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sharc: Use rot[lr]_32 some more

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This commit is contained in:
AJR 2022-11-24 11:31:26 -05:00
parent eb4d32dce5
commit e956623791
1 changed files with 2 additions and 6 deletions
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8
src/devices/cpu/sharc/sharcops.hxx
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@ -892,15 +892,11 @@ void adsp21062_device::COMPUTE(uint32_t opcode)
int shift = REG(ry);
if (shift < 0)
{
int s = (-shift) & 0x1f;
REG(rn) = (((uint32_t)REG(rx) >> s) & ((uint32_t)(0xffffffff) >> s)) |
(((uint32_t)REG(rx) << (32-s)) & ((uint32_t)(0xffffffff) << (32-s)));
REG(rn) = rotr_32(REG(rx), -shift);
}
else
{
int s = shift & 0x1f;
REG(rn) = (((uint32_t)REG(rx) << s) & ((uint32_t)(0xffffffff) << s)) |
(((uint32_t)REG(rx) >> (32-s)) & ((uint32_t)(0xffffffff) >> (32-s)));
REG(rn) = rotl_32(REG(rx), shift);
if (shift > 0)
{
m_core->astat |= SV;