<reg32 offset="0xaa00" name="SP_CS_IBO_COUNT" type="uint"/>
<!-- always 0x5 ? -->
- <reg32 offset="0xab00" name="SP_UNKNOWN_AB00"/>
+ <reg32 offset="0xab00" name="SP_MODE_CONTROL">
+ <!--
+ When set, half register loads from the constant file will
+ load a 32-bit value (so hc0.y loads the same value as c0.y)
+ and implicitly convert it to 16b (f2f16, or u2u16, based on
+ operand type). When unset, half register loads from the
+ constant file will load 16 bits from the packed constant
+ file (so hc0.y loads the top 16 bits of the value of c0.x)
+ -->
+ <bitfield name="CONSTANT_DEMOTION_ENABLE" pos="0" type="boolean"/>
+ </reg32>
<reg32 offset="0xab04" name="SP_FS_CONFIG" type="a6xx_sp_xs_config"/>
<reg32 offset="0xab05" name="SP_FS_INSTRLEN" type="uint"/>