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8d7c37e384
The LLVM intrinsics that live under `llvm.x86` are not actual functions, so trying to invoke them as such using the platform's native C calling convention causes incorrect types to be emitted in the IR. Thanks to laytanl for assistance in testing.
20 lines
411 B
Odin
20 lines
411 B
Odin
//+build i386, amd64
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package simd_x86
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@(require_results)
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_rdtsc :: #force_inline proc "c" () -> u64 {
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return rdtsc()
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}
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@(require_results)
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__rdtscp :: #force_inline proc "c" (aux: ^u32) -> u64 {
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return rdtscp(aux)
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}
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@(private, default_calling_convention="none")
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foreign _ {
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@(link_name="llvm.x86.rdtsc")
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rdtsc :: proc() -> u64 ---
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@(link_name="llvm.x86.rdtscp")
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rdtscp :: proc(aux: rawptr) -> u64 ---
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} |