JavaScriptCore-7601.1.46.3.tar.gz

[apple/javascriptcore.git] / assembler / ARMv7Assembler.h

diff --git a/assembler/ARMv7Assembler.h b/assembler/ARMv7Assembler.h
index ce079d90dfaed8a29e554291368d0ab287b2000a..1d731f98b6a0f9d051684f69b90ba6c4460f393c 100644 (file)
--- a/assembler/ARMv7Assembler.h
+++ b/assembler/ARMv7Assembler.h
@@ -38,23 +38,83 @@
 namespace JSC {
 
 namespace ARMRegisters {
 namespace JSC {
 
 namespace ARMRegisters {

+
+    #define FOR_EACH_CPU_REGISTER(V) \
+        FOR_EACH_CPU_GPREGISTER(V) \
+        FOR_EACH_CPU_SPECIAL_REGISTER(V) \
+        FOR_EACH_CPU_FPREGISTER(V)
+
+    // The following are defined as pairs of the following value:
+    // 1. type of the storage needed to save the register value by the JIT probe.
+    // 2. name of the register.
+    #define FOR_EACH_CPU_GPREGISTER(V) \
+        V(void*, r0) \
+        V(void*, r1) \
+        V(void*, r2) \
+        V(void*, r3) \
+        V(void*, r4) \
+        V(void*, r5) \
+        V(void*, r6) \
+        V(void*, r7) \
+        V(void*, r8) \
+        V(void*, r9) \
+        V(void*, r10) \
+        V(void*, r11) \
+        V(void*, ip) \
+        V(void*, sp) \
+        V(void*, lr) \
+        V(void*, pc)
+
+    #define FOR_EACH_CPU_SPECIAL_REGISTER(V) \
+        V(void*, apsr) \
+        V(void*, fpscr) \
+
+    #define FOR_EACH_CPU_FPREGISTER(V) \
+        V(double, d0) \
+        V(double, d1) \
+        V(double, d2) \
+        V(double, d3) \
+        V(double, d4) \
+        V(double, d5) \
+        V(double, d6) \
+        V(double, d7) \
+        V(double, d8) \
+        V(double, d9) \
+        V(double, d10) \
+        V(double, d11) \
+        V(double, d12) \
+        V(double, d13) \
+        V(double, d14) \
+        V(double, d15) \
+        V(double, d16) \
+        V(double, d17) \
+        V(double, d18) \
+        V(double, d19) \
+        V(double, d20) \
+        V(double, d21) \
+        V(double, d22) \
+        V(double, d23) \
+        V(double, d24) \
+        V(double, d25) \
+        V(double, d26) \
+        V(double, d27) \
+        V(double, d28) \
+        V(double, d29) \
+        V(double, d30) \
+        V(double, d31)
+

     typedef enum {
     typedef enum {

-        r0,
-        r1,
-        r2,
-        r3,
-        r4,
-        r5,
-        r6,
-        r7, fp = r7,   // frame pointer
-        r8,
-        r9, sb = r9,   // static base
-        r10, sl = r10, // stack limit
-        r11,
-        r12, ip = r12,
-        r13, sp = r13,
-        r14, lr = r14,
-        r15, pc = r15,
+        #define DECLARE_REGISTER(_type, _regName) _regName,
+        FOR_EACH_CPU_GPREGISTER(DECLARE_REGISTER)
+        #undef DECLARE_REGISTER
+
+        fp = r7,   // frame pointer
+        sb = r9,   // static base
+        sl = r10,  // stack limit
+        r12 = ip,
+        r13 = sp,
+        r14 = lr,
+        r15 = pc

     } RegisterID;
 
     typedef enum {
     } RegisterID;
 
     typedef enum {


@@ -93,38 +153,9 @@ namespace ARMRegisters {
     } FPSingleRegisterID;
 
     typedef enum {
     } FPSingleRegisterID;
 
     typedef enum {

-        d0,
-        d1,
-        d2,
-        d3,
-        d4,
-        d5,
-        d6,
-        d7,
-        d8,
-        d9,
-        d10,
-        d11,
-        d12,
-        d13,
-        d14,
-        d15,
-        d16,
-        d17,
-        d18,
-        d19,
-        d20,
-        d21,
-        d22,
-        d23,
-        d24,
-        d25,
-        d26,
-        d27,
-        d28,
-        d29,
-        d30,
-        d31,
+        #define DECLARE_REGISTER(_type, _regName) _regName,
+        FOR_EACH_CPU_FPREGISTER(DECLARE_REGISTER)
+        #undef DECLARE_REGISTER

     } FPDoubleRegisterID;
 
     typedef enum {
     } FPDoubleRegisterID;
 
     typedef enum {


@@ -174,77 +205,7 @@ namespace ARMRegisters {
         return (FPDoubleRegisterID)(reg >> 1);
     }
 
         return (FPDoubleRegisterID)(reg >> 1);
     }
 

-#if USE(MASM_PROBE)
-    #define FOR_EACH_CPU_REGISTER(V) \
-        FOR_EACH_CPU_GPREGISTER(V) \
-        FOR_EACH_CPU_SPECIAL_REGISTER(V) \
-        FOR_EACH_CPU_FPREGISTER(V)
-
-    #define FOR_EACH_CPU_GPREGISTER(V) \
-        V(void*, r0) \
-        V(void*, r1) \
-        V(void*, r2) \
-        V(void*, r3) \
-        V(void*, r4) \
-        V(void*, r5) \
-        V(void*, r6) \
-        V(void*, r7) \
-        V(void*, r8) \
-        V(void*, r9) \
-        V(void*, r10) \
-        V(void*, r11) \
-        V(void*, ip) \
-        V(void*, sp) \
-        V(void*, lr) \
-        V(void*, pc)
-
-    #define FOR_EACH_CPU_SPECIAL_REGISTER(V) \
-        V(void*, apsr) \
-        V(void*, fpscr) \
-
-    #define FOR_EACH_CPU_FPREGISTER(V) \
-        V(double, d0) \
-        V(double, d1) \
-        V(double, d2) \
-        V(double, d3) \
-        V(double, d4) \
-        V(double, d5) \
-        V(double, d6) \
-        V(double, d7) \
-        V(double, d8) \
-        V(double, d9) \
-        V(double, d10) \
-        V(double, d11) \
-        V(double, d12) \
-        V(double, d13) \
-        V(double, d14) \
-        V(double, d15) \
-        FOR_EACH_CPU_FPREGISTER_EXTENSION(V)
-
-#if CPU(APPLE_ARMV7S)
-    #define FOR_EACH_CPU_FPREGISTER_EXTENSION(V) \
-        V(double, d16) \
-        V(double, d17) \
-        V(double, d18) \
-        V(double, d19) \
-        V(double, d20) \
-        V(double, d21) \
-        V(double, d22) \
-        V(double, d23) \
-        V(double, d24) \
-        V(double, d25) \
-        V(double, d26) \
-        V(double, d27) \
-        V(double, d28) \
-        V(double, d29) \
-        V(double, d30) \
-        V(double, d31)
-#else
-    #define FOR_EACH_CPU_FPREGISTER_EXTENSION(V) // Nothing to add.
-#endif // CPU(APPLE_ARMV7S)
-
-#endif // USE(MASM_PROBE)
-}
+} // namespace ARMRegisters

 
 class ARMv7Assembler;
 class ARMThumbImmediate {
 
 class ARMv7Assembler;
 class ARMThumbImmediate {


@@ -747,7 +708,7 @@ private:
         OP_ROR_reg_T2   = 0xFA60,
         OP_CLZ          = 0xFAB0,
         OP_SMULL_T1     = 0xFB80,
         OP_ROR_reg_T2   = 0xFA60,
         OP_CLZ          = 0xFAB0,
         OP_SMULL_T1     = 0xFB80,

-#if CPU(APPLE_ARMV7S)
+#if HAVE(ARM_IDIV_INSTRUCTIONS)

         OP_SDIV_T1      = 0xFB90,
         OP_UDIV_T1      = 0xFBB0,
 #endif
         OP_SDIV_T1      = 0xFB90,
         OP_UDIV_T1      = 0xFBB0,
 #endif


@@ -1538,7 +1499,7 @@ public:
         m_formatter.twoWordOp16Imm16(OP_PUSH_T2, registerList);
     }
 
         m_formatter.twoWordOp16Imm16(OP_PUSH_T2, registerList);
     }
 

-#if CPU(APPLE_ARMV7S)
+#if HAVE(ARM_IDIV_INSTRUCTIONS)

     template<int datasize>
     ALWAYS_INLINE void sdiv(RegisterID rd, RegisterID rn, RegisterID rm)
     {
     template<int datasize>
     ALWAYS_INLINE void sdiv(RegisterID rd, RegisterID rn, RegisterID rm)
     {


@@ -1687,8 +1648,8 @@ public:
         ASSERT(rn != ARMRegisters::pc);
         ASSERT(imm.isUInt12());
         
         ASSERT(rn != ARMRegisters::pc);
         ASSERT(imm.isUInt12());
         

-        if (!((rt | rn) & 8) && imm.isUInt7())
-            m_formatter.oneWordOp5Imm5Reg3Reg3(OP_STRH_imm_T1, imm.getUInt7() >> 2, rn, rt);
+        if (!((rt | rn) & 8) && imm.isUInt6())
+            m_formatter.oneWordOp5Imm5Reg3Reg3(OP_STRH_imm_T1, imm.getUInt6() >> 1, rn, rt);

         else
             m_formatter.twoWordOp12Reg4Reg4Imm12(OP_STRH_imm_T2, rn, rt, imm.getUInt12());
     }
         else
             m_formatter.twoWordOp12Reg4Reg4Imm12(OP_STRH_imm_T2, rn, rt, imm.getUInt12());
     }


@@ -1886,7 +1847,7 @@ public:
         m_formatter.twoWordOp12Reg40Imm3Reg4Imm20Imm5(OP_UBFX_T1, rd, rn, (lsb & 0x1c) << 10, (lsb & 0x3) << 6, (width - 1) & 0x1f);
     }
 
         m_formatter.twoWordOp12Reg40Imm3Reg4Imm20Imm5(OP_UBFX_T1, rd, rn, (lsb & 0x1c) << 10, (lsb & 0x3) << 6, (width - 1) & 0x1f);
     }
 

-#if CPU(APPLE_ARMV7S)
+#if HAVE(ARM_IDIV_INSTRUCTIONS)

     ALWAYS_INLINE void udiv(RegisterID rd, RegisterID rn, RegisterID rm)
     {
         ASSERT(!BadReg(rd));
     ALWAYS_INLINE void udiv(RegisterID rd, RegisterID rn, RegisterID rm)
     {
         ASSERT(!BadReg(rd));


@@ -2411,8 +2372,6 @@ public:
             linuxPageFlush(current, current + page);
 
         linuxPageFlush(current, end);
             linuxPageFlush(current, current + page);
 
         linuxPageFlush(current, end);

-#elif OS(WINCE)
-        CacheRangeFlush(code, size, CACHE_SYNC_ALL);

 #else
 #error "The cacheFlush support is missing on this platform."
 #endif
 #else
 #error "The cacheFlush support is missing on this platform."
 #endif