This lets you easily build integer immediates of arbitrary bit size.
---
src/compiler/nir/nir_builder.h | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/src/compiler/nir/nir_builder.h b/src/compiler/nir/nir_builder.h
index 4bd5628..36e0ae3 100644
--- a/src/compiler/nir/nir_builder.h
+++ b/src/compiler/nir/nir_builder.h
@@ -264,6 +264,18 @@ nir_imm_int64(nir_builder *build, int64_t x)
}
static inline nir_ssa_def *
+nir_imm_intN_t(nir_builder *build, uint64_t x, unsigned bit_size)
+{
+ nir_const_value v;
+
+ memset(&v, 0, sizeof(v));
+ assert(bit_size <= 64);
+ v.i64[0] = x & (~0ull >> (64 - bit_size));
+
+ return nir_build_imm(build, 1, bit_size, v);
+}
+
+static inline nir_ssa_def *
nir_imm_ivec4(nir_builder *build, int x, int y, int z, int w)
{
nir_const_value v;
--
2.5.0.400.gff86faf
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