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tcg/tci: Implement INDEX_op_ld8s_i64

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That TCG opcode is used by debian-buster (arm64) running ffmpeg:

    qemu-aarch64 /usr/bin/ffmpeg -i theora.mkv theora.webm

Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reported-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Message-Id: <20210128020425.2055454-1-sw@weilnetz.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Stefan Weil 2021-01-28 03:04:25 +01:00 committed by Richard Henderson
parent 49a5a75f3e
commit cbec0754be
1 changed files with 4 additions and 1 deletions
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5
tcg/tci.c
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@ -883,7 +883,10 @@ uintptr_t QEMU_DISABLE_CFI tcg_qemu_tb_exec(CPUArchState *env,
tci_write_reg8(regs, t0, *(uint8_t *)(t1 + t2));
break;
case INDEX_op_ld8s_i64:
TODO();
t0 = *tb_ptr++;
t1 = tci_read_r(regs, &tb_ptr);
t2 = tci_read_s32(&tb_ptr);
tci_write_reg(regs, t0, *(int8_t *)(t1 + t2));
break;
case INDEX_op_ld16u_i64:
t0 = *tb_ptr++;