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| author | Paul Koning <ni1d@arrl.net> | 2018-11-25 12:39:27 -0500 |
|---|---|---|
| committer | Paul Koning <pkoning@gcc.gnu.org> | 2018-11-25 12:39:27 -0500 |
| commit | 537db3a2bc0a0225d2d19d8123f09dd38d20e55e (patch) | |
| tree | 29bf32686b49f4717640d56cd7bb7b322d18eda4 | |
| parent | 6d9434e5954ef5a450a8bd3fd3c3961545bc1d9c (diff) | |
| download | gcc-537db3a2bc0a0225d2d19d8123f09dd38d20e55e.zip gcc-537db3a2bc0a0225d2d19d8123f09dd38d20e55e.tar.gz gcc-537db3a2bc0a0225d2d19d8123f09dd38d20e55e.tar.bz2 | |
* config/pdp11/pdp11.h (TARGET_HAS_NO_HW_DIVIDE): Define.
From-SVN: r266439
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/config/pdp11/pdp11.h | 5 |
2 files changed, 9 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 343ea38..98dc32a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2018-11-25 Paul Koning <ni1d@arrl.net> + + * config/pdp11/pdp11.h (TARGET_HAS_NO_HW_DIVIDE): Define. + 2018-11-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> * doc/sourcebuild.texi (Effective-Target Keywords, Environment diff --git a/gcc/config/pdp11/pdp11.h b/gcc/config/pdp11/pdp11.h index 92c237b..e525bba 100644 --- a/gcc/config/pdp11/pdp11.h +++ b/gcc/config/pdp11/pdp11.h @@ -143,6 +143,11 @@ extern const struct real_format pdp11_d_format; /* Define this if move instructions will actually fail to work when given unaligned data. */ #define STRICT_ALIGNMENT 1 + +/* "HW_DIVIDE" actually means 64 by 32 bit divide. While some PDP11 + models have hardware divide, it is for 32 by 16 bits only, so we + call this platform "no hardware divide". */ +#define TARGET_HAS_NO_HW_DIVIDE 1 /* Standard register usage. */ |