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authorJuha Riihimäki <juha.riihimaki@nokia.com>2011-04-11 16:26:23 +0100
committerAurelien Jarno <aurelien@aurel32.net>2011-04-12 23:33:33 +0200
commit133da6aae1edc0118fbac8cd9ba46dff69ddd5c9 (patch)
tree981d0f49b547a3e8595c6ba2867968eb2f6e3a18
parent56907d776e1133bf4f633e4e542267d23d2c09cf (diff)
target-arm: Handle UNDEF cases for VDUP (scalar)
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>
-rw-r--r--target-arm/translate.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/target-arm/translate.c b/target-arm/translate.c
index be25c8f33a..6190028d08 100644
--- a/target-arm/translate.c
+++ b/target-arm/translate.c
@@ -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 {