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[PULL,39/39] tcg/tci: Support TCG_COND_TST{EQ,NE}

Message ID 20240204214052.5639-40-richard.henderson@linaro.org
State New
Headers show
Series [PULL,01/39] tcg: Introduce TCG_COND_TST{EQ,NE} | expand

Commit Message

Richard Henderson Feb. 4, 2024, 9:40 p.m. UTC 
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 tcg/tci/tcg-target.h |  2 +-
 tcg/tci.c            | 14 ++++++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)
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Patch

diff --git a/tcg/tci/tcg-target.h b/tcg/tci/tcg-target.h
index 609b2f4e4a..a076f401d2 100644
--- a/tcg/tci/tcg-target.h
+++ b/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
diff --git a/tcg/tci.c b/tcg/tci.c
index 3cc851b7bd..39adcb7d82 100644
--- a/tcg/tci.c
+++ b/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));