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tcg: Add tcg_set_insn_param

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Add tcg_set_insn_param as a mechanism to modify an insn
parameter after emiting the insn. This is useful for icount
and also for embedding fault information for a specific insn.

Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 1461931684-1867-2-git-send-email-edgar.iglesias@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Edgar E. Iglesias 2016-05-12 13:22:26 +01:00 committed by Peter Maydell
parent dddb522341
commit 1d41478fd4
1 changed files with 6 additions and 0 deletions
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6
tcg/tcg.h
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@ -595,6 +595,12 @@ struct TCGContext {
extern TCGContext tcg_ctx;
static inline void tcg_set_insn_param(int op_idx, int arg, TCGArg v)
{
int op_argi = tcg_ctx.gen_op_buf[op_idx].args;
tcg_ctx.gen_opparam_buf[op_argi + arg] = v;
}
/* The number of opcodes emitted so far. */
static inline int tcg_op_buf_count(void)
{