diff --git a/.github/workflows/base.yml b/.github/workflows/base.yml
index ec12fd0..773ec6f 100644
--- a/.github/workflows/base.yml
+++ b/.github/workflows/base.yml
@@ -6,9 +6,9 @@ permissions:
 on:
   # pull_request:
   push:
-    # branches:
+    branches:
     #   - main
-    #   - dev
+      - dev
     tags:
       - 'base-[0-9]+-[0-9]+-[0-9]+'
   schedule:
@@ -29,59 +29,60 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          # Linux (musl)
-          - target: aarch64-unknown-linux-musl
-          - target: arm-unknown-linux-musleabi
-          - target: arm-unknown-linux-musleabihf
-          - target: armv5te-unknown-linux-musleabi
-          - target: armv7-unknown-linux-musleabi
-          - target: armv7-unknown-linux-musleabihf
-          - target: hexagon-unknown-linux-musl # tier3
-          - target: i586-unknown-linux-musl
-          - target: i686-unknown-linux-musl
-          # - target: loongarch64-unknown-linux-musl # tier3, musl-cross-make doesn't support this target
-          - target: mips-unknown-linux-musl # tier3
-          - target: mips64-unknown-linux-muslabi64 # tier3
-          - target: mips64el-unknown-linux-muslabi64 # tier3
-          - target: mipsel-unknown-linux-musl # tier3
-          - target: powerpc-unknown-linux-musl # tier3
-          - target: powerpc64-unknown-linux-musl # tier3
-          - target: powerpc64le-unknown-linux-musl # tier3
-          - target: riscv32gc-unknown-linux-musl # tier3
-          - target: riscv64gc-unknown-linux-musl # tier3
-          - target: s390x-unknown-linux-musl # tier3
-          - target: thumbv7neon-unknown-linux-musleabihf # tier3
-          - target: x86_64-unknown-linux-musl
+          # # Linux (musl)
+          # - target: aarch64-unknown-linux-musl
+          # - target: arm-unknown-linux-musleabi
+          # - target: arm-unknown-linux-musleabihf
+          # - target: armv5te-unknown-linux-musleabi
+          # - target: armv7-unknown-linux-musleabi
+          # - target: armv7-unknown-linux-musleabihf
+          # - target: hexagon-unknown-linux-musl # tier3
+          # - target: i586-unknown-linux-musl
+          # - target: i686-unknown-linux-musl
+          # # - target: loongarch64-unknown-linux-musl # musl-cross-make doesn't support this target
+          # - target: mips-unknown-linux-musl # tier3
+          # - target: mips64-unknown-linux-muslabi64 # tier3
+          # - target: mips64el-unknown-linux-muslabi64 # tier3
+          # - target: mipsel-unknown-linux-musl # tier3
+          # - target: powerpc-unknown-linux-musl # tier3
+          - target: powerpc-unknown-linux-muslspe # tier3
+          # - target: powerpc64-unknown-linux-musl # tier3
+          # - target: powerpc64le-unknown-linux-musl # tier3
+          # - target: riscv32gc-unknown-linux-musl # tier3
+          # - target: riscv64gc-unknown-linux-musl
+          # - target: s390x-unknown-linux-musl # tier3
+          # - target: thumbv7neon-unknown-linux-musleabihf # tier3
+          # - target: x86_64-unknown-linux-musl
 
-          # NetBSD
-          - target: aarch64-unknown-netbsd # tier3
-          - target: aarch64_be-unknown-netbsd # tier3
-          - target: armv6-unknown-netbsd-eabihf # tier3
-          - target: armv7-unknown-netbsd-eabihf # tier3
-          - target: i586-unknown-netbsd # tier3
-          - target: i686-unknown-netbsd # tier3
-          - target: mipsel-unknown-netbsd # tier3
-          - target: powerpc-unknown-netbsd # tier3
-          - target: sparc64-unknown-netbsd # tier3
-          - target: x86_64-unknown-netbsd
+          # # NetBSD
+          # - target: aarch64-unknown-netbsd # tier3
+          # - target: aarch64_be-unknown-netbsd # tier3
+          # - target: armv6-unknown-netbsd-eabihf # tier3
+          # - target: armv7-unknown-netbsd-eabihf # tier3
+          # - target: i586-unknown-netbsd # tier3
+          # - target: i686-unknown-netbsd # tier3
+          # - target: mipsel-unknown-netbsd # tier3
+          # - target: powerpc-unknown-netbsd # tier3
+          # - target: sparc64-unknown-netbsd # tier3
+          # - target: x86_64-unknown-netbsd
 
-          # Solaris
-          - target: sparcv9-sun-solaris
-          - target: x86_64-pc-solaris
+          # # Solaris
+          # - target: sparcv9-sun-solaris
+          # - target: x86_64-pc-solaris
 
-          # illumos
-          - target: x86_64-unknown-illumos
+          # # illumos
+          # - target: x86_64-unknown-illumos
 
-          # Windows (MinGW)
-          - target: i686-pc-windows-gnu
-          - target: x86_64-pc-windows-gnu
-          - target: x86_64-pc-windows-gnu
-            host: aarch64
+          # # Windows (MinGW)
+          # - target: i686-pc-windows-gnu
+          # - target: x86_64-pc-windows-gnu
+          # - target: x86_64-pc-windows-gnu
+          #   host: aarch64
 
-          # Misc
-          - target: various
-          - target: various
-            host: aarch64
+          # # Misc
+          # - target: various
+          # - target: various
+          #   host: aarch64
 
     runs-on: ubuntu-latest
     timeout-minutes: 120
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c9c2499..2faf947 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,7 +8,7 @@ on:
   push:
     branches:
       - main
-      - dev
+      # - dev
     tags:
       - '[0-9]+-[0-9]+-[0-9]+'
   schedule:
@@ -24,43 +24,43 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  tidy:
-    uses: taiki-e/github-actions/.github/workflows/tidy.yml@main
+  # tidy:
+  #   uses: taiki-e/github-actions/.github/workflows/tidy.yml@main
 
   build:
-    needs: tidy
+    # needs: tidy
     strategy:
       fail-fast: false
       matrix:
         include:
-          - target: linux-gnu
-          - target: linux-gnu
-            host: aarch64
-          # TODO(linux-musl): https://github.com/rust-lang/rust/pull/107129/
-          # - target: linux-musl
-          #   musl: '1.1'
+          # - target: linux-gnu
+          # - target: linux-gnu
+          #   host: aarch64
+          # # TODO(linux-musl): https://github.com/rust-lang/rust/pull/107129/
+          # # - target: linux-musl
+          # #   musl: '1.1'
           - target: linux-musl
             musl: '1.2'
-          - target: linux-uclibc
-          - target: android
-          - target: freebsd
-          - target: netbsd
-          - target: openbsd
-          - target: dragonfly
-          - target: solaris
-          - target: illumos
-          - target: redox
-          # - target: fuchsia
-          - target: wasi
-          - target: wasi
-            host: aarch64
-          # - target: emscripten # TODO: wasm-ld: error: /tmp/test-emcc/rust/target/wasm32-unknown-emscripten/debug/deps/rust_test.216hq58untngdnb12cddqxyyf.rcgu.o: Invalid symbol type
-          - target: windows-gnu
-          - target: windows-gnu
-            host: aarch64
-          - target: none
-          - target: none
-            host: aarch64
+          # - target: linux-uclibc
+          # - target: android
+          # - target: freebsd
+          # - target: netbsd
+          # - target: openbsd
+          # - target: dragonfly
+          # - target: solaris
+          # - target: illumos
+          # - target: redox
+          # # - target: fuchsia
+          # - target: wasi
+          # - target: wasi
+          #   host: aarch64
+          # # - target: emscripten # TODO: wasm-ld: error: /tmp/test-emcc/rust/target/wasm32-unknown-emscripten/debug/deps/rust_test.216hq58untngdnb12cddqxyyf.rcgu.o: Invalid symbol type
+          # - target: windows-gnu
+          # - target: windows-gnu
+          #   host: aarch64
+          # - target: none
+          # - target: none
+          #   host: aarch64
     runs-on: ubuntu-latest
     timeout-minutes: 150
     permissions:
@@ -79,50 +79,50 @@ jobs:
           HOST_ARCH: ${{ matrix.host }}
           MUSL_VERSION: ${{ matrix.musl }}
 
-  manifest:
-    if: github.repository_owner == 'taiki-e' && github.event_name == 'push' && (github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/tags/'))
-    needs: build
-    runs-on: ubuntu-latest
-    timeout-minutes: 60
-    permissions:
-      contents: read
-      packages: write
-    steps:
-      - uses: taiki-e/checkout-action@v1
-      - run: |
-          echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u "${{ github.actor }}" --password-stdin
-          echo "PUSH_TO_GHCR=1" >>"${GITHUB_ENV}"
-        if: github.repository_owner == 'taiki-e' && (github.event_name == 'push' && (github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/tags/')) || github.event_name == 'workflow_dispatch' || github.event_name == 'schedule')
-      - run: tools/docker-manifest.sh
+  # manifest:
+  #   if: github.repository_owner == 'taiki-e' && github.event_name == 'push' && (github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/tags/'))
+  #   needs: build
+  #   runs-on: ubuntu-latest
+  #   timeout-minutes: 60
+  #   permissions:
+  #     contents: read
+  #     packages: write
+  #   steps:
+  #     - uses: taiki-e/checkout-action@v1
+  #     - run: |
+  #         echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u "${{ github.actor }}" --password-stdin
+  #         echo "PUSH_TO_GHCR=1" >>"${GITHUB_ENV}"
+  #       if: github.repository_owner == 'taiki-e' && (github.event_name == 'push' && (github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/tags/')) || github.event_name == 'workflow_dispatch' || github.event_name == 'schedule')
+  #     - run: tools/docker-manifest.sh
 
-  codegen:
-    runs-on: ubuntu-latest
-    timeout-minutes: 60
-    permissions:
-      contents: read
-      pull-requests: write # for gh pr edit --add-assignee
-      repository-projects: read # for gh pr edit --add-assignee
-    steps:
-      - uses: taiki-e/checkout-action@v1
-      - name: Install Rust
-        run: rustup toolchain add nightly --no-self-update && rustup default nightly
-      - run: tools/gen.sh
-      - id: diff
-        run: tools/ci/gen.sh
-        if: github.repository_owner == 'taiki-e' && (github.event_name == 'schedule' || github.event_name == 'push' && github.ref == 'refs/heads/main')
-      - id: create-pull-request
-        uses: peter-evans/create-pull-request@v7
-        with:
-          title: Update generated code
-          body: |
-            Auto-generated by CI using [create-pull-request](https://github.com/peter-evans/create-pull-request).
-          branch: update-generated-code
-          token: ${{ secrets.CREATE_PR_TOKEN }}
-        if: github.repository_owner == 'taiki-e' && (github.event_name == 'schedule' || github.event_name == 'push' && github.ref == 'refs/heads/main') && steps.diff.outputs.success == 'false'
-      - name: Notify PR author by assigning PR
-        run: gh pr edit --add-assignee taiki-e "${PR_NUMBER:?}"
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          PR_NUMBER: ${{ steps.create-pull-request.outputs.pull-request-number }}
-        if: github.repository_owner == 'taiki-e' && (github.event_name == 'schedule' || github.event_name == 'push' && github.ref == 'refs/heads/main') && steps.diff.outputs.success == 'false'
-      - run: git add -N . && git diff --exit-code
+  # codegen:
+  #   runs-on: ubuntu-latest
+  #   timeout-minutes: 60
+  #   permissions:
+  #     contents: read
+  #     pull-requests: write # for gh pr edit --add-assignee
+  #     repository-projects: read # for gh pr edit --add-assignee
+  #   steps:
+  #     - uses: taiki-e/checkout-action@v1
+  #     - name: Install Rust
+  #       run: rustup toolchain add nightly --no-self-update && rustup default nightly
+  #     - run: tools/gen.sh
+  #     - id: diff
+  #       run: tools/ci/gen.sh
+  #       if: github.repository_owner == 'taiki-e' && (github.event_name == 'schedule' || github.event_name == 'push' && github.ref == 'refs/heads/main')
+  #     - id: create-pull-request
+  #       uses: peter-evans/create-pull-request@v7
+  #       with:
+  #         title: Update generated code
+  #         body: |
+  #           Auto-generated by CI using [create-pull-request](https://github.com/peter-evans/create-pull-request).
+  #         branch: update-generated-code
+  #         token: ${{ secrets.CREATE_PR_TOKEN }}
+  #       if: github.repository_owner == 'taiki-e' && (github.event_name == 'schedule' || github.event_name == 'push' && github.ref == 'refs/heads/main') && steps.diff.outputs.success == 'false'
+  #     - name: Notify PR author by assigning PR
+  #       run: gh pr edit --add-assignee taiki-e "${PR_NUMBER:?}"
+  #       env:
+  #         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+  #         PR_NUMBER: ${{ steps.create-pull-request.outputs.pull-request-number }}
+  #       if: github.repository_owner == 'taiki-e' && (github.event_name == 'schedule' || github.event_name == 'push' && github.ref == 'refs/heads/main') && steps.diff.outputs.success == 'false'
+  #     - run: git add -N . && git diff --exit-code
diff --git a/README.md b/README.md
index 9258f81..a49e00b 100644
--- a/README.md
+++ b/README.md
@@ -81,7 +81,7 @@ See also [setup-cross-toolchain-action](https://github.com/taiki-e/setup-cross-t
 | ---- | --- | ----- | --- | ---- | ---- |
 | musl 1.2.3 [6] | 9.4.0 [1] | [2] | ✓ (libstdc++) [1] | ✓ (qemu) [3] [4] | [5] |
 
-[1] 13.2.0 for risc64gc-unknown-linux-musl, unavailable for hexagon-unknown-linux-musl<br>
+[1] 8.5.0 for powerpc-unknown-linux-muslspe, 13.2.0 for risc64gc-unknown-linux-musl, unavailable for hexagon-unknown-linux-musl<br>
 [2] 17.0.0-rc3 for hexagon-unknown-linux-musl, otherwise host<br>
 [3] hexagon-unknown-linux-musl requires release mode for building test<br>
 [4] Except for riscv32gc-unknown-linux-musl<br>
@@ -108,6 +108,7 @@ See also [setup-cross-toolchain-action](https://github.com/taiki-e/setup-cross-t
 | `mips64el-unknown-linux-muslabi64` (tier3) | x86_64 Linux (any libc) |
 | `mipsel-unknown-linux-musl` (tier3) | x86_64 Linux (any libc) |
 | `powerpc-unknown-linux-musl` (tier3) | x86_64 Linux (any libc) |
+| `powerpc-unknown-linux-muslspe` (tier3) | x86_64 Linux (any libc) |
 | `powerpc64le-unknown-linux-musl` (tier3) | x86_64 Linux (any libc) |
 | `riscv32gc-unknown-linux-musl` (tier3) | x86_64 Linux (any libc) |
 | `riscv64gc-unknown-linux-musl` | x86_64 Linux (any libc) |
diff --git a/docker/base/linux-musl.Dockerfile b/docker/base/linux-musl.Dockerfile
index 712cb32..89f53d6 100644
--- a/docker/base/linux-musl.Dockerfile
+++ b/docker/base/linux-musl.Dockerfile
@@ -11,8 +11,8 @@
 # Use the fork that contains a patch to fix CVE-2020-28928 for musl 1.1 and add some hashes for riscv.
 # https://github.com/taiki-e/musl-cross-make/tree/dev
 ARG MUSL_CROSS_MAKE_REV=060a2763225cbc325cffce7e7e08e62a7df1ad3b
-# Available versions: https://github.com/richfelker/musl-cross-make/tree/HEAD/hashes
-# Default: https://github.com/richfelker/musl-cross-make/blob/HEAD/Makefile
+# Available versions:  https://github.com/taiki-e/musl-cross-make/tree/dev/hashes
+# Default:  https://github.com/taiki-e/musl-cross-make/tree/dev/Makefile
 ARG BINUTILS_VERSION=2.33.1
 ARG GCC_VERSION=9.4.0
 ARG MUSL_VERSION
@@ -55,12 +55,17 @@ ARG LINUX_VERSION
 # https://github.com/richfelker/musl-cross-make/blob/0f22991b8d47837ef8dd60a0c43cf40fcf76217a/config.mak.dist
 # https://conf.musl.cc/plain_20210301_10-2-1.txt
 # See also cc-rs for target flags: https://github.com/rust-lang/cc-rs/blob/1.0.73/src/lib.rs#L1649
+# Use GCC 8 for powerpcspe GCC 9 removed support for this target: https://gcc.gnu.org/gcc-8/changes.html
 # Use binutils 2.40 for riscv because linker error "unknown z ISA extension `zmmul'" with LLVM 19
-# Use gcc 13.2 for riscv because linker error "relocation R_RISCV_JAL against `__udivsi3' which may bind externally can not be used when making a shared object; recompile with -fPIC"
+# Use GCC 13 for riscv because linker error "relocation R_RISCV_JAL against `__udivsi3' which may bind externally can not be used when making a shared object; recompile with -fPIC"
 # Use musl 1.2.5 for riscv32/loongarch64 because support for them has been added in 1.2.5: https://github.com/bminor/musl/commit/01d9fe4d9f7cce7a6dbaece0e2e405a2e3279244 / https://github.com/bminor/musl/commit/522bd54edaa2fa404fd428f8ad0bcb0f0bec5639
 RUN <<EOF
 cc_target=$(</CC_TARGET)
 case "${RUST_TARGET}" in
+    powerpc-*spe)
+        GCC_VERSION=8.5.0
+        gcc_config=' --enable-obsolete'
+        ;;
     riscv*)
         BINUTILS_VERSION=2.40
         GCC_VERSION=13.2.0
@@ -89,7 +94,7 @@ COMMON_CONFIG += --with-debug-prefix-map=\$(CURDIR)=
 GCC_CONFIG += --enable-default-pie --enable-static-pie
 GCC_CONFIG += --enable-languages=c,c++,fortran
 GCC_CONFIG += --disable-libquadmath --disable-libquadmath-support --disable-decimal-float
-GCC_CONFIG += --disable-multilib
+GCC_CONFIG += --disable-multilib${gcc_config:-}
 EOF2
 case "${RUST_TARGET}" in
     arm-*hf) common_config="--with-arch=armv6 --with-fpu=vfp --with-float=hard --with-mode=arm" ;;
@@ -130,6 +135,7 @@ case "${RUST_TARGET}" in
     mips64-*) ldso_arch=mips64 ;;
     mips64el-*) ldso_arch=mips64el ;;
     mipsel-*) ldso_arch=mipsel-sf ;;
+    powerpc-*spe) ldso_arch=powerpc-sf ;;
     powerpc-*) ldso_arch=powerpc ;;
     powerpc64-*) ldso_arch=powerpc64 ;;
     powerpc64le-*) ldso_arch=powerpc64le ;;
diff --git a/docker/test/test.sh b/docker/test/test.sh
index 479c1f7..c6d1efd 100755
--- a/docker/test/test.sh
+++ b/docker/test/test.sh
@@ -989,6 +989,7 @@ case "${RUST_TARGET}" in
                     mips64-*) ldso_arch=mips64 ;;
                     mips64el-*) ldso_arch=mips64el ;;
                     mipsel-*) ldso_arch=mipsel-sf ;;
+                    powerpc-*spe) ldso_arch=powerpc-sf ;;
                     powerpc-*) ldso_arch=powerpc ;;
                     powerpc64-*) ldso_arch=powerpc64 ;;
                     powerpc64le-*) ldso_arch=powerpc64le ;;
diff --git a/tools/target-list-shared.sh b/tools/target-list-shared.sh
index bf0ea3a..e0cd5d3 100644
--- a/tools/target-list-shared.sh
+++ b/tools/target-list-shared.sh
@@ -47,31 +47,31 @@ linux_gnu_targets=(
 )
 # Linux (musl)
 linux_musl_targets=(
-    aarch64-unknown-linux-musl
-    arm-unknown-linux-musleabi
-    arm-unknown-linux-musleabihf
-    armv5te-unknown-linux-musleabi
-    armv7-unknown-linux-musleabi
-    armv7-unknown-linux-musleabihf
-    hexagon-unknown-linux-musl # tier3
-    i586-unknown-linux-musl
-    i686-unknown-linux-musl
-    # loongarch64-unknown-linux-musl # TODO: https://github.com/rust-lang/rust/pull/126298
-    mips-unknown-linux-musl # tier3
-    # mips64-openwrt-linux-musl # tier3, TODO: https://github.com/rust-lang/rust/pull/92300
-    mips64-unknown-linux-muslabi64   # tier3
-    mips64el-unknown-linux-muslabi64 # tier3
-    mipsel-unknown-linux-musl        # tier3
-    powerpc-unknown-linux-musl       # tier3
-    # powerpc-unknown-linux-muslspe # tier3, TODO: https://github.com/rust-lang/rust/blob/842d6fc32e3d0d26bb11fbe6a2f6ae2afccc06cb/src/doc/rustc/src/platform-support/powerpc-unknown-linux-muslspe.md
-    # powerpc64-unknown-linux-musl # tier3, TODO: ABI version 1 is not compatible with ABI version 2 output
-    powerpc64le-unknown-linux-musl # tier3
-    riscv32gc-unknown-linux-musl # tier3
-    riscv64gc-unknown-linux-musl         # tier3
-    s390x-unknown-linux-musl             # tier3
-    thumbv7neon-unknown-linux-musleabihf # tier3
-    # x86_64-unikraft-linux-musl # tier3, TODO
-    x86_64-unknown-linux-musl
+    # aarch64-unknown-linux-musl
+    # arm-unknown-linux-musleabi
+    # arm-unknown-linux-musleabihf
+    # armv5te-unknown-linux-musleabi
+    # armv7-unknown-linux-musleabi
+    # armv7-unknown-linux-musleabihf
+    # hexagon-unknown-linux-musl # tier3
+    # i586-unknown-linux-musl
+    # i686-unknown-linux-musl
+    # # loongarch64-unknown-linux-musl # TODO: https://github.com/rust-lang/rust/pull/126298
+    # mips-unknown-linux-musl # tier3
+    # # mips64-openwrt-linux-musl # tier3, TODO: https://github.com/rust-lang/rust/pull/92300
+    # mips64-unknown-linux-muslabi64   # tier3
+    # mips64el-unknown-linux-muslabi64 # tier3
+    # mipsel-unknown-linux-musl        # tier3
+    # powerpc-unknown-linux-musl       # tier3
+    powerpc-unknown-linux-muslspe # tier3, TODO: https://github.com/rust-lang/rust/blob/842d6fc32e3d0d26bb11fbe6a2f6ae2afccc06cb/src/doc/rustc/src/platform-support/powerpc-unknown-linux-muslspe.md
+    # # powerpc64-unknown-linux-musl # tier3, TODO: ABI version 1 is not compatible with ABI version 2 output
+    # powerpc64le-unknown-linux-musl # tier3
+    # riscv32gc-unknown-linux-musl # tier3
+    # riscv64gc-unknown-linux-musl         # tier3
+    # s390x-unknown-linux-musl             # tier3
+    # thumbv7neon-unknown-linux-musleabihf # tier3
+    # # x86_64-unikraft-linux-musl # tier3, TODO
+    # x86_64-unknown-linux-musl
 )
 # Linux (uClibc)
 linux_uclibc_targets=(