target/arm: Implement MVE shifts by immediate

Implement the MVE shifts by immediate, which perform shifts
on a single general-purpose register.

These patterns overlap with the long-shift-by-immediates,
so we have to rearrange the grouping a little here.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210628135835.6690-18-peter.maydell@linaro.org

1 files changed, 10 insertions, 0 deletions

diff --git a/target/arm/mve_helper.c b/target/arm/mve_helper.c
index bba150c790..5e60e2a9d8 100644
--- a/target/arm/mve_helper.c
+++ b/target/arm/mve_helper.c
@@ -1628,3 +1628,13 @@ uint64_t HELPER(mve_uqrshll48)(CPUARMState *env, uint64_t n, uint32_t shift)
 {
     return do_uqrshl48_d(n, (int8_t)shift, true, &env->QF);
 }
+
+uint32_t HELPER(mve_uqshl)(CPUARMState *env, uint32_t n, uint32_t shift)
+{
+    return do_uqrshl_bhs(n, (int8_t)shift, 32, false, &env->QF);
+}
+
+uint32_t HELPER(mve_sqshl)(CPUARMState *env, uint32_t n, uint32_t shift)
+{
+    return do_sqrshl_bhs(n, (int8_t)shift, 32, false, &env->QF);
+}