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tcg/tci: Implement 64-bit division

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Trivially implemented like other arithmetic.
Tested via check-tcg and the ppc64 target.

Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson
2021-01-27 20:30:00 -10:00
parent 7abd007cbc
commit ae40c098ac
3 changed files with 28 additions and 14 deletions
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28
tcg/tci.c
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@@ -894,14 +894,30 @@ uintptr_t QEMU_DISABLE_CFI tcg_qemu_tb_exec(CPUArchState *env,
t2 = tci_read_ri64(regs, &tb_ptr);
tci_write_reg(regs, t0, t1 * t2);
break;
#if TCG_TARGET_HAS_div_i64
case INDEX_op_div_i64:
case INDEX_op_divu_i64:
case INDEX_op_rem_i64:
case INDEX_op_remu_i64:
TODO();
t0 = *tb_ptr++;
t1 = tci_read_ri64(regs, &tb_ptr);
t2 = tci_read_ri64(regs, &tb_ptr);
tci_write_reg(regs, t0, (int64_t)t1 / (int64_t)t2);
break;
case INDEX_op_divu_i64:
t0 = *tb_ptr++;
t1 = tci_read_ri64(regs, &tb_ptr);
t2 = tci_read_ri64(regs, &tb_ptr);
tci_write_reg(regs, t0, (uint64_t)t1 / (uint64_t)t2);
break;
case INDEX_op_rem_i64:
t0 = *tb_ptr++;
t1 = tci_read_ri64(regs, &tb_ptr);
t2 = tci_read_ri64(regs, &tb_ptr);
tci_write_reg(regs, t0, (int64_t)t1 % (int64_t)t2);
break;
case INDEX_op_remu_i64:
t0 = *tb_ptr++;
t1 = tci_read_ri64(regs, &tb_ptr);
t2 = tci_read_ri64(regs, &tb_ptr);
tci_write_reg(regs, t0, (uint64_t)t1 % (uint64_t)t2);
break;
#endif
case INDEX_op_and_i64:
t0 = *tb_ptr++;
t1 = tci_read_ri64(regs, &tb_ptr);