diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2021-06-28 14:58:31 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2021-07-02 11:48:37 +0100 |
| commit | d43ebd9dc8a268195dcc8219ced96f9e3bdc4050 (patch) | |
| tree | e7ed4370dfd3b6d0ab5afc5e2a7bb003969621a6 /target/arm/mve_helper.c | |
| parent | 2e6a4ce0f61d4be3d85a5a9e75d1fb39faa23664 (diff) | |
target/arm: Implement MVE VADDLV
Implement the MVE VADDLV insn; this is similar to VADDV, except
that it accumulates 32-bit elements into a 64-bit accumulator
stored in a pair of general-purpose registers.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210628135835.6690-15-peter.maydell@linaro.org
Diffstat (limited to 'target/arm/mve_helper.c')
| -rw-r--r-- | target/arm/mve_helper.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/target/arm/mve_helper.c b/target/arm/mve_helper.c index 9d4a07c1c0..37af94bd9e 100644 --- a/target/arm/mve_helper.c +++ b/target/arm/mve_helper.c @@ -1189,6 +1189,25 @@ DO_VADDV(vaddvub, 1, uint8_t) DO_VADDV(vaddvuh, 2, uint16_t) DO_VADDV(vaddvuw, 4, uint32_t) +#define DO_VADDLV(OP, TYPE, LTYPE) \ + uint64_t HELPER(glue(mve_, OP))(CPUARMState *env, void *vm, \ + uint64_t ra) \ + { \ + uint16_t mask = mve_element_mask(env); \ + unsigned e; \ + TYPE *m = vm; \ + for (e = 0; e < 16 / 4; e++, mask >>= 4) { \ + if (mask & 1) { \ + ra += (LTYPE)m[H4(e)]; \ + } \ + } \ + mve_advance_vpt(env); \ + return ra; \ + } \ + +DO_VADDLV(vaddlv_s, int32_t, int64_t) +DO_VADDLV(vaddlv_u, uint32_t, uint64_t) + /* Shifts by immediate */ #define DO_2SHIFT(OP, ESIZE, TYPE, FN) \ void HELPER(glue(mve_, OP))(CPUARMState *env, void *vd, \ |