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| author | Richard Henderson <richard.henderson@linaro.org> | 2021-05-24 18:02:41 -0700 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2021-05-25 16:01:43 +0100 |
| commit | 4269fef1f901927dd2c56deea6c45da8e8c5170e (patch) | |
| tree | 51f27052cf0a70f56d4df6f0a0d4440596021436 /target/arm/sve_helper.c | |
| parent | e3a561318327417523693f94e99745516f690eb7 (diff) | |
| download | qemu-4269fef1f901927dd2c56deea6c45da8e8c5170e.zip qemu-4269fef1f901927dd2c56deea6c45da8e8c5170e.tar.gz qemu-4269fef1f901927dd2c56deea6c45da8e8c5170e.tar.bz2 | |
target/arm: Implement SVE2 bitwise shift left long
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210525010358.152808-16-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm/sve_helper.c')
| -rw-r--r-- | target/arm/sve_helper.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c index cfd1a7c..79b268c 100644 --- a/target/arm/sve_helper.c +++ b/target/arm/sve_helper.c @@ -1226,6 +1226,28 @@ DO_ZZZ_WTB(sve2_usubw_d, uint64_t, uint32_t, , H1_4, DO_SUB) #undef DO_ZZZ_WTB +#define DO_ZZI_SHLL(NAME, TYPEW, TYPEN, HW, HN) \ +void HELPER(NAME)(void *vd, void *vn, uint32_t desc) \ +{ \ + intptr_t i, opr_sz = simd_oprsz(desc); \ + intptr_t sel = (simd_data(desc) & 1) * sizeof(TYPEN); \ + int shift = simd_data(desc) >> 1; \ + for (i = 0; i < opr_sz; i += sizeof(TYPEW)) { \ + TYPEW nn = *(TYPEN *)(vn + HN(i + sel)); \ + *(TYPEW *)(vd + HW(i)) = nn << shift; \ + } \ +} + +DO_ZZI_SHLL(sve2_sshll_h, int16_t, int8_t, H1_2, H1) +DO_ZZI_SHLL(sve2_sshll_s, int32_t, int16_t, H1_4, H1_2) +DO_ZZI_SHLL(sve2_sshll_d, int64_t, int32_t, , H1_4) + +DO_ZZI_SHLL(sve2_ushll_h, uint16_t, uint8_t, H1_2, H1) +DO_ZZI_SHLL(sve2_ushll_s, uint32_t, uint16_t, H1_4, H1_2) +DO_ZZI_SHLL(sve2_ushll_d, uint64_t, uint32_t, , H1_4) + +#undef DO_ZZI_SHLL + /* Two-operand reduction expander, controlled by a predicate. * The difference between TYPERED and TYPERET has to do with * sign-extension. E.g. for SMAX, TYPERED must be signed, |