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Эх сурвалжийг харах

tcg/tci: Support TCG_COND_TST{EQ,NE}

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson 1 жил өмнө
parent
commit
23c5692abc
2 өөрчлөгдсөн 15 нэмэгдсэн , 1 устгасан
  1. 14 0
      tcg/tci.c
  2. 1 1
      tcg/tci/tcg-target.h

+ 14 - 0
tcg/tci.c

@@ -228,6 +228,12 @@ static bool tci_compare32(uint32_t u0, uint32_t u1, TCGCond condition)
     case TCG_COND_GTU:
         result = (u0 > u1);
         break;
+    case TCG_COND_TSTEQ:
+        result = (u0 & u1) == 0;
+        break;
+    case TCG_COND_TSTNE:
+        result = (u0 & u1) != 0;
+        break;
     default:
         g_assert_not_reached();
     }
@@ -270,6 +276,12 @@ static bool tci_compare64(uint64_t u0, uint64_t u1, TCGCond condition)
     case TCG_COND_GTU:
         result = (u0 > u1);
         break;
+    case TCG_COND_TSTEQ:
+        result = (u0 & u1) == 0;
+        break;
+    case TCG_COND_TSTNE:
+        result = (u0 & u1) != 0;
+        break;
     default:
         g_assert_not_reached();
     }
@@ -1041,6 +1053,8 @@ static const char *str_c(TCGCond c)
         [TCG_COND_GEU] = "geu",
         [TCG_COND_LEU] = "leu",
         [TCG_COND_GTU] = "gtu",
+        [TCG_COND_TSTEQ] = "tsteq",
+        [TCG_COND_TSTNE] = "tstne",
     };
 
     assert((unsigned)c < ARRAY_SIZE(cond));

+ 1 - 1
tcg/tci/tcg-target.h

@@ -117,7 +117,7 @@
 
 #define TCG_TARGET_HAS_qemu_ldst_i128   0
 
-#define TCG_TARGET_HAS_tst              0
+#define TCG_TARGET_HAS_tst              1
 
 /* Number of registers available. */
 #define TCG_TARGET_NB_REGS 16