try another MIPS cpu

Author: gnzlbg

ci/docker/mips64-unknown-linux-gnuabi64/Dockerfile

@@ -6,6 +6,6 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
         qemu-system-mips64 file make
 
 ENV CARGO_TARGET_MIPS64_UNKNOWN_LINUX_GNUABI64_LINKER=mips64-linux-gnuabi64-gcc \
-    CARGO_TARGET_MIPS64_UNKNOWN_LINUX_GNUABI64_RUNNER="qemu-mips64 -L /usr/mips64-linux-gnuabi64" \
+    CARGO_TARGET_MIPS64_UNKNOWN_LINUX_GNUABI64_RUNNER="qemu-mips64 -cpu I6400 -L /usr/mips64-linux-gnuabi64" \
     CC_mips64_unknown_linux_gnuabi64=mips64-linux-gnuabi64-gcc \
     OBJDUMP=mips64-linux-gnuabi64-objdump

ci/docker/mips64el-unknown-linux-gnuabi64/Dockerfile

@@ -6,6 +6,6 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
         qemu-system-mips64el file make
 
 ENV CARGO_TARGET_MIPS64EL_UNKNOWN_LINUX_GNUABI64_LINKER=mips64el-linux-gnuabi64-gcc \
-    CARGO_TARGET_MIPS64EL_UNKNOWN_LINUX_GNUABI64_RUNNER="qemu-mips64el -L /usr/mips64el-linux-gnuabi64" \
+    CARGO_TARGET_MIPS64EL_UNKNOWN_LINUX_GNUABI64_RUNNER="qemu-mips64el -cpu I6400 -L /usr/mips64el-linux-gnuabi64" \
     CC_mips64el_unknown_linux_gnuabi64=mips64el-linux-gnuabi64-gcc \
     OBJDUMP=mips64el-linux-gnuabi64-objdump

ci/run.sh

@@ -13,6 +13,9 @@ case ${TARGET} in
     aarch*)
         export RUSTFLAGS="${RUSTFLAGS} -C target-feature=+neon"
         ;;
+    mips64*)
+        export RUSTFLAGS="${RUSTFLAGS} -C target-cpu=mips64r6"
+        ;;
     *)
         ;;
 esac