int rve; /* Generate RVE code. */
int relax; /* Emit relocs the linker is allowed to relax. */
int arch_attr; /* Emit arch attribute. */
+ int csr_check; /* Enable the CSR checking. */
};
static struct riscv_set_options riscv_opts =
0, /* rve */
1, /* relax */
DEFAULT_RISCV_ATTR, /* arch_attr */
+ 0. /* csr_check */
};
static void
if (riscv_opts.rve && class == RCLASS_GPR && DECODE_REG_NUM (r) > 15)
return -1;
- if (class == RCLASS_CSR && !reg_csr_lookup_internal (s))
+ if (class == RCLASS_CSR
+ && riscv_opts.csr_check
+ && !reg_csr_lookup_internal (s))
return -1;
return DECODE_REG_NUM (r);
OPTION_NO_RELAX,
OPTION_ARCH_ATTR,
OPTION_NO_ARCH_ATTR,
+ OPTION_CSR_CHECK,
+ OPTION_NO_CSR_CHECK,
OPTION_END_OF_ENUM
};
{"mno-relax", no_argument, NULL, OPTION_NO_RELAX},
{"march-attr", no_argument, NULL, OPTION_ARCH_ATTR},
{"mno-arch-attr", no_argument, NULL, OPTION_NO_ARCH_ATTR},
+ {"mcsr-check", no_argument, NULL, OPTION_CSR_CHECK},
+ {"mno-csr-check", no_argument, NULL, OPTION_NO_CSR_CHECK},
{NULL, no_argument, NULL, 0}
};
riscv_opts.arch_attr = FALSE;
break;
+ case OPTION_CSR_CHECK:
+ riscv_opts.csr_check = TRUE;
+ break;
+
+ case OPTION_NO_CSR_CHECK:
+ riscv_opts.csr_check = FALSE;
+ break;
+
default:
return 0;
}
riscv_opts.relax = TRUE;
else if (strcmp (name, "norelax") == 0)
riscv_opts.relax = FALSE;
+ else if (strcmp (name, "csr-check") == 0)
+ riscv_opts.csr_check = TRUE;
+ else if (strcmp (name, "no-csr-check") == 0)
+ riscv_opts.csr_check = FALSE;
else if (strcmp (name, "push") == 0)
{
struct riscv_option_stack *s;