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GCC

GCC, the GNU Compiler Collection that is the Free Software Foundation open-source compiler for C, C++, Fortran, Java, ADA, and other languages.

Today's Activity

[aarch64] Add HiSilicon tsv110 CPU support
ktkachov: This patch adds HiSilicon's an mcpu: tsv110, which supports v8_4A.

[NDS32] Add t-nds32-glibc file
jasonwucj: libgcc/

Yesterday's Activity

Fix PEELING_FOR_NITERS calculation (PR 87288)
rsandifo: PEELING_FOR_GAPS now means "peel one iteration for the epilogue", in much the same way that PEELING_FOR_ALIGNMENT > 0 means "peel that number of iterations for the prologue".

Add -Wclass-conversion. * c.opt (Wclass-conversion): New
mpolacek: Add -Wclass-conversion. - c.opt (Wclass-conversion): New. - decl.c (grok_op_properties): Change a warning from -Wconversion to -Wclass-conversion.

Other Activity This Week

substring-locations: add class format_string_diagnostic_t
dmalcolm: With the addition of ranges in r263564, format_warning_at_substring_n has 10 arguments. Reduce the number of args by bundling the shared ones into a class format_string_diagnostic_t. gcc/c-family/ChangeLog: - c-format.c (format_warning_at_char): Update for introduction of format_string_diagnostic_t.

[nvptx] Add atomic_fetch* support for SImode arguments
cesar: gcc/ - config/nvptx/nvptx.md (atomic_fetch_<logic><mode>): Enable with SImode args. gcc/testsuite/ - gcc.target/nvptx/atomic-fetch-2.c: Rename to ... - gcc.target/nvptx/atomic_fetch-2.c: ...

[ARC] Enable DBNZ for core3 and newer CPUs
claziss: 2018-09-17 Vineet Gupta

Recent Activity

[aarch64] Add HiSilicon tsv110 CPU support
ktkachov: This patch adds HiSilicon's an mcpu: tsv110, which supports v8_4A.

[NDS32] Add t-nds32-glibc file
jasonwucj: libgcc/

Fix PEELING_FOR_NITERS calculation (PR 87288)
rsandifo: PEELING_FOR_GAPS now means "peel one iteration for the epilogue", in much the same way that PEELING_FOR_ALIGNMENT > 0 means "peel that number of iterations for the prologue".

Add -Wclass-conversion. * c.opt (Wclass-conversion): New
mpolacek: Add -Wclass-conversion. - c.opt (Wclass-conversion): New. - decl.c (grok_op_properties): Change a warning from -Wconversion to -Wclass-conversion.

substring-locations: add class format_string_diagnostic_t
dmalcolm: With the addition of ranges in r263564, format_warning_at_substring_n has 10 arguments. Reduce the number of args by bundling the shared ones into a class format_string_diagnostic_t. gcc/c-family/ChangeLog: - c-format.c (format_warning_at_char): Update for introduction of format_string_diagnostic_t.

[nvptx] Add atomic_fetch* support for SImode arguments
cesar: gcc/ - config/nvptx/nvptx.md (atomic_fetch_<logic><mode>): Enable with SImode args. gcc/testsuite/ - gcc.target/nvptx/atomic-fetch-2.c: Rename to ... - gcc.target/nvptx/atomic_fetch-2.c: ...

[ARC] Enable DBNZ for core3 and newer CPUs
claziss: 2018-09-17 Vineet Gupta

Fix overeager spelling corrections (PR c/82967)
dmalcolm: This patch tunes class best_match's cutoff for rejecting meaningless spelling suggestions. Previously, we allowed an edit distance of up to half of the length of the longer of the goal string and closest candidate strings, rounded down. With this patch, we now allow only up to a third - with some tuning of rounding (and for very short strings), to ensure that: (a) everything that worked before still works (with the removal of a couple of cases that shouldn't), and that (b) the new threshold is always at least as conservative as the old threshold and thus shouldn't offer new nonsensical suggestions (with the possible exception of cases where transposition has helped; see r261521 aka Damerau-Levenshtein; PR other/69968). In particular, all of the bogus suggestions from PR c/82967 are now no longer offered. gcc/ChangeLog: PR c/82967 - spellcheck.c (get_edit_distance_cutoff): New function.

rs6000: Add another Z to go with Y (PR87224)
segher: This is another case where we ICE because Y does not allow reg+reg, we need Z for that.

compiler, runtime: open code select
ian: This is the gofrontend version of

GCC Release Tags

[libgomp, nvptx] Note that cuGetErrorString is in CUDA_VERSION >= 6000
vries: Cuda driver api function cuGetErrorString is available in version 6.0 and higher. This patch:- removes a comment saying the declaration is not available in cuda.h 6.0- fixes the presence test to use CUDA_VERSION < 6000- moves the declaration to toplevel Build on x86_64 with nvptx accelerator and reg-tested libgomp. 2018-08-08 Tom de Vries - plugin/plugin-nvptx.c (cuda_error): Move declaration of cuGetErrorString ...

libgo: update to Go 1.10.3 release
ian: Reviewed-on:

libgo: update to Go 1.10.2 release
ian: Reviewed-on:

libgo: update to final Go 1.10 release
ian: Reviewed-on:

Cleanup Solaris linker version checks
ro: - acinclude.m4 (gcc_AC_INITFINI_ARRAY): Don't require gcc_SUN_LD_VERSION.

Conversion operators have a special name * cp-tree.h (CPTI_CONV_OP_MARKER, CPTI_CONV_OP_IDENTIFIER): New. (conv_op_marker, conv_op_identifier): New. (CLASSTYPE_F
nathan: Conversion operators have a special name - cp-tree.h (CPTI_CONV_OP_MARKER, CPTI_CONV_OP_IDENTIFIER): New.

PR libstdc++/81092 Regenerate configure for libtool_VERSION change
redi: PR libstdc++/81092

libgo: update to 1.8.3 release
ian: Reviewed-on:

PR tree-optimization/79390 * target.h (struct noce_if_info): Declare. * targhooks.h (default_noce_conversion_profitable_p): Declare. * target.def (noce_conversio
jakub: PR tree-optimization/79390 - target.h (struct noce_if_info): Declare. - targhooks.h (default_noce_conversion_profitable_p): Declare. - target.def (noce_conversion_profitable_p): New target hook. - ifcvt.h (struct noce_if_info): New type, moved from ... - ifcvt.c (struct noce_if_info): ...

libgo: update to final Go 1.8 release
ian: Along with the update this fixes a problem that was always present but only showed up with the new reflect test.

Most Popular In The Past Month

Strenghten assumption about gswitch statements
marxin: 2018-08-29 Martin Liska

[nvptx] Basic -misa support for nvptx
cesar: gcc/ - config/nvptx/nvptx-opts.h: New file. - config/nvptx/nvptx.c (nvptx_file_start): Print the correct .target. - config/nvptx/nvptx.h: Include "nvptx-opts.h".

Optimise sqrt reciprocal multiplications
ktkachov: This patch aims to optimise sequences involving uses of 1.0 / sqrt (a) under -freciprocal-math and -funsafe-math-optimizations.

Forward declare debug containers so std::pmr aliases work
redi: Prior to this change, including a <debug/xxx> header when _GLIBCXX_DEBUG is also defined would fail to compile in C++17 or later.

[AArch64] Implement new intrinsics vabsd_s64 and vnegd_s64.
vladlazar: gcc/ 2018-08-31 Vlad Lazar - config/aarch64/arm_neon.h (vabsd_s64): New.

Add -Waligned-new to Option Summary
redi: - doc/invoke.

Implement LWG 2905 changes to constrain unique_ptr constructors
redi: LWG DR 2905 says that is_constructible_v<unique_ptr<P, D>, P, D const &> should be false when D is not copy constructible.

Add self to maintainers list
matmal01: 2018-09-13 Matthew Malcomson

compiler: omit a couple of write barriers
ian: Omit a write barrier for s = s[0:] for a slice s.

Add sorry_at diagnostic function
ams: The plain "sorry" diagnostic only gives the "current" location, which is typically the last line of the function or translation unit by time we get to the back end.

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