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h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and HImode on all architectures and a... 

* h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
        HImode on all architectures and a combination of HImode and SImode
        on H8/300H and H8/S.

From-SVN: r35372
This commit is contained in:
Kazu Hirata 2000-07-31 12:51:11 +00:00 committed by Jeff Law
parent 9492393e34
commit 184ef18e6a
2 changed files with 11 additions and 1 deletions
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gcc/ChangeLog
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@ -1,5 +1,9 @@
2000-07-31 Kazu Hirata <kazu@hxi.com>
* h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
HImode on all architectures and a combination of HImode and SImode
on H8/300H and H8/S.
* h8300.c (split_adds_subs): Rearrange code for conciseness.
Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>

8
gcc/config/h8300/h8300.h
View File

@ -308,7 +308,13 @@ do { \
when one has mode MODE1 and one has mode MODE2.
If HARD_REGNO_MODE_OK could produce different values for MODE1 and MODE2,
for any hard reg, then this must be 0 for correct output. */
#define MODES_TIEABLE_P(MODE1, MODE2) ((MODE1) == (MODE2))
#define MODES_TIEABLE_P(MODE1, MODE2) \
((MODE1) == (MODE2) \
|| ((MODE1) == HImode && (MODE2) == QImode) \
|| ((MODE1) == QImode && (MODE2) == HImode) \
|| ((TARGET_H8300H || TARGET_H8300S) \
&& (((MODE1) == SImode && (MODE2) == HImode) \
|| ((MODE1) == HImode && (MODE2) == SImode))))
/* Specify the registers used for certain standard purposes.
The values of these macros are register numbers. */