diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2021-06-17 13:16:27 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2021-06-21 17:12:52 +0100 |
| commit | 3e6d6e88d915d0fea1fbbf530801e2aec9df2d0d (patch) | |
| tree | c95e37b1375a866ac7332b4379833437dabba0ca /target/arm/mve_helper.c | |
| parent | 952aaa96b13150a7e655f8b48fea2259cc01fee2 (diff) | |
target/arm: Implement MVE VADDV
Implement the MVE VADDV insn, which performs an addition
across vector lanes.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210617121628.20116-44-peter.maydell@linaro.org
Diffstat (limited to 'target/arm/mve_helper.c')
| -rw-r--r-- | target/arm/mve_helper.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/target/arm/mve_helper.c b/target/arm/mve_helper.c index 9839d3e64a..81534f6166 100644 --- a/target/arm/mve_helper.c +++ b/target/arm/mve_helper.c @@ -1134,3 +1134,27 @@ DO_LDAVH(vrmlaldavhuw, 4, uint32_t, false, int128_add, int128_add, int128_make64 DO_LDAVH(vrmlsldavhsw, 4, int32_t, false, int128_add, int128_sub, int128_makes64) DO_LDAVH(vrmlsldavhxsw, 4, int32_t, true, int128_add, int128_sub, int128_makes64) + +/* Vector add across vector */ +#define DO_VADDV(OP, ESIZE, TYPE) \ + uint32_t HELPER(glue(mve_, OP))(CPUARMState *env, void *vm, \ + uint32_t ra) \ + { \ + uint16_t mask = mve_element_mask(env); \ + unsigned e; \ + TYPE *m = vm; \ + for (e = 0; e < 16 / ESIZE; e++, mask >>= ESIZE) { \ + if (mask & 1) { \ + ra += m[H##ESIZE(e)]; \ + } \ + } \ + mve_advance_vpt(env); \ + return ra; \ + } \ + +DO_VADDV(vaddvsb, 1, uint8_t) +DO_VADDV(vaddvsh, 2, uint16_t) +DO_VADDV(vaddvsw, 4, uint32_t) +DO_VADDV(vaddvub, 1, uint8_t) +DO_VADDV(vaddvuh, 2, uint16_t) +DO_VADDV(vaddvuw, 4, uint32_t) |