aboutsummaryrefslogtreecommitdiff
path: root/target/arm/translate.c
diff options
context:
space:
mode:
authorPeter Maydell <peter.maydell@linaro.org>2020-04-30 19:09:36 +0100
committerPeter Maydell <peter.maydell@linaro.org>2020-05-04 12:57:56 +0100
commit35f5d4d1747558c6af2d914bcd848dcc30c3b531 (patch)
treedf43a47ba0d7b457ab7be5d751822082affefcc3 /target/arm/translate.c
parent7e1b5d615361bb0038cda0e08af41e350e42d081 (diff)
target/arm: Convert V[US]DOT (scalar) to decodetree
Convert the V[US]DOT (scalar) insns in the 2reg-scalar-ext group to decodetree. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20200430181003.21682-10-peter.maydell@linaro.org
Diffstat (limited to 'target/arm/translate.c')
-rw-r--r--target/arm/translate.c13
1 files changed, 1 insertions, 12 deletions
diff --git a/target/arm/translate.c b/target/arm/translate.c
index 4cb8c6d55b..8574d0964f 100644
--- a/target/arm/translate.c
+++ b/target/arm/translate.c
@@ -7049,18 +7049,7 @@ static int disas_neon_insn_2reg_scalar_ext(DisasContext *s, uint32_t insn)
bool is_long = false, q = extract32(insn, 6, 1);
bool ptr_is_env = false;
- if ((insn & 0xffb00f00) == 0xfe200d00) {
- /* V[US]DOT -- 1111 1110 0.10 .... .... 1101 .Q.U .... */
- int u = extract32(insn, 4, 1);
-
- if (!dc_isar_feature(aa32_dp, s)) {
- return 1;
- }
- fn_gvec = u ? gen_helper_gvec_udot_idx_b : gen_helper_gvec_sdot_idx_b;
- /* rm is just Vm, and index is M. */
- data = extract32(insn, 5, 1); /* index */
- rm = extract32(insn, 0, 4);
- } else if ((insn & 0xffa00f10) == 0xfe000810) {
+ if ((insn & 0xffa00f10) == 0xfe000810) {
/* VFM[AS]L -- 1111 1110 0.0S .... .... 1000 .Q.1 .... */
int is_s = extract32(insn, 20, 1);
int vm20 = extract32(insn, 0, 3);