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(SECONDARY_MEMORY_NEEDED): New macro. 

From-SVN: r5242
This commit is contained in:
Richard Kenner 1993-09-01 18:41:53 -04:00
parent eb4e800377
commit 7ea555a4fc
1 changed files with 6 additions and 0 deletions
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6
gcc/config/rs6000/rs6000.h
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@ -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.