вс, 25 авг. 2024 г. в 17:55, Jeff Law :
>
>
> On 8/23/24 6:20 AM, Richard Biener wrote:
> > On Fri, Aug 23, 2024 at 2:16 PM Georg-Johann Lay wrote:
> >>
> >> This patch overhauls the avr-ifelse mini-pass that optimizes
> >> two cbranch insns to one comparison and two branches.
> >>
> >> More opti
вс, 25 авг. 2024 г. в 20:15, Denis Chertykov :
>
>
>
> вс, 25 авг. 2024 г. в 17:55, Jeff Law :
>>
>>
>>
>> On 8/23/24 6:20 AM, Richard Biener wrote:
>> > On Fri, Aug 23, 2024 at 2:16 PM Georg-Johann Lay wrote:
>> >>
>> >> T
чт, 29 авг. 2024 г. в 12:22, Georg-Johann Lay :
> This patch adds a new C++ module avr-passes.cc for the avr-specific
> passes.
>
> There are currently 5 avr-specific passes, and since avr.cc has
> gotten fat, this patch moves the respective classes and support
> functions to avr-passes.cc.
>
> Co
чт, 29 авг. 2024 г. в 12:42, Georg-Johann Lay :
>
> Ping #2 for the patch to make better use of SREG, and some
> code clean-ups for trunk. No new regressions.
>
> #0 https://gcc.gnu.org/pipermail/gcc-patches/2024-August/659422.html
> #1 https://gcc.gnu.org/pipermail/gcc-patches/2024-August/660743.
пт, 30 авг. 2024 г. в 16:09, Georg-Johann Lay :
>
> There are cases, where opportunities to use POST_INC addressing
> only occur very late in the compilation process. Take for example
> the following function from AVR-LibC's qsort:
>
> void swapfunc (char *a, char *b, int n)
> {
> do
> {
пн, 2 сент. 2024 г. в 12:10, Georg-Johann Lay :
>
> Am 02.09.24 um 09:18 schrieb Jan Dubiec:
> > On 02.09.2024 08:49, Georg-Johann Lay wrote:
> >> Atmel is no more the AVR manufacturer. This patch removes the
> >> manufacturer from the file headers.
> >>
> >> Ok for trunk?
> > In this context, mic
чт, 12 сент. 2024 г. в 17:32, Georg-Johann Lay :
>
> This patch reworks avr_out_compare:
>
> Use new convenient helper functions that may be useful in
> other output functions, too.
>
> Generalized some special cases that only work for EQ and NE
> comparisons. For example, with the patch
>
> ;; R2
пт, 13 сент. 2024 г. в 15:08, Georg-Johann Lay :
>
> This is a no-op change that uses the recently added avr_byte()
> function instead of simplify_gen_subreg (QImode, ...
>
> Ok for trunk?
Ok.
Please, apply.
Denis
>
> Johann
>
> --
>
> AVR: Use avr_byte instead of simplify_gen_subreg (QImod
пт, 13 сент. 2024 г. в 20:41, Georg-Johann Lay :
>
> The transparent call insns like "*parityhi2.libgcc" output a single
> [R]CALL instruction that can be skipped by the skip instructions.
> Such insns have attribute "type" of "xcall" and can therefore
> be easily recognized.
>
> Ok for trunk?
Ple
сб, 14 сент. 2024 г. в 13:00, Georg-Johann Lay :
>
> This uses new rtx code copysign instead of an unspec.
> It also allows const_double as 2nd operand because gcc
> does not optimize code like
>
> __builtin_copysignf (x, -1.0f);
>
> Ok for trunk?
Ok. Please apply.
Denis.
>
> Johann
>
> --
>
>
сб, 14 сент. 2024 г. в 14:29, Georg-Johann Lay :
>
> This patch tidies up enum and struct tags that are
> not required in C++. It also uses rtx_code for
> RTX codes instead of RTX_CODE. RTX_CODE is now only
> used in #ifdef's in avr-protos.h.
>
> Ok for trunk?
Ok.
Please apply.
Denis.
>
> Joha
вс, 15 сент. 2024 г. в 19:32, Georg-Johann Lay :
>
> Unsigned comparisons may skip comparing the lower bytes when
> the according bytes of the constant are all zeros. For example,
>
> uint16 >= 0x1200
>
> is true iff
>
> hi8 (uint16) >= hi8 (0x1200)
>
> and similar for uint16 < 0x1200.
пн, 16 сент. 2024 г. в 19:45, Georg-Johann Lay :
>
> AVR-LibC has been moved to GitHub a while ago. This patch
> adjusts web links to the documentation and to the project
> page.
>
> Ok for trunk?
Please apply.
Denis.
>
> Johann
>
> --
>
> AVR: Update weblinks to AVR-LibC.
>
> AVR-LibC has move
2013/8/26 Joern Rennecke :
> This patch fixes the gcc.dg/c99-stdint-5.c and gcc.dg/c99-stdint-6.c excess
> error
> failures.
>
> Tested for atmega128-sim.
>
> OK to apply?
>
> 2013-05-26 Joern Rennecke
>
> * config/avr/avr-stdint.h (INT16_TYPE): Change default to "int".
> (UINT16
2013/8/26 Joern Rennecke :
> The gcc.dg/fixed-point/convert-accum-neg.c execution test fails for avr
> because for fractional integer to accumulator / integer conversions,
> the avr target rounds towards -infinity, whereas we are supposed to round
> towards 0.
>
> The attached patch implements roun
2012/9/30 Georg-Johann Lay :
> Denis Chertykov schrieb:
>>
>> Georg-Johann Lay:
>>
>>> PR52543 required to represent a load from non-generic address spaces as
>>> UNSPEC
>>> instead of as MEM to avoid a gross code bloat.
>>>
>>> htt
2012/9/30 Georg-Johann Lay :
>> Denis Chertykov wrote:
>> I have tried to use secondary a few years ago (may be 5 or 7).
>> I have definitely remember only one thing: secondary reload should be
>> avoided as long as possible.
>
>
> Currently each mov has to be dec
2012/10/5 Georg-Johann Lay :
> As already discussed, this patch removes the -mshort-calls command option from
> avr-gcc.
>
> Ok to apply?
>
> If the change is on order, changes to wwwdocs will follow, i.e. deprecate the
> option in 4.7 and tell it is removed in the 4.8 caveats.
>
> Johann
>
>
>
2012/10/17 Georg-Johann Lay :
> avr_extra_arch_macro is not really needed, it just holds
> avr_current_device->macro.
>
> Thus, this tiny tidy up.
>
> Ok for trunk?
>
> Johann
>
>
> * config/avr/avr-arch.h (avr_extra_arch_macro): Remove prototype.
> * config/avr/avr.c (avr_extra_ar
2013/11/3 Richard Sandiford :
> The __builtin_avr_insert_bits code uses a double_int to handle the mask,
> but AIUI the mask has exactly 32 bits. Is that right? If so, would it be
> OK to use "unsigned int" instead? I realise this might seem like pointless
> churn, but it would help out with the
2016-02-01 16:56 GMT+03:00 Senthil Kumar Selvaraj
:
>
> Hi,
>
> This patch sets PARAM_ALLOW_STORE_DATA_RACES to 1 (the default until
> a year back), to avoid code size regressions in trunk (and probably
> 5.x )for the AVR target.
>
> Consider the following piece of code
>
> volatile int z;
2013/11/23 Mike Stump :
> Richi has asked the we break the wide-int patch so that the individual port
> and front end maintainers can review their parts without have to go through
> the entire patch.This patch covers the avr port.
>
> Ok?
>
Ok.
Excuse my long delay. I was on vacation.
Pleas
2013/11/18 Senthil Kumar Selvaraj :
> Ping!
>
> Regards
> Senthil
>
> On Mon, Nov 04, 2013 at 06:45:19PM +0530, Senthil Kumar Selvaraj wrote:
>> The AVR backend does not generate position independent code, yet it
>> happily accepts -fpic, -fPIC, -fpie and -fPIE. The generated code
>> doesn't change
2015-07-21 15:54 GMT+03:00 Georg-Johann Lay :
> This works around an assumption in optabs, namely that if a widening-mul
> insn is available but no mul3 insn, then the widening multiplication
> insn is preferred over expanding the multiply as a libcall.
>
> The problem occurs only if !AVR_HAVE_MUL
2015-10-28 9:28 GMT+03:00 Senthil Kumar Selvaraj
:
>
> Ping!
>
> Regards
> Senthil
> On Fri, Oct 16, 2015 at 03:17:17PM +0530, Senthil Kumar Selvaraj wrote:
> > Ping!
> >
> > Regards
> > Senthil
> >
> > On Mon, Oct 05, 2015 at 02:30:58PM +0530, Senthil Kumar Selvaraj wrote:
> > > Hi,
> > >
> > >
2015-11-18 9:36 GMT+03:00 Sivanupandi, Pitchumani
:
> Attached patch adds new Atmel devices to avr-gcc.
> If Ok, could someone commit please? I do not have commit access.
>
> Regards,
> Pitchumani
>
> gcc/ChangeLog
>
> 2015-11-18 Pitchumani Sivanupandi
>
> * config/avr/avr-mcus.def: Add
2017-06-12 11:40 GMT+04:00 Georg-Johann Lay :
> On 12.06.2017 08:30, Pitchumani Sivanupandi wrote:
>>
>> On Friday 09 June 2017 03:59 PM, Georg-Johann Lay wrote:
>>>
>>> Hi,
>>>
>>> This patch adds support for devices that can access flash memory
>>> by LD* instructions, hence there is no need to p
2018-01-08 20:19 GMT+04:00 Georg-Johann Lay :
> This PR skips saving of any registers in main.
>
> Attribute OS_main can do this as well, however we can just drop
> any saves / restores in all optimized compilation -- not even
> the test suite needs these saves.
>
> The feature can still be switche
Committed.
2018-01-09 Georg-Johann Lay
PR target/84209
* config/avr/avr.h (GENERAL_REGNO_P, GENERAL_REG_P): New macros.
* config/avr/avr.md: Only post-reload split REG-REG moves if
either register is REGERAL_REG_P.
--- config/avr/avr.h (revision 257384)
+++ config/av
This is a new one.
http://www.microchip.com/design-centers/8-bit/microchip-avr-mcus
2018-03-10 20:15 GMT+04:00 Gerald Pfeifer :
> It appears this link at atmel.com has been taken down without
> what appears a replacement, so I applied the patch below.
>
> Denis, if you have a new reference, happy
2014-08-20 18:36 GMT+04:00 Sivanupandi, Pitchumani
:
> Attached patch removes avr devices that are not released
> (may not be released in near future also).
>
> If OK, could someone commit please?
>
> Regards,
> Pitchumani
>
> gcc/ChangeLog
>
> 2014-08-20 Pitchumani Sivanupandi
>
> * config/a
2014-10-08 21:50 GMT+04:00 Joern Rennecke :
> As the steering commitee still hasn't spoken on the maintainership issue,
> apparently this still has to go the write-after-approval route.
>
> The purpose of this patch is to make it possible to add support for new
> devices (MCUs) to the AVR toolchain
2014-10-23 17:48 GMT+04:00 Georg-Johann Lay :
> This optimization makes most sign-extensions one instruction shorter in the
> case when the source register may be clobbered and the register numbers are
> different. Source and destination may overlap.
>
> Ok for trunk?
>
>
> Johann
>
> gcc/
>
2014-10-23 16:33 GMT+04:00 Georg-Johann Lay :
> This no-op change fixed typos and restored coding rules as obvious like:
> spaces around operators, space before opening parentheses, wrapping long
> lines, indentation rules, trailing blanks, etc...
>
> http://gcc.gnu.org/r216592
>
>
> Johann
>
> gcc
2014-10-24 14:37 GMT+04:00 Georg-Johann Lay :
> Am 10/23/2014 08:16 PM schrieb Denis Chertykov:
>>>
>>> This optimization makes most sign-extensions one instruction shorter in
>>> the
>>> case when the source register may be clobbered and the register num
2014-06-03 18:26 GMT+04:00 S, Pitchumani :
> Hi,
>
> Attached patch adds support for Atmel devices tiny441, tiny828 and tiny841.
>
> Please commit if the patch is OK.
>
> Note: This is continuation of patch attached in
> https://gcc.gnu.org/ml/gcc-patches/2014-06/msg00049.html
>
> Regards,
> Pitchu
2014-06-02 13:47 GMT+04:00 S, Pitchumani :
> Hi,
>
> Attached patch adds support for Atmel ATA devices (ata6616c,
> ata6617c, ata664251, ata6612c, ata6613c and ata6614q).
>
> Please commit if the patch is OK. I do not have commit access.
>
> Regards,
> Pitchumani
>
> gcc/ChangeLog
> 2014-06-02 Vis
2014-06-11 13:05 GMT+04:00 Georg-Johann Lay :
> This is a fix for unrecognizable insn ICE where the push expander generated
> (subreg(mem)) for non-generic address-space locations.
>
> Instead of loading byte-wise and legitimizing such expressions, it's easier
> and results in better code when we l
2015-05-19 16:04 GMT+03:00 Sivanupandi, Pitchumani
:
> Test gcc.c-torture/execute/memcpy-bi.c (-O2) failed for attiny40 device.
> Cause seems to be in "load from memory" as it is not restoring base
> register after load instructions generated.
>
> Function avr_out_load_psi_reg_no_disp_tiny in avr.c
2015-04-16 19:47 GMT+03:00 Georg-Johann Lay :
>
> Am 04/16/2015 um 11:28 AM schrieb Senthil Kumar Selvaraj:
>>
>> On Thu, Apr 16, 2015 at 11:02:05AM +0200, Georg-Johann Lay wrote:
>>>
>>> Am 04/16/2015 um 08:43 AM schrieb Senthil Kumar Selvaraj:
This patch fixes PR 65657.
>>>
>>>
>>> The
2015-04-17 10:46 GMT+03:00 Senthil Kumar Selvaraj
:
>
> On Thu, Apr 16, 2015 at 06:47:26PM +0200, Georg-Johann Lay wrote:
> > Am 04/16/2015 um 11:28 AM schrieb Senthil Kumar Selvaraj:
> > >On Thu, Apr 16, 2015 at 11:02:05AM +0200, Georg-Johann Lay wrote:
> > >>Am 04/16/2015 um 08:43 AM schrieb Sent
2015-04-17 17:02 GMT+03:00 Georg-Johann Lay :
> ...I went ahead and installed as
>
> http://gcc.gnu.org/r222179
>
> It will be backported to 5.2 as soon as 5.1 is open for patches again
> (assuming RM won't approve this one for 5.1).
IMHO AVR port is not locked for patches.
It's not a primary targ
2015-04-17 18:32 GMT+03:00 Georg-Johann Lay :
> Am 04/17/2015 um 04:43 PM schrieb Denis Chertykov:
>>
>> 2015-04-17 17:02 GMT+03:00 Georg-Johann Lay :
>>>
>>> ...I went ahead and installed as
>>>
>>> http://gcc.gnu.org/r222179
>>>
>>
chumani
>> Sent: Tuesday, April 21, 2015 8:21 PM
>> To: Georg-Johann Lay; Denis Chertykov
>> Cc: GCC Patches
>> Subject: [patch, avr] extend part-clobbered check to AVR_TINY architecture
>>
>> Hi,
>>
>> When tried backporting AVR_TINY architecture su
2015-05-11 9:07 GMT+03:00 Sivanupandi, Pitchumani
:
>> -Original Message-
>> From: Denis Chertykov [mailto:cherty...@gmail.com]
>> Sent: Sunday, May 10, 2015 12:55 PM
>> To: Sivanupandi, Pitchumani
>> Cc: Georg-Johann Lay; GCC Patches
>> Subject: Re
2015-02-24 16:09 GMT+03:00 Georg-Johann Lay :
> avr-log.c and respective macros in avr-protos.h still assume that the
> implementation language is C90, i.e. no variadic macros are available.
>
> This patch cleans up the code from the cumbersome old approach and uses
> variadic macros for avr_dump,
2015-02-25 18:56 GMT+03:00 Georg-Johann Lay :
> The current avr-gcc ICEs in avr.c::tiny_valid_direct_memory_access_range
> because XEXP (op, 0) is used on op which are not MEM_P (e.g. REG or SUBREG).
>
> If op is MEM_P then INTVAL might be used for on RTXes which are not
> CONST_INT, e.g. CONST.
>
2015-02-27 1:45 GMT+03:00 Steven Bosscher :
> On Thu, Feb 26, 2015 at 8:35 PM, Georg-Johann Lay wrote:
>> Take #2 introduces a new, avr-specific rtl pass whose sole purpose is to
>> rectify notes. The pass is scheduled right before cfg does down (right
>> before .*free_cfg) so that cfg and hence d
2015-03-02 15:32 GMT+03:00 Georg-Johann Lay :
> Am 02/28/2015 um 09:02 AM schrieb Denis Chertykov:
>
>> 2015-02-27 1:45 GMT+03:00 Steven Bosscher :
>>>
>>> On Thu, Feb 26, 2015 at 8:35 PM, Georg-Johann Lay wrote:
>>>>
>>>> Take #2 introduces
2015-03-02 22:40 GMT+03:00 Georg-Johann Lay :
> The new specs file generation introduces several problems. This patch
>
> - Fix build warnings
>
> - Clean up unused code and the old, now dead specs definitions.
>
> - Removes unused files and adjust build scripts / rules.
>
> - Issues with avr-libc
2015-03-09 19:02 GMT+03:00 Georg-Johann Lay :
> Am 03/03/2015 um 02:21 PM schrieb Senthil Kumar Selvaraj:
>>
>> On Mon, Mar 02, 2015 at 08:40:17PM +0100, Georg-Johann Lay wrote:
>>>
>>> The new specs file generation introduces several problems. This patch
>>>
>>> - Fix build warnings
>>>
>>> - Cle
2015-03-10 18:02 GMT+03:00 Georg-Johann Lay :
> This is just a small addendum to the option and specs handling:
>
> - Document new avr-gcc command options
>
> - Change -march= to -mmcu= in some test cases
>
> - Add comfigure test to detect whether gas supports -mrmw and --mlink-relax.
>
> - Use res
2015-03-16 21:17 GMT+03:00 Georg-Johann Lay :
> This patch introduces a new avr specific command option '-nodevicelib' so
> that linking of libdev.a can be bypassed.
>
> The argument of -specs= is suffixed by %s instead of supplying the absolute
> path. That way -specs= works with installation pat
2015-04-07 15:34 GMT+03:00 Georg-Johann Lay :
> Am 04/06/2015 um 11:54 AM schrieb Sivanupandi, Pitchumani:
>>
>> Hi Johann,
>>
>> Did you try running g++ tests?
>> It seems xgcc is invoked to get multilibs (from gcc/testsuite/lib/g++.exp)
>> which failed to find specs file.
>
>
>
> This is because
2015-02-17 14:12 GMT+03:00 Georg-Johann Lay :
> Byte-wise pushing virtual regs like arg pointer migth result in patterns
> like
>
> (set (mem:QI (post_dec:HI (reg:HI 32 SP)))
> (subreg:QI (plus:HI (reg:HI 28)
> (const_int 17)) 0))
>
> after elimination.
>
> Attached
2015-02-18 14:59 GMT+03:00 Georg-Johann Lay :
> Am 02/17/2015 um 03:34 PM schrieb Denis Chertykov:
>
>> 2015-02-17 14:12 GMT+03:00 Georg-Johann Lay :
>>>
>>> Byte-wise pushing virtual regs like arg pointer migth result in patterns
>>> like
>>&g
2015-02-23 13:53 GMT+03:00 Georg-Johann Lay :
> This patch fixes PR64331 which produced wrong code because of outdated (too
> many) REG_DEAD notes. These notes are not (re)computed per default, hence
> do the computation by hand each time avr.c:reg_unused_after is called in a
> different pass.
>
>
2015-02-23 17:12 GMT+03:00 Georg-Johann Lay :
> This include stdfix-avrlibc.h in the avr-gcc specific stdfix.h.
>
> Ok for trunk?
>
> Johann
>
>
>
> gcc/
> * config/avr/stdfix.h [__WITH_AVRLIBC__]: Include
> .
Approved.
Denis.
2014-10-29 13:42 GMT+03:00 Jan-Benedict Glaw :
>
> On Wed, 2014-10-29 02:23:31 +0100, Jan-Benedict Glaw
> wrote:
> > On Wed, 2014-10-08 18:50:32 +0100, Joern Rennecke
> > wrote:
> > > Attached is the GCC patch for the basic device package infrastructure.
> > > OK to apply?
> >
> > There's some
2014-10-28 15:47 GMT+03:00 Georg-Johann Lay :
> Am 10/28/2014 01:34 PM, schrieb Georg-Johann Lay:
>>
>> Middle-end might come up with hard registers as operands for expanders
>> which
>> clobber respective hard regs. This patch uses freshly created pseudos for
>> respective expander operands and e
Committed.
2014-11-09 19:23 GMT+03:00 Joern Rennecke :
> The defaults.h definition of
> #define CPLUSPLUS_CPP_SPEC CPP_SPEC
> does not do the right thing with the cpp spec picked up from a spec file,
> which is now needed for -mmcu processing.
> Also, a spec file can't override CPLUSPLUS_CPP_SPEC as such, sin
2016-08-03 18:41 GMT+03:00 Georg-Johann Lay :
> do_store_flag has hard-coded right shift for testing a bit, I found no way
> to let the backend direct expr.c into generating an extzv. As rectifying
> the middle-end is beyond by time frame, here is yet another kludge to catch
> the situation by mea
Sorry for delay. Committed.
2016-08-08 9:17 GMT+03:00 Pitchumani Sivanupandi
:
> Ping!
>
>
> On Friday 29 July 2016 05:14 PM, Pitchumani Sivanupandi wrote:
>>
>> On Friday 29 July 2016 02:06 PM, Georg-Johann Lay wrote:
>>>
>>> On 28.07.2016 13:50, Pitchumani Sivanupandi wrote:
On Tuesday
2016-08-16 21:26 GMT+03:00 Nathan Sidwell :
> On 08/16/16 13:04, Jan-Benedict Glaw wrote:
>
>> That'll probably work. But after all, I'm not an AVR maintainer (not
>> even an user), but just running the Build Robot.
>
>
> Does your robot approve? :)
>
I'm an AVR maintainer.
The patch does not have
2016-06-15 12:11 GMT+03:00 Georg-Johann Lay :
> This patch handles the cases when subreg:QI of a CONST or LABEL_REF is to be
> moved to a QImode register. The original patch only handled SYMBOL_REFs.
>
> OK for trunk and backport?
>
>
> Johann
>
> --
>
> gcc/
> PR target/71103
> *
2016-06-15 13:19 GMT+03:00 Pitchumani Sivanupandi
:
> On Mon, 2016-06-13 at 17:48 +0200, Georg-Johann Lay wrote:
>> Pitchumani Sivanupandi schrieb:
>> >
>> > $ avr-gcc test.c -Wno-misspelled-isr
>> > $
>> What about -Werror=misspelled-isr?
>
> Updated patch.
>
>> >
>> > diff --git a/gcc/config/avr/
2016-06-16 10:27 GMT+03:00 Senthil Kumar Selvaraj
:
>
> Senthil Kumar Selvaraj writes:
>
>> Georg-Johann Lay writes:
>>
>>> Senthil Kumar Selvaraj schrieb:
Hi,
This patch fixes PR 71151 by eliminating the
TARGET_ASM_FUNCTION_RODATA_SECTION hook and setting
JUMP_TABLES
2016-06-20 16:36 GMT+03:00 Georg-Johann Lay :
> This patch allows to specify -Tdata and -Ttext on the command line for MCUs
> where the specs file sets these options. For -mmcu=atmega88 for example,
> the respective specs reads:
>
> *link_data_start:
> -Tdata 0x800100
>
> and the patch cha
Committed.
2016-06-27 14:41 GMT+03:00 Pitchumani Sivanupandi
:
> 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 -m
2017-07-07 18:31 GMT+04:00 Georg-Johann Lay :
> Hi,
>
> this patch addresses a very old issue, the non-optimal
> generation of ISR prologues and epilogues.
>
> As GAS now provides the __gcc_isr pseudo instruction to
> overcome some problems, see
>
> https://sourceware.org/bugzilla/show_bug.cgi?id=2
I'm sorry for so long delay.
Please apply the patch.
2017-07-05 14:19 GMT+04:00 Georg-Johann Lay :
> Ping #3
>
> http://gcc.gnu.org/ml/gcc-patches/2017-06/msg01029.html
>
> As avr maintainers are off-line, would a global maintainer have
> a look at this?
>
> Thanks,
>
> Johann
>
>
>
>
> On 27.06.
2017-07-12 12:45 GMT+04:00 Georg-Johann Lay :
> Hi, if the C++ front-end decides that something will need constructing,
> it will silently put the stuff into .rodata so that according
> pgm_read_xxx will read garbage from .progmem.
>
> As proposed by Jason, this patch diagnoses such situations.
>
>
2017-07-14 18:16 GMT+04:00 Georg-Johann Lay :
> Hi, this patch restores some of the divmod handling.
>
> It addresses two issues:
>
> 1) rtx_costs might be called with code = LSHIFTRT for a mul_highpart. This
> is the case when outer_code = TRUNCATE. This patch uses a new function to
> compute the
Approved.
2017-07-20 18:28 GMT+04:00 Georg-Johann Lay :
> Hi, this is a re-layout of mentioned section in extend.texi.
>
> Purpose is to have a unified layout where the explanation has
> a farther indentation than the item (function) to be explained.
>
> Ok for trunk?
>
> Johann
>
> gcc/
>
2017-07-27 16:50 GMT+04:00 Georg-Johann Lay :
> On 27.07.2017 14:29, Georg-Johann Lay wrote:
>>
>> For some targets, the best place to put read-only lookup tables as
>> generated by -ftree-switch-conversion is not the generic address space
>> but some target specific address space.
>>
>> This is th
2017-08-21 16:35 GMT+04:00 Georg-Johann Lay :
> "address" attribute only must be specified with VARs,
> yet the compiler dived into attribute analysis for
> non-VARs, resulting in ICE.
>
> This patch also adds OPT_Wattributes as warning filter.
>
> Ok to apply?
Approved.
Please apply.
>
> Johann
2017-05-22 15:37 GMT+04:00 Georg-Johann Lay :
> This patch simplifies genmultilib.awk so that it generates
> MULTILIB_REQUIRED instead of the complement, MULTILIB_EXCEPTIONS.
>
> The current awk script dates back to the days when we mapped
> all the > 200 devices to the mmcu core and also parts of
2017-01-02 19:22 GMT+04:00 Georg-Johann Lay :
> On 02.01.2017 15:54, Dominik Vogt wrote:
>>
>> On Mon, Jan 02, 2017 at 03:47:43PM +0100, Georg-Johann Lay wrote:
>>>
>>> This fixes PR78883 which is a problem in reload revealed by a
>>> change to combine.c. The fix is as proposed by Segher: implemen
2017-01-13 17:28 GMT+04:00 Georg-Johann Lay :
> This adds a penalty of 4 to the post-reload branch costs.
>
> Purpose is reduce the number of out-of-line blocks like in
>
> unsigned long variant5 (unsigned in)
> {
> unsigned long out = 0;
> if (in & (1 << 0)) out |= 0xful << (4*0);
> if
2017-04-19 14:43 GMT+04:00 Georg-Johann Lay :
> This PR is about an incorrect warning for variables in progmem
> without initializer. If the variable is just an alias like in
> and with -fmerge-all-constants
>
> const __flash char string1[] = "same string";
> const __flash char string2[] = "same s
2017-02-06 14:06 GMT+04:00 Georg-Johann Lay :
> https://gcc.gnu.org/ml/gcc-patches/2017-01/msg00926.html
>
> On 13.01.2017 12:53, Georg-Johann Lay wrote:
>>
>> This is 3rd way to fix PR78883 by rejecting malicious expressions
>> from the start.
>>
>> Ok for trunk?
>>
>> Johann
>>
>> gcc/
>> PR
2017-02-06 14:03 GMT+04:00 Georg-Johann Lay :
> This patch adds an alternative to addhi3_zero_extend for the case
> where output operand and the 8-bit addend happen to reside
> the the same register. Without the patch this might lead
> to additional reloads to satisfy the constraints like
>
>
> ui
2017-03-12 15:32 GMT+04:00 Gerald Pfeifer :
> On Sun, 12 Mar 2017, Gerald Pfeifer wrote:
>> Also, I'm offering help around one particular aspect I noticed:
>>
>> References to dependencies on really, really old versions of
>> binutils (talking 10+ years here) which I think we can remove.
>> Let me
2016-03-10 16:46 GMT+03:00 Senthil Kumar Selvaraj
:
> Hi,
>
>This patch fixes ~230 internal compiler errors that showed up after
>the fix for PR 69764. After the patch, target backends need to
>explicitly specify mode for operand 2 of shift and rotate patterns -
>see md.texi mod at
2016-09-20 13:07 GMT+03:00 Georg-Johann Lay :
> This fixes the case of CC_NONE (insn attribute for cc is "none"):
>
> Even in cases where the instructions of an insn do not change the condition
> code of the machine, they still might change some registers by clobber, set,
> etc. If one such regist
2016-09-22 7:52 GMT+03:00 Senthil Kumar Selvaraj
:
> Hi,
>
> This patch fixes cost computation in avr_address_cost - instead of the
> hardcoded 61, it uses the already existing MAX_LD_OFFSET(mode) macro.
>
> This showed up when investigating a code size regression in the ivopts
> pass. That
Approved.
Please commit.
2016-09-26 15:30 GMT+03:00 Senthil Kumar Selvaraj
:
> Ping!
>
> Regards
> Senthil
> Senthil Kumar Selvaraj writes:
>
>> Hi,
>>
>> Is it ok to backport PR 65210 to gcc-5-branch? The patch is already in
>> 6.x and trunk.
>>
>> Regards
>> Senthil
>>
>> gcc/ChangeLog
>>
>>
2016-10-07 17:06 GMT+03:00 Georg-Johann Lay :
> Mentioning some AVR target specific improvements.
>
> Ok?
>
Ok.
2016-10-10 16:36 GMT+03:00 Georg-Johann Lay :
> This is a code clean-up using the new -passes.def feature in order
> to register avr target passes and to get -fdump-xxx etc. to work for such
> passes.
>
> Ok for trunk?
>
> Johann
>
> * config/avr/avr-passes.def: New file.
> * config
2016-10-12 14:32 GMT+03:00 Georg-Johann Lay :
> This patch introduces a new variable attribute "absdata".
>
> Reduced Tiny cores have only a limited range of addresses 0x40..0xbf which
> can be handled by LDS / STS directly. The attribute allows the user to
> assert that it is legitimate to use ab
2016-10-24 13:33 GMT+03:00 Georg-Johann Lay :
> This fixes issues with casesi that originate from taking hard coded
> subreg:HI of the SImode switch value:
>
> * The subreg is cutting away the upper bytes which is wrong code if the
> switch actually operates on a value > 16 bits.
>
> * The hard-cod
2016-07-13 14:12 GMT+03:00 Georg-Johann Lay :
>
> This patch contains some unrelated tweaks
>
> - Supplying no-ldregs variant for andqi3, iorqi3 where a const_int mask
> affects only 1 bit
>
> - Some patterns that match situations with zero_extend that can be performed
> with less instructions /
2016-07-15 18:26 GMT+03:00 Georg-Johann Lay :
> This patch needs new hook TARGET_ADDR_SPACE_DIAGNOSE_USAGE:
> https://gcc.gnu.org/ml/gcc-patches/2016-07/msg00839.html
>
> This patch turns attribute progmem into a working feature for AVR_TINY
> cores.
>
> It boils down to adding 0x4000 to all symbol
2016-07-19 13:31 GMT+03:00 Georg-Johann Lay :
> This patch tries to improve the bloated code we are currently generating for
> AVR_TINY. It's mostly about printing the memory loads and stores and more
> usage of reg_unused_after to print shorter instruction sequences in some
> cases.
>
> Ok for tr
2016-07-20 15:59 GMT+03:00 Georg-Johann Lay :
> This adds some insns that set a destination bit expressed as zero_extract to
> a source bit expressed as extract, right shift, and simple combinations
> thereof.
>
> Purpose is smaller code and to avoid costly extracts or shifts. This
> applies mostl
2016-07-21 18:33 GMT+03:00 Georg-Johann Lay :
> This removes avr's TARGET_SECONDARY_RELOAD implementation which never worked
> as expected...
>
> Its intention was to provide an 8-bit scratch register for loads from
> non-generic address-spaces as they might need to set RAMPZ to the needed
> flash
2016-08-01 11:23 GMT+03:00 Georg-Johann Lay :
> This adds a new built-in function that inserts a requested number of NOPs
> into the instruction stream. I found it useful when testing avr-gcc.
>
> Ok to apply?
>
>
> Johann
>
>
> * doc/extend.texi (AVR Built-in Functions): Document
>
2016-08-01 10:56 GMT+03:00 Georg-Johann Lay :
> The length computation of "branch" flavour insn length attribute computed a
> length one instruction too short, e.g. in the following test case:
>
> #define N0(N) if (X++ < N) __builtin_avr_nop()
>
> #define N1(N) N0(N);N0(N);N0(N);N0(N);N0(N);N0(N);N
2016-08-01 15:17 GMT+03:00 Georg-Johann Lay :
> Problem with -fcaller-saves is that there are situations where it triggers
> an expensive frame just to store a variable around a function call even
> though there are plenty of call-saved registers.
>
> Example:
>
> typedef __UINT8_TYPE__ uint8_t;
>
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