ac: add 8-bit support to ac_build_bit_count()

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com> Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
2019-04-01 16:18:07 +02:00
parent 869af0464a
commit 89cf8ca0ae
1 changed files with 7 additions and 0 deletions
@@ -2553,6 +2553,13 @@ LLVMValueRef ac_build_bit_count(struct ac_llvm_context *ctx, LLVMValueRef src0)
 					    (LLVMValueRef []) { src0 }, 1,
 					    AC_FUNC_ATTR_READNONE);

+		result = LLVMBuildZExt(ctx->builder, result, ctx->i32, "");
+		break;
+	case 8:
+		result = ac_build_intrinsic(ctx, "llvm.ctpop.i8", ctx->i8,
+					    (LLVMValueRef []) { src0 }, 1,
+					    AC_FUNC_ATTR_READNONE);
+
 		result = LLVMBuildZExt(ctx->builder, result, ctx->i32, "");
 		break;
 	default: