2011/3/22 Richard Henderson :
> On 03/22/2011 11:01 AM, Denis Chertykov wrote:
>> Seems strange, I have a many messages from patch:
>> patching file avr-protos.h
>> patching file avr.md
>> Hunk #1 succeeded at 2646 (offset -1 lines).
>> Hunk #2 succeeded at 3234 (offset -9 lines).
>> patching file
On 03/22/2011 11:01 AM, Denis Chertykov wrote:
> Seems strange, I have a many messages from patch:
> patching file avr-protos.h
> patching file avr.md
> Hunk #1 succeeded at 2646 (offset -1 lines).
> Hunk #2 succeeded at 3234 (offset -9 lines).
> patching file avr.c
> Hunk #2 succeeded at 250 with
2011/3/21 Georg-Johann Lay :
> Denis Chertykov schrieb:
>> 2011/3/18 Georg-Johann Lay :
>>
Is it tested for regressions ?
Denis.
>>> I ran tests against svn 170942 (latest 4.7.0 snapshot). Besides
>>> timestamps, the diff looks like this:
>>>
>>> 1435a1436,1437
XPASS: gcc.dg/sib
Denis Chertykov schrieb:
> 2011/3/18 Georg-Johann Lay :
>
>>> Is it tested for regressions ?
>>>
>>> Denis.
>> I ran tests against svn 170942 (latest 4.7.0 snapshot). Besides
>> timestamps, the diff looks like this:
>>
>> 1435a1436,1437
>>> XPASS: gcc.dg/sibcall-3.c execution test
>>> XPASS: gcc.d
2011/3/18 Georg-Johann Lay :
>> Is it tested for regressions ?
>>
>> Denis.
>
> I ran tests against svn 170942 (latest 4.7.0 snapshot). Besides
> timestamps, the diff looks like this:
>
> 1435a1436,1437
>> XPASS: gcc.dg/sibcall-3.c execution test
>> XPASS: gcc.dg/sibcall-4.c execution test
> 1630,
Denis Chertykov schrieb:
> 2011/3/16 Georg-Johann Lay
>> Richard Henderson schrieb:
>>> On 03/16/2011 03:32 AM, Georg-Johann Lay wrote:
>>>
Richard Henderson schrieb:
> On 03/11/2011 05:43 AM, Georg-Johann Lay wrote:
>
>> I did not find a way to make this work together wit
2011/3/16 Georg-Johann Lay
>
> Richard Henderson schrieb:
>>
>> On 03/16/2011 03:32 AM, Georg-Johann Lay wrote:
>>
>>> Richard Henderson schrieb:
>>>
On 03/11/2011 05:43 AM, Georg-Johann Lay wrote:
> I did not find a way to make this work together with -mcall-prologues.
> Please
Richard Henderson schrieb:
On 03/16/2011 03:32 AM, Georg-Johann Lay wrote:
Richard Henderson schrieb:
On 03/11/2011 05:43 AM, Georg-Johann Lay wrote:
I did not find a way to make this work together with -mcall-prologues.
Please let me know if you have suggestion on how call prologues can be
On 03/16/2011 03:32 AM, Georg-Johann Lay wrote:
> Richard Henderson schrieb:
>> On 03/11/2011 05:43 AM, Georg-Johann Lay wrote:
>>> I did not find a way to make this work together with -mcall-prologues.
>>> Please let me know if you have suggestion on how call prologues can be
>>> combine with tail
Richard Henderson schrieb:
> On 03/11/2011 05:43 AM, Georg-Johann Lay wrote:
>> I did not find a way to make this work together with -mcall-prologues.
>> Please let me know if you have suggestion on how call prologues can be
>> combine with tail calls.
>
> You need a new symbol in libgcc for this.
On 03/11/2011 05:43 AM, Georg-Johann Lay wrote:
> I did not find a way to make this work together with -mcall-prologues.
> Please let me know if you have suggestion on how call prologues can be
> combine with tail calls.
You need a new symbol in libgcc for this. It should be easy enough to have
t
>
>Boyapati, Anitha schrieb:
>
>> To be on same page, can you explain how gcc optimizes above case?
>
>in
>
>void bar0 (void);
>int bar1 (int);
>
>int foo (int x)
>{
>bar0();
>return bar1 (x);
>}
>
>x must be saved somewhere. avr-gcc choses Y.
>Compiled -Os -mmcu=atmega8 -fno-optimize-sibl
Boyapati, Anitha schrieb:
> To be on same page, can you explain how gcc optimizes above case?
in
void bar0 (void);
int bar1 (int);
int foo (int x)
{
bar0();
return bar1 (x);
}
x must be saved somewhere. avr-gcc choses Y.
Compiled -Os -mmcu=atmega8 -fno-optimize-sibling-calls reads
foo
Hi Georg,
>This is a patch to test/review/comment on. It adds tail call
>optimization to avr backend.
>
>The implementation uses struct machine_function to pass information
>around, i.e. from avr_function_arg_advance to avr_function_ok_for_sibcall.
>
>Tail call support is more general than avr-ld
> -Original Message-
> From: Georg-Johann Lay [mailto:a...@gjlay.de]
> Sent: Friday, March 11, 2011 7:59 AM
> To: Weddington, Eric
> Cc: gcc-patches@gcc.gnu.org; Denis Chertykov; Anatoly Sokolov; Boyapati,
> Anitha; Joerg Wunsch
> Subject: Re: [Patch][AVR]: Support
Weddington, Eric schrieb:
>
>> -Original Message-
>> From: Georg-Johann Lay [mailto:a...@gjlay.de]
>> Sent: Friday, March 11, 2011 6:44 AM
>> To: gcc-patches@gcc.gnu.org
>> Cc: Denis Chertykov; Anatoly Sokolov; Weddington, Eric; Boyapati, Anitha
>> Subject: [Patch][AVR]: Support tail calls
> -Original Message-
> From: Georg-Johann Lay [mailto:a...@gjlay.de]
> Sent: Friday, March 11, 2011 6:44 AM
> To: gcc-patches@gcc.gnu.org
> Cc: Denis Chertykov; Anatoly Sokolov; Weddington, Eric; Boyapati, Anitha
> Subject: [Patch][AVR]: Support tail calls
>
> This is a patch to test/rev
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