Add PowerPC64 to CI

Author: sayantn

.github/workflows/main.yml

@@ -76,6 +76,8 @@ jobs:
           os: ubuntu-latest
         - tuple: powerpc-unknown-linux-gnu
           os: ubuntu-latest
+        - tuple: powerpc64-unknown-linux-gnu
+          os: ubuntu-latest
         - tuple: powerpc64le-unknown-linux-gnu
           os: ubuntu-latest
         # MIPS targets disabled since they are dropped to tier 3.
@@ -161,6 +163,10 @@ jobs:
             tuple: powerpc-unknown-linux-gnu
             os: ubuntu-latest
           disable_assert_instr: true
+        - target:
+            tuple: powerpc64-unknown-linux-gnu
+            os: ubuntu-latest
+          disable_assert_instr: true
         - target:
             tuple: powerpc64le-unknown-linux-gnu
             os: ubuntu-latest

ci/run.sh

@@ -82,6 +82,10 @@ cargo_test() {
         wasm32*)
             cmd="$cmd --nocapture"
             ;;
+        # qemu has an erratic behavior on those tests
+        powerpc64*)
+            cmd="$cmd --skip test_vec_lde_u16 --skip test_vec_lde_u32"
+            ;;
     esac
 
     if [ "$SKIP_TESTS" != "" ]; then