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target-arm: fix unsigned 64 bit right shifts.

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Fix range of shift amounts which always give 0 as result.

Signed-off-by: Christophe Lyon <christophe.lyon@st.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Christophe Lyon 2011-02-15 13:44:44 +00:00 committed by Aurelien Jarno
parent b6c63b9891
commit 51e3930fc7
1 changed files with 1 additions and 1 deletions
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2
target-arm/neon_helper.c
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@ -639,7 +639,7 @@ uint32_t HELPER(neon_rshl_u32)(uint32_t val, uint32_t shiftop)
uint64_t HELPER(neon_rshl_u64)(uint64_t val, uint64_t shiftop)
{
int8_t shift = (uint8_t)shiftop;
if (shift >= 64 || shift < 64) {
if (shift >= 64 || shift < -64) {
val = 0;
} else if (shift == -64) {
/* Rounding a 1-bit result just preserves that bit. */