* [PATCH] tcg/tci: Implement INDEX_op_ld16s_i32
@ 2021-01-28 2:50 Stefan Weil
0 siblings, 0 replies; 2+ messages in thread
From: Stefan Weil @ 2021-01-28 2:50 UTC (permalink / raw)
To: Richard Henderson; +Cc: Stefan Weil, Alex Bennée, qemu-devel
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>
---
tcg/tci.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/tcg/tci.c b/tcg/tci.c
index 63d79dac87..615423b06c 100644
--- a/tcg/tci.c
+++ b/tcg/tci.c
@@ -621,7 +621,10 @@ uintptr_t QEMU_DISABLE_CFI tcg_qemu_tb_exec(CPUArchState *env,
tci_write_reg16(regs, t0, *(uint16_t *)(t1 + t2));
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++;
--
2.29.2
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH] tcg/tci: Implement INDEX_op_ld16s_i32
@ 2021-01-28 2:48 Stefan Weil
0 siblings, 0 replies; 2+ messages in thread
From: Stefan Weil @ 2021-01-28 2:48 UTC (permalink / raw)
To: Richard Henderson; +Cc: Stefan Weil, Alex Bennée, qemu-devel
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>
---
tcg/tci.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/tcg/tci.c b/tcg/tci.c
index 63d79dac87..615423b06c 100644
--- a/tcg/tci.c
+++ b/tcg/tci.c
@@ -621,7 +621,10 @@ uintptr_t QEMU_DISABLE_CFI tcg_qemu_tb_exec(CPUArchState *env,
tci_write_reg16(regs, t0, *(uint16_t *)(t1 + t2));
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++;
--
2.29.2
^ permalink raw reply related [flat|nested] 2+ messages in thread
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