[Pcre-svn] [1182] code/trunk/sljit: JIT compiler update.

Startseite
Nachricht löschen
Autor: Subversion repository
Datum:  
To: pcre-svn
Betreff: [Pcre-svn] [1182] code/trunk/sljit: JIT compiler update.
Revision: 1182
          http://vcs.pcre.org/viewvc?view=rev&revision=1182
Author:   zherczeg
Date:     2012-10-28 05:22:32 +0000 (Sun, 28 Oct 2012)


Log Message:
-----------
JIT compiler update.

Modified Paths:
--------------
    code/trunk/sljit/sljitConfigInternal.h
    code/trunk/sljit/sljitExecAllocator.c
    code/trunk/sljit/sljitLir.c
    code/trunk/sljit/sljitLir.h
    code/trunk/sljit/sljitNativeARM_Thumb2.c
    code/trunk/sljit/sljitNativeARM_v5.c
    code/trunk/sljit/sljitNativeMIPS_32.c
    code/trunk/sljit/sljitNativeMIPS_common.c
    code/trunk/sljit/sljitNativePPC_32.c
    code/trunk/sljit/sljitNativePPC_64.c
    code/trunk/sljit/sljitNativePPC_common.c
    code/trunk/sljit/sljitNativeSPARC_32.c
    code/trunk/sljit/sljitNativeSPARC_common.c
    code/trunk/sljit/sljitNativeX86_common.c
    code/trunk/sljit/sljitUtils.c


Modified: code/trunk/sljit/sljitConfigInternal.h
===================================================================
--- code/trunk/sljit/sljitConfigInternal.h    2012-10-27 18:04:36 UTC (rev 1181)
+++ code/trunk/sljit/sljitConfigInternal.h    2012-10-28 05:22:32 UTC (rev 1182)
@@ -34,7 +34,7 @@
    SLJIT_32BIT_ARCHITECTURE : 32 bit architecture
    SLJIT_64BIT_ARCHITECTURE : 64 bit architecture
    SLJIT_WORD_SHIFT : the shift required to apply when accessing a sljit_w/sljit_uw array by index
-   SLJIT_FLOAT_SHIFT : the shift required to apply when accessing a double array by index
+   SLJIT_DOUBLE_SHIFT : the shift required to apply when accessing a double array by index
    SLJIT_LITTLE_ENDIAN : little endian architecture
    SLJIT_BIG_ENDIAN : big endian architecture
    SLJIT_UNALIGNED : allows unaligned memory accesses for non-fpu operations (only!)
@@ -45,7 +45,10 @@
    sljit_b, sljit_ub : signed and unsigned 8 bit byte
    sljit_h, sljit_uh : signed and unsigned 16 bit half-word (short) type
    sljit_i, sljit_ui : signed and unsigned 32 bit integer type
-   sljit_w, sljit_uw : signed and unsigned machine word, enough to store a pointer (same as intptr_t)
+   sljit_w, sljit_uw : signed and unsigned machine word, enough to store a pointer
+   sljit_p           : unsgined pointer value (usually the same as sljit_uw, but
+                       some 64 bit ABIs may use 32 bit pointers)
+   sljit_d           : double precision floating point value
    SLJIT_CALL : C calling convention define for both calling JIT form C and C callbacks for JIT
    SLJIT_W(number) : defining 64 bit constants on 64 bit architectures (compiler independent helper)
 */
@@ -272,9 +275,15 @@
 #endif
 #endif


-/* Double precision. */
-#define SLJIT_FLOAT_SHIFT 3
+typedef sljit_uw sljit_p;
+typedef double sljit_d;

+/* Shift for pointer sized data. */
+#define SLJIT_POINTER_SHIFT SLJIT_WORD_SHIFT
+
+/* Shift for double precision sized data. */
+#define SLJIT_DOUBLE_SHIFT 3
+
#ifndef SLJIT_W

/* Defining long constants. */

Modified: code/trunk/sljit/sljitExecAllocator.c
===================================================================
--- code/trunk/sljit/sljitExecAllocator.c    2012-10-27 18:04:36 UTC (rev 1181)
+++ code/trunk/sljit/sljitExecAllocator.c    2012-10-28 05:22:32 UTC (rev 1182)
@@ -52,7 +52,7 @@
    The unused blocks are stored in a chain list pointed by free_blocks. This
    list is useful if we need to find a suitable memory area when the allocator
    is called.
- 
+
    When a block is freed, the new free block is connected to its adjacent free
    blocks if possible.


@@ -83,7 +83,7 @@

 static SLJIT_INLINE void* alloc_chunk(sljit_uw size)
 {
-    return VirtualAlloc(0, size, MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE);
+    return VirtualAlloc(NULL, size, MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE);
 }


static SLJIT_INLINE void free_chunk(void* chunk, sljit_uw size)
@@ -94,11 +94,20 @@

#else

-#include <sys/mman.h>
-
 static SLJIT_INLINE void* alloc_chunk(sljit_uw size)
 {
-    void* retval = mmap(0, size, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANON, -1, 0);
+    void* retval;
+
+#ifdef MAP_ANON
+    retval = mmap(0, size, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANON, -1, 0);
+#else
+    if (dev_zero < 0) {
+        if (open_dev_zero())
+            return NULL;
+    }
+    retval = mmap(0, size, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE, dev_zero, 0);
+#endif
+
     return (retval != MAP_FAILED) ? retval : NULL;
 }



Modified: code/trunk/sljit/sljitLir.c
===================================================================
--- code/trunk/sljit/sljitLir.c    2012-10-27 18:04:36 UTC (rev 1181)
+++ code/trunk/sljit/sljitLir.c    2012-10-28 05:22:32 UTC (rev 1182)
@@ -280,7 +280,9 @@
         sizeof(sljit_b) == 1 && sizeof(sljit_ub) == 1
         && sizeof(sljit_h) == 2 && sizeof(sljit_uh) == 2
         && sizeof(sljit_i) == 4 && sizeof(sljit_ui) == 4
-        && ((sizeof(sljit_w) == 4 && sizeof(sljit_uw) == 4) || (sizeof(sljit_w) == 8 && sizeof(sljit_uw) == 8)),
+        && (sizeof(sljit_p) == 4 || sizeof(sljit_p) == 8)
+        && (sizeof(sljit_w) == 4 || sizeof(sljit_w) == 8)
+        && (sizeof(sljit_uw) == 4 || sizeof(sljit_uw) == 8),
         invalid_integer_types);


     /* Only the non-zero members must be set. */
@@ -609,10 +611,10 @@
         SLJIT_ASSERT_STOP();


 #define FUNCTION_CHECK_OP1() \
-    if (GET_OPCODE(op) >= SLJIT_MOV && GET_OPCODE(op) <= SLJIT_MOVU_SI) { \
+    if (GET_OPCODE(op) >= SLJIT_MOV && GET_OPCODE(op) <= SLJIT_MOVU_P) { \
         SLJIT_ASSERT(!GET_ALL_FLAGS(op)); \
     } \
-        if (GET_OPCODE(op) >= SLJIT_MOVU && GET_OPCODE(op) <= SLJIT_MOVU_SI) { \
+        if (GET_OPCODE(op) >= SLJIT_MOVU && GET_OPCODE(op) <= SLJIT_MOVU_P) { \
         SLJIT_ASSERT(!(src & SLJIT_MEM) || (src & 0xf) != SLJIT_LOCALS_REG); \
         SLJIT_ASSERT(!(dst & SLJIT_MEM) || (dst & 0xf) != SLJIT_LOCALS_REG); \
         if ((src & SLJIT_MEM) && (src & 0xf)) \
@@ -697,10 +699,10 @@
     (char*)"umul", (char*)"smul", (char*)"udiv", (char*)"sdiv",
     /* op1 */
     (char*)"mov", (char*)"mov.ub", (char*)"mov.sb", (char*)"mov.uh",
-    (char*)"mov.sh", (char*)"mov.ui", (char*)"mov.si", (char*)"movu",
-    (char*)"movu.ub", (char*)"movu.sb", (char*)"movu.uh", (char*)"movu.sh",
-    (char*)"movu.ui", (char*)"movu.si", (char*)"not", (char*)"neg",
-    (char*)"clz",
+    (char*)"mov.sh", (char*)"mov.ui", (char*)"mov.si", (char*)"mov.p",
+    (char*)"movu", (char*)"movu.ub", (char*)"movu.sb", (char*)"movu.uh",
+    (char*)"movu.sh", (char*)"movu.ui", (char*)"movu.si", (char*)"movu.p",
+    (char*)"not", (char*)"neg", (char*)"clz",
     /* op2 */
     (char*)"add", (char*)"addc", (char*)"sub", (char*)"subc",
     (char*)"mul", (char*)"and", (char*)"or", (char*)"xor",
@@ -809,7 +811,7 @@


 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
     if (op != SLJIT_UNUSED) {
-        SLJIT_ASSERT(op >= SLJIT_MOV && op <= SLJIT_MOV_SI);
+        SLJIT_ASSERT(op >= SLJIT_MOV && op <= SLJIT_MOV_P);
         FUNCTION_CHECK_SRC(src, srcw);
     }
     else
@@ -1231,10 +1233,11 @@
         return SLJIT_SUCCESS;


 #if (defined SLJIT_64BIT_ARCHITECTURE && SLJIT_64BIT_ARCHITECTURE)
-    if (src == SLJIT_RETURN_REG && op == SLJIT_MOV)
+    /* At the moment the pointer size is always equal to sljit_w. May be changed in the future. */
+    if (src == SLJIT_RETURN_REG && (op == SLJIT_MOV || op == SLJIT_MOV_P))
         return SLJIT_SUCCESS;
 #else
-    if (src == SLJIT_RETURN_REG && (op == SLJIT_MOV || op == SLJIT_MOV_UI || op == SLJIT_MOV_SI))
+    if (src == SLJIT_RETURN_REG && (op == SLJIT_MOV || op == SLJIT_MOV_UI || op == SLJIT_MOV_SI || op == SLJIT_MOV_P))
         return SLJIT_SUCCESS;
 #endif



Modified: code/trunk/sljit/sljitLir.h
===================================================================
--- code/trunk/sljit/sljitLir.h    2012-10-27 18:04:36 UTC (rev 1181)
+++ code/trunk/sljit/sljitLir.h    2012-10-28 05:22:32 UTC (rev 1182)
@@ -369,7 +369,7 @@


 /* Return from machine code.  The op argument can be SLJIT_UNUSED which means the
    function does not return with anything or any opcode between SLJIT_MOV and
-   SLJIT_MOV_SI (see sljit_emit_op1). As for src and srcw they must be 0 if op
+   SLJIT_MOV_P (see sljit_emit_op1). As for src and srcw they must be 0 if op
    is SLJIT_UNUSED, otherwise see below the description about source and
    destination arguments. */
 SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_return(struct sljit_compiler *compiler, int op,
@@ -377,13 +377,13 @@


 /* Really fast calling method for utility functions inside sljit (see SLJIT_FAST_CALL).
    All registers and even the stack frame is passed to the callee. The return address is
-   preserved in dst/dstw by sljit_emit_fast_enter, and sljit_emit_fast_return can
-   use this as a return value later. */
+   preserved in dst/dstw by sljit_emit_fast_enter (the type of the value stored by this
+   function is sljit_p), and sljit_emit_fast_return can use this as a return value later. */


-/* Note: only for sljit specific, non ABI compilant calls. Fast, since only a few machine instructions
- are needed. Excellent for small uility functions, where saving registers and setting up
- a new stack frame would cost too much performance. However, it is still possible to return
- to the address of the caller (or anywhere else). */
+/* Note: only for sljit specific, non ABI compilant calls. Fast, since only a few machine
+ instructions are needed. Excellent for small uility functions, where saving registers
+ and setting up a new stack frame would cost too much performance. However, it is still
+ possible to return to the address of the caller (or anywhere else). */

/* Note: flags are not changed (unlike sljit_emit_enter / sljit_emit_return). */

@@ -512,8 +512,11 @@
        or SLJIT_MEM2(r1, r2), r1 is increased by the sum of r2 and the constant argument
    UB = unsigned byte (8 bit)
    SB = signed byte (8 bit)
-   UH = unsgined half (16 bit)
-   SH = unsgined half (16 bit) */
+   UH = unsigned half (16 bit)
+   SH = signed half (16 bit)
+   UI = unsigned int (32 bit)
+   SI = signed int (32 bit)
+   P  = pointer (sljit_p) size */


 /* Flags: - (never set any flags) */
 #define SLJIT_MOV            6
@@ -530,68 +533,72 @@
 /* Flags: - (never set any flags) */
 #define SLJIT_MOV_SI            12
 /* Flags: - (never set any flags) */
-#define SLJIT_MOVU            13
+#define SLJIT_MOV_P            13
 /* Flags: - (never set any flags) */
-#define SLJIT_MOVU_UB            14
+#define SLJIT_MOVU            14
 /* Flags: - (never set any flags) */
-#define SLJIT_MOVU_SB            15
+#define SLJIT_MOVU_UB            15
 /* Flags: - (never set any flags) */
-#define SLJIT_MOVU_UH            16
+#define SLJIT_MOVU_SB            16
 /* Flags: - (never set any flags) */
-#define SLJIT_MOVU_SH            17
+#define SLJIT_MOVU_UH            17
 /* Flags: - (never set any flags) */
-#define SLJIT_MOVU_UI            18
+#define SLJIT_MOVU_SH            18
 /* Flags: - (never set any flags) */
-#define SLJIT_MOVU_SI            19
+#define SLJIT_MOVU_UI            19
+/* Flags: - (never set any flags) */
+#define SLJIT_MOVU_SI            20
+/* Flags: - (never set any flags) */
+#define SLJIT_MOVU_P            21
 /* Flags: I | E | K */
-#define SLJIT_NOT            20
+#define SLJIT_NOT            22
 /* Flags: I | E | O | K */
-#define SLJIT_NEG            21
+#define SLJIT_NEG            23
 /* Count leading zeroes
    Flags: I | E | K
    Important note! Sparc 32 does not support K flag, since
    the required popc instruction is introduced only in sparc 64. */
-#define SLJIT_CLZ            22
+#define SLJIT_CLZ            24


 SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_op1(struct sljit_compiler *compiler, int op,
     int dst, sljit_w dstw,
     int src, sljit_w srcw);


 /* Flags: I | E | O | C | K */
-#define SLJIT_ADD            23
+#define SLJIT_ADD            25
 /* Flags: I | C | K */
-#define SLJIT_ADDC            24
+#define SLJIT_ADDC            26
 /* Flags: I | E | S | U | O | C | K */
-#define SLJIT_SUB            25
+#define SLJIT_SUB            27
 /* Flags: I | C | K */
-#define SLJIT_SUBC            26
+#define SLJIT_SUBC            28
 /* Note: integer mul
    Flags: I | O (see SLJIT_C_MUL_*) | K */
-#define SLJIT_MUL            27
+#define SLJIT_MUL            29
 /* Flags: I | E | K */
-#define SLJIT_AND            28
+#define SLJIT_AND            30
 /* Flags: I | E | K */
-#define SLJIT_OR            29
+#define SLJIT_OR            31
 /* Flags: I | E | K */
-#define SLJIT_XOR            30
+#define SLJIT_XOR            32
 /* Flags: I | E | K
    Let bit_length be the length of the shift operation: 32 or 64.
    If src2 is immediate, src2w is masked by (bit_length - 1).
    Otherwise, if the content of src2 is outside the range from 0
    to bit_length - 1, the operation is undefined. */
-#define SLJIT_SHL            31
+#define SLJIT_SHL            33
 /* Flags: I | E | K
    Let bit_length be the length of the shift operation: 32 or 64.
    If src2 is immediate, src2w is masked by (bit_length - 1).
    Otherwise, if the content of src2 is outside the range from 0
    to bit_length - 1, the operation is undefined. */
-#define SLJIT_LSHR            32
+#define SLJIT_LSHR            34
 /* Flags: I | E | K
    Let bit_length be the length of the shift operation: 32 or 64.
    If src2 is immediate, src2w is masked by (bit_length - 1).
    Otherwise, if the content of src2 is outside the range from 0
    to bit_length - 1, the operation is undefined. */
-#define SLJIT_ASHR            33
+#define SLJIT_ASHR            35


 SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_op2(struct sljit_compiler *compiler, int op,
     int dst, sljit_w dstw,
@@ -628,26 +635,26 @@
    Note: NaN check is always performed. If SLJIT_C_FLOAT_UNORDERED is set,
          the comparison result is unpredictable.
    Flags: E | S (see SLJIT_C_FLOAT_*) */
-#define SLJIT_FCMP            34
+#define SLJIT_FCMP            36
 /* Flags: - (never set any flags) */
-#define SLJIT_FMOV            35
+#define SLJIT_FMOV            37
 /* Flags: - (never set any flags) */
-#define SLJIT_FNEG            36
+#define SLJIT_FNEG            38
 /* Flags: - (never set any flags) */
-#define SLJIT_FABS            37
+#define SLJIT_FABS            39


 SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fop1(struct sljit_compiler *compiler, int op,
     int dst, sljit_w dstw,
     int src, sljit_w srcw);


 /* Flags: - (never set any flags) */
-#define SLJIT_FADD            38
+#define SLJIT_FADD            40
 /* Flags: - (never set any flags) */
-#define SLJIT_FSUB            39
+#define SLJIT_FSUB            41
 /* Flags: - (never set any flags) */
-#define SLJIT_FMUL            40
+#define SLJIT_FMUL            42
 /* Flags: - (never set any flags) */
-#define SLJIT_FDIV            41
+#define SLJIT_FDIV            43


 SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fop2(struct sljit_compiler *compiler, int op,
     int dst, sljit_w dstw,


Modified: code/trunk/sljit/sljitNativeARM_Thumb2.c
===================================================================
--- code/trunk/sljit/sljitNativeARM_Thumb2.c    2012-10-27 18:04:36 UTC (rev 1181)
+++ code/trunk/sljit/sljitNativeARM_Thumb2.c    2012-10-28 05:22:32 UTC (rev 1182)
@@ -702,9 +702,11 @@
     case SLJIT_MOV:
     case SLJIT_MOV_UI:
     case SLJIT_MOV_SI:
+    case SLJIT_MOV_P:
     case SLJIT_MOVU:
     case SLJIT_MOVU_UI:
     case SLJIT_MOVU_SI:
+    case SLJIT_MOVU_P:
         SLJIT_ASSERT(!(flags & SET_FLAGS) && arg1 == TMP_REG1);
         return push_inst16(compiler, MOV | SET_REGS44(dst, arg2));
     case SLJIT_MOV_UB:
@@ -1314,57 +1316,59 @@
     op_type = GET_OPCODE(op);
     dst_r = (dst >= SLJIT_TEMPORARY_REG1 && dst <= SLJIT_NO_REGISTERS) ? dst : TMP_REG1;


-    if (op_type >= SLJIT_MOV && op_type <= SLJIT_MOVU_SI) {
+    if (op_type >= SLJIT_MOV && op_type <= SLJIT_MOVU_P) {
         switch (op_type) {
         case SLJIT_MOV:
         case SLJIT_MOV_UI:
         case SLJIT_MOV_SI:
+        case SLJIT_MOV_P:
             flags = WORD_SIZE;
             break;
         case SLJIT_MOV_UB:
             flags = BYTE_SIZE;
             if (src & SLJIT_IMM)
-                srcw = (unsigned char)srcw;
+                srcw = (sljit_ub)srcw;
             break;
         case SLJIT_MOV_SB:
             flags = BYTE_SIZE | SIGNED;
             if (src & SLJIT_IMM)
-                srcw = (signed char)srcw;
+                srcw = (sljit_b)srcw;
             break;
         case SLJIT_MOV_UH:
             flags = HALF_SIZE;
             if (src & SLJIT_IMM)
-                srcw = (unsigned short)srcw;
+                srcw = (sljit_uh)srcw;
             break;
         case SLJIT_MOV_SH:
             flags = HALF_SIZE | SIGNED;
             if (src & SLJIT_IMM)
-                srcw = (signed short)srcw;
+                srcw = (sljit_h)srcw;
             break;
         case SLJIT_MOVU:
         case SLJIT_MOVU_UI:
         case SLJIT_MOVU_SI:
+        case SLJIT_MOVU_P:
             flags = WORD_SIZE | UPDATE;
             break;
         case SLJIT_MOVU_UB:
             flags = BYTE_SIZE | UPDATE;
             if (src & SLJIT_IMM)
-                srcw = (unsigned char)srcw;
+                srcw = (sljit_ub)srcw;
             break;
         case SLJIT_MOVU_SB:
             flags = BYTE_SIZE | SIGNED | UPDATE;
             if (src & SLJIT_IMM)
-                srcw = (signed char)srcw;
+                srcw = (sljit_b)srcw;
             break;
         case SLJIT_MOVU_UH:
             flags = HALF_SIZE | UPDATE;
             if (src & SLJIT_IMM)
-                srcw = (unsigned short)srcw;
+                srcw = (sljit_uh)srcw;
             break;
         case SLJIT_MOVU_SH:
             flags = HALF_SIZE | SIGNED | UPDATE;
             if (src & SLJIT_IMM)
-                srcw = (signed short)srcw;
+                srcw = (sljit_h)srcw;
             break;
         default:
             SLJIT_ASSERT_STOP();


Modified: code/trunk/sljit/sljitNativeARM_v5.c
===================================================================
--- code/trunk/sljit/sljitNativeARM_v5.c    2012-10-27 18:04:36 UTC (rev 1181)
+++ code/trunk/sljit/sljitNativeARM_v5.c    2012-10-28 05:22:32 UTC (rev 1182)
@@ -1870,36 +1870,38 @@
     case SLJIT_MOV:
     case SLJIT_MOV_UI:
     case SLJIT_MOV_SI:
+    case SLJIT_MOV_P:
         return emit_op(compiler, SLJIT_MOV, ALLOW_ANY_IMM, dst, dstw, TMP_REG1, 0, src, srcw);


     case SLJIT_MOV_UB:
-        return emit_op(compiler, SLJIT_MOV_UB, ALLOW_ANY_IMM | BYTE_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (unsigned char)srcw : srcw);
+        return emit_op(compiler, SLJIT_MOV_UB, ALLOW_ANY_IMM | BYTE_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_ub)srcw : srcw);


     case SLJIT_MOV_SB:
-        return emit_op(compiler, SLJIT_MOV_SB, ALLOW_ANY_IMM | SIGNED_DATA | BYTE_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (signed char)srcw : srcw);
+        return emit_op(compiler, SLJIT_MOV_SB, ALLOW_ANY_IMM | SIGNED_DATA | BYTE_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_b)srcw : srcw);


     case SLJIT_MOV_UH:
-        return emit_op(compiler, SLJIT_MOV_UH, ALLOW_ANY_IMM | HALF_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (unsigned short)srcw : srcw);
+        return emit_op(compiler, SLJIT_MOV_UH, ALLOW_ANY_IMM | HALF_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_uh)srcw : srcw);


     case SLJIT_MOV_SH:
-        return emit_op(compiler, SLJIT_MOV_SH, ALLOW_ANY_IMM | SIGNED_DATA | HALF_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (signed short)srcw : srcw);
+        return emit_op(compiler, SLJIT_MOV_SH, ALLOW_ANY_IMM | SIGNED_DATA | HALF_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_h)srcw : srcw);


     case SLJIT_MOVU:
     case SLJIT_MOVU_UI:
     case SLJIT_MOVU_SI:
+    case SLJIT_MOVU_P:
         return emit_op(compiler, SLJIT_MOV, ALLOW_ANY_IMM | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);


     case SLJIT_MOVU_UB:
-        return emit_op(compiler, SLJIT_MOV_UB, ALLOW_ANY_IMM | BYTE_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (unsigned char)srcw : srcw);
+        return emit_op(compiler, SLJIT_MOV_UB, ALLOW_ANY_IMM | BYTE_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_ub)srcw : srcw);


     case SLJIT_MOVU_SB:
-        return emit_op(compiler, SLJIT_MOV_SB, ALLOW_ANY_IMM | SIGNED_DATA | BYTE_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (signed char)srcw : srcw);
+        return emit_op(compiler, SLJIT_MOV_SB, ALLOW_ANY_IMM | SIGNED_DATA | BYTE_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_b)srcw : srcw);


     case SLJIT_MOVU_UH:
-        return emit_op(compiler, SLJIT_MOV_UH, ALLOW_ANY_IMM | HALF_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (unsigned short)srcw : srcw);
+        return emit_op(compiler, SLJIT_MOV_UH, ALLOW_ANY_IMM | HALF_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_uh)srcw : srcw);


     case SLJIT_MOVU_SH:
-        return emit_op(compiler, SLJIT_MOV_SH, ALLOW_ANY_IMM | SIGNED_DATA | HALF_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (signed short)srcw : srcw);
+        return emit_op(compiler, SLJIT_MOV_SH, ALLOW_ANY_IMM | SIGNED_DATA | HALF_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_h)srcw : srcw);


     case SLJIT_NOT:
         return emit_op(compiler, op, ALLOW_ANY_IMM, dst, dstw, TMP_REG1, 0, src, srcw);


Modified: code/trunk/sljit/sljitNativeMIPS_32.c
===================================================================
--- code/trunk/sljit/sljitNativeMIPS_32.c    2012-10-27 18:04:36 UTC (rev 1181)
+++ code/trunk/sljit/sljitNativeMIPS_32.c    2012-10-28 05:22:32 UTC (rev 1182)
@@ -75,6 +75,7 @@
     case SLJIT_MOV:
     case SLJIT_MOV_UI:
     case SLJIT_MOV_SI:
+    case SLJIT_MOV_P:
         SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM));
         if (dst != src2)
             return push_inst(compiler, ADDU | S(src2) | TA(0) | D(dst), DR(dst));


Modified: code/trunk/sljit/sljitNativeMIPS_common.c
===================================================================
--- code/trunk/sljit/sljitNativeMIPS_common.c    2012-10-27 18:04:36 UTC (rev 1181)
+++ code/trunk/sljit/sljitNativeMIPS_common.c    2012-10-28 05:22:32 UTC (rev 1182)
@@ -969,10 +969,9 @@
     ADJUST_LOCAL_OFFSET(dst, dstw);
     ADJUST_LOCAL_OFFSET(src, srcw);


-    SLJIT_COMPILE_ASSERT(SLJIT_MOV + 7 == SLJIT_MOVU, movu_offset);
-
     switch (GET_OPCODE(op)) {
     case SLJIT_MOV:
+    case SLJIT_MOV_P:
         return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA, dst, dstw, TMP_REG1, 0, src, srcw);


     case SLJIT_MOV_UI:
@@ -982,18 +981,19 @@
         return emit_op(compiler, SLJIT_MOV_SI, flags | INT_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, srcw);


     case SLJIT_MOV_UB:
-        return emit_op(compiler, SLJIT_MOV_UB, flags | BYTE_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (unsigned char)srcw : srcw);
+        return emit_op(compiler, SLJIT_MOV_UB, flags | BYTE_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_ub)srcw : srcw);


     case SLJIT_MOV_SB:
-        return emit_op(compiler, SLJIT_MOV_SB, flags | BYTE_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (signed char)srcw : srcw);
+        return emit_op(compiler, SLJIT_MOV_SB, flags | BYTE_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_b)srcw : srcw);


     case SLJIT_MOV_UH:
-        return emit_op(compiler, SLJIT_MOV_UH, flags | HALF_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (unsigned short)srcw : srcw);
+        return emit_op(compiler, SLJIT_MOV_UH, flags | HALF_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_uh)srcw : srcw);


     case SLJIT_MOV_SH:
-        return emit_op(compiler, SLJIT_MOV_SH, flags | HALF_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (signed short)srcw : srcw);
+        return emit_op(compiler, SLJIT_MOV_SH, flags | HALF_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_h)srcw : srcw);


     case SLJIT_MOVU:
+    case SLJIT_MOVU_P:
         return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);


     case SLJIT_MOVU_UI:
@@ -1003,16 +1003,16 @@
         return emit_op(compiler, SLJIT_MOV_SI, flags | INT_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);


     case SLJIT_MOVU_UB:
-        return emit_op(compiler, SLJIT_MOV_UB, flags | BYTE_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (unsigned char)srcw : srcw);
+        return emit_op(compiler, SLJIT_MOV_UB, flags | BYTE_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_ub)srcw : srcw);


     case SLJIT_MOVU_SB:
-        return emit_op(compiler, SLJIT_MOV_SB, flags | BYTE_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (signed char)srcw : srcw);
+        return emit_op(compiler, SLJIT_MOV_SB, flags | BYTE_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_b)srcw : srcw);


     case SLJIT_MOVU_UH:
-        return emit_op(compiler, SLJIT_MOV_UH, flags | HALF_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (unsigned short)srcw : srcw);
+        return emit_op(compiler, SLJIT_MOV_UH, flags | HALF_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_uh)srcw : srcw);


     case SLJIT_MOVU_SH:
-        return emit_op(compiler, SLJIT_MOV_SH, flags | HALF_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (signed short)srcw : srcw);
+        return emit_op(compiler, SLJIT_MOV_SH, flags | HALF_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_h)srcw : srcw);


     case SLJIT_NOT:
         return emit_op(compiler, op, flags, dst, dstw, TMP_REG1, 0, src, srcw);


Modified: code/trunk/sljit/sljitNativePPC_32.c
===================================================================
--- code/trunk/sljit/sljitNativePPC_32.c    2012-10-27 18:04:36 UTC (rev 1181)
+++ code/trunk/sljit/sljitNativePPC_32.c    2012-10-28 05:22:32 UTC (rev 1182)
@@ -48,6 +48,7 @@
     case SLJIT_MOV:
     case SLJIT_MOV_UI:
     case SLJIT_MOV_SI:
+    case SLJIT_MOV_P:
         SLJIT_ASSERT(src1 == TMP_REG1);
         if (dst != src2)
             return push_inst(compiler, OR | S(src2) | A(dst) | B(src2));


Modified: code/trunk/sljit/sljitNativePPC_64.c
===================================================================
--- code/trunk/sljit/sljitNativePPC_64.c    2012-10-27 18:04:36 UTC (rev 1181)
+++ code/trunk/sljit/sljitNativePPC_64.c    2012-10-28 05:22:32 UTC (rev 1182)
@@ -150,6 +150,7 @@
 {
     switch (op) {
     case SLJIT_MOV:
+    case SLJIT_MOV_P:
         SLJIT_ASSERT(src1 == TMP_REG1);
         if (dst != src2)
             return push_inst(compiler, OR | S(src2) | A(dst) | B(src2));


Modified: code/trunk/sljit/sljitNativePPC_common.c
===================================================================
--- code/trunk/sljit/sljitNativePPC_common.c    2012-10-27 18:04:36 UTC (rev 1181)
+++ code/trunk/sljit/sljitNativePPC_common.c    2012-10-28 05:22:32 UTC (rev 1182)
@@ -1170,6 +1170,7 @@


     switch (GET_OPCODE(op)) {
     case SLJIT_MOV:
+    case SLJIT_MOV_P:
         return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA, dst, dstw, TMP_REG1, 0, src, srcw);


     case SLJIT_MOV_UI:
@@ -1179,18 +1180,19 @@
         return emit_op(compiler, SLJIT_MOV_SI, flags | INT_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, srcw);


     case SLJIT_MOV_UB:
-        return EMIT_MOV(SLJIT_MOV_UB, BYTE_DATA, (unsigned char));
+        return EMIT_MOV(SLJIT_MOV_UB, BYTE_DATA, (sljit_ub));


     case SLJIT_MOV_SB:
-        return EMIT_MOV(SLJIT_MOV_SB, BYTE_DATA | SIGNED_DATA, (signed char));
+        return EMIT_MOV(SLJIT_MOV_SB, BYTE_DATA | SIGNED_DATA, (sljit_b));


     case SLJIT_MOV_UH:
-        return EMIT_MOV(SLJIT_MOV_UH, HALF_DATA, (unsigned short));
+        return EMIT_MOV(SLJIT_MOV_UH, HALF_DATA, (sljit_uh));


     case SLJIT_MOV_SH:
-        return EMIT_MOV(SLJIT_MOV_SH, HALF_DATA | SIGNED_DATA, (signed short));
+        return EMIT_MOV(SLJIT_MOV_SH, HALF_DATA | SIGNED_DATA, (sljit_h));


     case SLJIT_MOVU:
+    case SLJIT_MOVU_P:
         return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);


     case SLJIT_MOVU_UI:
@@ -1200,16 +1202,16 @@
         return emit_op(compiler, SLJIT_MOV_SI, flags | INT_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);


     case SLJIT_MOVU_UB:
-        return EMIT_MOV(SLJIT_MOV_UB, BYTE_DATA | WRITE_BACK, (unsigned char));
+        return EMIT_MOV(SLJIT_MOV_UB, BYTE_DATA | WRITE_BACK, (sljit_ub));


     case SLJIT_MOVU_SB:
-        return EMIT_MOV(SLJIT_MOV_SB, BYTE_DATA | SIGNED_DATA | WRITE_BACK, (signed char));
+        return EMIT_MOV(SLJIT_MOV_SB, BYTE_DATA | SIGNED_DATA | WRITE_BACK, (sljit_b));


     case SLJIT_MOVU_UH:
-        return EMIT_MOV(SLJIT_MOV_UH, HALF_DATA | WRITE_BACK, (unsigned short));
+        return EMIT_MOV(SLJIT_MOV_UH, HALF_DATA | WRITE_BACK, (sljit_uh));


     case SLJIT_MOVU_SH:
-        return EMIT_MOV(SLJIT_MOV_SH, HALF_DATA | SIGNED_DATA | WRITE_BACK, (signed short));
+        return EMIT_MOV(SLJIT_MOV_SH, HALF_DATA | SIGNED_DATA | WRITE_BACK, (sljit_h));


     case SLJIT_NOT:
         return emit_op(compiler, SLJIT_NOT, flags, dst, dstw, TMP_REG1, 0, src, srcw);


Modified: code/trunk/sljit/sljitNativeSPARC_32.c
===================================================================
--- code/trunk/sljit/sljitNativeSPARC_32.c    2012-10-27 18:04:36 UTC (rev 1181)
+++ code/trunk/sljit/sljitNativeSPARC_32.c    2012-10-28 05:22:32 UTC (rev 1182)
@@ -44,6 +44,7 @@
     case SLJIT_MOV:
     case SLJIT_MOV_UI:
     case SLJIT_MOV_SI:
+    case SLJIT_MOV_P:
         SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM));
         if (dst != src2)
             return push_inst(compiler, OR | D(dst) | S1(0) | S2(src2), DR(dst));


Modified: code/trunk/sljit/sljitNativeSPARC_common.c
===================================================================
--- code/trunk/sljit/sljitNativeSPARC_common.c    2012-10-27 18:04:36 UTC (rev 1181)
+++ code/trunk/sljit/sljitNativeSPARC_common.c    2012-10-28 05:22:32 UTC (rev 1182)
@@ -776,11 +776,10 @@
     ADJUST_LOCAL_OFFSET(dst, dstw);
     ADJUST_LOCAL_OFFSET(src, srcw);


-    SLJIT_COMPILE_ASSERT(SLJIT_MOV + 7 == SLJIT_MOVU, movu_offset);
-
     op = GET_OPCODE(op);
     switch (op) {
     case SLJIT_MOV:
+    case SLJIT_MOV_P:
         return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA, dst, dstw, TMP_REG1, 0, src, srcw);


     case SLJIT_MOV_UI:
@@ -790,18 +789,19 @@
         return emit_op(compiler, SLJIT_MOV_SI, flags | INT_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, srcw);


     case SLJIT_MOV_UB:
-        return emit_op(compiler, SLJIT_MOV_UB, flags | BYTE_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (unsigned char)srcw : srcw);
+        return emit_op(compiler, SLJIT_MOV_UB, flags | BYTE_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_ub)srcw : srcw);


     case SLJIT_MOV_SB:
-        return emit_op(compiler, SLJIT_MOV_SB, flags | BYTE_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (signed char)srcw : srcw);
+        return emit_op(compiler, SLJIT_MOV_SB, flags | BYTE_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_b)srcw : srcw);


     case SLJIT_MOV_UH:
-        return emit_op(compiler, SLJIT_MOV_UH, flags | HALF_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (unsigned short)srcw : srcw);
+        return emit_op(compiler, SLJIT_MOV_UH, flags | HALF_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_uh)srcw : srcw);


     case SLJIT_MOV_SH:
-        return emit_op(compiler, SLJIT_MOV_SH, flags | HALF_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (signed short)srcw : srcw);
+        return emit_op(compiler, SLJIT_MOV_SH, flags | HALF_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_h)srcw : srcw);


     case SLJIT_MOVU:
+    case SLJIT_MOVU_P:
         return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);


     case SLJIT_MOVU_UI:
@@ -811,16 +811,16 @@
         return emit_op(compiler, SLJIT_MOV_SI, flags | INT_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);


     case SLJIT_MOVU_UB:
-        return emit_op(compiler, SLJIT_MOV_UB, flags | BYTE_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (unsigned char)srcw : srcw);
+        return emit_op(compiler, SLJIT_MOV_UB, flags | BYTE_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_ub)srcw : srcw);


     case SLJIT_MOVU_SB:
-        return emit_op(compiler, SLJIT_MOV_SB, flags | BYTE_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (signed char)srcw : srcw);
+        return emit_op(compiler, SLJIT_MOV_SB, flags | BYTE_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_b)srcw : srcw);


     case SLJIT_MOVU_UH:
-        return emit_op(compiler, SLJIT_MOV_UH, flags | HALF_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (unsigned short)srcw : srcw);
+        return emit_op(compiler, SLJIT_MOV_UH, flags | HALF_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_uh)srcw : srcw);


     case SLJIT_MOVU_SH:
-        return emit_op(compiler, SLJIT_MOV_SH, flags | HALF_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (signed short)srcw : srcw);
+        return emit_op(compiler, SLJIT_MOV_SH, flags | HALF_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_h)srcw : srcw);


     case SLJIT_NOT:
     case SLJIT_CLZ:


Modified: code/trunk/sljit/sljitNativeX86_common.c
===================================================================
--- code/trunk/sljit/sljitNativeX86_common.c    2012-10-27 18:04:36 UTC (rev 1181)
+++ code/trunk/sljit/sljitNativeX86_common.c    2012-10-28 05:22:32 UTC (rev 1182)
@@ -1065,38 +1065,38 @@
     compiler->mode32 = op & SLJIT_INT_OP;
 #endif


-    if (GET_OPCODE(op) >= SLJIT_MOV && GET_OPCODE(op) <= SLJIT_MOVU_SI) {
+    if (GET_OPCODE(op) >= SLJIT_MOV && GET_OPCODE(op) <= SLJIT_MOVU_P) {
         op = GET_OPCODE(op);
 #if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
         compiler->mode32 = 0;
 #endif


-        SLJIT_COMPILE_ASSERT(SLJIT_MOV + 7 == SLJIT_MOVU, movu_offset);
+        SLJIT_COMPILE_ASSERT(SLJIT_MOV + 8 == SLJIT_MOVU, movu_offset);
         if (op >= SLJIT_MOVU) {
             update = 1;
-            op -= 7;
+            op -= 8;
         }


         if (src & SLJIT_IMM) {
             switch (op) {
             case SLJIT_MOV_UB:
-                srcw = (unsigned char)srcw;
+                srcw = (sljit_ub)srcw;
                 break;
             case SLJIT_MOV_SB:
-                srcw = (signed char)srcw;
+                srcw = (sljit_b)srcw;
                 break;
             case SLJIT_MOV_UH:
-                srcw = (unsigned short)srcw;
+                srcw = (sljit_uh)srcw;
                 break;
             case SLJIT_MOV_SH:
-                srcw = (signed short)srcw;
+                srcw = (sljit_h)srcw;
                 break;
 #if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
             case SLJIT_MOV_UI:
-                srcw = (unsigned int)srcw;
+                srcw = (sljit_ui)srcw;
                 break;
             case SLJIT_MOV_SI:
-                srcw = (signed int)srcw;
+                srcw = (sljit_i)srcw;
                 break;
 #endif
             }
@@ -1115,7 +1115,7 @@
         }


 #if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32)
-        if (SLJIT_UNLIKELY(dst_is_ereg) && (!(op == SLJIT_MOV || op == SLJIT_MOV_UI || op == SLJIT_MOV_SI) || (src & SLJIT_MEM))) {
+        if (SLJIT_UNLIKELY(dst_is_ereg) && (!(op == SLJIT_MOV || op == SLJIT_MOV_UI || op == SLJIT_MOV_SI || op == SLJIT_MOV_P) || (src & SLJIT_MEM))) {
             SLJIT_ASSERT(dst == SLJIT_MEM1(SLJIT_LOCALS_REG));
             dst = TMP_REGISTER;
         }
@@ -1123,6 +1123,7 @@


         switch (op) {
         case SLJIT_MOV:
+        case SLJIT_MOV_P:
 #if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32)
         case SLJIT_MOV_UI:
         case SLJIT_MOV_SI:
@@ -1130,23 +1131,23 @@
             FAIL_IF(emit_mov(compiler, dst, dstw, src, srcw));
             break;
         case SLJIT_MOV_UB:
-            FAIL_IF(emit_mov_byte(compiler, 0, dst, dstw, src, (src & SLJIT_IMM) ? (unsigned char)srcw : srcw));
+            FAIL_IF(emit_mov_byte(compiler, 0, dst, dstw, src, srcw));
             break;
         case SLJIT_MOV_SB:
-            FAIL_IF(emit_mov_byte(compiler, 1, dst, dstw, src, (src & SLJIT_IMM) ? (signed char)srcw : srcw));
+            FAIL_IF(emit_mov_byte(compiler, 1, dst, dstw, src, srcw));
             break;
         case SLJIT_MOV_UH:
-            FAIL_IF(emit_mov_half(compiler, 0, dst, dstw, src, (src & SLJIT_IMM) ? (unsigned short)srcw : srcw));
+            FAIL_IF(emit_mov_half(compiler, 0, dst, dstw, src, srcw));
             break;
         case SLJIT_MOV_SH:
-            FAIL_IF(emit_mov_half(compiler, 1, dst, dstw, src, (src & SLJIT_IMM) ? (signed short)srcw : srcw));
+            FAIL_IF(emit_mov_half(compiler, 1, dst, dstw, src, srcw));
             break;
 #if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
         case SLJIT_MOV_UI:
-            FAIL_IF(emit_mov_int(compiler, 0, dst, dstw, src, (src & SLJIT_IMM) ? (unsigned int)srcw : srcw));
+            FAIL_IF(emit_mov_int(compiler, 0, dst, dstw, src, srcw));
             break;
         case SLJIT_MOV_SI:
-            FAIL_IF(emit_mov_int(compiler, 1, dst, dstw, src, (src & SLJIT_IMM) ? (signed int)srcw : srcw));
+            FAIL_IF(emit_mov_int(compiler, 1, dst, dstw, src, srcw));
             break;
 #endif
         }


Modified: code/trunk/sljit/sljitUtils.c
===================================================================
--- code/trunk/sljit/sljitUtils.c    2012-10-27 18:04:36 UTC (rev 1181)
+++ code/trunk/sljit/sljitUtils.c    2012-10-28 05:22:32 UTC (rev 1182)
@@ -148,15 +148,55 @@
 /*  Stack                                                                   */
 /* ------------------------------------------------------------------------ */


-#if (defined SLJIT_UTIL_STACK && SLJIT_UTIL_STACK)
+#if (defined SLJIT_UTIL_STACK && SLJIT_UTIL_STACK) || (defined SLJIT_EXECUTABLE_ALLOCATOR && SLJIT_EXECUTABLE_ALLOCATOR)

 #ifdef _WIN32
 #include "windows.h"
 #else
+/* Provides mmap function. */
 #include <sys/mman.h>
+/* For detecting the page size. */
 #include <unistd.h>
+
+#ifndef MAP_ANON
+
+#include <fcntl.h>
+
+/* Some old systems does not have MAP_ANON. */
+static int dev_zero = -1;
+
+#if (defined SLJIT_SINGLE_THREADED && SLJIT_SINGLE_THREADED)
+
+static SLJIT_INLINE int open_dev_zero(void)
+{
+    dev_zero = open("/dev/zero", O_RDWR);
+    return dev_zero < 0;
+}
+
+#else /* SLJIT_SINGLE_THREADED */
+
+#include <pthread.h>
+
+static pthread_mutex_t dev_zero_mutex = PTHREAD_MUTEX_INITIALIZER;
+
+static SLJIT_INLINE int open_dev_zero(void)
+{
+    pthread_mutex_lock(&dev_zero_mutex);
+    dev_zero = open("/dev/zero", O_RDWR);
+    pthread_mutex_unlock(&dev_zero_mutex);
+    return dev_zero < 0;
+}
+
+#endif /* SLJIT_SINGLE_THREADED */
+
 #endif


+#endif
+
+#endif /* SLJIT_UTIL_STACK || SLJIT_EXECUTABLE_ALLOCATOR */
+
+#if (defined SLJIT_UTIL_STACK && SLJIT_UTIL_STACK)
+
/* Planning to make it even more clever in the future. */
static sljit_w sljit_page_align = 0;

@@ -197,7 +237,7 @@
         return NULL;


 #ifdef _WIN32
-    base.ptr = VirtualAlloc(0, max_limit, MEM_RESERVE, PAGE_READWRITE);
+    base.ptr = VirtualAlloc(NULL, max_limit, MEM_RESERVE, PAGE_READWRITE);
     if (!base.ptr) {
         SLJIT_FREE(stack);
         return NULL;
@@ -210,7 +250,17 @@
         return NULL;
     }
 #else
+#ifdef MAP_ANON
     base.ptr = mmap(0, max_limit, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0);
+#else
+    if (dev_zero < 0) {
+        if (open_dev_zero()) {
+            SLJIT_FREE(stack);
+            return NULL;
+        }
+    }
+    base.ptr = mmap(0, max_limit, PROT_READ | PROT_WRITE, MAP_PRIVATE, dev_zero, 0);
+#endif
     if (base.ptr == MAP_FAILED) {
         SLJIT_FREE(stack);
         return NULL;