v2: use LLVMBuildTrunc()
---
src/amd/common/ac_nir_to_llvm.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index 348ac5bab4..2af4c39e28 100644
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -1917,7 +1917,12 @@ static void visit_alu(struct ac_nir_context *ctx, const
nir_alu_instr *instr)
result = ac_build_intrinsic(&ctx->ac, "llvm.bitreverse.i32",
ctx->ac.i32, src, 1, AC_FUNC_ATTR_READNONE);
break;
case nir_op_bit_count:
- result = ac_build_intrinsic(&ctx->ac, "llvm.ctpop.i32",
ctx->ac.i32, src, 1, AC_FUNC_ATTR_READNONE);
+ if (get_elem_bits(&ctx->ac, LLVMTypeOf(src[0])) == 32)
+ result = ac_build_intrinsic(&ctx->ac, "llvm.ctpop.i32",
ctx->ac.i32, src, 1, AC_FUNC_ATTR_READNONE);
+ else {
+ result = ac_build_intrinsic(&ctx->ac, "llvm.ctpop.i64",
ctx->ac.i64, src, 1, AC_FUNC_ATTR_READNONE);
+ result = LLVMBuildTrunc(ctx->ac.builder, result,
ctx->ac.i32, "");
+ }
break;
case nir_op_vec2:
case nir_op_vec3:
--
2.14.3
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