From: Dmitry <diwil@eis.ru>
To: gcc@gnu.org
Subject: condition codes question
Date: Tue, 29 Oct 2002 10:24:00 -0000 [thread overview]
Message-ID: <200210291421.02399.diwil@eis.ru> (raw)
Fellows,
My arch has no SImode comparison instructions. So, I have to perform them as
subsi and then branch. In this case a scratch register required. But, if the
CC is NE or EQ, sub insn and scratch are not required.
I can define two insn patterns - one for ne/eq comparisons and another for
others. Then call them from expander. But there I have to know a condition
code.
Therefore the question is:
Is it possible to get a condition code in CC expander?
Thanks in advance,
Dmitry.
next reply other threads:[~2002-10-29 11:23 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-29 10:24 Dmitry [this message]
2002-10-31 11:41 ` Richard Henderson
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