cpu: replace specific instructions with WORD in the function get_cpucfg on loong64
The CPUCFG instruction on loong64 was introduced in Go1.24, which caused
compilation errors when using this feature in Go1.23 and earlier versions.
Change-Id: I68891bbfc527194ecdafebac3398e700bfb53c2f
Reviewed-on: https://go-review.googlesource.com/c/sys/+/656915
Reviewed-by: Meidan Li <limeidan@loongson.cn>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Junyang Shao <shaojunyang@google.com>
diff --git a/cpu/cpu_loong64.s b/cpu/cpu_loong64.s
index 30b4c0d..71cbaf1 100644
--- a/cpu/cpu_loong64.s
+++ b/cpu/cpu_loong64.s
@@ -7,6 +7,7 @@
// func get_cpucfg(reg uint32) uint32
TEXT ·get_cpucfg(SB), NOSPLIT|NOFRAME, $0
MOVW reg+0(FP), R5
- CPUCFG R5, R4
+ // CPUCFG R5, R4 = 0x00006ca4
+ WORD $0x00006ca4
MOVW R4, ret+8(FP)
RET
