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target-arm: Fix VQSHL of signed 64 bit values

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Add a missing '-' which meant that we were misinterpreting the shift
argument for VQSHL of 64 bit signed values and treating almost every
shift value as if it were an extremely large right shift.

Signed-off-by: Juha Riihimäki <juha.riihimaki@nokia.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Juha Riihimäki 2010-12-07 14:13:42 +00:00 committed by Aurelien Jarno
parent def126ce37
commit 4c9b70aeca
1 changed files with 1 additions and 1 deletions
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2
target-arm/neon_helper.c
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@ -610,7 +610,7 @@ uint64_t HELPER(neon_qshl_s64)(CPUState *env, uint64_t valop, uint64_t shiftop)
SET_QC();
val = (val >> 63) & ~SIGNBIT64;
}
} else if (shift <= 64) {
} else if (shift <= -64) {
val >>= 63;
} else if (shift < 0) {
val >>= -shift;