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[Qemu-devel] [RFC 1/2] tcg: Add tcg_set_insn_param
From: |
Edgar E. Iglesias |
Subject: |
[Qemu-devel] [RFC 1/2] tcg: Add tcg_set_insn_param |
Date: |
Fri, 8 Jan 2016 17:25:55 +0100 |
From: "Edgar E. Iglesias" <address@hidden>
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.
Signed-off-by: Edgar E. Iglesias <address@hidden>
---
tcg/tcg.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/tcg/tcg.h b/tcg/tcg.h
index a696922..9f2f4b8 100644
--- a/tcg/tcg.h
+++ b/tcg/tcg.h
@@ -585,6 +585,12 @@ 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)
{
--
1.9.1