target/i386: reg in gen_ldst_modrm is always OR_TMP0

Values other than OR_TMP0 were only ever used by MOV and MOVNTI
opcodes.  Now that these have been converted to the new decoder,
remove the argument.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
1 file changed