Switch MIPS clo/clz and the condition tests to TCG.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4507 c046a42c-6fe2-441c-8c8c-71466251a162

Switch MIPS clo/clz and the condition tests to TCG.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4507 c046a42c-6fe2-441c-8c8c-71466251a162
ths
1 parent 20c4c97c
Showing 4 changed files with 80 additions and 74 deletions
target-mips/helper.h
target-mips/op.c
target-mips/op_helper.c
target-mips/translate.c
 void do_raise_exception_err(int excp, int err);
 void do_raise_exception(int excp);
 void do_interrupt_restart (void);
+
+void do_clo (void);
+void do_clz (void);
+void do_dclo (void);
+void do_dclz (void);
@@ -167,51 +167,6 @@
 #undef MEMSUFFIX
 #endif
-/* Logical */
-void op_clo (void)
-{
-    T0 = clo32(T0);
-    FORCE_RET();
-}
-
-void op_clz (void)
-{
-    T0 = clz32(T0);
-    FORCE_RET();
-}
-
-#if defined(TARGET_MIPS64)
-
-#if TARGET_LONG_BITS > HOST_LONG_BITS
-/* Those might call libgcc functions.  */
-void op_dclo (void)
-{
-    CALL_FROM_TB0(do_dclo);
-    FORCE_RET();
-}
-
-void op_dclz (void)
-{
-    CALL_FROM_TB0(do_dclz);
-    FORCE_RET();
-}
-
-#else /* TARGET_LONG_BITS > HOST_LONG_BITS */
-
-void op_dclo (void)
-{
-    T0 = clo64(T0);
-    FORCE_RET();
-}
-
-void op_dclz (void)
-{
-    T0 = clz64(T0);
-    FORCE_RET();
-}
-#endif /* TARGET_LONG_BITS > HOST_LONG_BITS */
-#endif /* TARGET_MIPS64 */
-
 /* 64 bits arithmetic */
 #if TARGET_LONG_BITS > HOST_LONG_BITS
 void op_mult (void)
@@ -524,29 +479,6 @@ void op_movt (void)
     FORCE_RET();
 }
-/* Tests */
-#define OP_COND(name, cond) \
-void glue(op_, name) (void) \
-{                           \
-    if (cond) {             \
-        T0 = 1;             \
-    } else {                \
-        T0 = 0;             \
-    }                       \
-    FORCE_RET();            \
-}
-
-OP_COND(eq, T0 == T1);
-OP_COND(ne, T0 != T1);
-OP_COND(ge, (target_long)T0 >= (target_long)T1);
-OP_COND(geu, T0 >= T1);
-OP_COND(lt, (target_long)T0 < (target_long)T1);
-OP_COND(ltu, T0 < T1);
-OP_COND(gez, (target_long)T0 >= 0);
-OP_COND(gtz, (target_long)T0 > 0);
-OP_COND(lez, (target_long)T0 <= 0);
-OP_COND(ltz, (target_long)T0 < 0);
-
 /* Branches */
 /* Branch to register */
 void op_save_breg_target (void)
@@ -71,6 +71,16 @@ void do_restore_state (void *pc_ptr)
     }
 }
+void do_clo (void)
+{
+    T0 = clo32(T0);
+}
+
+void do_clz (void)
+{
+    T0 = clz32(T0);
+}
+
 #if defined(TARGET_MIPS64)
 #if TARGET_LONG_BITS > HOST_LONG_BITS
 /* Those might call libgcc functions.  */
@@ -655,6 +655,65 @@ FOP_CONDS(abs, s)
 FOP_CONDS(, ps)
 FOP_CONDS(abs, ps)
+/* Tests */
+#define OP_COND(name, cond)                                   \
+void glue(gen_op_, name) (void)                               \
+{                                                             \
+    int l1 = gen_new_label();                                 \
+    int l2 = gen_new_label();                                 \
+                                                              \
+    tcg_gen_brcond_tl(cond, cpu_T[0], cpu_T[1], l1);          \
+    gen_op_set_T0(0);                                         \
+    tcg_gen_br(l2);                                           \
+    gen_set_label(l1);                                        \
+    gen_op_set_T0(1);                                         \
+    gen_set_label(l2);                                        \
+}
+OP_COND(eq, TCG_COND_EQ);
+OP_COND(ne, TCG_COND_NE);
+OP_COND(ge, TCG_COND_GE);
+OP_COND(geu, TCG_COND_GEU);
+OP_COND(lt, TCG_COND_LT);
+OP_COND(ltu, TCG_COND_LTU);
+#undef OP_COND
+
+#define OP_CONDI(name, cond)                                  \
+void glue(gen_op_, name) (target_ulong val)                   \
+{                                                             \
+    int l1 = gen_new_label();                                 \
+    int l2 = gen_new_label();                                 \
+                                                              \
+    tcg_gen_brcond_tl(cond, cpu_T[0], tcg_const_tl(val), l1); \
+    gen_op_set_T0(0);                                         \
+    tcg_gen_br(l2);                                           \
+    gen_set_label(l1);                                        \
+    gen_op_set_T0(1);                                         \
+    gen_set_label(l2);                                        \
+}
+OP_CONDI(lti, TCG_COND_LT);
+OP_CONDI(ltiu, TCG_COND_LTU);
+#undef OP_CONDI
+
+#define OP_CONDZ(name, cond)                                  \
+void glue(gen_op_, name) (void)                               \
+{                                                             \
+    int l1 = gen_new_label();                                 \
+    int l2 = gen_new_label();                                 \
+                                                              \
+    tcg_gen_brcond_tl(cond, cpu_T[0], tcg_const_tl(0), l1);   \
+    gen_op_set_T0(0);                                         \
+    tcg_gen_br(l2);                                           \
+    gen_set_label(l1);                                        \
+    gen_op_set_T0(1);                                         \
+    gen_set_label(l2);                                        \
+}
+OP_CONDZ(gez, TCG_COND_GE);
+OP_CONDZ(gtz, TCG_COND_GT);
+OP_CONDZ(lez, TCG_COND_LE);
+OP_CONDZ(ltz, TCG_COND_LT);
+#undef OP_CONDZ
+
+
 typedef struct DisasContext {
     struct TranslationBlock *tb;
     target_ulong pc, saved_pc;
@@ -1375,11 +1434,11 @@ static void gen_arith_imm (CPUState *env, DisasContext *ctx, uint32_t opc,
         break;
 #endif
     case OPC_SLTI:
-        gen_op_lt();
+        gen_op_lti(uimm);
         opn = "slti";
         break;
     case OPC_SLTIU:
-        gen_op_ltu();
+        gen_op_ltiu(uimm);
         opn = "sltiu";
         break;
     case OPC_ANDI:
@@ -2160,20 +2219,20 @@ static void gen_cl (DisasContext *ctx, uint32_t opc,
     GEN_LOAD_REG_T0(rs);
     switch (opc) {
     case OPC_CLO:
-        gen_op_clo();
+        tcg_gen_helper_0_0(do_clo);
         opn = "clo";
         break;
     case OPC_CLZ:
-        gen_op_clz();
+        tcg_gen_helper_0_0(do_clz);
         opn = "clz";
         break;
 #if defined(TARGET_MIPS64)
     case OPC_DCLO:
-        gen_op_dclo();
+        tcg_gen_helper_0_0(do_dclo);
         opn = "dclo";
         break;
     case OPC_DCLZ:
-        gen_op_dclz();
+        tcg_gen_helper_0_0(do_dclz);
         opn = "dclz";
         break;
 #endif