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target/arm: Fix typo in do_sat_addsub_64 

Used the wrong temporary in the computation of subtractive overflow.

Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Message-id: 20180801123111.3595-3-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
(cherry picked from commit 7a31e0c6c6)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
stable-3.0
Richard Henderson 2018-08-14 17:17:22 +01:00 committed by Michael Roth
parent 58c4b085ee
commit f7ddde210a
1 changed files with 1 additions and 1 deletions
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target/arm/translate-sve.c
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@ -1625,7 +1625,7 @@ static void do_sat_addsub_64(TCGv_i64 reg, TCGv_i64 val, bool u, bool d)
/* Detect signed overflow for subtraction. */
tcg_gen_xor_i64(t0, reg, val);
tcg_gen_sub_i64(t1, reg, val);
tcg_gen_xor_i64(reg, reg, t0);
tcg_gen_xor_i64(reg, reg, t1);
tcg_gen_and_i64(t0, t0, reg);
/* Bound the result. */