Commit 2b8d7e9d authored by Aurelien Jarno's avatar Aurelien Jarno
Browse files

target-i386: SSE4.2: fix pcmpXstrm instructions 



pcmpXstrm instructions returns their result in the XMM0 register and
not in the first operand.

Reviewed-by: default avatarRichard Henderson <rth@twiddle.net>
Signed-off-by: default avatarAurelien Jarno <aurelien@aurel32.net>
parent 93e3c0ae

target-i386/ops_sse.h

+8 −8
Original line number Diff line number Diff line
@@ -2116,16 +2116,16 @@ void glue(helper_pcmpestrm, SUFFIX)(CPUX86State *env, Reg *d, Reg *s, 
    if ((ctrl >> 6) & 1) {

        if (ctrl & 1) {

            for (i = 0; i < 8; i++, res >>= 1) {

                d->W(i) = (res & 1) ? ~0 : 0;

                env->xmm_regs[0].W(i) = (res & 1) ? ~0 : 0;

            }

        } else {

            for (i = 0; i < 16; i++, res >>= 1) {

                d->B(i) = (res & 1) ? ~0 : 0;

                env->xmm_regs[0].B(i) = (res & 1) ? ~0 : 0;

            }

        }

    } else {

        d->Q(1) = 0;

        d->Q(0) = res;

        env->xmm_regs[0].Q(1) = 0;

        env->xmm_regs[0].Q(0) = res;

    }

}
@@ -2154,16 +2154,16 @@ void glue(helper_pcmpistrm, SUFFIX)(CPUX86State *env, Reg *d, Reg *s, 
    if ((ctrl >> 6) & 1) {

        if (ctrl & 1) {

            for (i = 0; i < 8; i++, res >>= 1) {

                d->W(i) = (res & 1) ? ~0 : 0;

                env->xmm_regs[0].W(i) = (res & 1) ? ~0 : 0;

            }

        } else {

            for (i = 0; i < 16; i++, res >>= 1) {

                d->B(i) = (res & 1) ? ~0 : 0;

                env->xmm_regs[0].B(i) = (res & 1) ? ~0 : 0;

            }

        }

    } else {

        d->Q(1) = 0;

        d->Q(0) = res;

        env->xmm_regs[0].Q(1) = 0;

        env->xmm_regs[0].Q(0) = res;

    }

}