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| author | Kyrylo Tkachov <kyrylo.tkachov@arm.com> | 2016-10-05 14:57:14 +0000 |
|---|---|---|
| committer | Kyrylo Tkachov <ktkachov@gcc.gnu.org> | 2016-10-05 14:57:14 +0000 |
| commit | 37a1d58a10eb8b176c8fac2a25bd8ca8cba0a91e (patch) | |
| tree | 6e74c991466d293548ba5786c62793824add2229 | |
| parent | aaae096a1ad2bfc378769eb7f73892813049a533 (diff) | |
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[fold-const] Fix native_encode_real for HFmode constants
* fold-const.c (native_encode_real): Fix logic for selecting offset
to write to when BYTES_BIG_ENDIAN.
From-SVN: r240791
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/fold-const.c | 11 |
2 files changed, 15 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 81e4235..6b4dc9c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2016-10-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com> + + * fold-const.c (native_encode_real): Fix logic for selecting offset + to write to when BYTES_BIG_ENDIAN. + 2016-10-05 Wilco Dijkstra <wdijkstr@arm.com> * builtins.c (fold_builtin_strchr): Remove function. diff --git a/gcc/fold-const.c b/gcc/fold-const.c index a6b7ec7d..65c75f6 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -7142,7 +7142,16 @@ native_encode_real (const_tree expr, unsigned char *ptr, int len, int off) offset += byte % UNITS_PER_WORD; } else - offset = BYTES_BIG_ENDIAN ? 3 - byte : byte; + { + offset = byte; + if (BYTES_BIG_ENDIAN) + { + /* Reverse bytes within each long, or within the entire float + if it's smaller than a long (for HFmode). */ + offset = MIN (3, total_bytes - 1) - offset; + gcc_assert (offset >= 0); + } + } offset = offset + ((bitpos / BITS_PER_UNIT) & ~3); if (offset >= off && offset - off < len) |