diff options
| author | Francisco Jerez <[email protected]> | 2018-06-25 12:06:50 -0700 |
|---|---|---|
| committer | Francisco Jerez <[email protected]> | 2018-07-09 23:46:57 -0700 |
| commit | 20b962232b71c8f5931ddb585386725804dbd4e0 (patch) | |
| tree | d50a1aefc9a90b380f7a7572795c88eff7ceacc0 | |
| parent | d0f589a55b51242f80c299187511db7f1b041712 (diff) | |
intel/eu: Define SET_BITS helper more easily reusable than SET_FIELD.
Allows to specify a bitfield based on its upper and lower bounds
instead of a symbolic field definition, kind of what the current
GET_BITS macro is to GET_FIELD.
Reviewed-by: Kenneth Graunke <[email protected]>
| -rw-r--r-- | src/intel/compiler/brw_eu_defines.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/intel/compiler/brw_eu_defines.h b/src/intel/compiler/brw_eu_defines.h index f6d771d1534..fb8caa60715 100644 --- a/src/intel/compiler/brw_eu_defines.h +++ b/src/intel/compiler/brw_eu_defines.h @@ -46,6 +46,13 @@ fieldval & field ## _MASK; \ }) +#define SET_BITS(value, high, low) \ + ({ \ + const uint32_t fieldval = (value) << (low); \ + assert((fieldval & ~INTEL_MASK(high, low)) == 0); \ + fieldval & INTEL_MASK(high, low); \ + }) + #define GET_BITS(data, high, low) ((data & INTEL_MASK((high), (low))) >> (low)) #define GET_FIELD(word, field) (((word) & field ## _MASK) >> field ## _SHIFT) |