v2: fix C++ style comment
Signed-off-by: Rhys Perry <pendingchao...@gmail.com>
---
src/amd/common/ac_llvm_build.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/amd/common/ac_llvm_build.c b/src/amd/common/ac_llvm_build.c
index ec87a7b9343..c986f800fa4 100644
--- a/src/amd/common/ac_llvm_build.c
+++ b/src/amd/common/ac_llvm_build.c
@@ -1531,6 +1531,10 @@ ac_build_imsb(struct ac_llvm_context *ctx,
LLVMValueRef arg,
LLVMTypeRef dst_type)
{
+ /* TODO: support 64-bit integers */
+ if (LLVMTypeOf(arg) != ctx->i32)
+ arg = LLVMBuildSExt(ctx->builder, arg, ctx->i32, "");
+
LLVMValueRef msb = ac_build_intrinsic(ctx, "llvm.amdgcn.sffbh.i32",
dst_type, &arg, 1,
AC_FUNC_ATTR_READNONE);
--
2.20.1
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