* config/h8300/h8300.h (ELIMINABLE_REGS): Update a coment.

From-SVN: r73996
This commit is contained in:
Kazu Hirata 2003-11-27 17:20:33 +00:00 committed by Kazu Hirata
parent 8dae21e71a
commit 7e92075449
2 changed files with 10 additions and 4 deletions

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@ -1,3 +1,7 @@
2003-11-27 Kazu Hirata <kazu@cs.umass.edu>
* config/h8300/h8300.h (ELIMINABLE_REGS): Update a coment.
2003-11-27 Kazu Hirata <kazu@cs.umass.edu>
* config/h8300/h8300.md: Give names to anonymous insns.

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@ -570,10 +570,12 @@ enum reg_class {
followed by "to". Eliminations of the same "from" register are listed
in order of preference.
We have two registers that can be eliminated on the h8300. First, the
frame pointer register can often be eliminated in favor of the stack
pointer register. Secondly, the argument pointer register can always be
eliminated; it is replaced with either the stack or frame pointer. */
We have three registers that can be eliminated on the h8300.
First, the frame pointer register can often be eliminated in favor
of the stack pointer register. Secondly, the argument pointer
register and the return address pointer register are always
eliminated; they are replaced with either the stack or frame
pointer. */
#define ELIMINABLE_REGS \
{{ ARG_POINTER_REGNUM, STACK_POINTER_REGNUM}, \