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author | 2021-06-12 03:00:21 +1000 | |
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committer | 2021-06-13 09:38:01 +1000 | |
commit | 73d97b7dc492871d3dcf4ee919fc443dd2308dec (patch) | |
tree | c394cccb9d6514a5b8e69f054d5d27ecc50a5d58 /src/devices/cpu/uml.cpp | |
parent | 27b93b23486533747d9ba185ff54da860223a463 (diff) |
Added helpers for 64-bit count leading zeroes/ones.
Diffstat (limited to 'src/devices/cpu/uml.cpp')
-rw-r--r-- | src/devices/cpu/uml.cpp | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/src/devices/cpu/uml.cpp b/src/devices/cpu/uml.cpp index 8b0c7023f58..6a81d63400e 100644 --- a/src/devices/cpu/uml.cpp +++ b/src/devices/cpu/uml.cpp @@ -631,14 +631,9 @@ void uml::instruction::simplify() if (m_param[1].is_immediate()) { if (m_size == 4) - convert_to_mov_immediate(count_leading_zeros(m_param[1].immediate())); + convert_to_mov_immediate(count_leading_zeros_32(m_param[1].immediate())); else if (m_size == 8) - { - if ((m_param[1].immediate() >> 32) == 0) - convert_to_mov_immediate(32 + count_leading_zeros(m_param[1].immediate())); - else - convert_to_mov_immediate(count_leading_zeros(m_param[1].immediate() >> 32)); - } + convert_to_mov_immediate(count_leading_zeros_64(m_param[1].immediate())); } break; |