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Re: Porting GCC troubles : about register window

From: Richard Henderson <rth at redhat dot com>
To: chen haibo <chbchb1130 at yahoo dot com dot cn>
Cc: Hans-Peter Nilsson <hp at bitrange dot com>, gcc at gcc dot gnu dot org
Date: Tue, 30 Sep 2003 09:33:41 -0700
Subject: Re: Porting GCC troubles : about register window
References: <Pine.BSF.4.44.0309300246500.54745-100000@dair.pair.com> <20030930131254.8768.qmail@web9505.mail.yahoo.com>

On Tue, Sep 30, 2003 at 09:12:54PM +0800, chen haibo wrote:
> But it will need some redundant instructions in each function, thus too much
> execution overhead and increased code size.

This is why Sparc traps on register stack full, and the kernel
saves the registers and frees the register window entries.

r~

References:
- Re: Porting GCC troubles : about register window
  - From: Hans-Peter Nilsson
- Re: Porting GCC troubles : about register window
  - From: chen haibo

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