In the AdvSIMD scalar x indexed element and vector x indexed element
encoding group, the SDOT and UDOT instructions are vector only,
and their opcode is unallocated in the scalar group. Correctly
UNDEF this unallocated encoding.
Reported-by: Laurent Desnogues <laurent.desnog...@gmail.com>
Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
---
target/arm/translate-a64.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c
index 474d9bfb5f0..30bc2412fc0 100644
--- a/target/arm/translate-a64.c
+++ b/target/arm/translate-a64.c
@@ -12641,7 +12641,7 @@ static void disas_simd_indexed(DisasContext *s,
uint32_t insn)
break;
case 0x0e: /* SDOT */
case 0x1e: /* UDOT */
- if (size != MO_32 || !dc_isar_feature(aa64_dp, s)) {
+ if (is_scalar || size != MO_32 || !dc_isar_feature(aa64_dp, s)) {
unallocated_encoding(s);
return;
}
--
2.20.1
