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[PATCH 04/23] tcg/tci: Implement INDEX_op_ld16s_i32
From: |
Richard Henderson |
Subject: |
[PATCH 04/23] tcg/tci: Implement INDEX_op_ld16s_i32 |
Date: |
Wed, 27 Jan 2021 22:23:12 -1000 |
From: Stefan Weil <sw@weilnetz.de>
That TCG opcode is used by debian-buster (arm64) running ffmpeg:
qemu-aarch64 /usr/bin/ffmpeg -i theora.mkv theora.webm
Reported-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Message-Id: <20210128024814.2056958-1-sw@weilnetz.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
tcg/tci.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/tcg/tci.c b/tcg/tci.c
index 2311aa7d3a..2edb47506e 100644
--- a/tcg/tci.c
+++ b/tcg/tci.c
@@ -614,7 +614,10 @@ uintptr_t QEMU_DISABLE_CFI tcg_qemu_tb_exec(CPUArchState
*env,
TODO();
break;
case INDEX_op_ld16s_i32:
- TODO();
+ t0 = *tb_ptr++;
+ t1 = tci_read_r(regs, &tb_ptr);
+ t2 = tci_read_s32(&tb_ptr);
+ tci_write_reg(regs, t0, *(int16_t *)(t1 + t2));
break;
case INDEX_op_ld_i32:
t0 = *tb_ptr++;
--
2.25.1
- [PATCH 00/23] TCI fixes and cleanups, Richard Henderson, 2021/01/28
- [PATCH 01/23] configure: Fix --enable-tcg-interpreter, Richard Henderson, 2021/01/28
- [PATCH 03/23] exec: Make tci_tb_ptr thread-local, Richard Henderson, 2021/01/28
- [PATCH 04/23] tcg/tci: Implement INDEX_op_ld16s_i32,
Richard Henderson <=
- [PATCH 02/23] tcg: Manage splitwx in tc_ptr_to_region_tree by hand, Richard Henderson, 2021/01/28
- [PATCH 06/23] tcg/tci: Inline tci_write_reg32s into the only caller, Richard Henderson, 2021/01/28
- [PATCH 07/23] tcg/tci: Inline tci_write_reg8 into its callers, Richard Henderson, 2021/01/28
- [PATCH 05/23] tcg/tci: Implement INDEX_op_ld8s_i64, Richard Henderson, 2021/01/28