[Target] 64-bit RPi4b target (#6211)

diff --git a/python/tvm/target/target.py b/python/tvm/target/target.py
index 597f8a5..1cde875 100644 (file)
--- a/python/tvm/target/target.py
+++ b/python/tvm/target/target.py
@@ -188,7 +188,10 @@ def arm_cpu(model='unknown', options=None):
         "p20":       ["-model=kirin970", "-mtriple=arm64-linux-android", "-mattr=+neon"],
         "p20pro":    ["-model=kirin970", "-mtriple=arm64-linux-android", "-mattr=+neon"],
         "rasp3b":    ["-model=bcm2837", "-mtriple=armv7l-linux-gnueabihf", "-mattr=+neon"],
-        "rasp4b":    ["-model=bcm2711", "-mtriple=arm-linux-gnueabihf", "-mattr=+neon"],
+        "rasp4b":    ["-model=bcm2711", "-mtriple=armv8l-linux-gnueabihf", "-mattr=+neon",
+                      "-mcpu=cortex-a72"],
+        "rasp4b64":  ["-model=bcm2711", "-mtriple=aarch64-linux-gnu", "-mattr=+neon",
+                      "-mcpu=cortex-a72"],
         "rk3399":    ["-model=rk3399", "-mtriple=aarch64-linux-gnu", "-mattr=+neon"],
         "pynq":      ["-model=pynq", "-mtriple=armv7a-linux-eabi", "-mattr=+neon"],
         "ultra96":   ["-model=ultra96", "-mtriple=aarch64-linux-gnu", "-mattr=+neon"],