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[PULL,07/68] tcg: Add type and flags arguments to tcg_op_supported

Message ID 20250117182456.2077110-8-richard.henderson@linaro.org
State New
Headers show
Series [PULL,01/68] disas/riscv: Guard dec->cfg dereference for host disassemble | expand

Commit Message

Richard Henderson Jan. 17, 2025, 6:23 p.m. UTC 
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 include/tcg/tcg.h |  7 ++++++-
 tcg/tcg.c         | 11 +++++++----
 2 files changed, 13 insertions(+), 5 deletions(-)
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Patch

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 */