From: Richard Henderson <richard.henderson@linaro.org>
Date: Wed, 25 Dec 2024 00:51:36 +0000 (-0800)
Subject: tcg: Add type and flags arguments to tcg_op_supported
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=771a5925e8142550d9469b1ed394b63bab021b15;p=qemu.git

tcg: Add type and flags arguments to tcg_op_supported

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---

diff --git a/include/tcg/tcg.h b/include/tcg/tcg.h
index 238c55c9ac..ac0a080b15 100644
--- a/include/tcg/tcg.h
+++ b/include/tcg/tcg.h
@@ -834,7 +834,12 @@ typedef struct TCGTargetOpDef {
     const char *args_ct_str[TCG_MAX_OP_ARGS];
 } TCGTargetOpDef;
 
-bool tcg_op_supported(TCGOpcode op);
+/*
+ * tcg_op_supported:
+ * Query if @op, for @type and @flags, is supported by the host
+ * on which we are currently executing.
+ */
+bool tcg_op_supported(TCGOpcode op, TCGType type, unsigned flags);
 
 void tcg_gen_call0(void *func, TCGHelperInfo *, TCGTemp *ret);
 void tcg_gen_call1(void *func, TCGHelperInfo *, TCGTemp *ret, TCGTemp *);
diff --git a/tcg/tcg.c b/tcg/tcg.c
index f2bbff8079..43293ca255 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -1931,9 +1931,11 @@ TCGTemp *tcgv_i32_temp(TCGv_i32 v)
 }
 #endif /* CONFIG_DEBUG_TCG */
 
-/* Return true if OP may appear in the opcode stream.
-   Test the runtime variable that controls each opcode.  */
-bool tcg_op_supported(TCGOpcode op)
+/*
+ * Return true if OP may appear in the opcode stream with TYPE.
+ * Test the runtime variable that controls each opcode.
+ */
+bool tcg_op_supported(TCGOpcode op, TCGType type, unsigned flags)
 {
     const bool have_vec
         = TCG_TARGET_HAS_v64 | TCG_TARGET_HAS_v128 | TCG_TARGET_HAS_v256;
@@ -6243,7 +6245,8 @@ int tcg_gen_code(TCGContext *s, TranslationBlock *tb, uint64_t pc_start)
             /* fall through */
         default:
             /* Sanity check that we've not introduced any unhandled opcodes. */
-            tcg_debug_assert(tcg_op_supported(opc));
+            tcg_debug_assert(tcg_op_supported(opc, TCGOP_TYPE(op),
+                                              TCGOP_FLAGS(op)));
             /* Note: in order to speed up the code, it would be much
                faster to have specialized register allocator functions for
                some common argument patterns */