diff options
Diffstat (limited to 'gas/config')
| -rw-r--r-- | gas/config/tc-csky.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/gas/config/tc-csky.c b/gas/config/tc-csky.c index d56bcc2..49a52d4 100644 --- a/gas/config/tc-csky.c +++ b/gas/config/tc-csky.c @@ -272,6 +272,7 @@ struct csky_insn_info struct csky_macro_info *macro; /* Insn size for check_literal. */ unsigned int isize; + unsigned int last_isize; /* Max size of insn for relax frag_var. */ unsigned int max; /* Indicates which element is in csky_opcode_info op[] array. */ @@ -4145,6 +4146,7 @@ md_assemble (char *str) check_literals (csky_insn.opcode->transfer, csky_insn.max); } + csky_insn.last_isize = csky_insn.isize; insn_reloc = BFD_RELOC_NONE; } @@ -6900,7 +6902,8 @@ dsp_work_bloop (void) csky_insn.inst = csky_insn.opcode->op32[0].opcode | (reg << 16); csky_insn.isize = 4; - if (csky_insn.e1.X_op == O_symbol + if (csky_insn.number == 3 + && csky_insn.e1.X_op == O_symbol && csky_insn.e2.X_op == O_symbol) { fix_new_exp (frag_now, csky_insn.output - frag_now->fr_literal, @@ -6910,6 +6913,23 @@ dsp_work_bloop (void) 4, &csky_insn.e2, 1, BFD_RELOC_CKCORE_PCREL_BLOOP_IMM4BY4); } + else if (csky_insn.number == 2 + && csky_insn.e1.X_op == O_symbol) + { + fix_new_exp (frag_now, csky_insn.output-frag_now->fr_literal, + 4, &csky_insn.e1, 1, + BFD_RELOC_CKCORE_PCREL_BLOOP_IMM12BY4); + if (csky_insn.last_isize == 2) + csky_insn.inst |= (0xf << 12); + else if (csky_insn.last_isize != 0) + csky_insn.inst |= (0xe << 12); + else + { + void *arg = (void *)"bloop can not be the first instruction"\ + "when the end label is not specified.\n"; + csky_show_error (ERROR_UNDEFINE, 0, arg, NULL); + } + } csky_write_insn (csky_insn.output, csky_insn.inst, csky_insn.isize); return TRUE; |