- if ((oplen > 0) && (oplen <= 64)) {
- uint32_t opsw[8] = { 0, 0, 0, 0, 0, 0, 0, 0 }; /* 8 DIRx regs: max width 64B */
- uint8_t oplenw = (oplen + 3) / 4;
- if (xtensa->target->endianness == TARGET_BIG_ENDIAN)
- buf_bswap32((uint8_t *)opsw, ops, oplenw * 4);
- else
- memcpy(opsw, ops, oplen);
+ const int max_oplen = 64; /* 8 DIRx regs: max width 64B */
+ if ((oplen > 0) && (oplen <= max_oplen)) {
+ uint8_t ops_padded[max_oplen];
+ memcpy(ops_padded, ops, oplen);
+ memset(ops_padded + oplen, 0, max_oplen - oplen);
+ unsigned int oplenw = DIV_ROUND_UP(oplen, sizeof(uint32_t));