feat(asm): encode indirect JMP and CALL on all four architectures

Assisted-by: GLM 5.3 Flash

verify/abi_loong64.s

@@ -39,7 +39,7 @@ TEXT ·enterJITChecked(SB), NOSPLIT, $0-16
 	MOVV 0(R5), R1 // load leaveJITCheckedRaw into RA
 	MOVV R5, R3 // SP stays on the leave slot: the kernel
 	// reads its first argument at SP+8
-	JIRL R0, R4, 0 // jump to JIT function
+	JMP  (R4) // jump to JIT function
 
 	// leaveJITCheckedRaw is the raw return trampoline.  It has NO Go function
 	// declaration, so no ABIInternal wrapper is generated; the JIT function's
@@ -61,6 +61,6 @@ g_ok:
 	MOVV savedRA(SB), R1 // restore return address
 	MOVV savedG(SB), g // restore g: Go code needs it the moment it
 	// resumes, violation or not
-	JIRL R0, R1, 0 // return to Go caller
+	JMP  (R1) // return to Go caller
 
 GLOBL savedG(SB), NOPTR, $8