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target/arm: Remove helper_double_saturate

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Replace x = double_saturate(y) with x = add_saturate(y, y).
There is no need for a separate more specialized helper.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20190807045335.1361-12-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2019-08-15 09:46:45 +01:00 • committed by Peter Maydell
parent 3cb3663715
commit 640581a06d
3 changed files with 2 additions and 18 deletions
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target/arm/helper.h
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@ -6,7 +6,6 @@ DEF_HELPER_3(add_saturate, i32, env, i32, i32)
DEF_HELPER_3(sub_saturate, i32, env, i32, i32)
DEF_HELPER_3(add_usaturate, i32, env, i32, i32)
DEF_HELPER_3(sub_usaturate, i32, env, i32, i32)
DEF_HELPER_2(double_saturate, i32, env, s32)
DEF_HELPER_FLAGS_2(sdiv, TCG_CALL_NO_RWG_SE, s32, s32, s32)
DEF_HELPER_FLAGS_2(udiv, TCG_CALL_NO_RWG_SE, i32, i32, i32)
DEF_HELPER_FLAGS_1(rbit, TCG_CALL_NO_RWG_SE, i32, i32)