diff --git a/cpu-all.h b/cpu-all.h
index 4512518..f7d6867 100644
--- a/cpu-all.h
+++ b/cpu-all.h
@@ -222,8 +222,8 @@
 #else /* !CONFIG_USER_ONLY */
 /* NOTE: we use double casts if pointers and target_ulong have
    different sizes */
-#define saddr(x) (uint8_t *)(long)(x)
-#define laddr(x) (uint8_t *)(long)(x)
+#define saddr(x) (uint8_t *)(intptr_t)(x)
+#define laddr(x) (uint8_t *)(intptr_t)(x)
 #endif
 
 #define ldub_raw(p) ldub_p(laddr((p)))
@@ -299,10 +299,10 @@
 #define TARGET_PAGE_MASK ~(TARGET_PAGE_SIZE - 1)
 #define TARGET_PAGE_ALIGN(addr) (((addr) + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK)
 
-/* ??? These should be the larger of unsigned long and target_ulong.  */
-extern unsigned long qemu_real_host_page_size;
-extern unsigned long qemu_host_page_size;
-extern unsigned long qemu_host_page_mask;
+/* ??? These should be the larger of uintptr_t and target_ulong.  */
+extern uintptr_t qemu_real_host_page_size;
+extern uintptr_t qemu_host_page_size;
+extern uintptr_t qemu_host_page_mask;
 
 #define HOST_PAGE_ALIGN(addr) (((addr) + qemu_host_page_size - 1) & qemu_host_page_mask)
 
diff --git a/cpu-defs.h b/cpu-defs.h
index 88d8093..f49e950 100644
--- a/cpu-defs.h
+++ b/cpu-defs.h
@@ -98,12 +98,12 @@
     target_ulong addr_code;
     /* Addend to virtual address to get host address.  IO accesses
        use the corresponding iotlb value.  */
-    unsigned long addend;
+    uintptr_t addend;
     /* padding to get a power of two size */
-    uint8_t dummy[(1 << CPU_TLB_ENTRY_BITS) - 
-                  (sizeof(target_ulong) * 3 + 
-                   ((-sizeof(target_ulong) * 3) & (sizeof(unsigned long) - 1)) + 
-                   sizeof(unsigned long))];
+    uint8_t dummy[(1 << CPU_TLB_ENTRY_BITS) -
+                  (sizeof(target_ulong) * 3 +
+                   ((-sizeof(target_ulong) * 3) & (sizeof(uintptr_t) - 1)) +
+                   sizeof(uintptr_t))];
 } CPUTLBEntry;
 
 extern int CPUTLBEntry_wrong_size[sizeof(CPUTLBEntry) == (1 << CPU_TLB_ENTRY_BITS) ? 1 : -1];
diff --git a/cpu-exec.c b/cpu-exec.c
index d153f97..0344cd5 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -541,8 +541,8 @@
                     tb_invalidated_flag = 0;
                 }
 #ifdef CONFIG_DEBUG_EXEC
-                qemu_log_mask(CPU_LOG_EXEC, "Trace 0x%08lx [" TARGET_FMT_lx "] %s\n",
-                             (long)tb->tc_ptr, tb->pc,
+                qemu_log_mask(CPU_LOG_EXEC, "Trace %p [" TARGET_FMT_lx "] %s\n",
+                             tb->tc_ptr, tb->pc,
                              lookup_symbol(tb->pc));
 #endif
                 /* see if we can patch the calling TB. When the TB
diff --git a/disas.c b/disas.c
index 4f2c4e4..27071c3 100644
--- a/disas.c
+++ b/disas.c
@@ -268,7 +268,7 @@
 /* Disassemble this for me please... (debugging). */
 void disas(FILE *out, void *code, unsigned long size)
 {
-    unsigned long pc;
+    uintptr_t pc;
     int count;
     struct disassemble_info disasm_info;
     int (*print_insn)(bfd_vma pc, disassemble_info *info);
@@ -276,7 +276,7 @@
     INIT_DISASSEMBLE_INFO(disasm_info, out, fprintf);
 
     disasm_info.buffer = code;
-    disasm_info.buffer_vma = (unsigned long)code;
+    disasm_info.buffer_vma = (uintptr_t)code;
     disasm_info.buffer_length = size;
 
 #ifdef HOST_WORDS_BIGENDIAN
@@ -320,8 +320,8 @@
 	    (long) code);
     return;
 #endif
-    for (pc = (unsigned long)code; size > 0; pc += count, size -= count) {
-	fprintf(out, "0x%08lx:  ", pc);
+    for (pc = (uintptr_t)code; size > 0; pc += count, size -= count) {
+        fprintf(out, "0x%08" PRIxPTR ":  ", pc);
 	count = print_insn(pc, &disasm_info);
 	fprintf(out, "\n");
 	if (count < 0)
diff --git a/exec.c b/exec.c
index 68b8a6a..77d6866 100644
--- a/exec.c
+++ b/exec.c
@@ -93,8 +93,7 @@
 #define code_gen_section                                \
     __attribute__((__section__(".gen_code")))           \
     __attribute__((aligned (32)))
-#elif defined(_WIN32)
-/* Maximum alignment for Win32 is 16. */
+#elif defined(_WIN32) && !defined(_WIN64)
 #define code_gen_section                                \
     __attribute__((aligned (16)))
 #else
@@ -177,9 +176,9 @@
 
 #define V_L1_SHIFT (L1_MAP_ADDR_SPACE_BITS - TARGET_PAGE_BITS - V_L1_BITS)
 
-unsigned long qemu_real_host_page_size;
-unsigned long qemu_host_page_size;
-unsigned long qemu_host_page_mask;
+uintptr_t qemu_real_host_page_size;
+uintptr_t qemu_host_page_size;
+uintptr_t qemu_host_page_mask;
 
 /* This is a multi-level map on the virtual address space.
    The bottom level has pointers to PageDesc.  */
@@ -888,8 +887,8 @@
 
     for(;;) {
         tb1 = *ptb;
-        n1 = (long)tb1 & 3;
-        tb1 = (TranslationBlock *)((long)tb1 & ~3);
+        n1 = (uintptr_t)tb1 & 3;
+        tb1 = (TranslationBlock *)((uintptr_t)tb1 & ~3);
         if (tb1 == tb) {
             *ptb = tb1->page_next[n1];
             break;
@@ -909,8 +908,8 @@
         /* find tb(n) in circular list */
         for(;;) {
             tb1 = *ptb;
-            n1 = (long)tb1 & 3;
-            tb1 = (TranslationBlock *)((long)tb1 & ~3);
+            n1 = (uintptr_t)tb1 & 3;
+            tb1 = (TranslationBlock *)((uintptr_t)tb1 & ~3);
             if (n1 == n && tb1 == tb)
                 break;
             if (n1 == 2) {
@@ -930,7 +929,7 @@
    another TB */
 static inline void tb_reset_jump(TranslationBlock *tb, int n)
 {
-    tb_set_jmp_target(tb, n, (unsigned long)(tb->tc_ptr + tb->tb_next_offset[n]));
+    tb_set_jmp_target(tb, n, (uintptr_t)(tb->tc_ptr + tb->tb_next_offset[n]));
 }
 
 void tb_phys_invalidate(TranslationBlock *tb, tb_page_addr_t page_addr)
@@ -975,16 +974,16 @@
     /* suppress any remaining jumps to this TB */
     tb1 = tb->jmp_first;
     for(;;) {
-        n1 = (long)tb1 & 3;
+        n1 = (uintptr_t)tb1 & 3;
         if (n1 == 2)
             break;
-        tb1 = (TranslationBlock *)((long)tb1 & ~3);
+        tb1 = (TranslationBlock *)((uintptr_t)tb1 & ~3);
         tb2 = tb1->jmp_next[n1];
         tb_reset_jump(tb1, n1);
         tb1->jmp_next[n1] = NULL;
         tb1 = tb2;
     }
-    tb->jmp_first = (TranslationBlock *)((long)tb | 2); /* fail safe */
+    tb->jmp_first = (TranslationBlock *)((uintptr_t)tb | 2); /* fail safe */
 
     tb_phys_invalidate_count++;
 }
@@ -1025,8 +1024,8 @@
 
     tb = p->first_tb;
     while (tb != NULL) {
-        n = (long)tb & 3;
-        tb = (TranslationBlock *)((long)tb & ~3);
+        n = (uintptr_t)tb & 3;
+        tb = (TranslationBlock *)((uintptr_t)tb & ~3);
         /* NOTE: this is subtle as a TB may span two physical pages */
         if (n == 0) {
             /* NOTE: tb_end may be after the end of the page, but
@@ -1070,7 +1069,8 @@
     tb->flags = flags;
     tb->cflags = cflags;
     cpu_gen_code(env, tb, &code_gen_size);
-    code_gen_ptr = (void *)(((unsigned long)code_gen_ptr + code_gen_size + CODE_GEN_ALIGN - 1) & ~(CODE_GEN_ALIGN - 1));
+    code_gen_ptr = (void *)(((uintptr_t)code_gen_ptr + code_gen_size +
+                             CODE_GEN_ALIGN - 1) & ~(CODE_GEN_ALIGN - 1));
 
     /* check next page if needed */
     virt_page2 = (pc + tb->size - 1) & TARGET_PAGE_MASK;
@@ -1118,8 +1118,8 @@
     /* XXX: see if in some cases it could be faster to invalidate all the code */
     tb = p->first_tb;
     while (tb != NULL) {
-        n = (long)tb & 3;
-        tb = (TranslationBlock *)((long)tb & ~3);
+        n = (uintptr_t)tb & 3;
+        tb = (TranslationBlock *)((uintptr_t)tb & ~3);
         tb_next = tb->page_next[n];
         /* NOTE: this is subtle as a TB may span two physical pages */
         if (n == 0) {
@@ -1202,7 +1202,8 @@
         qemu_log("modifying code at 0x%x size=%d EIP=%x PC=%08x\n",
                   cpu_single_env->mem_io_vaddr, len,
                   cpu_single_env->eip,
-                  cpu_single_env->eip + (long)cpu_single_env->segs[R_CS].base);
+                  cpu_single_env->eip +
+                  (intptr_t)cpu_single_env->segs[R_CS].base);
     }
 #endif
     p = page_find(start >> TARGET_PAGE_BITS);
@@ -1246,8 +1247,8 @@
     }
 #endif
     while (tb != NULL) {
-        n = (long)tb & 3;
-        tb = (TranslationBlock *)((long)tb & ~3);
+        n = (uintptr_t)tb & 3;
+        tb = (TranslationBlock *)((uintptr_t)tb & ~3);
 #ifdef TARGET_HAS_PRECISE_SMC
         if (current_tb == tb &&
             (current_tb->cflags & CF_COUNT_MASK) != 1) {
@@ -1295,7 +1296,7 @@
 #ifndef CONFIG_USER_ONLY
     page_already_protected = p->first_tb != NULL;
 #endif
-    p->first_tb = (TranslationBlock *)((long)tb | n);
+    p->first_tb = (TranslationBlock *)((uintptr_t)tb | n);
     invalidate_page_bitmap(p);
 
 #if defined(TARGET_HAS_SMC) || 1
@@ -1362,7 +1363,7 @@
     else
         tb->page_addr[1] = -1;
 
-    tb->jmp_first = (TranslationBlock *)((long)tb | 2);
+    tb->jmp_first = (TranslationBlock *)((uintptr_t)tb | 2);
     tb->jmp_next[0] = NULL;
     tb->jmp_next[1] = NULL;
 
@@ -1383,21 +1384,22 @@
 TranslationBlock *tb_find_pc(uintptr_t tc_ptr)
 {
     int m_min, m_max, m;
-    unsigned long v;
+    uintptr_t v;
     TranslationBlock *tb;
 
     if (nb_tbs <= 0)
         return NULL;
-    if (tc_ptr < (unsigned long)code_gen_buffer ||
-        tc_ptr >= (unsigned long)code_gen_ptr)
+    if (tc_ptr < (uintptr_t)code_gen_buffer ||
+        tc_ptr >= (uintptr_t)code_gen_ptr) {
         return NULL;
+    }
     /* binary search (cf Knuth) */
     m_min = 0;
     m_max = nb_tbs - 1;
     while (m_min <= m_max) {
         m = (m_min + m_max) >> 1;
         tb = &tbs[m];
-        v = (unsigned long)tb->tc_ptr;
+        v = (uintptr_t)tb->tc_ptr;
         if (v == tc_ptr)
             return tb;
         else if (tc_ptr < v) {
@@ -1420,8 +1422,8 @@
     if (tb1 != NULL) {
         /* find head of list */
         for(;;) {
-            n1 = (long)tb1 & 3;
-            tb1 = (TranslationBlock *)((long)tb1 & ~3);
+            n1 = (uintptr_t)tb1 & 3;
+            tb1 = (TranslationBlock *)((uintptr_t)tb1 & ~3);
             if (n1 == 2)
                 break;
             tb1 = tb1->jmp_next[n1];
@@ -1433,8 +1435,8 @@
         ptb = &tb_next->jmp_first;
         for(;;) {
             tb1 = *ptb;
-            n1 = (long)tb1 & 3;
-            tb1 = (TranslationBlock *)((long)tb1 & ~3);
+            n1 = (uintptr_t)tb1 & 3;
+            tb1 = (TranslationBlock *)((uintptr_t)tb1 & ~3);
             if (n1 == n && tb1 == tb)
                 break;
             ptb = &tb1->jmp_next[n1];
@@ -2041,9 +2043,9 @@
 }
 
 static inline void tlb_reset_dirty_range(CPUTLBEntry *tlb_entry,
-                                         unsigned long start, unsigned long length)
+                                         uintptr_t start, uintptr_t length)
 {
-    unsigned long addr;
+    uintptr_t addr;
     if (tlb_is_dirty_ram(tlb_entry)) {
         addr = (tlb_entry->addr_write & TARGET_PAGE_MASK) + tlb_entry->addend;
         if ((addr - start) < length) {
@@ -2057,7 +2059,7 @@
                                      int dirty_flags)
 {
     CPUArchState *env;
-    unsigned long length, start1;
+    uintptr_t length, start1;
     int i;
 
     start &= TARGET_PAGE_MASK;
@@ -2070,10 +2072,10 @@
 
     /* we modify the TLB cache so that the dirty bit will be set again
        when accessing the range */
-    start1 = (unsigned long)qemu_safe_ram_ptr(start);
+    start1 = (uintptr_t)qemu_safe_ram_ptr(start);
     /* Check that we don't span multiple blocks - this breaks the
        address comparisons below.  */
-    if ((unsigned long)qemu_safe_ram_ptr(end - 1) - start1
+    if ((uintptr_t)qemu_safe_ram_ptr(end - 1) - start1
             != (end - 1) - start) {
         abort();
     }
@@ -2101,7 +2103,7 @@
     void *p;
 
     if (tlb_is_dirty_ram(tlb_entry)) {
-        p = (void *)(unsigned long)((tlb_entry->addr_write & TARGET_PAGE_MASK)
+        p = (void *)(uintptr_t)((tlb_entry->addr_write & TARGET_PAGE_MASK)
             + tlb_entry->addend);
         ram_addr = qemu_ram_addr_from_host_nofail(p);
         if (!cpu_physical_memory_is_dirty(ram_addr)) {
@@ -2191,7 +2193,7 @@
     unsigned int index;
     target_ulong address;
     target_ulong code_address;
-    unsigned long addend;
+    uintptr_t addend;
     CPUTLBEntry *te;
     CPUWatchpoint *wp;
     target_phys_addr_t iotlb;
@@ -2213,7 +2215,7 @@
         address |= TLB_MMIO;
     }
     if (is_ram_rom_romd(section)) {
-        addend = (unsigned long)memory_region_get_ram_ptr(section->mr)
+        addend = (uintptr_t)memory_region_get_ram_ptr(section->mr)
                                  + section_addr(section, paddr);
     } else {
         addend = 0;
@@ -2303,7 +2305,7 @@
 {
     walk_memory_regions_fn fn;
     void *priv;
-    unsigned long start;
+    uintptr_t start;
     int prot;
 };
 
@@ -2364,7 +2366,7 @@
 int walk_memory_regions(void *priv, walk_memory_regions_fn fn)
 {
     struct walk_memory_regions_data data;
-    unsigned long i;
+    uintptr_t i;
 
     data.fn = fn;
     data.priv = priv;
@@ -2552,7 +2554,7 @@
 }
 
 static inline void tlb_set_dirty(CPUArchState *env,
-                                 unsigned long addr, target_ulong vaddr)
+                                 uintptr_t addr, target_ulong vaddr)
 {
 }
 #endif /* defined(CONFIG_USER_ONLY) */
diff --git a/main-loop.c b/main-loop.c
index 1ebdc4b..4887c73 100644
--- a/main-loop.c
+++ b/main-loop.c
@@ -430,7 +430,7 @@
     g_assert(n_poll_fds <= ARRAY_SIZE(poll_fds));
 
     for (i = 0; i < w->num; i++) {
-        poll_fds[n_poll_fds + i].fd = (DWORD) w->events[i];
+        poll_fds[n_poll_fds + i].fd = (DWORD_PTR)w->events[i];
         poll_fds[n_poll_fds + i].events = G_IO_IN;
     }
 
diff --git a/nbd.c b/nbd.c
index 567e94e..406e555 100644
--- a/nbd.c
+++ b/nbd.c
@@ -813,7 +813,7 @@
             LOG("From: %" PRIu64 ", Len: %u, Size: %" PRIu64
             ", Offset: %" PRIu64 "\n",
                     request.from, request.len,
-                    (uint64_t)exp->size, exp->dev_offset);
+                    (uint64_t)exp->size, (uint64_t)exp->dev_offset);
         LOG("requested operation past EOF--bad client?");
         goto invalid_request;
     }
diff --git a/qemu-os-win32.h b/qemu-os-win32.h
index 8eda4bd..753679b 100644
--- a/qemu-os-win32.h
+++ b/qemu-os-win32.h
@@ -30,6 +30,41 @@
 #include <winsock2.h>
 #include "main-loop.h"
 
+/* Workaround for older versions of MinGW. */
+#ifndef ECONNREFUSED
+# define ECONNREFUSED WSAECONNREFUSED
+#endif
+#ifndef EINPROGRESS
+# define EINPROGRESS  WSAEINPROGRESS
+#endif
+#ifndef EHOSTUNREACH
+# define EHOSTUNREACH WSAEHOSTUNREACH
+#endif
+#ifndef EINTR
+# define EINTR        WSAEINTR
+#endif
+#ifndef EINPROGRESS
+# define EINPROGRESS  WSAEINPROGRESS
+#endif
+#ifndef ENETUNREACH
+# define ENETUNREACH  WSAENETUNREACH
+#endif
+#ifndef ENOTCONN
+# define ENOTCONN     WSAENOTCONN
+#endif
+#ifndef EWOULDBLOCK
+# define EWOULDBLOCK  WSAEWOULDBLOCK
+#endif
+
+#if defined(_WIN64)
+/* On w64, setjmp is implemented by _setjmp which needs a second parameter.
+ * If this parameter is NULL, longjump does no stack unwinding.
+ * That is what we need for QEMU. Passing the value of register rsp (default)
+ * lets longjmp try a stack unwinding which will crash with generated code. */
+# undef setjmp
+# define setjmp(env) _setjmp(env, NULL)
+#endif
+
 /* Declaration of ffs() is missing in MinGW's strings.h. */
 int ffs(int i);
 
diff --git a/qemu_socket.h b/qemu_socket.h
index 51ad210..a5d0a84 100644
--- a/qemu_socket.h
+++ b/qemu_socket.h
@@ -8,12 +8,6 @@
 #include <ws2tcpip.h>
 
 #define socket_error() WSAGetLastError()
-#undef EWOULDBLOCK
-#undef EINTR
-#undef EINPROGRESS
-#define EWOULDBLOCK WSAEWOULDBLOCK
-#define EINTR       WSAEINTR
-#define EINPROGRESS WSAEINPROGRESS
 
 int inet_aton(const char *cp, struct in_addr *ia);
 
diff --git a/savevm.c b/savevm.c
index 12fb209..2d18bab 100644
--- a/savevm.c
+++ b/savevm.c
@@ -2106,7 +2106,8 @@
         }
     } else {
 #ifdef _WIN32
-        ptm = localtime(&tb.time);
+        time_t t = tb.time;
+        ptm = localtime(&t);
         strftime(sn->name, sizeof(sn->name), "vm-%Y%m%d%H%M%S", ptm);
 #else
         /* cast below needed for OpenBSD where tv_sec is still 'long' */
diff --git a/slirp/slirp.h b/slirp/slirp.h
index 46bfe46..f2c5eca 100644
--- a/slirp/slirp.h
+++ b/slirp/slirp.h
@@ -15,18 +15,6 @@
 # include <sys/timeb.h>
 # include <iphlpapi.h>
 
-# undef EWOULDBLOCK
-# undef EINPROGRESS
-# undef ENOTCONN
-# undef EHOSTUNREACH
-# undef ENETUNREACH
-# undef ECONNREFUSED
-# define EWOULDBLOCK WSAEWOULDBLOCK
-# define EINPROGRESS WSAEINPROGRESS
-# define ENOTCONN WSAENOTCONN
-# define EHOSTUNREACH WSAEHOSTUNREACH
-# define ENETUNREACH WSAENETUNREACH
-# define ECONNREFUSED WSAECONNREFUSED
 #else
 # define ioctlsocket ioctl
 # define closesocket(s) close(s)
diff --git a/softmmu_header.h b/softmmu_header.h
index 6b72093..cf1aa38 100644
--- a/softmmu_header.h
+++ b/softmmu_header.h
@@ -99,7 +99,6 @@
     int page_index;
     RES_TYPE res;
     target_ulong addr;
-    unsigned long physaddr;
     int mmu_idx;
 
     addr = ptr;
@@ -111,8 +110,8 @@
                                                                      addr,
                                                                      mmu_idx);
     } else {
-        physaddr = addr + env->tlb_table[mmu_idx][page_index].addend;
-        res = glue(glue(ld, USUFFIX), _raw)((uint8_t *)physaddr);
+        uintptr_t hostaddr = addr + env->tlb_table[mmu_idx][page_index].addend;
+        res = glue(glue(ld, USUFFIX), _raw)(hostaddr);
     }
     return res;
 }
@@ -124,7 +123,6 @@
 {
     int res, page_index;
     target_ulong addr;
-    unsigned long physaddr;
     int mmu_idx;
 
     addr = ptr;
@@ -135,8 +133,8 @@
         res = (DATA_STYPE)glue(glue(glue(HELPER_PREFIX, ld), SUFFIX),
                                MMUSUFFIX)(ENV_VAR addr, mmu_idx);
     } else {
-        physaddr = addr + env->tlb_table[mmu_idx][page_index].addend;
-        res = glue(glue(lds, SUFFIX), _raw)((uint8_t *)physaddr);
+        uintptr_t hostaddr = addr + env->tlb_table[mmu_idx][page_index].addend;
+        res = glue(glue(lds, SUFFIX), _raw)(hostaddr);
     }
     return res;
 }
@@ -152,7 +150,6 @@
 {
     int page_index;
     target_ulong addr;
-    unsigned long physaddr;
     int mmu_idx;
 
     addr = ptr;
@@ -163,8 +160,8 @@
         glue(glue(glue(HELPER_PREFIX, st), SUFFIX), MMUSUFFIX)(ENV_VAR addr, v,
                                                                mmu_idx);
     } else {
-        physaddr = addr + env->tlb_table[mmu_idx][page_index].addend;
-        glue(glue(st, SUFFIX), _raw)((uint8_t *)physaddr, v);
+        uintptr_t hostaddr = addr + env->tlb_table[mmu_idx][page_index].addend;
+        glue(glue(st, SUFFIX), _raw)(hostaddr, v);
     }
 }
 
diff --git a/softmmu_template.h b/softmmu_template.h
index b285d78..b8bd700 100644
--- a/softmmu_template.h
+++ b/softmmu_template.h
@@ -112,7 +112,6 @@
     int index;
     target_ulong tlb_addr;
     target_phys_addr_t ioaddr;
-    unsigned long addend;
     uintptr_t retaddr;
 
     /* test if there is match for unaligned or IO access */
@@ -139,6 +138,7 @@
                                                          mmu_idx, retaddr);
         } else {
             /* unaligned/aligned access in the same page */
+            uintptr_t addend;
 #ifdef ALIGNED_ONLY
             if ((addr & (DATA_SIZE - 1)) != 0) {
                 retaddr = GETPC();
@@ -146,7 +146,8 @@
             }
 #endif
             addend = env->tlb_table[mmu_idx][index].addend;
-            res = glue(glue(ld, USUFFIX), _raw)((uint8_t *)(long)(addr+addend));
+            res = glue(glue(ld, USUFFIX), _raw)((uint8_t *)(intptr_t)
+                                                (addr + addend));
         }
     } else {
         /* the page is not in the TLB : fill it */
@@ -171,7 +172,6 @@
     DATA_TYPE res, res1, res2;
     int index, shift;
     target_phys_addr_t ioaddr;
-    unsigned long addend;
     target_ulong tlb_addr, addr1, addr2;
 
     index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
@@ -202,8 +202,9 @@
             res = (DATA_TYPE)res;
         } else {
             /* unaligned/aligned access in the same page */
-            addend = env->tlb_table[mmu_idx][index].addend;
-            res = glue(glue(ld, USUFFIX), _raw)((uint8_t *)(long)(addr+addend));
+            uintptr_t addend = env->tlb_table[mmu_idx][index].addend;
+            res = glue(glue(ld, USUFFIX), _raw)((uint8_t *)(intptr_t)
+                                                (addr + addend));
         }
     } else {
         /* the page is not in the TLB : fill it */
@@ -258,7 +259,6 @@
                                                             int mmu_idx)
 {
     target_phys_addr_t ioaddr;
-    unsigned long addend;
     target_ulong tlb_addr;
     uintptr_t retaddr;
     int index;
@@ -284,6 +284,7 @@
                                                    mmu_idx, retaddr);
         } else {
             /* aligned/unaligned access in the same page */
+            uintptr_t addend;
 #ifdef ALIGNED_ONLY
             if ((addr & (DATA_SIZE - 1)) != 0) {
                 retaddr = GETPC();
@@ -291,7 +292,8 @@
             }
 #endif
             addend = env->tlb_table[mmu_idx][index].addend;
-            glue(glue(st, SUFFIX), _raw)((uint8_t *)(long)(addr+addend), val);
+            glue(glue(st, SUFFIX), _raw)((uint8_t *)(intptr_t)
+                                         (addr + addend), val);
         }
     } else {
         /* the page is not in the TLB : fill it */
@@ -313,7 +315,6 @@
                                                    uintptr_t retaddr)
 {
     target_phys_addr_t ioaddr;
-    unsigned long addend;
     target_ulong tlb_addr;
     int index, i;
 
@@ -345,8 +346,9 @@
             }
         } else {
             /* aligned/unaligned access in the same page */
-            addend = env->tlb_table[mmu_idx][index].addend;
-            glue(glue(st, SUFFIX), _raw)((uint8_t *)(long)(addr+addend), val);
+            uintptr_t addend = env->tlb_table[mmu_idx][index].addend;
+            glue(glue(st, SUFFIX), _raw)((uint8_t *)(intptr_t)
+                                         (addr + addend), val);
         }
     } else {
         /* the page is not in the TLB : fill it */
diff --git a/target-mips/op_helper.c b/target-mips/op_helper.c
index bca1d70..5627447 100644
--- a/target-mips/op_helper.c
+++ b/target-mips/op_helper.c
@@ -2275,7 +2275,7 @@
         break;
     case 158:
         {
-            unsigned char *fmt = (void *)(unsigned long)env->active_tc.gpr[4];
+            unsigned char *fmt = (void *)(uintptr_t)env->active_tc.gpr[4];
             printf("%s", fmt);
         }
         break;
diff --git a/tcg/i386/tcg-target.c b/tcg/i386/tcg-target.c
index 871a7e7..da17bba 100644
--- a/tcg/i386/tcg-target.c
+++ b/tcg/i386/tcg-target.c
@@ -63,10 +63,15 @@
 
 static const int tcg_target_call_iarg_regs[] = {
 #if TCG_TARGET_REG_BITS == 64
+#if defined(_WIN64)
+    TCG_REG_RCX,
+    TCG_REG_RDX,
+#else
     TCG_REG_RDI,
     TCG_REG_RSI,
     TCG_REG_RDX,
     TCG_REG_RCX,
+#endif
     TCG_REG_R8,
     TCG_REG_R9,
 #else
@@ -176,10 +181,10 @@
         ct->ct |= TCG_CT_REG;
         if (TCG_TARGET_REG_BITS == 64) {
             tcg_regset_set32(ct->u.regs, 0, 0xffff);
-            tcg_regset_reset_reg(ct->u.regs, TCG_REG_RSI);
-            tcg_regset_reset_reg(ct->u.regs, TCG_REG_RDI);
+            tcg_regset_reset_reg(ct->u.regs, tcg_target_call_iarg_regs[0]);
+            tcg_regset_reset_reg(ct->u.regs, tcg_target_call_iarg_regs[1]);
 #ifdef CONFIG_TCG_PASS_AREG0
-            tcg_regset_reset_reg(ct->u.regs, TCG_REG_RDX);
+            tcg_regset_reset_reg(ct->u.regs, tcg_target_call_iarg_regs[2]);
 #endif
         } else {
             tcg_regset_set32(ct->u.regs, 0, 0xff);
@@ -1300,9 +1305,12 @@
                use the ADDR32 prefix.  For now, do nothing.  */
 
             if (offset != GUEST_BASE) {
-                tcg_out_movi(s, TCG_TYPE_I64, TCG_REG_RDI, GUEST_BASE);
-                tgen_arithr(s, ARITH_ADD + P_REXW, TCG_REG_RDI, base);
-                base = TCG_REG_RDI, offset = 0;
+                tcg_out_movi(s, TCG_TYPE_I64,
+                             tcg_target_call_iarg_regs[0], GUEST_BASE);
+                tgen_arithr(s, ARITH_ADD + P_REXW,
+                            tcg_target_call_iarg_regs[0], base);
+                base = tcg_target_call_iarg_regs[0];
+                offset = 0;
             }
         }
 
@@ -1434,8 +1442,8 @@
 #endif
 #else
     tcg_out_mov(s, (opc == 3 ? TCG_TYPE_I64 : TCG_TYPE_I32),
-                TCG_REG_RSI, data_reg);
-    tcg_out_movi(s, TCG_TYPE_I32, TCG_REG_RDX, mem_index);
+                tcg_target_call_iarg_regs[1], data_reg);
+    tcg_out_movi(s, TCG_TYPE_I32, tcg_target_call_iarg_regs[2], mem_index);
     stack_adjust = 0;
 #ifdef CONFIG_TCG_PASS_AREG0
     /* XXX/FIXME: suboptimal */
@@ -1474,9 +1482,12 @@
                use the ADDR32 prefix.  For now, do nothing.  */
 
             if (offset != GUEST_BASE) {
-                tcg_out_movi(s, TCG_TYPE_I64, TCG_REG_RDI, GUEST_BASE);
-                tgen_arithr(s, ARITH_ADD + P_REXW, TCG_REG_RDI, base);
-                base = TCG_REG_RDI, offset = 0;
+                tcg_out_movi(s, TCG_TYPE_I64,
+                             tcg_target_call_iarg_regs[0], GUEST_BASE);
+                tgen_arithr(s, ARITH_ADD + P_REXW,
+                            tcg_target_call_iarg_regs[0], base);
+                base = tcg_target_call_iarg_regs[0];
+                offset = 0;
             }
         }
 
@@ -1977,6 +1988,10 @@
 #if TCG_TARGET_REG_BITS == 64
     TCG_REG_RBP,
     TCG_REG_RBX,
+#if defined(_WIN64)
+    TCG_REG_RDI,
+    TCG_REG_RSI,
+#endif
     TCG_REG_R12,
     TCG_REG_R13,
     TCG_REG_R14, /* Currently used for the global env. */
@@ -2064,8 +2079,10 @@
     tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_EDX);
     tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_ECX);
     if (TCG_TARGET_REG_BITS == 64) {
+#if !defined(_WIN64)
         tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_RDI);
         tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_RSI);
+#endif
         tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R8);
         tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R9);
         tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R10);
@@ -2102,7 +2119,9 @@
     DebugFrameFDE fde;
 } DebugFrame;
 
-#if TCG_TARGET_REG_BITS == 64
+#if !defined(__ELF__)
+    /* Host machine without ELF. */
+#elif TCG_TARGET_REG_BITS == 64
 #define ELF_HOST_MACHINE EM_X86_64
 static DebugFrame debug_frame = {
     .cie.len = sizeof(DebugFrameCIE)-4, /* length after .len member */
@@ -2156,6 +2175,7 @@
 };
 #endif
 
+#if defined(ELF_HOST_MACHINE)
 void tcg_register_jit(void *buf, size_t buf_size)
 {
     /* We're expecting a 2 byte uleb128 encoded value.  */
@@ -2166,3 +2186,4 @@
 
     tcg_register_jit_int(buf, buf_size, &debug_frame, sizeof(debug_frame));
 }
+#endif