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[Qemu-devel] [PULL 11/12] tcg: Introduce tcg_set_insn_start_param
From: |
Peter Maydell |
Subject: |
[Qemu-devel] [PULL 11/12] tcg: Introduce tcg_set_insn_start_param |
Date: |
Tue, 10 Apr 2018 13:17:23 +0100 |
From: Richard Henderson <address@hidden>
The parameters for tcg_gen_insn_start are target_ulong, which may be split
into two TCGArg parameters for storage in the opcode on 32-bit hosts.
Fixes the ARM target and its direct use of tcg_set_insn_param, which would
set the wrong argument in the 64-on-32 case.
Cc: address@hidden
Reported-by: address@hidden
Signed-off-by: Richard Henderson <address@hidden>
Message-id: address@hidden
Reviewed-by: Peter Maydell <address@hidden>
Signed-off-by: Peter Maydell <address@hidden>
---
target/arm/translate.h | 2 +-
tcg/tcg.h | 10 ++++++++++
2 files changed, 11 insertions(+), 1 deletion(-)
diff --git a/target/arm/translate.h b/target/arm/translate.h
index c47febf99d..4428c98e2e 100644
--- a/target/arm/translate.h
+++ b/target/arm/translate.h
@@ -120,7 +120,7 @@ static inline void disas_set_insn_syndrome(DisasContext *s,
uint32_t syn)
/* We check and clear insn_start_idx to catch multiple updates. */
assert(s->insn_start != NULL);
- tcg_set_insn_param(s->insn_start, 2, syn);
+ tcg_set_insn_start_param(s->insn_start, 2, syn);
s->insn_start = NULL;
}
diff --git a/tcg/tcg.h b/tcg/tcg.h
index 9e2d909a4a..30896ca304 100644
--- a/tcg/tcg.h
+++ b/tcg/tcg.h
@@ -825,6 +825,16 @@ static inline void tcg_set_insn_param(TCGOp *op, int arg,
TCGArg v)
op->args[arg] = v;
}
+static inline void tcg_set_insn_start_param(TCGOp *op, int arg, target_ulong v)
+{
+#if TARGET_LONG_BITS <= TCG_TARGET_REG_BITS
+ tcg_set_insn_param(op, arg, v);
+#else
+ tcg_set_insn_param(op, arg * 2, v);
+ tcg_set_insn_param(op, arg * 2 + 1, v >> 32);
+#endif
+}
+
/* The last op that was emitted. */
static inline TCGOp *tcg_last_op(void)
{
--
2.16.2
- [Qemu-devel] [PULL 00/12] target-arm queue, Peter Maydell, 2018/04/10
- [Qemu-devel] [PULL 10/12] linux-user/signal.c: Ensure AArch64 signal frame isn't too small, Peter Maydell, 2018/04/10
- [Qemu-devel] [PULL 12/12] fpu: Fix rounding mode for floatN_to_uintM_round_to_zero, Peter Maydell, 2018/04/10
- [Qemu-devel] [PULL 09/12] cpus.c: ensure running CPU recalculates icount deadlines on timer expiry, Peter Maydell, 2018/04/10
- [Qemu-devel] [PULL 11/12] tcg: Introduce tcg_set_insn_start_param,
Peter Maydell <=
- [Qemu-devel] [PULL 01/12] hw/arm: Allow manually specified /psci node, Peter Maydell, 2018/04/10
- [Qemu-devel] [PULL 08/12] target/arm: Report unsupported MPU region sizes more clearly, Peter Maydell, 2018/04/10
- [Qemu-devel] [PULL 03/12] target-arm: Check undefined opcodes for SWP in A32 decoder, Peter Maydell, 2018/04/10
- [Qemu-devel] [PULL 05/12] hw/sd/bcm2835_sdhost: Don't raise spurious interrupts, Peter Maydell, 2018/04/10
- [Qemu-devel] [PULL 04/12] hw/sd/bcm2835_sdhost: Add tracepoints, Peter Maydell, 2018/04/10
- [Qemu-devel] [PULL 07/12] hw/arm/fsl-imx: Fix introspection problem with fsl-imx6 and fsl-imx7, Peter Maydell, 2018/04/10
- [Qemu-devel] [PULL 02/12] hw/arm/integratorcp: Don't do things that could be fatal in the instance_init, Peter Maydell, 2018/04/10
- [Qemu-devel] [PULL 06/12] hw/arm/allwinner-a10: Do not use nd_table in instance_init function, Peter Maydell, 2018/04/10
- Re: [Qemu-devel] [PULL 00/12] target-arm queue, Peter Maydell, 2018/04/10