tci: GETPC() macro must return an uintptr_t

Change the data type of tci_tb_ptr, so GETPC() returns an
uintptr_t now (like for all other TCG targets).

This completes commit 2050396801
and fixes builds with TCI.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

exec-all.h

@@ -283,7 +283,7 @@ extern int tb_invalidated_flag;
 /* Alpha and SH4 user mode emulations and Softmmu call GETPC().
    For all others, GETPC remains undefined (which makes TCI a little faster. */
 # if defined(CONFIG_SOFTMMU) || defined(TARGET_ALPHA) || defined(TARGET_SH4)
-extern void *tci_tb_ptr;
+extern uintptr_t tci_tb_ptr;
 #  define GETPC() tci_tb_ptr
 # endif
 #elif defined(__s390__) && !defined(__s390x__)

tci.c

@@ -58,7 +58,7 @@ CPUArchState *env;
 /* Targets which don't use GETPC also don't need tci_tb_ptr
    which makes them a little faster. */
 #if defined(GETPC)
-void *tci_tb_ptr;
+uintptr_t tci_tb_ptr;
 #endif
 
 static tcg_target_ulong tci_reg[TCG_TARGET_NB_REGS];
@@ -450,7 +450,7 @@ tcg_target_ulong tcg_qemu_tb_exec(CPUArchState *cpustate, uint8_t *tb_ptr)
 
     for (;;) {
 #if defined(GETPC)
-        tci_tb_ptr = tb_ptr;
+        tci_tb_ptr = (uintptr_t)tb_ptr;
 #endif
         TCGOpcode opc = tb_ptr[0];
 #if !defined(NDEBUG)