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Re: Generate -zero RTX expression

From: Ian Lance Taylor <iant at google dot com>
To: Revital1 Eres <ERES at il dot ibm dot com>
Cc: gcc at gcc dot gnu dot org
Date: 26 Feb 2007 21:47:07 -0800
Subject: Re: Generate -zero RTX expression
References: <OF515DBDAC.518776A7-ONC225728E.0051930D-C225728E.0051EF6D@il.ibm.com>

Revital1 Eres <ERES@il.ibm.com> writes:

> I appreciate it if someone could tell me how I can create a -0 RTX
> expression (like CONST0_RTX)?

The easy way is something along the lines of:
    simplify_gen_unary (NEG, mode, CONST0_RTX (mode), mode)

Ian

References:
- Generate -zero RTX expression
  - From: Revital1 Eres

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