tcg/i386: Fix %r12 guest_base initialization
When %gs cannot be used, we use register offset addressing.
This path is almost never used, so it was clearly not tested.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20200406174803.8192-1-richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
diff --git a/tcg/i386/tcg-target.inc.c b/tcg/i386/tcg-target.inc.c
index 7f61eee..ec083bd 100644
--- a/tcg/i386/tcg-target.inc.c
+++ b/tcg/i386/tcg-target.inc.c
@@ -3737,7 +3737,7 @@
} else {
/* Choose R12 because, as a base, it requires a SIB byte. */
x86_guest_base_index = TCG_REG_R12;
- tcg_out_mov(s, TCG_TYPE_PTR, x86_guest_base_index, guest_base);
+ tcg_out_movi(s, TCG_TYPE_PTR, x86_guest_base_index, guest_base);
tcg_regset_set_reg(s->reserved_regs, x86_guest_base_index);
}
}