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tcg: Pass number of arguments to tcg_emit_op() / tcg_op_insert_*()

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In order to have variable size allocated TCGOp, pass the number
of arguments we use (and would allocate) up to tcg_op_alloc().

This alters tcg_emit_op(), tcg_op_insert_before() and
tcg_op_insert_after() prototypes.

In tcg_op_alloc() ensure the number of arguments is in range.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
[PMD: Extracted from bigger patch]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221218211832.73312-2-philmd@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2022-12-18 22:18:31 +01:00 • committed by Richard Henderson
parent f266bec890
commit d44789434b
7 changed files with 39 additions and 30 deletions
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2
include/tcg/tcg-op.h
View file

@ -818,7 +818,7 @@ static inline void tcg_gen_plugin_cb_start(unsigned from, unsigned type,
static inline void tcg_gen_plugin_cb_end(void)
{
tcg_emit_op(INDEX_op_plugin_cb_end);
tcg_emit_op(INDEX_op_plugin_cb_end, 0);
}
#if TARGET_LONG_BITS == 32

8
include/tcg/tcg.h
View file

@ -1014,10 +1014,12 @@ bool tcg_op_supported(TCGOpcode op);
void tcg_gen_callN(void *func, TCGTemp *ret, int nargs, TCGTemp **args);
TCGOp *tcg_emit_op(TCGOpcode opc);
TCGOp *tcg_emit_op(TCGOpcode opc, unsigned nargs);
void tcg_op_remove(TCGContext *s, TCGOp *op);
TCGOp *tcg_op_insert_before(TCGContext *s, TCGOp *op, TCGOpcode opc);
TCGOp *tcg_op_insert_after(TCGContext *s, TCGOp *op, TCGOpcode opc);
TCGOp *tcg_op_insert_before(TCGContext *s, TCGOp *op,
TCGOpcode opc, unsigned nargs);
TCGOp *tcg_op_insert_after(TCGContext *s, TCGOp *op,
TCGOpcode opc, unsigned nargs);
/**
* tcg_remove_ops_after: