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m68k: fix floatx80_mod() (Coverity CID1390568)

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Update the variable checked by the loop condition (expDiff).
Backport the update from Previous.

Fixes: 591596b77a ("target/m68k: add fmod/frem")
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-Id: <20180508203937.16796-1-laurent@vivier.eu>
This commit is contained in:
Laurent Vivier 2018-05-08 22:39:37 +02:00
parent 7a9180b77e
commit 5a73e7f313
1 changed files with 1 additions and 0 deletions
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target/m68k/softfloat.c
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@ -103,6 +103,7 @@ floatx80 floatx80_mod(floatx80 a, floatx80 b, float_status *status)
mul64To128(bSig, qTemp, &term0, &term1);
sub128(aSig0, aSig1, term0, term1, &aSig0, &aSig1);
shortShift128Left(aSig0, aSig1, 62, &aSig0, &aSig1);
expDiff -= 62;
}
expDiff += 64;
if (0 < expDiff) {