target/microblaze: Mark raise_exception as noreturn

This will allow tcg to remove any dead code that might
follow an exception.

Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

diff --git a/target/microblaze/helper.h b/target/microblaze/helper.h
index 2f8bdea22b0c0e9d14b9aad71e6060165d6ad3db..820711366d4f3fb0f3b05028065829828a6747e1 100644 (file)
--- a/target/microblaze/helper.h
+++ b/target/microblaze/helper.h
@@ -1,4 +1,4 @@
-DEF_HELPER_2(raise_exception, void, env, i32)
+DEF_HELPER_FLAGS_2(raise_exception, TCG_CALL_NO_WG, noreturn, env, i32)
 DEF_HELPER_1(debug, void, env)
 DEF_HELPER_FLAGS_3(carry, TCG_CALL_NO_RWG_SE, i32, i32, i32, i32)
 DEF_HELPER_2(cmp, i32, i32, i32)