Andi
At 11:26 PM 9/8/2004 -0700, Sterling Hughes wrote:
this is actually a relevant discussion for internals...
---------- Forwarded message ---------- From: Sterling Hughes <[EMAIL PROTECTED]> Date: Wed, 8 Sep 2004 23:26:00 -0700 Subject: Re: [ZEND-ENGINE-CVS] cvs: ZendEngine2 / zend_compile.h zend_exceptions.c zend_execute.c zend_execute.h zend_execute_API.c zend_opcode.c zend_vm.h zend_vm_handlers.h zend_vm_spec.h To: Andi Gutmans <[EMAIL PROTECTED]> Cc: [EMAIL PROTECTED]
> > Added files: > /ZendEngine2 zend_vm.h zend_vm_handlers.h zend_vm_spec.h > > Modified files: > /ZendEngine2 zend_compile.h zend_exceptions.c zend_execute.c > zend_execute.h zend_execute_API.c zend_opcode.c > Log: > - Some architectural changes: > a) We specialize opcodes according to op_type fields. Each opcode has to > be marked with which op_type's it uses. > b) We support different execution methods. Function handlers, switch() > and goto dispatching. goto seems to be the fastest but it really > depends on the compiler and how well it optimizes. I suggest playing > around with optimization flags. > > - Warning: Things might break so keep us posted on how things are going. > (Dmitry, Andi)
How could someone like the APC optimizer now hook into this system and add a new instruction without modifying the executor?
-Sterling
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