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.
---
src/intel/compiler/brw_eu_defines.h | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/src/intel/compiler/brw_eu_defines.h
b/src/intel/compiler/brw_eu_defines.h
index ee306a6c2ce..565cba3d838 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)
--
2.16.1
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