target/i386: Use unit not type in decode_modrm

Rather that enumerating the types that can produce
MMX operands, examine the unit.  No functional change.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Link: https://lore.kernel.org/r/20240812025844.58956-3-richard.henderson@linaro.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
1 file changed