | |
| parent | f246ff2351ae53fa7ee78f29320225db84127f58 (diff) | |
| download | gcc-dfaf3cdbc47cb897ddb1ade88e8d9f77bc9608a3.tar.gz | |
Unsigned -> float conversion for fp-bit.c
From-SVN: r36274
Diffstat (limited to 'gcc/config/fp-bit.c')
| -rw-r--r-- | gcc/config/fp-bit.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/gcc/config/fp-bit.c b/gcc/config/fp-bit.c index 70a3f254ccd..5f88518982f 100644 --- a/gcc/config/fp-bit.c +++ b/gcc/config/fp-bit.c @@ -1169,6 +1169,38 @@ si_to_float (SItype arg_a) } #endif /* L_si_to_sf || L_si_to_df */ +#if defined(L_usi_to_sf) || defined(L_usi_to_df) +FLO_type +usi_to_float (USItype arg_a) +{ + fp_number_type in; + + in.sign = 0; + if (!arg_a) + { + in.class = CLASS_ZERO; + } + else + { + in.class = CLASS_NUMBER; + in.normal_exp = FRACBITS + NGARDS; + in.fraction.ll = arg_a; + + while (in.fraction.ll > (1LL << (FRACBITS + NGARDS))) + { + in.fraction.ll >>= 1; + in.normal_exp += 1; + } + while (in.fraction.ll < (1LL << (FRACBITS + NGARDS))) + { + in.fraction.ll <<= 1; + in.normal_exp -= 1; + } + } + return pack_d (&in); +} +#endif + #if defined(L_sf_to_si) || defined(L_df_to_si) SItype float_to_si (FLO_type arg_a) |