Add ARMV8 SVE test using ArmIE

.travis.yml

@@ -283,6 +283,33 @@ matrix:
       script:
         - travis_wait 45 make && make lapack-test
         
+    - &test-armv8sve
+      os: linux
+      arch: arm64-graviton2
+      dist: bionic
+      group: edge
+      virt: lxd
+      compiler: gcc
+      addons:
+        apt:
+          packages:
+            - gcc-11
+            - gfortran-11
+            - wget
+      script:
+        - wget https://developer.arm.com/-/media/Files/downloads/hpc/arm-instruction-emulator/21-0/ARM-Instruction-Emulator_21.0_AArch64_Ubuntu-18.04_aarch64.tar.gz?revision=f2d90a6c-15c5-42b3-81aa-464f30efc954
+        - tar zxvf ARM-Instruction-Emulator_21.0_AArch64_Ubuntu-18.04_aarch64.tar.gz
+        - cd ARM-Instruction-Emulator_21.0_aarch64_Ubuntu-18.04_aarch64
+        - sudo ./arm-instruction-emulator-21.0*_aarch64-linux-rpm.sh -a
+        - cd ..
+        - ls /opt/arm
+        - export PATH=/opt/arm/arm-instruction-emulator-21.0_aarch64_Ubuntu-18.04_aarch64-linux/bin64:$PATH
+        - travis_wait 45 make TARGET=A64FX CROSS=1 CC=gcc-11 FC=gfortran-11 HOSTCC=gcc-11
+        - armie test/sblat1
+        - armie test/dblat1
+        - armie test/cblat1
+        - armie test/zblat1
+        - armie test/dblat3 <test/dblat3.dat
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