* [patch, avr] PR 58655
@ 2016-06-21 10:27 Pitchumani Sivanupandi
2016-06-21 16:09 ` [patch, avr,wwwdocs] " Georg-Johann Lay
0 siblings, 1 reply; 5+ messages in thread
From: Pitchumani Sivanupandi @ 2016-06-21 10:27 UTC (permalink / raw)
To: GCC Patches; +Cc: Georg-Johann Lay, Denis Chertykov
[-- Attachment #1: Type: text/plain, Size: 423 bytes --]
Attached patches add documentation for -mfract-convert-truncate option
and add that info to release notes (gcc-4.9 changes).
If OK, could someone commit please? I do not have commit access.
Regards,
Pitchumani
gcc/ChangeLog
2016-06-21  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
  PR target/58655
    * doc/invoke.texi (AVR Options): Document -mfract-convert-truncate
  option.
[-- Attachment #2: PR58655-doc.patch --]
[-- Type: text/x-patch, Size: 986 bytes --]
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -643,8 +643,8 @@ Objective-C and Objective-C++ Dialects}.
@emph{AVR Options}
@gccoptlist{-mmcu=@var{mcu} -maccumulate-args -mbranch-cost=@var{cost} @gol
-mcall-prologues -mint8 -mn_flash=@var{size} -mno-interrupts @gol
--mrelax -mrmw -mstrict-X -mtiny-stack -nodevicelib -Waddr-space-convert @gol
--Wmisspelled-isr}
+-mrelax -mrmw -mstrict-X -mtiny-stack -mfract-convert-truncate -nodevicelib @gol
+-Waddr-space-convert -Wmisspelled-isr}
@emph{Blackfin Options}
@gccoptlist{-mcpu=@var{cpu}@r{[}-@var{sirevision}@r{]} @gol
@@ -14586,6 +14586,10 @@ sbiw r26, const ; X -= const
@opindex mtiny-stack
Only change the lower 8@tie{}bits of the stack pointer.
+@item -mfract-convert-truncate
+@opindex mfract-convert-truncate
+Allow to use truncation instead of rounding towards 0 for fractional int types.
+
@item -nodevicelib
@opindex nodevicelib
Don't link against AVR-LibC's device specific library @code{lib<mcu>.a}.
[-- Attachment #3: PR58655-gcc-49-changes.patch --]
[-- Type: text/x-patch, Size: 564 bytes --]
--- a/wwwdocs/htdocs/gcc-4.9/changes.html
+++ b/wwwdocs/htdocs/gcc-4.9/changes.html
@@ -579,6 +579,14 @@ auto incr(T x) { return x++; }
size when compiling for the M-profile processors.
</li>
</ul>
+<h3 id="avr">AVR</h3>
+<ul>
+ <li>
+ A new command-line option -mfract-convert-truncate has been added.
+ It allows compiler to use truncation instead of rounding towards
+ 0 for fractional int types.
+ </li>
+</ul>
<h3 id="x86">IA-32/x86-64</h3>
<ul>
<li><code>-mfpmath=sse</code> is now implied by <code>-ffast-math</code>
^ permalink raw reply [flat|nested] 5+ messages in thread* Re: [patch, avr,wwwdocs] PR 58655
2016-06-21 10:27 [patch, avr] PR 58655 Pitchumani Sivanupandi
@ 2016-06-21 16:09 ` Georg-Johann Lay
2016-06-22 6:35 ` Pitchumani Sivanupandi
0 siblings, 1 reply; 5+ messages in thread
From: Georg-Johann Lay @ 2016-06-21 16:09 UTC (permalink / raw)
To: Pitchumani Sivanupandi; +Cc: GCC Patches, Denis Chertykov
Pitchumani Sivanupandi schrieb:
> Attached patches add documentation for -mfract-convert-truncate option
> and add that info to release notes (gcc-4.9 changes).
>
> If OK, could someone commit please? I do not have commit access.
>
> Regards,
> Pitchumani
>
> gcc/ChangeLog
>
> 2016-06-21 Pitchumani Sivanupandi <pitchumani.s@atmel.com>
>
> PR target/58655
> * doc/invoke.texi (AVR Options): Document -mfract-convert-truncate
> option.
>
> --- a/wwwdocs/htdocs/gcc-4.9/changes.html
> +++ b/wwwdocs/htdocs/gcc-4.9/changes.html
> @@ -579,6 +579,14 @@ auto incr(T x) { return x++; }
> size when compiling for the M-profile processors.
> </li>
> </ul>
> +<h3 id="avr">AVR</h3>
> +<ul>
> + <li>
> + A new command-line option -mfract-convert-truncate has been added.
<code> tags around the option.
> + It allows compiler to use truncation instead of rounding towards
> + 0 for fractional int types.
"zero" instead of "0", and it's for fixed-point types, not for int types.
> + </li>
> +</ul>
> <h3 id="x86">IA-32/x86-64</h3>
> <ul>
> <li><code>-mfpmath=sse</code> is now implied by <code>-ffast-math</code>
> Attached patches add documentation for -mfract-convert-truncate option
> and add that info to release notes (gcc-4.9 changes).
>
> If OK, could someone commit please? I do not have commit access.
>
> Regards,
> Pitchumani
>
> gcc/ChangeLog
>
> 2016-06-21 Pitchumani Sivanupandi <pitchumani.s@atmel.com>
>
> PR target/58655
> * doc/invoke.texi (AVR Options): Document -mfract-convert-truncate
> option.
>
>
>
> --- a/gcc/doc/invoke.texi
> +++ b/gcc/doc/invoke.texi
> @@ -643,8 +643,8 @@ Objective-C and Objective-C++ Dialects}.
> @emph{AVR Options}
> @gccoptlist{-mmcu=@var{mcu} -maccumulate-args -mbranch-cost=@var{cost} @gol
> -mcall-prologues -mint8 -mn_flash=@var{size} -mno-interrupts @gol
> --mrelax -mrmw -mstrict-X -mtiny-stack -nodevicelib -Waddr-space-convert @gol
> --Wmisspelled-isr}
> +-mrelax -mrmw -mstrict-X -mtiny-stack -mfract-convert-truncate -nodevicelib @gol
> +-Waddr-space-convert -Wmisspelled-isr}
>
> @emph{Blackfin Options}
> @gccoptlist{-mcpu=@var{cpu}@r{[}-@var{sirevision}@r{]} @gol
> @@ -14586,6 +14586,10 @@ sbiw r26, const ; X -= const
> @opindex mtiny-stack
> Only change the lower 8@tie{}bits of the stack pointer.
>
> +@item -mfract-convert-truncate
> +@opindex mfract-convert-truncate
> +Allow to use truncation instead of rounding towards 0 for fractional int types.
Same here: "zero" and "fixed-point".
> +
> @item -nodevicelib
> @opindex nodevicelib
> Don't link against AVR-LibC's device specific library @code{lib<mcu>.a}.
Thanks, Johann
^ permalink raw reply [flat|nested] 5+ messages in thread* Re: [patch, avr,wwwdocs] PR 58655
2016-06-21 16:09 ` [patch, avr,wwwdocs] " Georg-Johann Lay
@ 2016-06-22 6:35 ` Pitchumani Sivanupandi
2016-06-27 12:10 ` Pitchumani Sivanupandi
0 siblings, 1 reply; 5+ messages in thread
From: Pitchumani Sivanupandi @ 2016-06-22 6:35 UTC (permalink / raw)
To: Georg-Johann Lay; +Cc: GCC Patches, Denis Chertykov
[-- Attachment #1: Type: text/plain, Size: 2129 bytes --]
On Tuesday 21 June 2016 09:39 PM, Georg-Johann Lay wrote:
> Pitchumani Sivanupandi schrieb:
>> Attached patches add documentation for -mfract-convert-truncate option
>> and add that info to release notes (gcc-4.9 changes).
>>
>> If OK, could someone commit please? I do not have commit access.
>>
>> Regards,
>> Pitchumani
>>
>> gcc/ChangeLog
>>
>> 2016-06-21 Pitchumani Sivanupandi <pitchumani.s@atmel.com>
>>
>> PR target/58655
>> * doc/invoke.texi (AVR Options): Document -mfract-convert-truncate
>> option.
>>
>> --- a/wwwdocs/htdocs/gcc-4.9/changes.html
>> +++ b/wwwdocs/htdocs/gcc-4.9/changes.html
>> @@ -579,6 +579,14 @@ auto incr(T x) { return x++; }
>> size when compiling for the M-profile processors.
>> </li>
>> </ul>
>> +<h3 id="avr">AVR</h3>
>> +<ul>
>> + <li>
>> + A new command-line option -mfract-convert-truncate has been added.
>
> <code> tags around the option.
>
>> + It allows compiler to use truncation instead of rounding towards
>> + 0 for fractional int types.
>
> "zero" instead of "0", and it's for fixed-point types, not for int types.
>
>> + </li>
>> +</ul>
>> <h3 id="x86">IA-32/x86-64</h3>
>> <ul>
>> <li><code>-mfpmath=sse</code> is now implied by
>> <code>-ffast-math</code>
...
>> @emph{Blackfin Options}
>> @gccoptlist{-mcpu=@var{cpu}@r{[}-@var{sirevision}@r{]} @gol
>> @@ -14586,6 +14586,10 @@ sbiw r26, const ; X -= const
>> @opindex mtiny-stack
>> Only change the lower 8@tie{}bits of the stack pointer.
>>
>> +@item -mfract-convert-truncate
>> +@opindex mfract-convert-truncate
>> +Allow to use truncation instead of rounding towards 0 for fractional
>> int types.
>
> Same here: "zero" and "fixed-point".
>
>> +
>> @item -nodevicelib
>> @opindex nodevicelib
>> Don't link against AVR-LibC's device specific library
>> @code{lib<mcu>.a}.
>
Thanks Johann.
Updated the patches.
Regards,
Pitchumani
gcc/ChangeLog
2016-06-22 Pitchumani Sivanupandi <pitchumani.s@atmel.com>
PR target/58655
* config/avr/avr.opt (-mfract-convert-truncate): Update description.
* doc/invoke.texi (AVR Options): Document it.
[-- Attachment #2: PR58655-doc.patch --]
[-- Type: text/x-patch, Size: 1621 bytes --]
diff --git a/gcc/config/avr/avr.opt b/gcc/config/avr/avr.opt
index 05aa4b6..1af792b 100644
--- a/gcc/config/avr/avr.opt
+++ b/gcc/config/avr/avr.opt
@@ -97,7 +97,7 @@ Warn if the ISR is misspelled, i.e. without __vector prefix. Enabled by default.
mfract-convert-truncate
Target Report Mask(FRACT_CONV_TRUNC)
-Allow to use truncation instead of rounding towards 0 for fractional int types.
+Allow to use truncation instead of rounding towards zero for fractional fixed-point types.
nodevicelib
Driver Target Report RejectNegative
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index e000218..040fb6e 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -643,8 +643,8 @@ Objective-C and Objective-C++ Dialects}.
@emph{AVR Options}
@gccoptlist{-mmcu=@var{mcu} -maccumulate-args -mbranch-cost=@var{cost} @gol
-mcall-prologues -mint8 -mn_flash=@var{size} -mno-interrupts @gol
--mrelax -mrmw -mstrict-X -mtiny-stack -nodevicelib -Waddr-space-convert @gol
--Wmisspelled-isr}
+-mrelax -mrmw -mstrict-X -mtiny-stack -mfract-convert-truncate -nodevicelib @gol
+-Waddr-space-convert -Wmisspelled-isr}
@emph{Blackfin Options}
@gccoptlist{-mcpu=@var{cpu}@r{[}-@var{sirevision}@r{]} @gol
@@ -14586,6 +14586,10 @@ sbiw r26, const ; X -= const
@opindex mtiny-stack
Only change the lower 8@tie{}bits of the stack pointer.
+@item -mfract-convert-truncate
+@opindex mfract-convert-truncate
+Allow to use truncation instead of rounding towards zero for fractional fixed-point types.
+
@item -nodevicelib
@opindex nodevicelib
Don't link against AVR-LibC's device specific library @code{lib<mcu>.a}.
[-- Attachment #3: PR58655-gcc-49-changes.patch --]
[-- Type: text/x-patch, Size: 589 bytes --]
--- a/wwwdocs/htdocs/gcc-4.9/changes.html
+++ b/wwwdocs/htdocs/gcc-4.9/changes.html
@@ -579,6 +579,14 @@ auto incr(T x) { return x++; }
size when compiling for the M-profile processors.
</li>
</ul>
+<h3 id="avr">AVR</h3>
+<ul>
+ <li>
+ A new command-line option <code>-mfract-convert-truncate</code> has been
+ added. It allows compiler to use truncation instead of rounding towards
+ zero for fractional fixed-point types.
+ </li>
+</ul>
<h3 id="x86">IA-32/x86-64</h3>
<ul>
<li><code>-mfpmath=sse</code> is now implied by <code>-ffast-math</code>
^ permalink raw reply [flat|nested] 5+ messages in thread* Re: [patch, avr,wwwdocs] PR 58655
2016-06-22 6:35 ` Pitchumani Sivanupandi
@ 2016-06-27 12:10 ` Pitchumani Sivanupandi
2016-06-28 18:11 ` Denis Chertykov
0 siblings, 1 reply; 5+ messages in thread
From: Pitchumani Sivanupandi @ 2016-06-27 12:10 UTC (permalink / raw)
To: Denis Chertykov; +Cc: GCC Patches, Georg-Johann Lay
Ping!
On Wednesday 22 June 2016 12:05 PM, Pitchumani Sivanupandi wrote:
> On Tuesday 21 June 2016 09:39 PM, Georg-Johann Lay wrote:
>> Pitchumani Sivanupandi schrieb:
>>> Attached patches add documentation for -mfract-convert-truncate option
>>> and add that info to release notes (gcc-4.9 changes).
>>>
>>> If OK, could someone commit please? I do not have commit access.
>>>
>>> Regards,
>>> Pitchumani
>>>
>>> gcc/ChangeLog
>>>
>>> 2016-06-21 Pitchumani Sivanupandi <pitchumani.s@atmel.com>
>>>
>>> PR target/58655
>>> * doc/invoke.texi (AVR Options): Document -mfract-convert-truncate
>>> option.
>>>
>>> --- a/wwwdocs/htdocs/gcc-4.9/changes.html
>>> +++ b/wwwdocs/htdocs/gcc-4.9/changes.html
>>> @@ -579,6 +579,14 @@ auto incr(T x) { return x++; }
>>> size when compiling for the M-profile processors.
>>> </li>
>>> </ul>
>>> +<h3 id="avr">AVR</h3>
>>> +<ul>
>>> + <li>
>>> + A new command-line option -mfract-convert-truncate has been added.
>>
>> <code> tags around the option.
>>
>>> + It allows compiler to use truncation instead of rounding towards
>>> + 0 for fractional int types.
>>
>> "zero" instead of "0", and it's for fixed-point types, not for int
>> types.
>>
>>> + </li>
>>> +</ul>
>>> <h3 id="x86">IA-32/x86-64</h3>
>>> <ul>
>>> <li><code>-mfpmath=sse</code> is now implied by
>>> <code>-ffast-math</code>
> ...
>>> @emph{Blackfin Options}
>>> @gccoptlist{-mcpu=@var{cpu}@r{[}-@var{sirevision}@r{]} @gol
>>> @@ -14586,6 +14586,10 @@ sbiw r26, const ; X -= const
>>> @opindex mtiny-stack
>>> Only change the lower 8@tie{}bits of the stack pointer.
>>>
>>> +@item -mfract-convert-truncate
>>> +@opindex mfract-convert-truncate
>>> +Allow to use truncation instead of rounding towards 0 for fractional
>>> int types.
>>
>> Same here: "zero" and "fixed-point".
>>
>>> +
>>> @item -nodevicelib
>>> @opindex nodevicelib
>>> Don't link against AVR-LibC's device specific library
>>> @code{lib<mcu>.a}.
>>
> Thanks Johann.
>
> Updated the patches.
>
> Regards,
> Pitchumani
>
> gcc/ChangeLog
>
> 2016-06-22 Pitchumani Sivanupandi <pitchumani.s@atmel.com>
>
> PR target/58655
> * config/avr/avr.opt (-mfract-convert-truncate): Update description.
> * doc/invoke.texi (AVR Options): Document it.
>
>
^ permalink raw reply [flat|nested] 5+ messages in thread* Re: [patch, avr,wwwdocs] PR 58655
2016-06-27 12:10 ` Pitchumani Sivanupandi
@ 2016-06-28 18:11 ` Denis Chertykov
0 siblings, 0 replies; 5+ messages in thread
From: Denis Chertykov @ 2016-06-28 18:11 UTC (permalink / raw)
To: Pitchumani Sivanupandi; +Cc: GCC Patches, Georg-Johann Lay
Committed.
2016-06-27 14:41 GMT+03:00 Pitchumani Sivanupandi
<pitchumani.sivanupandi@atmel.com>:
> Ping!
>
>
> On Wednesday 22 June 2016 12:05 PM, Pitchumani Sivanupandi wrote:
>>
>> On Tuesday 21 June 2016 09:39 PM, Georg-Johann Lay wrote:
>>>
>>> Pitchumani Sivanupandi schrieb:
>>>>
>>>> Attached patches add documentation for -mfract-convert-truncate option
>>>> and add that info to release notes (gcc-4.9 changes).
>>>>
>>>> If OK, could someone commit please? I do not have commit access.
>>>>
>>>> Regards,
>>>> Pitchumani
>>>>
>>>> gcc/ChangeLog
>>>>
>>>> 2016-06-21 Pitchumani Sivanupandi <pitchumani.s@atmel.com>
>>>>
>>>> PR target/58655
>>>> * doc/invoke.texi (AVR Options): Document -mfract-convert-truncate
>>>> option.
>>>>
>>>> --- a/wwwdocs/htdocs/gcc-4.9/changes.html
>>>> +++ b/wwwdocs/htdocs/gcc-4.9/changes.html
>>>> @@ -579,6 +579,14 @@ auto incr(T x) { return x++; }
>>>> size when compiling for the M-profile processors.
>>>> </li>
>>>> </ul>
>>>> +<h3 id="avr">AVR</h3>
>>>> +<ul>
>>>> + <li>
>>>> + A new command-line option -mfract-convert-truncate has been added.
>>>
>>>
>>> <code> tags around the option.
>>>
>>>> + It allows compiler to use truncation instead of rounding towards
>>>> + 0 for fractional int types.
>>>
>>>
>>> "zero" instead of "0", and it's for fixed-point types, not for int types.
>>>
>>>> + </li>
>>>> +</ul>
>>>> <h3 id="x86">IA-32/x86-64</h3>
>>>> <ul>
>>>> <li><code>-mfpmath=sse</code> is now implied by
>>>> <code>-ffast-math</code>
>>
>> ...
>>>>
>>>> @emph{Blackfin Options}
>>>> @gccoptlist{-mcpu=@var{cpu}@r{[}-@var{sirevision}@r{]} @gol
>>>> @@ -14586,6 +14586,10 @@ sbiw r26, const ; X -= const
>>>> @opindex mtiny-stack
>>>> Only change the lower 8@tie{}bits of the stack pointer.
>>>>
>>>> +@item -mfract-convert-truncate
>>>> +@opindex mfract-convert-truncate
>>>> +Allow to use truncation instead of rounding towards 0 for fractional
>>>> int types.
>>>
>>>
>>> Same here: "zero" and "fixed-point".
>>>
>>>> +
>>>> @item -nodevicelib
>>>> @opindex nodevicelib
>>>> Don't link against AVR-LibC's device specific library
>>>> @code{lib<mcu>.a}.
>>>
>>>
>> Thanks Johann.
>>
>> Updated the patches.
>>
>> Regards,
>> Pitchumani
>>
>> gcc/ChangeLog
>>
>> 2016-06-22 Pitchumani Sivanupandi <pitchumani.s@atmel.com>
>>
>> PR target/58655
>> * config/avr/avr.opt (-mfract-convert-truncate): Update description.
>> * doc/invoke.texi (AVR Options): Document it.
>>
>>
>
^ permalink raw reply [flat|nested] 5+ messages in thread
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2016-06-21 10:27 [patch, avr] PR 58655 Pitchumani Sivanupandi
2016-06-21 16:09 ` [patch, avr,wwwdocs] " Georg-Johann Lay
2016-06-22 6:35 ` Pitchumani Sivanupandi
2016-06-27 12:10 ` Pitchumani Sivanupandi
2016-06-28 18:11 ` Denis Chertykov
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