target/arm: Improve gen_top_byte_ignore
commit2169b5c6f7a791ef9c43c72412efaafae3245114
authorRichard Henderson <richard.henderson@linaro.org>
Fri, 12 Feb 2021 18:48:52 +0000 (12 10:48 -0800)
committerPeter Maydell <peter.maydell@linaro.org>
Tue, 16 Feb 2021 13:07:42 +0000 (16 13:07 +0000)
tree074ba6801a01dd114e772028a87431c86f28931b
parent0e0c030c681730f3ec55ba3b223b608a8f3e8282
target/arm: Improve gen_top_byte_ignore

Use simple arithmetic instead of a conditional
move when tbi0 != tbi1.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210212184902.1251044-22-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
target/arm/translate-a64.c