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gcc/arc: Fix for 32-bit arc shift without barrel shifter #926

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gcc/arc: Fix for 32-bit arc shift without barrel shifter #926

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190ef24
crosstool-ng: Add multilib-space bits
keith-packard May 17, 2025
efb0afe
gcc: Build libstdc++ without C++ exceptions with multilib -Os
keith-packard May 17, 2025
f188ae8
picolibc: Get ARM asm exception changes
keith-packard May 17, 2025
62cd55b
cmake: Make Zephyr use full libstdc++ with CPP_EXCEPTIONS
keith-packard May 17, 2025
3ee05a2
Enable multilib-space for everyone
keith-packard May 17, 2025
2c583f0
Revert "config: common: do not strip libs"
keith-packard May 17, 2025
c400602
gcc/arc: Clobber CC and LP when shifting without barrel shifter
keith-packard May 24, 2025
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4 changes: 4 additions & 0 deletions cmake/zephyr/Kconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -22,3 +22,7 @@ config PICOLIBC_DEFAULT
depends on "$(ZEPHYR_TOOLCHAIN_VARIANT)" = "zephyr"
help
Zephyr SDK >=0.17.1 always uses Picolibc

choice COMPILER_OPTIMIZATIONS
default SPEED_OPTIMIZATIONS if "$(ZEPHYR_TOOLCHAIN_VARIANT)" = "zephyr" && CPP_EXCEPTIONS
endchoice
1 change: 0 additions & 1 deletion configs/arc-zephyr-elf.config
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Original file line number Diff line number Diff line change
Expand Up @@ -4,4 +4,3 @@ CT_ARCH_ARC=y
CT_TARGET_VENDOR="zephyr"
CT_TARGET_CFLAGS="-mno-sdata -mtp-regno=26 -ftls-model=local-exec"
CT_MULTILIB=y
CT_MULTILIB_SPACE=y
1 change: 0 additions & 1 deletion configs/arm-zephyr-eabi.config
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,5 @@ CT_ARCH_ARM_INTERWORKING=y
CT_TARGET_VENDOR="zephyr"
CT_TARGET_CFLAGS="-ftls-model=local-exec"
CT_MULTILIB=y
CT_MULTILIB_SPACE=y
CT_CC_GCC_MULTILIB_LIST="rmprofile"
CT_LIBC_NEWLIB_NANO_TARGET_CFLAGS="-mthumb-interwork"
3 changes: 1 addition & 2 deletions configs/common.config
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Original file line number Diff line number Diff line change
@@ -1,7 +1,5 @@
# Common crosstool-ng configurations for all toolchain variants

CT_STRIP_TARGET_TOOLCHAIN_LIBRARIES=n

# Ncurses
CT_NCURSES_HOST_FALLBACKS="linux,xterm,xterm-color,xterm-256color,vt100,screen,screen-256color,tmux,tmux-256color"

Expand All @@ -21,6 +19,7 @@ CT_GCC_CUSTOM_LOCATION="${GITHUB_WORKSPACE}/gcc"
CT_CC_GCC_EXTRA_CONFIG_ARRAY="--with-gnu-ld --with-gnu-as --enable-initfini-array"
CT_CC_GCC_CORE_EXTRA_CONFIG_ARRAY="--with-gnu-ld --with-gnu-as --enable-initfini-array"
CT_CC_LANG_CXX=y
CT_MULTILIB_SPACE=y

# Picolibc
CT_LIBC_PICOLIBC=y
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2 changes: 1 addition & 1 deletion crosstool-ng
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Submodule crosstool-ng updated 6 files
+16 −2 config/target.in
+1 −1 scripts/build/binutils/binutils.sh
+3 −0 scripts/build/cc/gcc.sh
+14 −2 scripts/build/companion_libs/340-picolibc.sh
+1 −1 scripts/build/companion_libs/350-newlib_nano.sh
+1 −1 scripts/build/libc/newlib.sh
2 changes: 1 addition & 1 deletion gcc
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Submodule gcc updated 3 files
+4 −2 config-ml.in
+11 −1 gcc/config/arc/arc.md
+0 −1 libstdc++-v3/configure.host
2 changes: 1 addition & 1 deletion gcc_arc
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Submodule gcc_arc updated 10 files
+4 −2 config-ml.in
+3 −0 gcc/config.gcc
+11 −1 gcc/config/arc/arc.md
+4 −4 gcc/config/picolibc-spec.h
+144 −0 gcc/config/riscv/t-zephyr
+19 −0 gcc/config/xtensa/t-xtensa
+16 −7 gcc/gcc.cc
+115 −0 gcc/ginclude/core-isa.h
+0 −1 libstdc++-v3/configure.host
+1 −1 libstdc++-v3/src/c++11/random.cc
2 changes: 1 addition & 1 deletion picolibc
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Submodule picolibc updated 32 files
+2 −2 .github/workflows/coreboot.yml
+3 −3 .github/workflows/linux.yml
+1 −1 .github/workflows/steps-head
+2 −2 .github/workflows/zephyr.yml
+1 −0 CMakeLists.txt
+1 −2 COPYING.picolibc
+73 −49 meson.build
+0 −1 newlib/libc/include/CMakeLists.txt
+0 −74 newlib/libc/include/_syslist.h
+1 −0 newlib/libc/include/inttypes.h
+0 −1 newlib/libc/include/meson.build
+1 −1 newlib/libc/include/stdint.h
+22 −0 newlib/libc/machine/arm/arm_asm.h
+3 −3 newlib/libc/machine/arm/memchr.S
+3 −3 newlib/libc/machine/arm/memcpy-armv7m.S
+3 −3 newlib/libc/machine/arm/memset-thumb.S
+3 −3 newlib/libc/machine/arm/memset-thumb2.S
+3 −3 newlib/libc/machine/arm/strcmp-arm-tiny.S
+3 −3 newlib/libc/machine/arm/strcmp-armv7.S
+3 −3 newlib/libc/machine/arm/strcmp-armv7m.S
+3 −3 newlib/libc/machine/arm/strcpy.S
+3 −3 newlib/libc/machine/arm/strlen-armv7.S
+3 −3 newlib/libc/machine/arm/strlen-thumb2-Os.S
+0 −1 newlib/libc/signal/signal.c
+0 −1 newlib/libc/stdio/fdopen.c
+0 −1 newlib/libc/stdio64/fdopen64.c
+0 −1 newlib/libc/stdlib/system.c
+2 −2 newlib/libc/tinystdio/stdio_private.h
+1 −1 newlib/libm/machine/powerpc/meson.build
+0 −6 picolibc.h.in
+2 −1 test/meson.build
+1 −0 test/test-flockfile.c