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[Qemu-devel] [PATCH v2 1/8] tcg: Add tcg_set_insn_param
From: |
Edgar E. Iglesias |
Subject: |
[Qemu-devel] [PATCH v2 1/8] tcg: Add tcg_set_insn_param |
Date: |
Fri, 19 Feb 2016 21:04:45 +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.
Reviewed-by: Richard Henderson <address@hidden>
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 83da5fb..00dd124 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
- [Qemu-devel] [PATCH v2 0/8] arm: Steps towards EL2 support round 6, Edgar E. Iglesias, 2016/02/19
- [Qemu-devel] [PATCH v2 1/8] tcg: Add tcg_set_insn_param,
Edgar E. Iglesias <=
- [Qemu-devel] [PATCH v2 2/8] gen-icount: Use tcg_set_insn_param, Edgar E. Iglesias, 2016/02/19
- [Qemu-devel] [PATCH v2 3/8] target-arm: Add the IL flag to syn_data_abort, Edgar E. Iglesias, 2016/02/19
- [Qemu-devel] [PATCH v2 5/8] target-arm/translate-a64.c: Use extract32 in disas_ldst_reg_imm9, Edgar E. Iglesias, 2016/02/19
- [Qemu-devel] [PATCH v2 4/8] target-arm: Add more fields to the data abort syndrome generator, Edgar E. Iglesias, 2016/02/19
- [Qemu-devel] [PATCH v2 6/8] target-arm/translate-a64.c: Unify some of the ldst_reg decoding, Edgar E. Iglesias, 2016/02/19
- [Qemu-devel] [PATCH v2 7/8] target-arm: A64: Create Instruction Syndromes for Data Aborts, Edgar E. Iglesias, 2016/02/19
- [Qemu-devel] [PATCH v2 8/8] target-arm: Use isyn.swstep.ex to hold the is_ldex state, Edgar E. Iglesias, 2016/02/19