Roger Sayle - Re: [PATCH]: fold cabs(x+xi) and (x,0)-(0,y) (original) (raw)

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• From: Roger Sayle
• To: "Kaveh R. GHAZI"
• Cc: gcc-patches at gcc dot gnu dot org
• Date: Sat, 3 Feb 2007 08:14:00 -0700 (MST)
• Subject: Re: [PATCH]: fold cabs(x+xi) and (x,0)-(0,y)

Hi Kaveh,

On Sat, 3 Feb 2007, Kaveh R. GHAZI wrote:

2007-02-02 Kaveh R. Ghazi ghazi@caip.rutgers.edu

* builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
fabs(x)*sqrt(2).
* fold-const.c (fold_binary): Fix comment typos.  Fold complex
(x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).

* gcc.dg/builtins-54.c: Add more cases.

This is OK for mainline. Thanks.

Roger

• References:
  • [PATCH]: fold cabs(x+xi) and (x,0)-(0,y)
    * From: Kaveh R. GHAZI