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Add intrinsics.prefetch_* procedures

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gingerBill committed 2021-09-11 17:30:44 +01:00
1 parent c51c002ffa
commit 7260d3cecb
5 files changed
+105 -11
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core/hash/xxhash/common.odin
+7 -10
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@@ -47,22 +47,19 @@ Error :: enum {
XXH_DISABLE_PREFETCH :: #config(XXH_DISABLE_PREFETCH, false)
/*
llvm.prefetch fails code generation on Linux.
*/
when !XXH_DISABLE_PREFETCH && ODIN_OS == "windows" {
import "core:sys/llvm"
when !XXH_DISABLE_PREFETCH {
prefetch_address :: #force_inline proc(address: rawptr) {
llvm.prefetch(address, .Read, .High, .Data)
intrinsics.prefetch_read_data(address, /*high*/3)
}
prefetch_offset :: #force_inline proc(address: rawptr, auto_cast offset: uintptr) {
prefetch_offset :: #force_inline proc(address: rawptr, #any_int offset: uintptr) {
ptr := rawptr(uintptr(address) + offset)
prefetch_address(ptr)
}
} else {
prefetch_address :: #force_inline proc(address: rawptr) {}
prefetch_offset :: #force_inline proc(address: rawptr, auto_cast offset: uintptr) {}
prefetch_address :: #force_inline proc(address: rawptr) {
}
prefetch_offset :: #force_inline proc(address: rawptr, #any_int offset: uintptr) {
}
}
prefetch :: proc { prefetch_address, prefetch_offset, }