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h8300.h (IRA_COVER_CLASSES): Define. 

* h8300.h (IRA_COVER_CLASSES): Define.

From-SVN: r140074
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Jeff Law 2008-09-06 15:00:02 -06:00 committed by Jeff Law
parent 6ad9475ec8
commit f8505a3616
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gcc/ChangeLog
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@ -1,3 +1,7 @@
2008-09-06 Jeff Law <law@redhat.com>
* h8300.h (IRA_COVER_CLASSES): Define.
2008-09-06 Jan Hubicka <jh@suse.cz>
PR tree-optimization/14703

13
gcc/config/h8300/h8300.h
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@ -354,6 +354,19 @@ enum reg_class {
{ "NO_REGS", "COUNTER_REGS", "SOURCE_REGS", "DESTINATION_REGS", \
"GENERAL_REGS", "MAC_REGS", "ALL_REGS", "LIM_REGS" }
/* The following macro defines cover classes for Integrated Register
Allocator. Cover classes is a set of non-intersected register
classes covering all hard registers used for register allocation
purpose. Any move between two registers of a cover class should be
cheaper than load or store of the registers. The macro value is
array of register classes with LIM_REG_CLASSES used as the end
marker. */
#define IRA_COVER_CLASSES \
{ \
GENERAL_REGS, MAC_REGS, LIM_REG_CLASSES \
}
/* Define which registers fit in which classes.
This is an initializer for a vector of HARD_REG_SET
of length N_REG_CLASSES. */