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mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when generating code for TARGET_64BIT.

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        * mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when
        generating code for TARGET_64BIT.

From-SVN: r24646
This commit is contained in:
Jeff Law 1999-01-12 17:02:31 -07:00
parent 58f93603b6
commit a872728cc9
1 changed files with 8 additions and 3 deletions
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11
gcc/config/mips/mips.h
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@ -1,5 +1,5 @@
/* Definitions of target machine for GNU compiler. MIPS version.
Copyright (C) 1989, 90-97, 1998 Free Software Foundation, Inc.
Copyright (C) 1989, 90-98, 1999 Free Software Foundation, Inc.
Contributed by A. Lichnewsky (lich@inria.inria.fr).
Changed by Michael Meissner (meissner@osf.org).
64 bit r4000 support by Ian Lance Taylor (ian@cygnus.com) and
@ -1443,8 +1443,13 @@ do { \
/* Define if loading in MODE, an integral mode narrower than BITS_PER_WORD
will either zero-extend or sign-extend. The value of this macro should
be the code that says which one of the two operations is implicitly
done, NIL if none. */
#define LOAD_EXTEND_OP(MODE) ZERO_EXTEND
done, NIL if none.
When in 64 bit mode, mips_move_1word will sign extend SImode and CCmode
moves. All other referces are zero extended. */
#define LOAD_EXTEND_OP(MODE) \
(TARGET_64BIT && ((MODE) == SImode || (MODE) == CCmode) \
? SIGN_EXTEND : ZERO_EXTEND)
/* Define this macro if it is advisable to hold scalars in registers
in a wider mode than that declared by the program. In such cases,