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register allocation
- From: qiongc at cse dot unsw dot edu dot au (Qiong Cai)
- To: gcc at gcc dot gnu dot org
- Date: Sun, 2 May 2004 23:27:33 +1000
- Subject: register allocation
Hi,
I'm going to study register allocation in GCC. Currently GCC has
two register allocators. Here some questions:
* Is there any performance results(eg. spec2k results) available for
these two allocators?
* Besides those ra*.[c,h] files, is tthere any other source files related
to register allocation?
* Which function, if available, calcuate the register pressure,
which is the defined as the max number of live variable for a basic block?
Many thanks.
Qiong