tcg: Change memory offsets to intptr_t

[qemu.git] / tcg / tcg.c

diff --git a/tcg/tcg.c b/tcg/tcg.c
index dac8224024da514177b3b4027092280ae75e4696..251d39050c347bb18581942238068c6051d4d1d7 100644 (file)
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -121,14 +121,23 @@ static inline void tcg_out8(TCGContext *s, uint8_t v)
 
 static inline void tcg_out16(TCGContext *s, uint16_t v)
 {
-    *(uint16_t *)s->code_ptr = v;
-    s->code_ptr += 2;
+    uint8_t *p = s->code_ptr;
+    *(uint16_t *)p = v;
+    s->code_ptr = p + 2;
 }
 
 static inline void tcg_out32(TCGContext *s, uint32_t v)
 {
-    *(uint32_t *)s->code_ptr = v;
-    s->code_ptr += 4;
+    uint8_t *p = s->code_ptr;
+    *(uint32_t *)p = v;
+    s->code_ptr = p + 4;
+}
+
+static inline void tcg_out64(TCGContext *s, uint64_t v)
+{
+    uint8_t *p = s->code_ptr;
+    *(uint64_t *)p = v;
+    s->code_ptr = p + 8;
 }
 
 /* label relocation processing */
@@ -284,8 +293,7 @@ void tcg_prologue_init(TCGContext *s)
     s->code_buf = s->code_gen_prologue;
     s->code_ptr = s->code_buf;
     tcg_target_qemu_prologue(s);
-    flush_icache_range((tcg_target_ulong)s->code_buf,
-                       (tcg_target_ulong)s->code_ptr);
+    flush_icache_range((uintptr_t)s->code_buf, (uintptr_t)s->code_ptr);
 
 #ifdef DEBUG_DISAS
     if (qemu_loglevel_mask(CPU_LOG_TB_OUT_ASM)) {
@@ -298,8 +306,7 @@ void tcg_prologue_init(TCGContext *s)
 #endif
 }
 
-void tcg_set_frame(TCGContext *s, int reg,
-                   tcg_target_long start, tcg_target_long size)
+void tcg_set_frame(TCGContext *s, int reg, intptr_t start, intptr_t size)
 {
     s->frame_start = start;
     s->frame_end = start + size;
@@ -382,7 +389,7 @@ TCGv_i64 tcg_global_reg_new_i64(int reg, const char *name)
 }
 
 static inline int tcg_global_mem_new_internal(TCGType type, int reg,
-                                              tcg_target_long offset,
+                                              intptr_t offset,
                                               const char *name)
 {
     TCGContext *s = &tcg_ctx;
@@ -442,21 +449,15 @@ static inline int tcg_global_mem_new_internal(TCGType type, int reg,
     return idx;
 }
 
-TCGv_i32 tcg_global_mem_new_i32(int reg, tcg_target_long offset,
-                                const char *name)
+TCGv_i32 tcg_global_mem_new_i32(int reg, intptr_t offset, const char *name)
 {
-    int idx;
-
-    idx = tcg_global_mem_new_internal(TCG_TYPE_I32, reg, offset, name);
+    int idx = tcg_global_mem_new_internal(TCG_TYPE_I32, reg, offset, name);
     return MAKE_TCGV_I32(idx);
 }
 
-TCGv_i64 tcg_global_mem_new_i64(int reg, tcg_target_long offset,
-                                const char *name)
+TCGv_i64 tcg_global_mem_new_i64(int reg, intptr_t offset, const char *name)
 {
-    int idx;
-
-    idx = tcg_global_mem_new_internal(TCG_TYPE_I64, reg, offset, name);
+    int idx = tcg_global_mem_new_internal(TCG_TYPE_I64, reg, offset, name);
     return MAKE_TCGV_I64(idx);
 }
 
@@ -1243,12 +1244,13 @@ static inline void tcg_la_bb_end(TCGContext *s, uint8_t *dead_temps,
 static void tcg_liveness_analysis(TCGContext *s)
 {
     int i, op_index, nb_args, nb_iargs, nb_oargs, arg, nb_ops;
-    TCGOpcode op, op_new;
+    TCGOpcode op, op_new, op_new2;
     TCGArg *args;
     const TCGOpDef *def;
     uint8_t *dead_temps, *mem_temps;
     uint16_t dead_args;
     uint8_t sync_args;
+    bool have_op_new2;
     
     s->gen_opc_ptr++; /* skip end */
 
@@ -1385,29 +1387,52 @@ static void tcg_liveness_analysis(TCGContext *s)
             goto do_not_remove;
 
         case INDEX_op_mulu2_i32:
+            op_new = INDEX_op_mul_i32;
+            op_new2 = INDEX_op_muluh_i32;
+            have_op_new2 = TCG_TARGET_HAS_muluh_i32;
+            goto do_mul2;
         case INDEX_op_muls2_i32:
             op_new = INDEX_op_mul_i32;
+            op_new2 = INDEX_op_mulsh_i32;
+            have_op_new2 = TCG_TARGET_HAS_mulsh_i32;
             goto do_mul2;
         case INDEX_op_mulu2_i64:
+            op_new = INDEX_op_mul_i64;
+            op_new2 = INDEX_op_muluh_i64;
+            have_op_new2 = TCG_TARGET_HAS_muluh_i64;
+            goto do_mul2;
         case INDEX_op_muls2_i64:
             op_new = INDEX_op_mul_i64;
+            op_new2 = INDEX_op_mulsh_i64;
+            have_op_new2 = TCG_TARGET_HAS_mulsh_i64;
+            goto do_mul2;
         do_mul2:
             args -= 4;
             nb_iargs = 2;
             nb_oargs = 2;
-            /* Likewise, test for the high part of the operation dead.  */
             if (dead_temps[args[1]] && !mem_temps[args[1]]) {
                 if (dead_temps[args[0]] && !mem_temps[args[0]]) {
+                    /* Both parts of the operation are dead.  */
                     goto do_remove;
                 }
+                /* The high part of the operation is dead; generate the low. */
                 s->gen_opc_buf[op_index] = op = op_new;
                 args[1] = args[2];
                 args[2] = args[3];
-                assert(s->gen_opc_buf[op_index + 1] == INDEX_op_nop);
-                tcg_set_nop(s, s->gen_opc_buf + op_index + 1, args + 3, 1);
-                /* Fall through and mark the single-word operation live.  */
-                nb_oargs = 1;
+            } else if (have_op_new2 && dead_temps[args[0]]
+                       && !mem_temps[args[0]]) {
+                /* The low part of the operation is dead; generate the high.  */
+                s->gen_opc_buf[op_index] = op = op_new2;
+                args[0] = args[1];
+                args[1] = args[2];
+                args[2] = args[3];
+            } else {
+                goto do_not_remove;
             }
+            assert(s->gen_opc_buf[op_index + 1] == INDEX_op_nop);
+            tcg_set_nop(s, s->gen_opc_buf + op_index + 1, args + 3, 1);
+            /* Mark the single-word operation live.  */
+            nb_oargs = 1;
             goto do_not_remove;
 
         default:
@@ -1581,7 +1606,7 @@ static void temp_allocate_frame(TCGContext *s, int temp)
     ts->mem_offset = s->current_frame_offset;
     ts->mem_reg = s->frame_reg;
     ts->mem_allocated = 1;
-    s->current_frame_offset += (tcg_target_long)sizeof(tcg_target_long);
+    s->current_frame_offset += sizeof(tcg_target_long);
 }
 
 /* sync register 'reg' by saving it to the corresponding temporary */
@@ -2382,8 +2407,7 @@ int tcg_gen_code(TCGContext *s, uint8_t *gen_code_buf)
     tcg_gen_code_common(s, gen_code_buf, -1);
 
     /* flush instruction cache */
-    flush_icache_range((tcg_target_ulong)gen_code_buf,
-                       (tcg_target_ulong)s->code_ptr);
+    flush_icache_range((uintptr_t)gen_code_buf, (uintptr_t)s->code_ptr);
 
     return s->code_ptr -  gen_code_buf;
 }