From: Jim Wilson Date: Wed, 24 Jan 1996 19:54:00 +0000 (-0800) Subject: (struct induction): New fields always_executed and X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=125e4dcf94ec1c0b4f9a42dad9de754bbdfa1926;p=gcc.git (struct induction): New fields always_executed and auto_inc_opt. From-SVN: r11089 --- diff --git a/gcc/loop.h b/gcc/loop.h index 4c9c483e411..fdb2f1fe32e 100644 --- a/gcc/loop.h +++ b/gcc/loop.h @@ -75,7 +75,9 @@ struct induction even if further info is available. Both this and the above can be zero. */ unsigned ignore : 1; /* 1 prohibits further processing of giv */ - unsigned always_computable : 1;/* 1 if this set occurs each iteration */ + unsigned always_computable : 1;/* 1 if this value is computable every + iteration. */ + unsigned always_executed : 1; /* 1 if this set occurs each iteration. */ unsigned maybe_multiple : 1; /* Only used for a biv and 1 if this biv update may be done multiple times per iteration. */ @@ -88,6 +90,8 @@ struct induction unsigned maybe_dead : 1; /* 1 if this giv might be dead. In that case, we won't use it to eliminate a biv, it would probably lose. */ + unsigned auto_inc_opt : 1; /* 1 if this giv had its increment output next + to it to try to form an auto-inc address. */ int lifetime; /* Length of life of this giv */ int times_used; /* # times this giv is used. */ rtx derive_adjustment; /* If nonzero, is an adjustment to be