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* config/pdp11/pdp11.h (TARGET_HAS_NO_HW_DIVIDE): Define.

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From-SVN: r266439
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Paul Koning 2018-11-25 12:39:27 -05:00 committed by Paul Koning
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gcc/ChangeLog
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@ -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

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gcc/config/pdp11/pdp11.h
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@ -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. */