diff options
| author | Claudio Fontana <claudio.fontana@linaro.org> | 2013-12-17 19:42:35 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2013-12-17 20:12:51 +0000 |
| commit | 680ead216e666e5cc192fe86adf30563999a5dd8 (patch) | |
| tree | 1035f957eeb4315cf8f448ed6c429670819fdaf7 /target-arm/helper-a64.c | |
| parent | 6c1adc919b6a81e008b919c53902b4877ef4d737 (diff) | |
target-arm: A64: add support for 1-src data processing and CLZ
This patch adds support for decoding 1-src data processing insns,
and the first user, C5.6.40 CLZ (count leading zeroes).
Signed-off-by: Claudio Fontana <claudio.fontana@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target-arm/helper-a64.c')
| -rw-r--r-- | target-arm/helper-a64.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/target-arm/helper-a64.c b/target-arm/helper-a64.c index abb98c00b5..e4c534640e 100644 --- a/target-arm/helper-a64.c +++ b/target-arm/helper-a64.c @@ -44,3 +44,8 @@ int64_t HELPER(sdiv64)(int64_t num, int64_t den) } return num / den; } + +uint64_t HELPER(clz64)(uint64_t x) +{ + return clz64(x); +} |