disas/nanomips: Tidy read for 48-bit opcodes

There is no point in looking for a 48-bit opcode if we've
not read the second word for a 32-bit opcode.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221106023735.5277-5-richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2022-11-06 13:37:33 +11:00 committed by Philippe Mathieu-Daudé
parent 1414e3f565
commit bb3daca71b

View file

@ -21964,14 +21964,14 @@ int print_insn_nanomips(bfd_vma memaddr, struct disassemble_info *info)
return -1;
}
length = 4;
}
/* Handle 48-bit opcodes. */
if ((words[0] >> 10) == 0x18) {
if (!read_u16(&words[1], memaddr + 4, info)) {
return -1;
/* Handle 48-bit opcodes. */
if ((words[0] >> 10) == 0x18) {
if (!read_u16(&words[1], memaddr + 4, info)) {
return -1;
}
length = 6;
}
length = 6;
}
for (int i = 0; i < ARRAY_SIZE(words); i++) {