switch to read_cycle_counter_frequency from arm64_read_cycle_counter_freq, trap on invalid arch

1 files changed, 10 insertions, 6 deletions

diff --git a/src/llvm_backend_proc.cpp b/src/llvm_backend_proc.cpp
index 3f5819b43..5e38e6bdc 100644
--- a/src/llvm_backend_proc.cpp
+++ b/src/llvm_backend_proc.cpp
@@ -2809,16 +2809,20 @@ gb_internal lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValu
 			}
 			return res;
 		}
-	case BuiltinProc_arm64_read_cycle_counter_frequency:
+	case BuiltinProc_read_cycle_counter_frequency:
 		{
 			lbValue res = {};
 			res.type = tv.type;
 
-			LLVMTypeRef func_type = LLVMFunctionType(LLVMInt64TypeInContext(p->module->ctx), nullptr, 0, false);
-			bool has_side_effects = false;
-			LLVMValueRef the_asm = llvm_get_inline_asm(func_type, str_lit("mrs $0, cntfrq_el0"), str_lit("=r"), has_side_effects);
-			GB_ASSERT(the_asm != nullptr);
-			res.value = LLVMBuildCall2(p->builder, func_type, the_asm, nullptr, 0, "");
+			if (build_context.metrics.arch == TargetArch_arm64) {
+				LLVMTypeRef func_type = LLVMFunctionType(LLVMInt64TypeInContext(p->module->ctx), nullptr, 0, false);
+				bool has_side_effects = false;
+				LLVMValueRef the_asm = llvm_get_inline_asm(func_type, str_lit("mrs $0, cntfrq_el0"), str_lit("=r"), has_side_effects);
+				GB_ASSERT(the_asm != nullptr);
+				res.value = LLVMBuildCall2(p->builder, func_type, the_asm, nullptr, 0, "");
+			} else {
+				GB_PANIC("Unsupported architecture: %.*s", LIT(target_arch_names[build_context.metrics.arch]));
+			}
 
 			return res;
 		}