This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

[PATCH, middle-end]: Convert (int)logb() into ilogb().

From: "Uros Bizjak" <ubizjak at gmail dot com>
To: "GCC Patches" <gcc-patches at gcc dot gnu dot org>
Date: Wed, 31 Jan 2007 09:28:36 +0100
Subject: [PATCH, middle-end]: Convert (int)logb() into ilogb().

Hello!

This patch implements a small optimization opportunity by converting
(int)logb() into ilogb() for -ffast-math.

Patch was bootstrapped and regression tested on i686-pc-linux-gnu for
all default languages. OK for mainline?

2007-01-31 Uros Bizjak <ubizjak@gmail.com>

* convert.c (convert_to_integer): Convert (int)logb() into ilogb().

testsuite/ChangeLog:

2007-01-31 Uros Bizjak <ubizjak@gmail.com>

* gcc.dg/builtins-63.c: New test.

Uros.

Attachment: ilogb.diff
Description: Binary data

Follow-Ups:
- Re: [PATCH, middle-end]: Convert (int)logb() into ilogb().
  - From: Paolo Bonzini

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]