The default C library is normally computed based on the target
triplet. However, for embedded systems, it can be useful to leave the
triplet alone while changing which C library is used by default. Other
C libraries may still be available on the system so the compiler and
can be used by specifying
This option allows targets to insert an OS library after the C library
in the LIB_PATH spec file fragment. This library maps a few POSIX APIs
used by picolibc to underlying system capabilities.
For example, picolibc provides 'libsemihost' on various targets which
maps these APIs to semihosting
Picolibc is a C library for embedded systems based on code from newlib
and avr libc. To connect some system-dependent picolibc functions
(like stdio) to an underlying platform, the platform may provide an OS
library.
This OS library must follow the C library in the link command line. In
current
Signed-off-by: Keith Packard
---
gcc/config.gcc | 11 ++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/gcc/config.gcc b/gcc/config.gcc
index 0679a76bebb..84bca8df615 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -661,7 +661,7 @@ case ${target} in
esac
# Common
On 2/4/23 20:41, Jason Merrill wrote:
On 2/4/23 20:08, Patrick Palka wrote:
On Sat, 4 Feb 2023, Jason Merrill wrote:
On 2/4/23 15:31, Patrick Palka wrote:
After r13-5684-g59e0376f607805 the (pruned) callee of a non-dependent
CALL_EXPR is a bare FUNCTION_DECL rather than ADDR_EXPR of
From: Ju-Zhe Zhong
gcc/testsuite/ChangeLog:
* gcc.target/riscv/rvv/base/vsadd_vv-1.c: New test.
* gcc.target/riscv/rvv/base/vsadd_vv-2.c: New test.
* gcc.target/riscv/rvv/base/vsadd_vv-3.c: New test.
* gcc.target/riscv/rvv/base/vsadd_vv_m-1.c: New test.
*
From: Ju-Zhe Zhong
gcc/testsuite/ChangeLog:
* gcc.target/riscv/rvv/base/vsaddu_vv-1.c: New test.
* gcc.target/riscv/rvv/base/vsaddu_vv-2.c: New test.
* gcc.target/riscv/rvv/base/vsaddu_vv-3.c: New test.
* gcc.target/riscv/rvv/base/vsaddu_vv_m-1.c: New test.
From: Ju-Zhe Zhong
gcc/testsuite/ChangeLog:
* gcc.target/riscv/rvv/base/vssub_vv-1.c: New test.
* gcc.target/riscv/rvv/base/vssub_vv-2.c: New test.
* gcc.target/riscv/rvv/base/vssub_vv-3.c: New test.
* gcc.target/riscv/rvv/base/vssub_vv_m-1.c: New test.
*
From: Ju-Zhe Zhong
gcc/testsuite/ChangeLog:
* gcc.target/riscv/rvv/base/vssubu_vv-1.c: New test.
* gcc.target/riscv/rvv/base/vssubu_vv-2.c: New test.
* gcc.target/riscv/rvv/base/vssubu_vv-3.c: New test.
* gcc.target/riscv/rvv/base/vssubu_vv_m-1.c: New test.
From: Ju-Zhe Zhong
gcc/testsuite/ChangeLog:
* g++.target/riscv/rvv/base/vssubu_vv-1.C: New test.
* g++.target/riscv/rvv/base/vssubu_vv-2.C: New test.
* g++.target/riscv/rvv/base/vssubu_vv-3.C: New test.
* g++.target/riscv/rvv/base/vssubu_vv_mu-1.C: New test.
From: Ju-Zhe Zhong
gcc/testsuite/ChangeLog:
* g++.target/riscv/rvv/base/vssub_vv-1.C: New test.
* g++.target/riscv/rvv/base/vssub_vv-2.C: New test.
* g++.target/riscv/rvv/base/vssub_vv-3.C: New test.
* g++.target/riscv/rvv/base/vssub_vv_mu-1.C: New test.
From: Ju-Zhe Zhong
gcc/testsuite/ChangeLog:
* g++.target/riscv/rvv/base/vsaddu_vv-1.C: New test.
* g++.target/riscv/rvv/base/vsaddu_vv-2.C: New test.
* g++.target/riscv/rvv/base/vsaddu_vv-3.C: New test.
* g++.target/riscv/rvv/base/vsaddu_vv_mu-1.C: New test.
From: Ju-Zhe Zhong
gcc/testsuite/ChangeLog:
* g++.target/riscv/rvv/base/vsadd_vv-1.C: New test.
* g++.target/riscv/rvv/base/vsadd_vv-2.C: New test.
* g++.target/riscv/rvv/base/vsadd_vv-3.C: New test.
* g++.target/riscv/rvv/base/vsadd_vv_mu-1.C: New test.
From: Ju-Zhe Zhong
gcc/testsuite/ChangeLog:
* gcc.target/riscv/rvv/base/binop_vx_constraint-100.c: New test.
* gcc.target/riscv/rvv/base/binop_vx_constraint-101.c: New test.
* gcc.target/riscv/rvv/base/binop_vx_constraint-102.c: New test.
*
From: Ju-Zhe Zhong
gcc/ChangeLog:
* config/riscv/iterators.md: Add saturating Addition && Subtraction.
* config/riscv/riscv-v.cc (has_vi_variant_p): Ditto.
* config/riscv/riscv-vector-builtins-bases.cc (BASE): Ditto.
* config/riscv/riscv-vector-builtins-bases.h:
On 2/4/23 20:08, Patrick Palka wrote:
On Sat, 4 Feb 2023, Jason Merrill wrote:
On 2/4/23 15:31, Patrick Palka wrote:
After r13-5684-g59e0376f607805 the (pruned) callee of a non-dependent
CALL_EXPR is a bare FUNCTION_DECL rather than ADDR_EXPR of FUNCTION_DECL.
This innocent change revealed
On Sat, 4 Feb 2023, Jason Merrill wrote:
> On 2/4/23 15:31, Patrick Palka wrote:
> > After r13-5684-g59e0376f607805 the (pruned) callee of a non-dependent
> > CALL_EXPR is a bare FUNCTION_DECL rather than ADDR_EXPR of FUNCTION_DECL.
> > This innocent change revealed that cp_tree_equal doesn't
Hi,
this patch enables AVX512 by default on Zen4. While internally 512
registers are splits into two 256 halves, 512 bit vectors reduces number
of instructions to retire and has chance to improve paralelism.
There are few tsvc benchmarks that improves significantly:
runtime
benchmark
On 2/4/23 15:31, Patrick Palka wrote:
After r13-5684-g59e0376f607805 the (pruned) callee of a non-dependent
CALL_EXPR is a bare FUNCTION_DECL rather than ADDR_EXPR of FUNCTION_DECL.
This innocent change revealed that cp_tree_equal doesn't first check
dependentness of a CALL_EXPR before treating
This patch (primarily) documents the VEC_PERM_EXPR tree code in
generic.texi. For ease of review, it is provided below as a pair
of diffs. The first contains just the new text added to describe
VEC_PERM_EXPR, the second tidies up this part of the documentation
by sorting the tree codes into
After r13-5684-g59e0376f607805 the (pruned) callee of a non-dependent
CALL_EXPR is a bare FUNCTION_DECL rather than ADDR_EXPR of FUNCTION_DECL.
This innocent change revealed that cp_tree_equal doesn't first check
dependentness of a CALL_EXPR before treating the callee as a dependent
name, which
I ran into this by chance and found there are probably quite a bit
more parts of https://gcc.gnu.org/projects/beginner.html that should
be removed.
Any volunteers to have a look? (Jeff, maybe you can help trim this a bit?)
Gerald
---
htdocs/projects/beginner.html | 4 +---
1 file changed, 1
Per http://wiki.dwarfstd.org/index.php?title=C%2B%2B0x:_Variadic_templates
DW_TAG_GNU_formal_parameter_pack should have a DW_AT_name:
17$: DW_TAG_formal_parameter_pack
DW_AT_name("args")
18$: DW_TAG_formal_parameter
! no DW_AT_name attribute
On Sat, 4 Feb 2023, 13:12 François Dumont via Libstdc++, <
libstd...@gcc.gnu.org> wrote:
> On 03/02/23 15:50, Jonathan Wakely wrote:
> > On Wed, 25 Jan 2023 at 18:38, François Dumont
> wrote:
> >> Let's submit a proper patch proposal then.
> >>
> >> The occasion for me to ask if there is any
On 03/02/23 15:50, Jonathan Wakely wrote:
On Wed, 25 Jan 2023 at 18:38, François Dumont wrote:
Let's submit a proper patch proposal then.
The occasion for me to ask if there is any reason for cow string not
being C++11 allocator compliant ? Just lack of interest ?
Mostly lack of interest,
On Sat, 4 Feb 2023, 03:20 Hans-Peter Nilsson via Libstdc++, <
libstd...@gcc.gnu.org> wrote:
> Tested cris-elf and native x86_64-pc-linux-gnu.
> Ok to commit?
>
Yes, we already do this with other stdint.h types when we don't want to
include stdint.h if we don't *really* need all of it.
OK,
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