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Re: [avr-gcc-list] [AVR] RTL prologue/epilogue ver.3
From: |
Georg-Johann Lay |
Subject: |
Re: [avr-gcc-list] [AVR] RTL prologue/epilogue ver.3 |
Date: |
Fri, 14 Oct 2011 09:50:47 +0200 |
User-agent: |
Thunderbird 2.0.0.24 (X11/20100302) |
Boyapati, Anitha schrieb:
>> I am completely in line with Eric: Your debugger will have to get smarter
>> and not the compiler get dumb again.
>>
>> Johann
>
> As it was put, it is more of a performance question than about the
> correctness of it. I am not sure what exactly the issue is, but you are
> right that one cannot rely on rcall/ret matching sequences.
You mean the performance of the *debugger* ???
Shouldn't be an issue as the code just has to be scanned once (statically).
> At first glance it appeared that the although we are achieving both
> performance and size gain using rcall for stack allocation, the code looked
> very misleading.
Optimized code is to perform nicely, not to win beauty contest ;-)
Johann
>
> Anitha
>
- Re: [avr-gcc-list] [AVR] RTL prologue/epilogue ver.3, (continued)
- Re: [avr-gcc-list] [AVR] RTL prologue/epilogue ver.3, Boyapati, Anitha, 2011/10/13
- Re: [avr-gcc-list] [AVR] RTL prologue/epilogue ver.3, Weddington, Eric, 2011/10/13
- Re: [avr-gcc-list] [AVR] RTL prologue/epilogue ver.3, Georg-Johann Lay, 2011/10/13
- Re: [avr-gcc-list] [AVR] RTL prologue/epilogue ver.3, Weddington, Eric, 2011/10/13
- Re: [avr-gcc-list] [AVR] RTL prologue/epilogue ver.3, Georg-Johann Lay, 2011/10/13
- Re: [avr-gcc-list] [AVR] RTL prologue/epilogue ver.3, Weddington, Eric, 2011/10/13
- Re: [avr-gcc-list] [AVR] RTL prologue/epilogue ver.3, Georg-Johann Lay, 2011/10/13
- Re: [avr-gcc-list] [AVR] RTL prologue/epilogue ver.3, Weddington, Eric, 2011/10/13
Re: [avr-gcc-list] [AVR] RTL prologue/epilogue ver.3, Boyapati, Anitha, 2011/10/14
Re: [avr-gcc-list] [AVR] RTL prologue/epilogue ver.3, Boyapati, Anitha, 2011/10/14
- Re: [avr-gcc-list] [AVR] RTL prologue/epilogue ver.3,
Georg-Johann Lay <=