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| author | Richard Kenner <kenner@gcc.gnu.org> | 1993-09-01 18:41:53 -0400 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1993-09-01 18:41:53 -0400 |
| commit | 7ea555a4fc8b9545f7ccd71e8a8e8703c22f5056 (patch) | |
| tree | 712ff65a3c5e999714e4e626ad605268d683d0fd | |
| parent | eb4e8003779f378da296e06a7ad0548cad10048e (diff) | |
| download | gcc-7ea555a4fc8b9545f7ccd71e8a8e8703c22f5056.zip gcc-7ea555a4fc8b9545f7ccd71e8a8e8703c22f5056.tar.gz gcc-7ea555a4fc8b9545f7ccd71e8a8e8703c22f5056.tar.bz2 | |
(SECONDARY_MEMORY_NEEDED): New macro.
From-SVN: r5242
| -rw-r--r-- | gcc/config/rs6000/rs6000.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/config/rs6000/rs6000.h b/gcc/config/rs6000/rs6000.h index f50c6b3..e4706fc 100644 --- a/gcc/config/rs6000/rs6000.h +++ b/gcc/config/rs6000/rs6000.h @@ -558,6 +558,12 @@ enum reg_class { NO_REGS, BASE_REGS, GENERAL_REGS, FLOAT_REGS, #define SECONDARY_RELOAD_CLASS(CLASS,MODE,IN) \ secondary_reload_class (CLASS, MODE, IN) +/* If we are copying between FP registers and anything else, we need a memory + location. */ + +#define SECONDARY_MEMORY_NEEDED(CLASS1,CLASS2,MODE) \ + ((CLASS1) != (CLASS2) && ((CLASS1) == FLOAT_REGS || (CLASS2) == FLOAT_REGS)) + /* Return the maximum number of consecutive registers needed to represent mode MODE in a register of class CLASS. |