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Re: [tree-ssa] Fix mudflap codegen and allow optimizations [patch]

From: Diego Novillo <dnovillo at redhat dot com>
To: Andrew Pinski <pinskia at physics dot uc dot edu>
Cc: "Frank Ch. Eigler" <fche at redhat dot com>, gcc-patches at gcc dot gnu dot org
Date: Sun, 27 Apr 2003 23:56:06 -0400
Subject: Re: [tree-ssa] Fix mudflap codegen and allow optimizations [patch]
Organization: Red Hat Canada
References: <20030428032228.GA28194@tornado.toronto.redhat.com> <CC16FBA4-792B-11D7-BA53-000393A6D2F2@physics.uc.edu>

On Sun, Apr 27, 2003 at 11:45:04PM -0400, Andrew Pinski wrote:
> Which process is that PowerPC, the timings are totally different 
> between processors.
> Also the branch predictor are also totally different.  Same Problem in 
> x86 but not as drastic.
> 
$ cat /proc/cpuinfo
processor       : 0
cpu             : 7450, altivec supported
clock           : 733MHz
revision        : 2.0 (pvr 8000 0200)
bogomips        : 730.72
zero pages      : total: 0 (0Kb) current: 0 (0Kb) hits: 0/0 (0%)
machine         : PowerMac3,5
motherboard     : PowerMac3,5 MacRISC2 MacRISC Power Macintosh
L2 cache        : 256K unified
memory          : 128MB
pmac-generation : NewWorld


Maybe we could generate different trees for different targets,
but I don't want to fall into that trap until we haven't fixed
the more obvious problems.


Diego.

References:
- Re: [tree-ssa] Fix mudflap codegen and allow optimizations [patch]
  - From: Diego Novillo
- Re: [tree-ssa] Fix mudflap codegen and allow optimizations [patch]
  - From: Andrew Pinski

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