diff options
Diffstat (limited to 'gcc/config/fr30/fr30.h')
-rw-r--r-- | gcc/config/fr30/fr30.h | 18 |
1 files changed, 0 insertions, 18 deletions
diff --git a/gcc/config/fr30/fr30.h b/gcc/config/fr30/fr30.h index ed675b16e6a..93e4e8dbbec 100644 --- a/gcc/config/fr30/fr30.h +++ b/gcc/config/fr30/fr30.h @@ -384,24 +384,6 @@ enum reg_class will reload one or both registers only if neither labeling works. */ #define REGNO_OK_FOR_INDEX_P(NUM) 1 -/* A C expression that places additional restrictions on the register class to - use when it is necessary to copy value X into a register in class CLASS. - The value is a register class; perhaps CLASS, or perhaps another, smaller - class. On many machines, the following definition is safe: - - #define PREFERRED_RELOAD_CLASS(X,CLASS) CLASS - - Sometimes returning a more restrictive class makes better code. For - example, on the 68000, when X is an integer constant that is in range for a - `moveq' instruction, the value of this macro is always `DATA_REGS' as long - as CLASS includes the data registers. Requiring a data register guarantees - that a `moveq' will be used. - - If X is a `const_double', by returning `NO_REGS' you can force X into a - memory constant. This is useful on certain machines where immediate - floating values cannot be loaded into certain kinds of registers. */ -#define PREFERRED_RELOAD_CLASS(X, CLASS) CLASS - /* A C expression for the maximum number of consecutive registers of class CLASS needed to hold a value of mode MODE. |