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commit 2bdfd673b266343e7988fe2cd2b44a02c94dce09
Author: Georg-Johann Lay
Date: Tue Apr 9 11:55:29 2024 +0200
gcc-14: AVR: Note on silicon bug.
diff --git a/htdocs/gcc-14/changes.html b/htdocs/gcc-14/changes.html
index 1b345b32..ff69e859 100644
--- a/htdocs/gcc-14/changes.html
+++ b/htdocs/gcc-14/changes.html
@@ -584,7 +584,11 @@ __asm (".global __flmap_lock" "\n\t"
symbol __do_flmap_init and the linker will not pull in
that code from libmcu.a any more.
In order to return to the old placement of read-only data in RAM,
- the new compiler option -mrodata-in-ram can be used.
+ the new compiler option -mrodata-in-ram can be used.
+ This is required on devices where the hardware revision is
+ affected by a silicon bug concerning the FLMAP
+ functionality.
+
Read-only data is located in output section .rodata,
wheras it is part of .text when located in RAM.
The feature is only available when the compiler is configured
---
Summary of changes:
htdocs/gcc-14/changes.html | 6 +-
1 file changed, 5 insertions(+), 1 deletion(-)
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gcc-wwwdocs branch master updated. b5bda3ebfd2a823f0e5d1975e205cc9dc92c54d5
This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "gcc-wwwdocs". The branch, master has been updated via b5bda3ebfd2a823f0e5d1975e205cc9dc92c54d5 (commit) from 9acfe3f0ec93941ec89918091dea3eba20e0ab2a (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log - commit b5bda3ebfd2a823f0e5d1975e205cc9dc92c54d5 Author: Georg-Johann Lay Date: Sat Jun 15 12:55:20 2024 +0200 backends.html - Update weblinks to AVR simulators. diff --git a/htdocs/backends.html b/htdocs/backends.html index bdaf29ad..1f7c85d7 100644 --- a/htdocs/backends.html +++ b/htdocs/backends.html @@ -120,9 +120,19 @@ visium | B g t s xtensa | C -For AVR simulator, see https://gcc.gnu.org/ml/gcc/2003-10/msg00027.html";> -https://gcc.gnu.org/ml/gcc/2003-10/msg00027.html. +For AVR simulator, see + +avrtest at + https://github.com/sprintersb/atest"; +>https://github.com/sprintersb/atest and + https://github.com/sprintersb/atest?tab=readme-ov-file#running-the-avr-gcc-testsuite-using-the-avrtest-simulator"; +>README: Running the avr-gcc Testsuite using the avrtest Simulator + +SimulAVR at https://www.nongnu.org/simulavr"; + >https://www.nongnu.org/simulavr + + + For ARC simulator, see https://github.com/foss-for-synopsys-dwc-arc-processors/binutils-gdb";> --- Summary of changes: htdocs/backends.html | 16 +--- 1 file changed, 13 insertions(+), 3 deletions(-) hooks/post-receive -- gcc-wwwdocs
gcc-wwwdocs branch master updated. 80057fb9e00922e5ee8db82e5a6fc2f99db9d3d0
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gcc-wwwdocs branch master updated. b3c91409928d5aa68bde6649eff499a344e0b318
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gcc-wwwdocs branch master updated. e82cce1f126dc1aa0331f115a9898087ac5e6cc8
This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "gcc-wwwdocs". The branch, master has been updated via e82cce1f126dc1aa0331f115a9898087ac5e6cc8 (commit) from 823b04aa91ca48a9f1d73b1fa2eda4d7b34400cf (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log - commit e82cce1f126dc1aa0331f115a9898087ac5e6cc8 Author: Georg-Johann Lay Date: Mon Jul 29 10:15:23 2024 +0200 gcc-15: AVR: Note addition of noblock, signal(n), interrupt(n) and __builtin_avr_mask1. diff --git a/htdocs/gcc-15/changes.html b/htdocs/gcc-15/changes.html index 3b3a6c0b..aa8d7609 100644 --- a/htdocs/gcc-15/changes.html +++ b/htdocs/gcc-15/changes.html @@ -99,7 +99,27 @@ a work-in-progress. - +AVR + + + Support has been added for the signal and interrupt +https://gcc.gnu.org/onlinedocs/gcc/AVR-Function-Attributes.html#index-signal_0028num_0029-function-attribute_002c-AVR"; + >function attributes +that allow to specify the interrupt vector number as an argument. +It allows to use static functions as interrupt handlers, and also +functions defined in a C++ namespace. + Support has been added for the noblock function attribute. +It can be specified together with the signal attribute to +indicate that the interrupt service routine should start with a SEI +instruction to globally re-enable interrupts. The difference to the +interrupt attribute is that the noblock +attribute just acts like a flag and does not impose a specific function +name. + Support has been added for the __builtin_avr_mask1 +https://gcc.gnu.org/onlinedocs/gcc/AVR-Built-in-Functions.html#index-_005f_005fbuiltin_005favr_005fmask1"; + >built-in function. It can be used to compute some bit masks when +code like 1 << offset is not fast enough. + --- Summary of changes: htdocs/gcc-15/changes.html | 22 +- 1 file changed, 21 insertions(+), 1 deletion(-) hooks/post-receive -- gcc-wwwdocs
gcc-wwwdocs branch master updated. 4d85966129a4d026237da953f326f1079b20021f
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commit 4d85966129a4d026237da953f326f1079b20021f
Author: Georg-Johann Lay
Date: Fri Feb 7 20:10:12 2025 +0100
gcc-15/changes: Add -mcvt AVR news.
diff --git a/htdocs/gcc-15/changes.html b/htdocs/gcc-15/changes.html
index 69664fab..e273693a 100644
--- a/htdocs/gcc-15/changes.html
+++ b/htdocs/gcc-15/changes.html
@@ -465,6 +465,12 @@ asm (".text; %cc0: mov %cc2, %%r0; .previous;"
Code generation for the 32-bit integer shifts with constant
offset has been improved. The code size may slightly increase even
when optimizing for code size with -Os.
+ Support has been added for a compact vector table as supported
+by some AVR devices. It can be activated by the new command-line option
+https://gcc.gnu.org/onlinedocs/gcc/AVR-Options.html#index-mcvt";
+ >-mcvt.
+It links crtmcu-cvt.o as startup code which
+is supported since AVR-LibC v2.3.
New AVR specific optimization passes have been added.
They run after register allocation and can be controlled by the new
command-line options
---
Summary of changes:
htdocs/gcc-15/changes.html | 6 ++
1 file changed, 6 insertions(+)
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commit 9c7b7fc4b0bbe3811042fc2ed25cd803970a5394
Author: Georg-Johann Lay
Date: Sun Jan 19 10:30:07 2025 +0100
gcc-15/changes: Extended asm: Typo.
diff --git a/htdocs/gcc-15/changes.html b/htdocs/gcc-15/changes.html
index a9778659..362f345c 100644
--- a/htdocs/gcc-15/changes.html
+++ b/htdocs/gcc-15/changes.html
@@ -104,11 +104,12 @@ a work-in-progress.
A https://gcc.gnu.org/onlinedocs/gcc/Statement-Attributes.html#index-musttail-statement-attribute";>
musttail statement attribute was added to enforce
tail calls.
-https://gcc.gnu.org/onlinedocs/gcc/Extended-Asm.html";>Extended inline
assembler statements
-can now be used with some limitations outside of functions as well, new
-constraints have been for defining symbols or using symbols inside of
inline
-assembler and a new generic operand modifier has been added to allow
-printing those regardless of PIC. For example:
+https://gcc.gnu.org/onlinedocs/gcc/Extended-Asm.html";
+ >Extended inline assembler statements
+ can now be used with some limitations outside of functions as well.
+ New constraints have been added for defining symbols or using symbols
+ inside of inline assembler, and a new generic operand modifier has
+ been added to allow printing those regardless of PIC. For example:
struct S { int a, b, c; };
extern foo (void);
---
Summary of changes:
htdocs/gcc-15/changes.html | 11 ++-
1 file changed, 6 insertions(+), 5 deletions(-)
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gcc-wwwdocs branch master updated. beb1ba93ae1e24b4f6301deddfb19550e8c6e46e
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commit beb1ba93ae1e24b4f6301deddfb19550e8c6e46e
Author: Georg-Johann Lay
Date: Sat Jan 18 18:49:46 2025 +0100
gcc-15/changes: Add more AVR news.
diff --git a/htdocs/gcc-15/changes.html b/htdocs/gcc-15/changes.html
index 82a86488..a9778659 100644
--- a/htdocs/gcc-15/changes.html
+++ b/htdocs/gcc-15/changes.html
@@ -362,6 +362,28 @@ asm (".text; %cc0: mov %cc2, %%r0; .previous;"
https://gcc.gnu.org/onlinedocs/gcc/AVR-Built-in-Functions.html#index-_005f_005fbuiltin_005favr_005fmask1";
>built-in function. It can be used to compute some bit masks when
code like 1 << offset is not fast enough.
+ Support has been added for a new 24-bit
+https://gcc.gnu.org/onlinedocs/gcc/Named-Address-Spaces.html#AVR-Named-Address-Spaces-1";
+ >named address space __flashx.
+It is similar to the __memx address space introduced in v4.7,
+but reading is a bit more efficient since it only supports reading from
+program memory. Objects in the __flashx address space are
+located in the .progmemx.data section.
+ Apart from the built-in types __int24 and
+__int24 supported since v4.7, support has been added for the
+signed __int24 and unsigned __int24 types.
+ Code generation for the 32-bit integer shifts with constant
+offset has been improved. The code size may slightly increase even
+when optimizing for code size with -Os.
+ New AVR specific optimization passes have been added.
+They run after register allocation and can be controlled by the new
+command-line options
+https://gcc.gnu.org/onlinedocs/gcc/AVR-Options.html#index-mfuse-move";
+ >-mfuse-move,
+https://gcc.gnu.org/onlinedocs/gcc/AVR-Options.html#index-msplit-ldst";
+ >-msplit-ldst and
+https://gcc.gnu.org/onlinedocs/gcc/AVR-Options.html#index-msplit-bit-shift";
+ >-msplit-bit-shift.
IA-32/x86-64
---
Summary of changes:
htdocs/gcc-15/changes.html | 22 ++
1 file changed, 22 insertions(+)
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commit 561a5e63201915a59da227344be3b068018108bc
Author: Georg-Johann Lay
Date: Thu Feb 13 10:03:43 2025 +0100
gcc-15/changes [avr]: Mention -mno-call-main.
diff --git a/htdocs/gcc-15/changes.html b/htdocs/gcc-15/changes.html
index 7638d3d5..41425257 100644
--- a/htdocs/gcc-15/changes.html
+++ b/htdocs/gcc-15/changes.html
@@ -500,6 +500,10 @@ asm (".text; %cc0: mov %cc2, %%r0; .previous;"
>-msplit-ldst and
https://gcc.gnu.org/onlinedocs/gcc/AVR-Options.html#index-msplit-bit-shift";
>-msplit-bit-shift.
+ Support has been added for the new option
+https://gcc.gnu.org/onlinedocs/gcc/AVR-Options.html#index-mno-call-main";
+ >-mno-call-main. Instead of calling main,
+it will be located in section .init9.
IA-32/x86-64
---
Summary of changes:
htdocs/gcc-15/changes.html | 4
1 file changed, 4 insertions(+)
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commit a1e95f48a98138069fdfa18fed544654d1ec4fcd
Author: Georg-Johann Lay
Date: Sun Mar 23 14:32:30 2025 +0100
gcc-13, gcc-14: AVR: Mention more new devices.
diff --git a/htdocs/gcc-13/changes.html b/htdocs/gcc-13/changes.html
index 4860c500..e589e0d6 100644
--- a/htdocs/gcc-13/changes.html
+++ b/htdocs/gcc-13/changes.html
@@ -542,6 +542,10 @@ You may also want to check out our
AVR64DD32, AVR64DU28, AVR64DU32, AVR64EA28, AVR64EA32, AVR64EA48,
ATA5787, ATA5835, ATA5700M322.
+ Support for the following devices has been added in v13.4:
+AVR32SD20, AVR32SD28, AVR32SD32,
+ AVR64SD28, AVR64SD32, AVR64SD48.
+
IA-32/x86-64
diff --git a/htdocs/gcc-14/changes.html b/htdocs/gcc-14/changes.html
index 8ff84582..d720ab87 100644
--- a/htdocs/gcc-14/changes.html
+++ b/htdocs/gcc-14/changes.html
@@ -902,6 +902,10 @@ __asm (".global __flmap_lock" "\n\t"
It now constrains the registers R24…R31 as is the case for all
the other devices.
+ Support for the following devices has been added in v14.3:
+AVR32SD20, AVR32SD28, AVR32SD32,
+ AVR64SD28, AVR64SD32, AVR64SD48.
+
IA-32/x86-64
---
Summary of changes:
htdocs/gcc-13/changes.html | 4
htdocs/gcc-14/changes.html | 4
2 files changed, 8 insertions(+)
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commit b654a18341d20529e3725b53fc43117e5e02de8c
Author: Georg-Johann Lay
Date: Sat Apr 5 21:47:12 2025 +0200
gcc-15/changes: AVR: Add argument to the interrupt and signal attributes.
diff --git a/htdocs/gcc-15/changes.html b/htdocs/gcc-15/changes.html
index c80ecc50..d51a2ed8 100644
--- a/htdocs/gcc-15/changes.html
+++ b/htdocs/gcc-15/changes.html
@@ -553,10 +553,12 @@ asm (".text; %cc0: mov %cc2, %%r0; .previous;"
AVR
- Support has been added for the signal and
interrupt
+ Support has been added for the signal(num)
+and interrupt(num)
https://gcc.gnu.org/onlinedocs/gcc/AVR-Function-Attributes.html#index-signal_0028num_0029-function-attribute_002c-AVR";
>function attributes
-that allow to specify the interrupt vector number as an argument.
+that allow to specify the interrupt vector number num
+as an argument.
It allows to use static functions as interrupt handlers, and also
functions defined in a C++ namespace.
Support has been added for the noblock function attribute.
---
Summary of changes:
htdocs/gcc-15/changes.html | 6 --
1 file changed, 4 insertions(+), 2 deletions(-)
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gcc-wwwdocs branch master updated. adc37ed2132bb3a704919f8919ecf56a53042726
This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "gcc-wwwdocs". The branch, master has been updated via adc37ed2132bb3a704919f8919ecf56a53042726 (commit) from c27d3419aa6c0e219611f45d77657241401fbbec (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log - commit adc37ed2132bb3a704919f8919ecf56a53042726 Author: Georg-Johann Lay Date: Fri Feb 28 14:15:10 2025 +0100 gcc-4.8/changes: Move all AVR news to #avr. diff --git a/htdocs/gcc-4.8/changes.html b/htdocs/gcc-4.8/changes.html index cb30a5e9..0c24ccdc 100644 --- a/htdocs/gcc-4.8/changes.html +++ b/htdocs/gcc-4.8/changes.html @@ -50,18 +50,6 @@ explicit use of vector types may be incompatible with binary objects built with older versions of GCC. Auto-vectorized code is not affected by this change. -On AVR, support has been removed for the command-line - option -mshort-calls deprecated in GCC 4.7. - -On AVR, the configure option --with-avrlibc supported since - GCC 4.7.2 is turned on per default for all non-RTEMS configurations. - This option arranges for a better integration of - http://www.nongnu.org/avr-libc/";>AVR Libc with avr-gcc. - For technical details, see https://gcc.gnu.org/PR54461";>PR54461. - To turn off the option in non-RTEMS configurations, use - --with-avrlibc=no. If the compiler is configured for - RTEMS, the option is always turned off. - More information on porting to GCC 4.8 from previous versions of GCC can be found in @@ -514,6 +502,21 @@ int i = A().f(); // error, f() requires an lvalue object AVR + +Support for the command-line option -mshort-calls +has been removed. It was deprecated in GCC 4.7. + + +The configure option --with-avrlibc supported since +GCC 4.7.2 is turned on per default for all non-RTEMS configurations. +This option arranges for a better integration of +http://www.nongnu.org/avr-libc/";>AVR-LibC with avr-gcc. +For technical details, see +https://gcc.gnu.org/PR54461";>PR54461. +To turn off the option in non-AVR-LibC configurations, use +--with-avrlibc=no. If the compiler is configured for +RTEMS, the option is always turned off. + Support for the "Embedded C" fixed-point has been added. For details, see the --- Summary of changes: htdocs/gcc-4.8/changes.html | 27 +++ 1 file changed, 15 insertions(+), 12 deletions(-) hooks/post-receive -- gcc-wwwdocs
gcc-wwwdocs branch master updated. 1a5cabedd21e45515a304dece6a4706fe0d3e6cf
This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "gcc-wwwdocs". The branch, master has been updated via 1a5cabedd21e45515a304dece6a4706fe0d3e6cf (commit) from adc37ed2132bb3a704919f8919ecf56a53042726 (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log - commit 1a5cabedd21e45515a304dece6a4706fe0d3e6cf Author: Georg-Johann Lay Date: Fri Feb 28 14:38:07 2025 +0100 gcc-5/changes: Move all AVR news to #avr. diff --git a/htdocs/gcc-5/changes.html b/htdocs/gcc-5/changes.html index 81ad4be3..5035ed3c 100644 --- a/htdocs/gcc-5/changes.html +++ b/htdocs/gcc-5/changes.html @@ -33,14 +33,6 @@ is_trivially_default_constructible, is_trivially_copy_constructible and is_trivially_copy_assignable should be used instead. -On AVR, support has been added for the devices ATtiny4/5/9/10/20/40. -This requires Binutils 2.25 or newer. -The AVR port uses a new scheme to describe supported devices: -For each supported device the compiler provides a device-specific -https://gcc.gnu.org/onlinedocs/gcc/Spec-Files.html";>spec file. -If the compiler is used together with AVR-LibC, this requires at -least GCC 5.2 and a version of AVR-LibC which implements -https://savannah.nongnu.org/bugs/?44574";>feature #44574. General Optimizer Improvements @@ -728,31 +720,41 @@ here. AVR - The compiler no more supports individual devices like ATmega8. + Support has been added for the devices ATtiny4/5/9/10/20/40. +This requires Binutils 2.25 or newer. + The port uses a new scheme to describe supported devices: +For each supported device, the compiler provides a device-specific +https://gcc.gnu.org/onlinedocs/gcc/Spec-Files.html";>spec file. +If the compiler is used together with AVR-LibC, this requires at +least GCC 5.2 and a version of AVR-LibC which implements +https://savannah.nongnu.org/bugs/?44574";>feature #44574. + +As a consequence, the compiler no more supports individual devices +like ATmega8. Specifying, say, -mmcu=atmega8 triggers the usage of the device-specific https://gcc.gnu.org/onlinedocs/gcc/Spec-Files.html";>spec file specs-atmega8 which is part of the installation and describes options for the sub-processes like compiler proper, assembler and linker. You can add support for a new device -mmcu=mydevice as follows: - - In an empty directory /someplace, create a new - directory device-specs. - Copy a device spec file from the installed device-specs -folder, follow the comments in that file and then save it as - /someplace/device-specs/specs-mydevice. - Add -B /someplace -mmcu=mydevice to the -compiler's command-line options. Notice that /someplace -must specify an absolute path and that mydevice must -not start with "avr". - Provided you have a device-specific library -libmydevice.a available, you can put it at -/someplace, dito for a device-specific startup -file crtmydevice.o. - -The contents of the device spec files depend on the compiler's -configuration, in particular on --with-avrlibc=no and -whether or not it is configured for RTEMS. + + In an empty directory /someplace, create a new +directory device-specs. + Copy a device spec file from the installed device-specs +folder, follow the comments in that file and then save it as +/someplace/device-specs/specs-mydevice. + Add -B /someplace -mmcu=mydevice to the +compiler's command-line options. Notice that /someplace +must specify an absolute path and that mydevice must +not start with "avr". + Provided you have a device-specific library +libmydevice.a available, you can put it at +/someplace, dito for a device-specific startup +file crtmydevice.o. + +The contents of the device spec files depend on the compiler's +configuration, in particular on --with-avrlibc=no and +whether or not it is configured for RTEMS. A new command-line option -nodevicelib has been added. It prevents the compiler from linking against AVR-LibC's @@ -767,13 +769,14 @@ here. Specify the flash size of the device in units of 64 KiB, rounded up to the next integer as needed. This option affects the availability of the -https://gcc.gnu.org/onlinedocs/gcc/Named-Address-Spaces.html";>AVR - address-spaces. +https://gcc.gnu.org/onlinedocs/gcc/Named-Address-Spaces.html"; + >A
gcc-wwwdocs branch master updated. c27d3419aa6c0e219611f45d77657241401fbbec
This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "gcc-wwwdocs". The branch, master has been updated via c27d3419aa6c0e219611f45d77657241401fbbec (commit) from 1fcfc00d38ff2258415ab073b3cd702162806b77 (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log - commit c27d3419aa6c0e219611f45d77657241401fbbec Author: Georg-Johann Lay Date: Fri Feb 28 14:10:08 2025 +0100 gcc-4.7/changes: Move all AVR news to #avr. diff --git a/htdocs/gcc-4.7/changes.html b/htdocs/gcc-4.7/changes.html index 91159f1f..901d31b9 100644 --- a/htdocs/gcc-4.7/changes.html +++ b/htdocs/gcc-4.7/changes.html @@ -106,30 +106,6 @@ -compat-bsd compiler option is not recognized any longer. -The AVR port's libgcc has been improved and its multilib structure - has been enhanced. As a result, all objects contributing to an - application must either be compiled with GCC versions up to 4.6.x or - with GCC versions 4.7.1 or later. If the compiler is used with - AVR Libc, you need a version that supports the new layout, - i.e. implements - http://savannah.nongnu.org/bugs/?35407";>#35407. - - -The AVR port's -mshort-calls command-line option has - been deprecated. It will be removed in the GCC 4.8 release. - See -mrelax for a replacement. - -The AVR port only references startup code that - clears .bss and the common section - resp. initializes the .data and .rodata section - provided respective sections (or subsections thereof) are not empty, - see https://gcc.gnu.org/PR18145";>PR18145. - Applications that put all static storage objects into non-standard - sections and / or define all static storage objects in - assembler modules, must reference __do_clear_bss resp. - __do_copy_data by hand or undefine the symbol(s) - by means of -Wl,-u,__do_clear_bss resp. - -Wl,-u,__do_copy_data. The ARM port's -mwords-little-endian option has been deprecated. It will be removed in a future release. @@ -722,8 +698,32 @@ well. AVR +The AVR port's libgcc has been improved and its multilib structure + has been enhanced. As a result, all objects contributing to an + application must either be compiled with GCC versions up to 4.6.x or + with GCC versions 4.7.1 or later. If the compiler is used with + AVR-LibC, you need a version that supports the new layout, + i.e. implements + http://savannah.nongnu.org/bugs/?35407";>#35407. + +The -mshort-calls command-line option has + been deprecated. It will be removed in the GCC 4.8 release. + See -mrelax for a replacement. + +The compiled code only references startup code that + clears .bss and the common section + resp. initializes the .data and .rodata section + provided respective sections (or subsections thereof) are not empty, + see https://gcc.gnu.org/PR18145";>PR18145. + Applications that put all static storage objects into non-standard + sections and / or define all static storage objects in + assembler modules, must reference __do_clear_bss resp. + __do_copy_data by hand or undefine the symbol(s) + by means of -Wl,-u,__do_clear_bss resp. + -Wl,-u,__do_copy_data. + GCC now supports the XMEGA architecture. - This requires GNU binutils 2.22 or later. + This requires GNU Binutils 2.22 or later. Support for the https://gcc.gnu.org/onlinedocs/gcc-4.7.1/gcc/Named-Address-Spaces.html";>named address spaces __flash, __flash1, …, @@ -741,7 +741,7 @@ int add_values (const __flash int *p, int i) Support has been added for the AVR-specific configure option --with-avrlibc=yes in order to arrange for better integration of http://www.nongnu.org/avr-libc/";>AVR-Libc. - This configure option is supported in avr-gcc 4.7.2 and newer and will + This configure option is supported in avr-gcc v4.7.2 and newer and will only take effect in non-RTEMS configurations. If avr-gcc is configured for RTEMS, the option will be ignored which is the same as specifying --with-avrlibc=no. @@ -757,8 +757,8 @@ int add_values (const __flash int *p, int i) The command-line option -fdata-sections now also takes affect on the section names of variables with the progmem attribute. -A new inline assembler print modifier %i to print a RAM address as I/O -address has been added: +A new inline assembler print modifier %i to print + a RAM address as I/O address has been added: #include/* Port Definitions from AVR-LibC */ -
gcc-wwwdocs branch master updated. 978fe8040edc3f752814f46b8ccc2cdc508489df
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commit 978fe8040edc3f752814f46b8ccc2cdc508489df
Author: Georg-Johann Lay
Date: Wed Feb 12 23:14:03 2025 +0100
gcc-15/changes: Fix a typo __int24 -> __uint24.
diff --git a/htdocs/gcc-15/changes.html b/htdocs/gcc-15/changes.html
index d7919379..9359e562 100644
--- a/htdocs/gcc-15/changes.html
+++ b/htdocs/gcc-15/changes.html
@@ -480,7 +480,7 @@ asm (".text; %cc0: mov %cc2, %%r0; .previous;"
program memory. Objects in the __flashx address space are
located in the .progmemx.data section.
Apart from the built-in types __int24 and
-__int24 supported since v4.7, support has been added for the
+__uint24 supported since v4.7, support has been added for the
signed __int24 and unsigned __int24 types.
Code generation for the 32-bit integer shifts with constant
offset has been improved. The code size may slightly increase even
---
Summary of changes:
htdocs/gcc-15/changes.html | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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gcc-wwwdocs branch master updated. 7fae94d37b899284875e71ad6bd2ec641cb09ada
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commit 7fae94d37b899284875e71ad6bd2ec641cb09ada
Author: Georg-Johann Lay
Date: Thu Mar 27 12:55:19 2025 +0100
gcc-15/changes: AVR: Mention new -muse-nonzero-bits.
diff --git a/htdocs/gcc-15/changes.html b/htdocs/gcc-15/changes.html
index dbc82be2..6f2d21b4 100644
--- a/htdocs/gcc-15/changes.html
+++ b/htdocs/gcc-15/changes.html
@@ -565,19 +565,20 @@ asm (".text; %cc0: mov %cc2, %%r0; .previous;"
>-mcvt.
It links crtmcu-cvt.o as startup code which
is supported since AVR-LibC v2.3.
- New AVR specific optimization passes have been added.
-They run after register allocation and can be controlled by the new
-command-line options
-https://gcc.gnu.org/onlinedocs/gcc/AVR-Options.html#index-mfuse-move";
- >-mfuse-move,
-https://gcc.gnu.org/onlinedocs/gcc/AVR-Options.html#index-msplit-ldst";
- >-msplit-ldst and
-https://gcc.gnu.org/onlinedocs/gcc/AVR-Options.html#index-msplit-bit-shift";
- >-msplit-bit-shift.
Support has been added for the new option
https://gcc.gnu.org/onlinedocs/gcc/AVR-Options.html#index-mno-call-main";
>-mno-call-main. Instead of calling main,
it will be located in section .init9.
+ New AVR specific optimizations have been added.
+They can be controlled by the new command-line options
+https://gcc.gnu.org/onlinedocs/gcc/AVR-Options.html#index-mfuse-move";
+ >-mfuse-move,
+https://gcc.gnu.org/onlinedocs/gcc/AVR-Options.html#index-msplit-ldst";
+ >-msplit-ldst,
+https://gcc.gnu.org/onlinedocs/gcc/AVR-Options.html#index-msplit-bit-shift";
+ >-msplit-bit-shift and
+https://gcc.gnu.org/onlinedocs/gcc/AVR-Options.html#index-muse-nonzero-bits";
+ >-muse-nonzero-bits.
IA-32/x86-64
---
Summary of changes:
htdocs/gcc-15/changes.html | 19 ++-
1 file changed, 10 insertions(+), 9 deletions(-)
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gcc-wwwdocs branch master updated. 3ba9c3647d9dee45c5afe90ccc21c3b5753ca8aa
This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "gcc-wwwdocs". The branch, master has been updated via 3ba9c3647d9dee45c5afe90ccc21c3b5753ca8aa (commit) from 45669b514bd546dc4fdbec33b6cec11036bfd951 (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log - commit 3ba9c3647d9dee45c5afe90ccc21c3b5753ca8aa Author: Georg-Johann Lay Date: Fri Jun 27 15:50:37 2025 +0200 backends.html (avr): Uses LRA per default. https:/gcc.gnu.org/r16-1733 enabled LRA per default on AVR. diff --git a/htdocs/backends.html b/htdocs/backends.html index 2a63f91b..52f897b3 100644 --- a/htdocs/backends.html +++ b/htdocs/backends.html @@ -72,7 +72,7 @@ aarch64| Qq b gia s alpha | ? Q Cqmgi e arc| B b gia arm| b ia s -avr|L FIl p g +avr|L FIl p g a bfin | Fgi c6x| S CB gi cr16 |L F C gs --- Summary of changes: htdocs/backends.html | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) hooks/post-receive -- gcc-wwwdocs
gcc-wwwdocs branch master updated. b63983a62480a6c145aec34cd291c3656cf64848
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commit b63983a62480a6c145aec34cd291c3656cf64848
Author: Georg-Johann Lay
Date: Sun Jul 6 20:55:17 2025 +0200
gcc-14/changes.html (avr): Added support for the AVRxxDAyyS devices.
diff --git a/htdocs/gcc-14/changes.html b/htdocs/gcc-14/changes.html
index 37cec5e5..f35432a6 100644
--- a/htdocs/gcc-14/changes.html
+++ b/htdocs/gcc-14/changes.html
@@ -914,6 +914,11 @@ __asm (".global __flmap_lock" "\n\t"
AVR32SD20, AVR32SD28, AVR32SD32,
AVR64SD28, AVR64SD32, AVR64SD48.
+ Support for the following devices has been added in v14.4:
+AVR32DA28S, AVR32DA32S, AVR32DA48S,
+ AVR64DA28S, AVR64DA32S, AVR64DA48S AVR64DA64S,
+ AVR128DA28S, AVR128DA32S, AVR128DA48S, AVR128DA64S.
+
IA-32/x86-64
---
Summary of changes:
htdocs/gcc-14/changes.html | 5 +
1 file changed, 5 insertions(+)
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gcc-wwwdocs branch master updated. 8b0b97b559fc3908331a1610232c1f17b70cdf4a
This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "gcc-wwwdocs". The branch, master has been updated via 8b0b97b559fc3908331a1610232c1f17b70cdf4a (commit) from 36d8071fcf6a5eb2c9a2bfecfd405938d60b2aa6 (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log - commit 8b0b97b559fc3908331a1610232c1f17b70cdf4a Author: Georg-Johann Lay Date: Sun Jul 6 19:01:57 2025 +0200 gcc-15/changes.html (avr): Added support for the AVRxxDAyyS devices. diff --git a/htdocs/gcc-15/changes.html b/htdocs/gcc-15/changes.html index d0b289e1..bf980491 100644 --- a/htdocs/gcc-15/changes.html +++ b/htdocs/gcc-15/changes.html @@ -1183,6 +1183,11 @@ structure used in core 1.49. >-msplit-bit-shift and https://gcc.gnu.org/onlinedocs/gcc-15.1.0/gcc/AVR-Options.html#index-muse-nonzero-bits"; >-muse-nonzero-bits. + Support for the following devices has been added in v15.2: +AVR32DA28S, AVR32DA32S, AVR32DA48S, + AVR64DA28S, AVR64DA32S, AVR64DA48S AVR64DA64S, + AVR128DA28S, AVR128DA32S, AVR128DA48S, AVR128DA64S. + IA-32/x86-64 --- Summary of changes: htdocs/gcc-15/changes.html | 5 + 1 file changed, 5 insertions(+) hooks/post-receive -- gcc-wwwdocs
gcc-wwwdocs branch master updated. 7c32f95bdfaa706db91fca74f1b7b5d8d93b9c04
This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "gcc-wwwdocs". The branch, master has been updated via 7c32f95bdfaa706db91fca74f1b7b5d8d93b9c04 (commit) from 315f22a7d7a4e600dad9f32b1bae4aae54a14281 (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log - commit 7c32f95bdfaa706db91fca74f1b7b5d8d93b9c04 Author: Georg-Johann Lay Date: Fri Jul 18 16:31:17 2025 +0200 backends.html (cr16, tilegx, tilepro): Remove entries. The cr16, tilegx and tilepro backends have been removed in v13, which is the oldest supported GCC release. diff --git a/htdocs/backends.html b/htdocs/backends.html index 52f897b3..b6a747cd 100644 --- a/htdocs/backends.html +++ b/htdocs/backends.html @@ -75,7 +75,6 @@ arm| b ia s avr|L FIl p g a bfin | Fgi c6x| S CB gi -cr16 |L F C gs cris | F B gia s csky | b ia epiphany | C gia s @@ -112,8 +111,6 @@ s390 | Qqrgia e sh | Q CB qrpi sparc | Q CB qr b ia stormy16 | ???L FIC D l b ia -tilegx | Q Cq gi e -tilepro| S F C gi e v850 |g a s vax| M Ib i e visium | B g t s --- Summary of changes: htdocs/backends.html | 3 --- 1 file changed, 3 deletions(-) hooks/post-receive -- gcc-wwwdocs
gcc-wwwdocs branch master updated. c98435f0a92da1b7facdecbc7013d11c379333ce
This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "gcc-wwwdocs". The branch, master has been updated via c98435f0a92da1b7facdecbc7013d11c379333ce (commit) from bb3922e5e5e71059f3ba418dd563c60a6cdeb10e (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log - commit c98435f0a92da1b7facdecbc7013d11c379333ce Author: Georg-Johann Lay Date: Tue Aug 19 19:28:33 2025 +0200 gcc-15/changes.html (avr): Note on __FLASHX. diff --git a/htdocs/gcc-15/changes.html b/htdocs/gcc-15/changes.html index 3f77603e..c94fa1bd 100644 --- a/htdocs/gcc-15/changes.html +++ b/htdocs/gcc-15/changes.html @@ -1154,9 +1154,11 @@ structure used in core 1.49. https://gcc.gnu.org/onlinedocs/gcc-15.1.0/gcc/Named-Address-Spaces.html#AVR-Named-Address-Spaces-1"; >named address space __flashx. It is similar to the __memx address space introduced in v4.7, -but reading is a bit more efficient since it only supports reading from +but reading is more efficient since it only supports reading from program memory. Objects in the __flashx address space are -located in the .progmemx.data section. +located in the .progmemx.data section. The address space +is available when the feature-test macro __FLASHX +is defined. Apart from the built-in types __int24 and __uint24 supported since v4.7, support has been added for the signed __int24 and unsigned __int24 types. --- Summary of changes: htdocs/gcc-15/changes.html | 6 -- 1 file changed, 4 insertions(+), 2 deletions(-) hooks/post-receive -- gcc-wwwdocs
gcc-wwwdocs branch master updated. 69250234dd64232604e7da0c391bc5810a916bb9
This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "gcc-wwwdocs". The branch, master has been updated via 69250234dd64232604e7da0c391bc5810a916bb9 (commit) from 6c1d5b0f7d219dc11f32885b9931205e2fd6a015 (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log - commit 69250234dd64232604e7da0c391bc5810a916bb9 Author: Georg-Johann Lay Date: Mon Sep 15 14:43:23 2025 +0200 gcc-15/changes.html (avr): Notice AVR32EB14/20/28/32 addition in v15.3. diff --git a/htdocs/gcc-15/changes.html b/htdocs/gcc-15/changes.html index 47f2cb1d..989e0a88 100644 --- a/htdocs/gcc-15/changes.html +++ b/htdocs/gcc-15/changes.html @@ -1190,6 +1190,9 @@ structure used in core 1.49. AVR64DA28S, AVR64DA32S, AVR64DA48S AVR64DA64S, AVR128DA28S, AVR128DA32S, AVR128DA48S, AVR128DA64S. + Support for the following devices has been added in v15.3: +AVR32EB14, AVR32EB20, AVR32EB28, AVR32EB32. + IA-32/x86-64 --- Summary of changes: htdocs/gcc-15/changes.html | 3 +++ 1 file changed, 3 insertions(+) hooks/post-receive -- gcc-wwwdocs
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commit 7cf4ae1c7c8f97f8b424d1a3581912c34effc517
Author: Georg-Johann Lay
Date: Mon Sep 15 15:58:10 2025 +0200
gcc-14/changes.html (avr): Notice AVR32EB14/20/28/32 addition in v14.4.
diff --git a/htdocs/gcc-14/changes.html b/htdocs/gcc-14/changes.html
index 87db6d25..4961a455 100644
--- a/htdocs/gcc-14/changes.html
+++ b/htdocs/gcc-14/changes.html
@@ -917,7 +917,8 @@ __asm (".global __flmap_lock" "\n\t"
Support for the following devices has been added in v14.4:
AVR32DA28S, AVR32DA32S, AVR32DA48S,
AVR64DA28S, AVR64DA32S, AVR64DA48S AVR64DA64S,
- AVR128DA28S, AVR128DA32S, AVR128DA48S, AVR128DA64S.
+ AVR128DA28S, AVR128DA32S, AVR128DA48S, AVR128DA64S,
+ AVR32EB14, AVR32EB20, AVR32EB28, AVR32EB32.
---
Summary of changes:
htdocs/gcc-14/changes.html | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
hooks/post-receive
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gcc-wwwdocs
gcc-wwwdocs branch master updated. 339d20ca30e87eba69ccffb5eae18a0780ea3145
This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "gcc-wwwdocs". The branch, master has been updated via 339d20ca30e87eba69ccffb5eae18a0780ea3145 (commit) from b3402c9e0661c277b0551e7112cd4ff3cf60199d (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log - commit 339d20ca30e87eba69ccffb5eae18a0780ea3145 Author: Georg-Johann Lay Date: Tue Sep 16 09:52:28 2025 +0200 gcc-15/changes.html (avr): Prefer GCC x.y over vx.y. diff --git a/htdocs/gcc-15/changes.html b/htdocs/gcc-15/changes.html index f7a2d1cb..07a04762 100644 --- a/htdocs/gcc-15/changes.html +++ b/htdocs/gcc-15/changes.html @@ -1153,14 +1153,14 @@ structure used in core 1.49. Support has been added for a new 24-bit https://gcc.gnu.org/onlinedocs/gcc-15.1.0/gcc/Named-Address-Spaces.html#AVR-Named-Address-Spaces-1"; >named address space __flashx. -It is similar to the __memx address space introduced in v4.7, -but reading is more efficient since it only supports reading from +It is similar to the __memx address space introduced in +GCC 4.7, but reading is more efficient since it only supports reading from program memory. Objects in the __flashx address space are located in the .progmemx.data section. The address space is available when the feature-test macro __FLASHX is defined. Apart from the built-in types __int24 and -__uint24 supported since v4.7, support has been added for the +__uint24 supported since GCC 4.7, support has been added for the signed __int24 and unsigned __int24 types. Code generation for the 32-bit integer shifts with constant offset has been improved. The code size may slightly increase even --- Summary of changes: htdocs/gcc-15/changes.html | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) hooks/post-receive -- gcc-wwwdocs
gcc-wwwdocs branch master updated. b3402c9e0661c277b0551e7112cd4ff3cf60199d
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "gcc-wwwdocs".
The branch, master has been updated
via b3402c9e0661c277b0551e7112cd4ff3cf60199d (commit)
from 8da37cf4b6847c399f9d7d3bbc322f563c8277de (commit)
Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
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- Log -
commit b3402c9e0661c277b0551e7112cd4ff3cf60199d
Author: Georg-Johann Lay
Date: Tue Sep 16 09:44:49 2025 +0200
changes.html (avr): Prefer GCC x.y over vx.y.
diff --git a/htdocs/gcc-13/changes.html b/htdocs/gcc-13/changes.html
index 29000382..f427383c 100644
--- a/htdocs/gcc-13/changes.html
+++ b/htdocs/gcc-13/changes.html
@@ -600,7 +600,7 @@ You may also want to check out our
AVR
- Support for the following devices has been added in v13.3:
+ Support for the following devices has been added in GCC 13.3:
ATtiny102, ATtiny104,
ATtiny424, ATtiny426, ATtiny427, ATtiny824, ATtiny826, ATtiny827,
ATtiny1624, ATtiny1626, ATtiny1627, ATtiny3224, ATtiny3226, ATtiny3227,
@@ -609,11 +609,11 @@ You may also want to check out our
AVR64DD32, AVR64DU28, AVR64DU32, AVR64EA28, AVR64EA32, AVR64EA48,
ATA5787, ATA5835, ATA5700M322.
- Support for the following devices has been added in v13.4:
+ Support for the following devices has been added in GCC 13.4:
AVR32SD20, AVR32SD28, AVR32SD32,
AVR64SD28, AVR64SD32, AVR64SD48.
- Support for the following devices has been added in v13.5:
+ Support for the following devices has been added in GCC 13.5:
AVR32DA28S, AVR32DA32S, AVR32DA48S,
AVR64DA28S, AVR64DA32S, AVR64DA48S AVR64DA64S,
AVR128DA28S, AVR128DA32S, AVR128DA48S, AVR128DA64S,
diff --git a/htdocs/gcc-14/changes.html b/htdocs/gcc-14/changes.html
index 4961a455..bf0a2015 100644
--- a/htdocs/gcc-14/changes.html
+++ b/htdocs/gcc-14/changes.html
@@ -910,11 +910,11 @@ __asm (".global __flmap_lock" "\n\t"
It now constrains the registers R24…R31 as is the case for all
the other devices.
- Support for the following devices has been added in v14.3:
+ Support for the following devices has been added in GCC 14.3:
AVR32SD20, AVR32SD28, AVR32SD32,
AVR64SD28, AVR64SD32, AVR64SD48.
- Support for the following devices has been added in v14.4:
+ Support for the following devices has been added in GCC 14.4:
AVR32DA28S, AVR32DA32S, AVR32DA48S,
AVR64DA28S, AVR64DA32S, AVR64DA48S AVR64DA64S,
AVR128DA28S, AVR128DA32S, AVR128DA48S, AVR128DA64S,
diff --git a/htdocs/gcc-15/changes.html b/htdocs/gcc-15/changes.html
index 989e0a88..f7a2d1cb 100644
--- a/htdocs/gcc-15/changes.html
+++ b/htdocs/gcc-15/changes.html
@@ -1185,12 +1185,12 @@ structure used in core 1.49.
>-msplit-bit-shift and
https://gcc.gnu.org/onlinedocs/gcc-15.1.0/gcc/AVR-Options.html#index-muse-nonzero-bits";
>-muse-nonzero-bits.
- Support for the following devices has been added in v15.2:
+ Support for the following devices has been added in GCC 15.2:
AVR32DA28S, AVR32DA32S, AVR32DA48S,
AVR64DA28S, AVR64DA32S, AVR64DA48S AVR64DA64S,
AVR128DA28S, AVR128DA32S, AVR128DA48S, AVR128DA64S.
- Support for the following devices has been added in v15.3:
+ Support for the following devices has been added in GCC 15.3:
AVR32EB14, AVR32EB20, AVR32EB28, AVR32EB32.
---
Summary of changes:
htdocs/gcc-13/changes.html | 6 +++---
htdocs/gcc-14/changes.html | 4 ++--
htdocs/gcc-15/changes.html | 4 ++--
3 files changed, 7 insertions(+), 7 deletions(-)
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gcc-wwwdocs
gcc-wwwdocs branch master updated. 8da37cf4b6847c399f9d7d3bbc322f563c8277de
This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "gcc-wwwdocs". The branch, master has been updated via 8da37cf4b6847c399f9d7d3bbc322f563c8277de (commit) from 7cf4ae1c7c8f97f8b424d1a3581912c34effc517 (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log - commit 8da37cf4b6847c399f9d7d3bbc322f563c8277de Author: Georg-Johann Lay Date: Mon Sep 15 16:14:07 2025 +0200 gcc-13/changes.html (avr): Notice AVR-DA-S and AVR32EB additions in v13.5. diff --git a/htdocs/gcc-13/changes.html b/htdocs/gcc-13/changes.html index b8d25574..29000382 100644 --- a/htdocs/gcc-13/changes.html +++ b/htdocs/gcc-13/changes.html @@ -613,6 +613,12 @@ You may also want to check out our AVR32SD20, AVR32SD28, AVR32SD32, AVR64SD28, AVR64SD32, AVR64SD48. + Support for the following devices has been added in v13.5: +AVR32DA28S, AVR32DA32S, AVR32DA48S, + AVR64DA28S, AVR64DA32S, AVR64DA48S AVR64DA64S, + AVR128DA28S, AVR128DA32S, AVR128DA48S, AVR128DA64S, + AVR32EB14, AVR32EB20, AVR32EB28, AVR32EB32. + IA-32/x86-64 --- Summary of changes: htdocs/gcc-13/changes.html | 6 ++ 1 file changed, 6 insertions(+) hooks/post-receive -- gcc-wwwdocs
