This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
Re: What is a paradoxical subreg?
- To: Erik Corry <erik at arbat dot com>
- Subject: Re: What is a paradoxical subreg?
- From: Zack Weinberg <zack at rabi dot columbia dot edu>
- Date: Sun, 02 May 1999 07:23:13 -0400
- cc: egcs at egcs dot cygnus dot com
On Sun, 2 May 1999 13:12:28 +0200, Erik Corry wrote:
>What is a paradoxical subreg? I couldn't find any documentation/
>comments describing this.
A subreg wider than its reg is paradoxical. (subreg:SI (reg:HI 12) 0)
for example. See the `Registers and Memory' subsection of gcc.info,
which comes from rtl.texi.
zw