t triplet)
4. Using "-mno-lasx" do not cause a fallback to "-msimd=none" as
long as the -march= architecture or the default --with-simd=
setting has LSX support.
Yang Yujie (4):
LoongArch: improved target configuration interface
LoongArch: define preprocessi
The configure script and the GCC driver are updated so that
it is easier to customize and control GCC builds for targeting
different LoongArch implementations.
* Make --with-abi obsolete, since it might cause different default ABI
under the same target triplet, which is undesirable. The default
gcc/ChangeLog:
* config.gcc: add loongarch*-elf target.
* config/loongarch/elf.h: New file.
Link against newlib by default.
libgcc/ChangeLog:
* config.host: add loongarch*-elf target.
---
gcc/config.gcc | 15 ++-
gcc/config/loongarch/elf.h | 5
LoongArch processors may not support memory accesses without natural
alignments. Building libraries with -mstrict-align may help with
toolchain binary compatiblity and performance on these implementations
(e.g. Loongson 2K1000LA).
No significant performance degredation is observed on current main
h= architecture or the default --with-simd=
setting has LSX support.
5. Other bug fixes.
Yang Yujie (4):
LoongArch: improved target configuration interface
LoongArch: define preprocessing macros "__loongarch_{arch,tune}"
LoongArch: add new configure option --with-strict-align
gcc/ChangeLog:
* config.gcc: add loongarch*-elf target.
* config/loongarch/elf.h: New file.
Link against newlib by default.
libgcc/ChangeLog:
* config.host: add loongarch*-elf target.
---
gcc/config.gcc | 15 ++-
gcc/config/loongarch/elf.h | 5
The configure script and the GCC driver are updated so that
it is easier to customize and control GCC builds for targeting
different LoongArch implementations.
* Make --with-abi obsolete, since it might cause different default ABI
under the same target triplet, which is undesirable. The default
These are exported according to the LoongArch Toolchain Conventions[1]
as a replacement of the obsolete "_LOONGARCH_{ARCH,TUNE}" macros,
which are expanded to strings representing the actual architecture
and microarchitecture of the target.
[1] currently relased at https://github.com/loongson/Loon
LoongArch processors may not support memory accesses without natural
alignments. Building libraries with -mstrict-align may help with
toolchain binary compatiblity and performance on these implementations
(e.g. Loongson 2K1000LA).
No significant performance degredation is observed on current main
gcc/ChangeLog:
* ada/Makefile.rtl: Add LoongArch support.
* ada/libgnarl/s-linux__loongarch.ads: New.
* ada/libgnat/system-linux-loongarch.ads: New.
* config/loongarch/loongarch.h: mark normalized options
passed from driver to gnat1 as explicit for multilib.
gcc/ChangeLog:
* ada/Makefile.rtl: Add LoongArch support.
* ada/libgnarl/s-linux__loongarch.ads: New.
* ada/libgnat/system-linux-loongarch.ads: New.
* config/loongarch/loongarch.h: mark normalized options
passed from driver to gnat1 as explicit for multilib.
Multilib in gcc is asymmetric. i.e. a "default" / "toplevel"
library variant is always built and installed, and:
* it is installed directly under the gcc libdir (with no suffix);
* it is selected / searched / linked against when the gcc driver
does not receive any option from MULTILIB_OPTIONS
gcc/ChangeLog:
* config.gcc: add loongarch*-elf target.
* config/loongarch/elf.h: New file.
Link against newlib by default.
libgcc/ChangeLog:
* config.host: add loongarch*-elf target.
---
gcc/config.gcc | 21 ---
gcc/config/loongarch/elf.h
LoongArch processors may not support memory accesses without natural
alignments. Building libraries with -mstrict-align may help with
toolchain binary compatiblity and performance on these implementations
(e.g. Loongson 2K1000LA).
With this patch, no significant performance degredation is observe
The configure script and the GCC driver are updated so that
it is easier to customize and control GCC builds for targeting
different LoongArch implementations.
* Support options for LoongArch SIMD extensions:
new configure options --with-simd={none,lsx,lasx};
new driver options -m[no]-l[a]sx /
These are exported according to the LoongArch Toolchain Conventions[1]
as a replacement of the obsolete "_LOONGARCH_{ARCH,TUNE}" macros,
which are expanded to strings representing the actual architecture
and microarchitecture of the target.
[1] currently relased at https://github.com/loongson/Loon
gcc/ChangeLog:
* gcc/config/loongarch/t-loongarch: include loongarch-def.h,
loongarch-tune.h and loongarch-driver.h in OPTIONS_H_EXTRA.
Co-authored-by: Lulu Cheng
---
gcc/config/loongarch/t-loongarch | 5 -
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/gcc/conf
Hello,
This patch fixes libgccjit build failure on loongarch* targets,
and could probably be useful for future ports.
For now, libgccjit is linked with objects from $(EXTRA_GCC_OBJS) and
libbackend.a, which contains object files from $(EXTRA_OBJS).
This effectively forbids any overlap between th
iver than
${cpu_arch}-common.o.
Regression tested on loongarch64-linux-gnuf64 an x86_64-pc-linux-gnu.
Ok for trunk?
Yujie
>From 5d9121fa052c556fd854596af35da8e5649e8f08 Mon Sep 17 00:00:00 2001
From: Yang Yujie
Date: Fri, 22 Apr 2022 14:36:37 +0800
Subject: [PATCH] libgccjit: allow common objects i
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