From 8693a045bbba40c5614ff5912137540c91e61cb0 Mon Sep 17 00:00:00 2001
From: gingerBill <gingerBill@users.noreply.github.com>
Date: Fri, 12 May 2023 11:50:49 +0100
Subject: Revert "Change `intrinsics.read_cycle_counter` on ARM64"

This reverts commit b567679eb6cf3fd1820a6163c1f17d620d88894f.
---
 src/llvm_backend_proc.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/llvm_backend_proc.cpp')

diff --git a/src/llvm_backend_proc.cpp b/src/llvm_backend_proc.cpp
index 89eab74b4..ddf058668 100644
--- a/src/llvm_backend_proc.cpp
+++ b/src/llvm_backend_proc.cpp
@@ -2112,7 +2112,7 @@ gb_internal lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValu
 			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 x0, PMCCNTR_EL0"), str_lit("=r"), has_side_effects);
+				LLVMValueRef the_asm = llvm_get_inline_asm(func_type, str_lit("mrs x9, cntvct_el0"), str_lit("=r"), has_side_effects);
 				GB_ASSERT(the_asm != nullptr);
 				res.value = LLVMBuildCall2(p->builder, func_type, the_asm, nullptr, 0, "");
 			} else {
-- 
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