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Change intrinsics.read_cycle_counter on ARM64

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gingerBill committed 2023-05-12 11:34:01 +01:00
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commit b567679eb6
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src/llvm_backend_proc.cpp
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@@ -2112,7 +2112,7 @@ gb_internal lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValu
if (build_context.metrics.arch == TargetArch_arm64) { if (build_context.metrics.arch == TargetArch_arm64) {
LLVMTypeRef func_type = LLVMFunctionType(LLVMInt64TypeInContext(p->module->ctx), nullptr, 0, false); LLVMTypeRef func_type = LLVMFunctionType(LLVMInt64TypeInContext(p->module->ctx), nullptr, 0, false);
bool has_side_effects = false; bool has_side_effects = false;
LLVMValueRef the_asm = llvm_get_inline_asm(func_type, str_lit("mrs x9, cntvct_el0"), str_lit("=r"), has_side_effects); LLVMValueRef the_asm = llvm_get_inline_asm(func_type, str_lit("mrs x0, PMCCNTR_EL0"), str_lit("=r"), has_side_effects);
GB_ASSERT(the_asm != nullptr); GB_ASSERT(the_asm != nullptr);
res.value = LLVMBuildCall2(p->builder, func_type, the_asm, nullptr, 0, ""); res.value = LLVMBuildCall2(p->builder, func_type, the_asm, nullptr, 0, "");
} else { } else {