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| author | Jeff Law <law@gcc.gnu.org> | 1999-01-12 17:02:31 -0700 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1999-01-12 17:02:31 -0700 |
| commit | a872728cc96704de89715ba6033b3200c56f477f (patch) | |
| tree | e0f46c8782fad2b57be2c6a95e6e0ff93a2e6c35 /gcc | |
| parent | 58f93603b6a030b7f74ed5fdef1cc78aa8b0e2d5 (diff) | |
| download | gcc-a872728cc96704de89715ba6033b3200c56f477f.zip gcc-a872728cc96704de89715ba6033b3200c56f477f.tar.gz gcc-a872728cc96704de89715ba6033b3200c56f477f.tar.bz2 | |
mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when generating code for TARGET_64BIT.
0
* mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when
generating code for TARGET_64BIT.
From-SVN: r24646
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/mips/mips.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/gcc/config/mips/mips.h b/gcc/config/mips/mips.h index c0e5438..091a841 100644 --- a/gcc/config/mips/mips.h +++ b/gcc/config/mips/mips.h @@ -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, |