Commit 960e623b authored by Peter Maydell's avatar Peter Maydell Committed by Aurelien Jarno
Browse files

target-arm: Fix saturated values for Neon right shifts 



Fix value returned by signed 8 and 16 bit qrshl helpers
when the result has saturated.

Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: default avatarAurelien Jarno <aurelien@aurel32.net>
parent 51e3930f

target-arm/neon_helper.c

+4 −1
Original line number Diff line number Diff line
@@ -886,7 +886,10 @@ uint64_t HELPER(neon_qrshl_u64)(CPUState *env, uint64_t val, uint64_t shiftop) 
        dest = src1 << tmp; \

        if ((dest >> tmp) != src1) { \

            SET_QC(); \

            dest = src1 >> 31; \

            dest = (uint32_t)(1 << (sizeof(src1) * 8 - 1)); \

            if (src1 > 0) { \

                dest--; \

            } \

        } \

    }} while (0)

NEON_VOP_ENV(qrshl_s8, neon_s8, 4)