Fix comment describing ELIMINABLE_REGS

From-SVN: r33769
This commit is contained in:
Nick Clifton 2000-05-08 17:46:10 +00:00 committed by Nick Clifton
parent d207c3f7ff
commit afc2cd0575
2 changed files with 9 additions and 4 deletions

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@ -1,3 +1,7 @@
2000-05-08 Nick Clifton <nickc@cygnus.com>
* config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
2000-05-08 Bruce Korb <bkorb@gnu.org>
* fixinc/mkfixinc.sh: fixinc.sco is no longer used

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@ -1465,10 +1465,11 @@ pop{l} %0" \
followed by "to". Eliminations of the same "from" register are listed
in order of preference.
We have three registers that can be eliminated on the i386. First, the
hard frame pointer register can often be eliminated in favor of the stack
pointer register. Secondly, the argument and frame pointer register can
always be eliminated; They are replaced with either the stack or frame pointer. */
There are two registers that can always be eliminated on the i386.
The frame pointer and the arg pointer can be replaced by either the
hard frame pointer or to the stack pointer, depending upon the
circumstances. The hard frame pointer is not used before reload and
so it is not eligible for elimination. */
#define ELIMINABLE_REGS \
{{ ARG_POINTER_REGNUM, STACK_POINTER_REGNUM}, \