| Commit message (Collapse) | Author | Age | Files | Lines |
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gcc: another round of merges from the gcc pre-43 branch.
Bring The following revisions from the gcc43 branch[1]:
118360, 118361, 118363, 118576, 119820,
123906, 125246, and 125721.
They all have in common that the were merged long ago
into Apple's gcc and should help improve the general
quality of the compiler and make it easier to bring
new features from Apple's gcc42.
For details please review the additions to the files:
gcc/ChangeLog.gcc43
gcc/cp/ChangeLog.gcc43 (new, adds previous revisions)
Fix crosscompilation (r258445 by andreast)
Reference:
[1] http://gcc.gnu.org/viewcvs/gcc/trunk/?pathrev=126700
Obtained from: gcc pre4.3 (GPLv2) branch
MFC after: 3 weeks
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r258206, r258207, r258321
This is a series of commits inspired on Google's gcc-4.2.1 for
Android that were taken from the gcc pre-4.3 under the GPLv2.
gcc: Backport fixes for -W parentheses in C++
This fixes GCC 19564.
gcc: merge rs6000 change from FSF pre-gcc43
Don't set MASK_PPC_GFXOPT for 8540 or 8548.
Merge vrp-tree fix from gcc-4.3
Fix missed conversion from / to >> (GCC PR32521)
Merge in GCCr120505 to include definition of TREE_OVERFLOW_P
gcc: warn about integer overflow in constant expressions in the C++ frontend.
gcc: Add a new option -Wvla to warn variable length array.
libcpp: preprocessor speedup patches from upstream gcc.
gcc: add femit-struct-debug support to reduce Reduce dwarf debug size
gcc: Fix postreload-gcse treatment of call-clobbered registers.
gcc: Record some previous commits in the ChangeLog.gcc43 file.
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Use correct casts in gcc's emmintrin.h for the first arguments of the
following builtin functions:
* __builtin_ia32_pslldi128() takes __v4si instead of __v8hi
* __builtin_ia32_psllqi128() takes __v2di instead of __v8hi
* __builtin_ia32_psradi128() takes __v4si instead of __v8hi
This should fix the following errors when building the LINT kernel with
gcc:
sys/crypto/aesni/aesni_wrap.c:191: error: incompatible type for argument 1 of
'__builtin_ia32_psradi128'
sys/crypto/aesni/aesni_wrap.c:195: error: incompatible type for argument 1 of
'__builtin_ia32_pslldi128'
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endian the CPU is in, i.e. little-endian on most ARM cores.
This allows ARMv4 and ARMv5 boards to boot with the ARM EABI.
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-maes option, but not the -mpclmul option as I ran out of bits in
the 32 bit flags field... You can -D__PCLMUL__ to get this, but it
won't be compatible w/ clang and modern gcc...
Reviewed by: -current, -toolchain
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we expect on FreeBSD. The implementation is based on the existing macros.
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prior to the licence change so is under the GPLv2.
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Initial support for the AMD amdfam10 chipsets has been available in the
gcc43 branch under GPLv2. AMD and some linux distributions (OpenSUSE) did
a backport of the amdfam10 support and made it available.
This is a revised subset of the support initially brought in in r236962
and later reverted. The collateral efects seem to have disappeared but
it is still recommended to set the CPUTYPE with caution.
Reviewed by: jkim (ages ago)
MFC after: 3 weeks
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two copies of itself pasted together. Remove the extraneous copy.
MFC after: 3 days
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_Unwind_ForcedUnwind in libgcc_s takes as one of it's parameters a stop
function to tell it when to stop unwinding. One of the stop function's
parameters is a _Unwind_Exception_Class. On most architectures this is an
int64_t, however on ARM EABI the gcc developers have made this a char array
with 8 items. While both of these take the same space they are passed into
the stop function differently, an int64_t is passed in in registers r2 and
r3, while the char[8] is passed in as a pointer to the first item in
register r2.
Because libthr expects the value to be an int64_t we would get incorrect
results when it passes a function that take an int64_t but libgcc passes in
a pointer to a char array including crashing.
The fix is to update libgcc_s to make it pass an int64_t to the stop
function and to libstdc++ as it expects _Unwind_Exception_Class to be an
array.
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Submitted by: Christoph Mallon
MFC after: 3 days
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ARM EABI support is disabled by default and can be enabled by setting
WITH_ARM_EABI when building, however only the kernel-toolchain target will
work with this flag until the rest of the support is added.
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unsupported 26-bit addressing mode. This change is required for moving to
the ARM EABI.
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built with clang. When these are defined the lists are defined similar to:
asm(".section .ctors");
STATIC func_ptr __CTOR_LIST__[1] = { (func_ptr) (-1) };
asm(".section .dtors");
STATIC func_ptr __DTOR_LIST__[1] = { (func_ptr) (-1) };
The problem is clang will move the two arrays out of the .ctors and .dtors
sections causing these sections to contain a single null address. By not
defining these macros we use the version of the code that places the arrays
is their sections by using __attribute__((section(".ctors"))) and similar
for .dtors.
Submitted by: Daisuke Aoyama <aoyama AT peach.ne.jp>
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This makes the use of intrinsics easier in kernel environment, according
to the submitter.
Requested by: jmg
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r238211:
Support TARGET_ARCH=armv6 and TARGET_ARCH=armv6eb
This adds a new TARGET_ARCH for building on ARM
processors that support the ARMv6K multiprocessor
extensions. In particular, these processors have
better support for TLS and mutex operations.
This mostly touches a lot of Makefiles to extend
existing patterns for inferring CPUARCH from ARCH.
It also configures:
* GCC to default to arm1176jz-s
* GCC to predefine __FreeBSD_ARCH_armv6__
* gas to default to ARM_ARCH_V6K
* uname -p to return 'armv6'
* make so that MACHINE_ARCH defaults to 'armv6'
It also changes a number of headers to use
the compiler __ARM_ARCH_XXX__ macros to configure
processor-specific support routines.
Submitted by: Tim Kientzle <kientzle@freebsd.org>
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desired, one can turn off the generation of post-ELF standard dtags by
overriding it with --disable-new-dtags after the default switch.
Immediate effect of the change is that -rpath path is now stored both
in DT_RPATH and DT_RUNPATH tags, which is the right way to provide
rpath for dynamic linker supporting DT_RUNPATH per specification.
Reviewed by: kan
MFC after: 1 month
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Enable GNU hash generation for dynamic ELF binaries.
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The patches are unexpectedly causing gcc to fail while
building ports/graphics/ImageMagick even when the cpu
flags are not used.
Reported by: Andreas Tobler
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Initial support for the AMD barcelona chipsets has been available in the
gcc43 branch under GPLv2 but was not included when the Core 2 support
was brought to the system gcc.
AMD and some linux distributions (OpenSUSE) did a backport of the amdfam10
support and made them available. Unfortunately this is still experimental
and while it can improve performance, enabling the CPUTYPE may break some
C++ ports (like clang).
Special care was taken to make sure that the patches predate the GPLv3
switch upstream.
Tested by: Vladimir Kushnir
Reviewed by: mm
Approved by: jhb (mentor)
MFC after: 2 weeks
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Enable GNU hash generation for dynamic ELF binaries.
While at it, sync the order of options with x86 and pass along the verbose
flag.
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Reviewed by: kan
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the GCC 4.1 branch and are available under GPLv2.
2007-11-07 Eric Botcazou <ebotcazou@libertysurf.fr>
PR rtl-optimization/33822
* rtl.h (REG_OFFSET): Fix comment.
* var-tracking.c (INT_MEM_OFFSET): New macro.
(var_mem_set): Use it.
(var_mem_delete_and_set): Likewise.
(var_mem_delete): Likewise.
(vt_get_decl_and_offset): Likewise.
(offset_valid_for_tracked_p): New predicate.
(count_uses): Do not track locations with invalid offsets.
(add_uses): Likewise.
(add_stores): Likewise.
http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=129972
2007-11-16 Richard Guenther <rguenther@suse.de>
PR middle-end/34030
* fold-const.c (fold_binary): Use correct types for folding
1 << X & Y to Y >> X & 1.
http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=130242
2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
PR rtl-optimization/31944
* cse.c (remove_pseudo_from_table): New function.
(merge_equiv_classes): Use above function to remove pseudo-registers.
(invalidate): Likewise
http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=131524
2008-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
Backport:
2007-11-07 Kenneth Zadeck <zadeck@naturalbridge.com>
PR middle-end/33826
* ipa-pure-const (static_execute): Added code to keep recursive
functions from being marked as pure or const.
* ipa-utils (searchc): Fixed comment.
http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=131807
2008-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
Backport:
2007-08-02 Nathan Froyd <froydnj@codesourcery.com>
PR middle-end/25445
* varasm.c (default_binds_local_p_1): Consult flag_whole_program
if we are compiling with -fPIC.
http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=132061
2008-02-04 Richard Guenther <rguenther@suse.de>
PR middle-end/33631
* expr.c (count_type_elements): Give for unions instead of
guessing.
http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=132101
2008-02-14 Alan Modra <amodra@bigpond.net.au>
PR target/34393
* config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
to a reg.
http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=132309
2008-03-25 Richard Guenther <rguenther@suse.de>
Backport from mainline:
2008-02-12 Richard Guenther <rguenther@suse.de>
PR middle-end/35163
* fold-const.c (fold_widened_comparison): Use get_unwidened in
value-preserving mode. Disallow final truncation.
http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=133509
2008-11-30 Eric Botcazou <ebotcazou@adacore.com>
PR target/38287
* config/sparc/sparc.md (divsi3 expander): Remove constraints.
(divsi3_sp32): Add new alternative with 'K' for operand #2.
(cmp_sdiv_cc_set): Factor common string.
(udivsi3_sp32): Add new alternative with 'K' for operand #2.
Add TARGET_V9 case.
(cmp_udiv_cc_set): Factor common string.
http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=142298
Reviewed by: mm
Approved by: jhb (mentor)
MFC after: 1 week
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uncovered MIPS-related gcc bug described in
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33256
The patch was obtained from r128198 in gcc-4_1-branch, which is GPLv2,
so it's OK to merge it.
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DWARF code is not compatible with CTF tools
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we can also use the upstream binutils linker where we have to have a unique
name for the FreeBSD emulation.
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declares the proper size of a function. Without this macro recent GNU as will
complain about with:
'Error: .size expression for main does not evaluate to a constant.'
Up to now we produce this:
.L.main:
....
.size main, .-main
With the macro defined the output is this:
.L.main:
....
.size main,.-.L.main
This affects only the 64-bit compiler.
Tested with world and kernel on both, 32 and 64-bit powerpc.
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binaries on arm/armel.
Related gcc bug:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35965
PR: 161128
MFC after: 1 week
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C++ compilation.
PR: standards/147210
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(rev. 127959 of gcc-4_2-branch).
Resolved GCC bugs:
c++: 17763, 29365, 30535, 30917, 31337, 31941, 32108, 32112, 32346,
32898, 32992
debug: 32610, 32914
libstdc++: 33084, 33128
middle-end: 32563
rtl-optimization: 33148
tree-optimization: 25413, 32723
target: 32218
Tested by: pointyhat (miwi)
Obtained from: gcc (gcc-4_2-branch up to rev. 127959)
PR: gnu/153298, gnu/153959, gnu/154385
MFC after: 1 month
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- enable extra 80387 mathematical constants (ext_80387_constants) [1]
- enable compare and exchange 16 bytes (cmpxchg16b) [2]
Verified against llvm-gcc (and apple gcc)
Obtained from: gcc-4.3 (ref. svn revs. 119260 [1], 121140 [2]; GPLv2)
MFC after: 2 weeks
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Obtained from: gcc 4.3 (partial rev. 119454; GPLv2)
MFC after: 2 weeks
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Enabled by default for -march=core2
Obtained from: gcc 4.3 (rev. 117958, 121687, 121726, 123639; GPLv2)
MFC after: 2 weeks
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in r218822 and rtld(1) committed in r219533 turn on TLS support in GCC.
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These options are supported in this shape in all newer GCC versions.
PR: gnu/155308
Obtained from: gcc 4.3 (rev. 118090, 118973, 120846; GPLv2)
MFC after: 2 weeks
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and k8-sse3 cpu-types for -march=/-mtune= gcc options.
These new cpu-types include the SSE3 instruction set that is supported
by all newer AMD Athlon 64 and Opteron processors.
All three cpu-types are supported by clang and all gcc versions
starting with 4.3 SVN rev 124339 (at that time GPLv2 licensed).
PR: gnu/154906
Discussed with: kib, kan, dim
Obtained from: gcc 4.3 (r124339, GPLv2 licensed)
MFC after: 2 weeks
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we have a binutils that supports it. Kernel dot symbols remain on to assist
DDB.
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Mark gcc-provided asm files as not requiring executable stack.
It seems that non-FreeBSD ABIs for powerpc64 claim stack non-executable.
Due to this, rs6000_elf_end_indicate_exec_stack() only emit the note for
32 bit target. I decided not to change FreeBSD ABI and patch
emit the notes for both variants.
Reviewed and tested by: nwhitehorn
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Reviewed by: kan
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actually work, linking of libgcc_s.so.1 on ia64 will fail with:
unwind-ia64.So(.text+0x1762): In function `_Unwind_FindEnclosingFunction':
: undefined reference to `_Unwind_FindTableEntry'
unwind-ia64.So(.text+0x1d82): In function `uw_frame_state_for':
: undefined reference to `_Unwind_FindTableEntry'
/usr/bin/ld: libgcc_s.so.1: hidden symbol `_Unwind_FindTableEntry' isn't defined
Repair this by not hiding the _Unwind_FindTableEntry symbol; on FreeBSD,
it is in libc, not in libgcc.
Silence from: current@
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((visibility ("hidden"))) work properly, and fixes building devel/glib20
with newer binutils.
Silence from: current@
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stack unwinding, instead of naively trying to check the instruction at
that location. This fixes signal handling in threaded applications after
recent changes regarding unwinding in libthr. While here, clean up our
MD_FROB_UPDATE_CONTEXT() implementation a little.
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a variety of bugs in binutils related to handling of 64-bit PPC ELF,
provides a GCC configuration for 64-bit PowerPC on FreeBSD, and
associated build systems tweaks.
Obtained from: projects/ppc64
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o) Add TARGET_ABI to the MIPS toolchain build process. This sets the default
ABI to one of o32, n32 or n64. If it is not set, o32 is assumed as that is
the current default.
o) Set the default GCC cpu type to any specified TARGET_CPUTYPE. This is
necessary to have a working "cc" if e.g. mips64 is specified, as binutils
will refuse to link objects using different ISAs in some cases.
o) Add support for n32 and n64 ABIs to binutils and GCC.
o) Add additional required libgcc2 stubs for n32 and n64.
o) Add support for the "mips64r2" architecture to GCC. Add the "octeon"
o) When static linking, wrap default libraries in --start-group and
--end-group. This is required for static linking to work on n64 with the
interdependencies between libraries there. This is what other OSes that
support n64 seem to do, as well.
o) Fix our GCC spec to define __mips64 for 64-bit targets, not __mips64__, the
former being what libgcc, etc., check and the latter seemingly being a
misspelling of a hand merge from a Linux spec.
o) When no TARGET_CPUTYPE is specified at build time, make GCC take the default
ISA from the ABI. Our old defaults were too liberal and assumed that 64-bit
ABIs should default to the MIPS64 ISA and that 32-bit ABIs should default to
the MIPS32 ISA, when we are supporting or will support some systems based on
earlier 32-bit and 64-bit ISAs, most notably MIPS-III.
o) Merge a new opcode file (and support code) from a later version of binutils
and add flags and code necessary to support Octeon-specific instructions.
This should also make merging opcodes for other modern architectures easier.
Reviewed by: imp
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Correct a typo.
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the linker spec. Provide the ability to have a default ABI that's
different than o32 (again, for all 4).
Submitted by: C. Jayachandran (JC) with tweaks for o64/o32 by me
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Submitted by: jmallet@
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a few #defines from JC.
# tested only with o32 at the moment
Submitted by: C. Jayachandran (CJ)
Obtained from: NetBSD
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