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target-arm: Handle UNDEF cases for VDUP (scalar)

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Handle the UNDEF cases for VDUP(scalar):
 imm4 == x000
 Q == 1 && Vd<0> == 1

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 2011-04-11 16:26:23 +01:00 committed by Aurelien Jarno
parent 56907d776e
commit 133da6aae1
1 changed files with 3 additions and 0 deletions
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3
target-arm/translate.c
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@ -6057,6 +6057,9 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn)
tcg_temp_free_i32(tmp);
} else if ((insn & 0x380) == 0) {
/* VDUP */
if ((insn & (7 << 16)) == 0 || (q && (rd & 1))) {
return 1;
}
if (insn & (1 << 19)) {
tmp = neon_load_reg(rm, 1);
} else {