MFC r259873:

gcc: small enhancements for the arm support.

fixes GCC-PR target/31152

Obtained from: gcc 4.3 (rev. r118461, 125973: GPLv2)

MFC r259841

gcc: Add ability to generate DWARF pubtypes section if
DEBUG_PUBTYPES_SECTION is defined.

Obtained from: gcc 4.3 (rev. 118826; GPLv2)

MFC r259655 (partial), r259944:

gcc: merge small upstream changes.

Fix for PR c++/29928

Backport from mainline:
2007-04-24 Hui-May Chang <hm.chang@apple.com>

* reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.

Obtained from: gcc 4.3 (rev. r124115, 124724: GPLv2)

MFC r259525, r259526, r259529

gcc: small merges from upstream

fix ICE in rs6000 when using -fno-trapping-math.
Solves GCC-PR target/30485

Solve GCC issues:
PR middle-end/32602
PR middle-end/32603

Updates the to documentation and processing improvement.

Obtained from: gcc 4.3 (rev. 120902, 120902, 119427, 126278, 126422;
GPLv2)

MFC r259005, r259092:

gcc: Add -flax-vector-conversions
gcc: new fvisibility-ms-compat option

These are useful for compatibility with newwer gcc and clang.

Obtained from: gcc 4.3 (rev. 120572, 120688, 126088; GPLv2)

gcc: Merge upstream changes.

Include types in error message for build_binary_op.

Mostly cosmetic changes, to reduce differences with Apple's gcc.

Obtained from: gcc 4.3 (rev. 120611, 124839, 125239; GPLv2)

MFC r258017, r258429, r258748, r258817:

Merge updates from FSF pre4.3 GCC inspired on Apple's gcc:

Updates to libiberty and mangling.
New align attribute.
Merge Apple updates to libstdc++.

MFC r258731:

gcc: Make use of TREE_OVERFLOW_P.

While it was brought in r258179 only to fix a build issue,
bringing the rest of the change has the advantage of fixing
GCC/19978.

Obtained from: gcc 4.3 (rev. 120505; GPLv2)

MFC r258651, r258943:
gcc: Altivec register adjustments from Apple.
gcc: On rs6000 update sp_offset depending only on size.

Tested by: Justin Hibbits
Obtained from: gcc pre-4.3 (rev. 124763, 125116; GPLv2)

MFC r258428, r258445

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

MFC r258081, r258138, r258143, r258179, r258157, r258204, 258205,
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.

MFC r259873:

gcc: small enhancements for the arm support.

fixes GCC-PR target/31152

Obtained from: gcc 4.3 (rev. r118461, 125973: GPLv2)

MFC r259841

gcc: Add ability to generate DWARF pubtypes section if
DEBUG_PUBTYPES_SECTION is defined.

Obtained from: gcc 4.3 (rev. 118826; GPLv2)

MFC r259655 (partial), r259944:

gcc: merge small upstream changes.

Fix for PR c++/29928

Backport from mainline:
2007-04-24 Hui-May Chang <hm.chang@apple.com>

* reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.

Obtained from: gcc 4.3 (rev. r124115, 124724: GPLv2)

MFC r259525, r259526, r259529

gcc: small merges from upstream

fix ICE in rs6000 when using -fno-trapping-math.
Solves GCC-PR target/30485

Solve GCC issues:
PR middle-end/32602
PR middle-end/32603

Updates the to documentation and processing improvement.

Obtained from: gcc 4.3 (rev. 120902, 120902, 119427, 126278, 126422;
GPLv2)

MFC r259005, r259092:

gcc: Add -flax-vector-conversions
gcc: new fvisibility-ms-compat option

These are useful for compatibility with newwer gcc and clang.

Obtained from: gcc 4.3 (rev. 120572, 120688, 126088; GPLv2)

gcc: Merge upstream changes.

Include types in error message for build_binary_op.

Mostly cosmetic changes, to reduce differences with Apple's gcc.

Obtained from: gcc 4.3 (rev. 120611, 124839, 125239; GPLv2)

MFC r258017, r258429, r258748, r258817:

Merge updates from FSF pre4.3 GCC inspired on Apple's gcc:

Updates to libiberty and mangling.
New align attribute.
Merge Apple updates to libstdc++.

MFC r258731:

gcc: Make use of TREE_OVERFLOW_P.

While it was brought in r258179 only to fix a build issue,
bringing the rest of the change has the advantage of fixing
GCC/19978.

Obtained from: gcc 4.3 (rev. 120505; GPLv2)

MFC r258651, r258943:
gcc: Altivec register adjustments from Apple.
gcc: On rs6000 update sp_offset depending only on size.

Tested by: Justin Hibbits
Obtained from: gcc pre-4.3 (rev. 124763, 125116; GPLv2)

MFC r258428, r258445

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

MFC r258081, r258138, r258143, r258179, r258157, r258204, 258205,
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.