diff --git a/internal/pause/pause_loong64.s b/internal/pause/pause_loong64.s
index e800a4b..27d842d 100644
--- a/internal/pause/pause_loong64.s
+++ b/internal/pause/pause_loong64.s
@@ -13,9 +13,9 @@ TEXT ·pause1(SB), NOSPLIT|NOFRAME, $0-0
 
 // func pauseN(cycles int)
 TEXT ·pauseN(SB), NOSPLIT|NOFRAME, $0-8
-    MOVV cycles+0(FP), R0
+    MOVV cycles+0(FP), R4
 loop:
     OR    R0, R0, R0
-    ADDV  $-1, R0, R0
-    BNE   R0, loop
+    ADDV  $-1, R4, R4
+    BNE   R4, loop
     RET
diff --git a/internal/pause/pause_riscv64.s b/internal/pause/pause_riscv64.s
index 1011f8a..d0440a1 100644
--- a/internal/pause/pause_riscv64.s
+++ b/internal/pause/pause_riscv64.s
@@ -6,16 +6,18 @@
 
 #include "textflag.h"
 
+#define PAUSE WORD $0x0100000F // Zihintpause
+
 // func pause1()
 TEXT ·pause1(SB), NOSPLIT|NOFRAME, $0-0
-    FENCE
+    PAUSE
     RET
 
 // func pauseN(cycles int)
 TEXT ·pauseN(SB), NOSPLIT|NOFRAME, $0-8
     MOV  cycles+0(FP), X10
 loop:
-    FENCE
-    ADDI $-1, X10, X10     // X10 = X10 - 1
+    PAUSE
+    ADDI $-1, X10, X10
     BNEZ X10, loop
     RET