mirrors/Odin
1
0
Fork 0
mirror of https://github.com/odin-lang/Odin.git synced 2026-01-06 13:07:59 +00:00
Code Issues Packages Projects Releases Wiki Activity

switch to read_cycle_counter_frequency from arm64_read_cycle_counter_freq, trap on invalid arch

Browse Source
This commit is contained in:
Colin Davidson
2025-07-29 12:21:46 -07:00
parent c1b3d035e4
commit 9a2e6fff48
6 changed files with 16 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
src/llvm_backend_proc.cpp
View File

@@ -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;
}