diff options
Diffstat (limited to 'gas')
| -rw-r--r-- | gas/ChangeLog | 7 | ||||
| -rw-r--r-- | gas/config/tc-mips.c | 282 |
2 files changed, 52 insertions, 237 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index 01621747154..353474f0da0 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,5 +1,12 @@ 2013-07-14 Richard Sandiford <rdsandiford@googlemail.com> + * config/tc-mips.c (insn_insert_operand): New function. + (macro_build, mips16_macro_build): Put null character check + in the for loop and convert continues to breaks. Use operand + structures to handle constant operands. + +2013-07-14 Richard Sandiford <rdsandiford@googlemail.com> + * config/tc-mips.c (validate_mips_insn): Move further up file. Add insn_bits and decode_operand arguments. Use the mips_operand fields to work out which bits an operand occupies. Detect double diff --git a/gas/config/tc-mips.c b/gas/config/tc-mips.c index 6bb44c571b6..2a33f421379 100644 --- a/gas/config/tc-mips.c +++ b/gas/config/tc-mips.c @@ -2044,6 +2044,15 @@ create_insn (struct mips_cl_insn *insn, const struct mips_opcode *mo) insn->cleared_p = 0; } +/* Install UVAL as the value of OPERAND in INSN. */ + +static inline void +insn_insert_operand (struct mips_cl_insn *insn, + const struct mips_operand *operand, unsigned int uval) +{ + insn->insn_opcode = mips_insert_operand (operand, insn->insn_opcode, uval); +} + /* Record the current MIPS16/microMIPS mode in now_seg. */ static void @@ -5401,9 +5410,11 @@ macro_build (expressionS *ep, const char *name, const char *fmt, ...) const struct mips_opcode *mo = NULL; bfd_reloc_code_real_type r[3]; const struct mips_opcode *amo; + const struct mips_operand *operand; struct hash_control *hash; struct mips_cl_insn insn; va_list args; + unsigned int uval; va_start (args, fmt); @@ -5453,152 +5464,15 @@ macro_build (expressionS *ep, const char *name, const char *fmt, ...) gas_assert (mo); create_insn (&insn, mo); - for (;;) + for (; *fmt; ++fmt) { - switch (*fmt++) + switch (*fmt) { - case '\0': - break; - case ',': case '(': case ')': - continue; - - case '+': - switch (*fmt++) - { - case 'A': - case 'E': - INSERT_OPERAND (mips_opts.micromips, - EXTLSB, insn, va_arg (args, int)); - continue; - - case 'B': - case 'F': - /* Note that in the macro case, these arguments are already - in MSB form. (When handling the instruction in the - non-macro case, these arguments are sizes from which - MSB values must be calculated.) */ - INSERT_OPERAND (mips_opts.micromips, - INSMSB, insn, va_arg (args, int)); - continue; - - case 'J': - gas_assert (!mips_opts.micromips); - INSERT_OPERAND (0, CODE10, insn, va_arg (args, int)); - continue; - - case 'C': - case 'G': - case 'H': - /* Note that in the macro case, these arguments are already - in MSBD form. (When handling the instruction in the - non-macro case, these arguments are sizes from which - MSBD values must be calculated.) */ - INSERT_OPERAND (mips_opts.micromips, - EXTMSBD, insn, va_arg (args, int)); - continue; - - case 'Q': - gas_assert (!mips_opts.micromips); - INSERT_OPERAND (0, SEQI, insn, va_arg (args, int)); - continue; - - case 'j': - INSERT_OPERAND (mips_opts.micromips, EVAOFFSET, insn, va_arg (args, int)); - continue; - - default: - abort (); - } - continue; - - case '2': - INSERT_OPERAND (mips_opts.micromips, BP, insn, va_arg (args, int)); - continue; - - case 'n': - gas_assert (mips_opts.micromips); - case 't': - case 'w': - case 'E': - INSERT_OPERAND (mips_opts.micromips, RT, insn, va_arg (args, int)); - continue; - - case 'c': - INSERT_OPERAND (mips_opts.micromips, CODE, insn, va_arg (args, int)); - continue; - - case 'W': - gas_assert (!mips_opts.micromips); - case 'T': - INSERT_OPERAND (mips_opts.micromips, FT, insn, va_arg (args, int)); - continue; - - case 'G': - if (mips_opts.micromips) - INSERT_OPERAND (1, RS, insn, va_arg (args, int)); - else - INSERT_OPERAND (0, RD, insn, va_arg (args, int)); - continue; - - case 'K': - gas_assert (!mips_opts.micromips); - case 'd': - INSERT_OPERAND (mips_opts.micromips, RD, insn, va_arg (args, int)); - continue; - - case 'U': - gas_assert (!mips_opts.micromips); - { - int tmp = va_arg (args, int); - - INSERT_OPERAND (0, RT, insn, tmp); - INSERT_OPERAND (0, RD, insn, tmp); - } - continue; - - case 'V': - case 'S': - gas_assert (!mips_opts.micromips); - INSERT_OPERAND (0, FS, insn, va_arg (args, int)); - continue; - case 'z': - continue; - - case '<': - INSERT_OPERAND (mips_opts.micromips, - SHAMT, insn, va_arg (args, int)); - continue; - - case 'D': - gas_assert (!mips_opts.micromips); - INSERT_OPERAND (0, FD, insn, va_arg (args, int)); - continue; - - case 'B': - gas_assert (!mips_opts.micromips); - INSERT_OPERAND (0, CODE20, insn, va_arg (args, int)); - continue; - - case 'J': - gas_assert (!mips_opts.micromips); - INSERT_OPERAND (0, CODE19, insn, va_arg (args, int)); - continue; - - case 'q': - gas_assert (!mips_opts.micromips); - INSERT_OPERAND (0, CODE2, insn, va_arg (args, int)); - continue; - - case 'b': - case 's': - case 'r': - case 'v': - INSERT_OPERAND (mips_opts.micromips, RS, insn, va_arg (args, int)); - continue; + break; case 'i': case 'j': @@ -5608,11 +5482,11 @@ macro_build (expressionS *ep, const char *name, const char *fmt, ...) || *r == BFD_RELOC_HI16_S || *r == BFD_RELOC_LO16 || *r == BFD_RELOC_MIPS_GOT_OFST); - continue; + break; case 'o': macro_read_relocs (&args, r); - continue; + break; case 'u': macro_read_relocs (&args, r); @@ -5625,7 +5499,7 @@ macro_build (expressionS *ep, const char *name, const char *fmt, ...) || *r == BFD_RELOC_GPREL16 || *r == BFD_RELOC_MIPS_GOT_HI16 || *r == BFD_RELOC_MIPS_CALL_HI16)))); - continue; + break; case 'p': gas_assert (ep != NULL); @@ -5654,73 +5528,29 @@ macro_build (expressionS *ep, const char *name, const char *fmt, ...) } else *r = BFD_RELOC_16_PCREL_S2; - continue; + break; case 'a': gas_assert (ep != NULL); *r = BFD_RELOC_MIPS_JMP; - continue; - - case 'C': - gas_assert (!mips_opts.micromips); - INSERT_OPERAND (0, COPZ, insn, va_arg (args, int)); - continue; - - case 'k': - INSERT_OPERAND (mips_opts.micromips, - CACHE, insn, va_arg (args, int)); - continue; - - case '|': - gas_assert (mips_opts.micromips); - INSERT_OPERAND (1, TRAP, insn, va_arg (args, int)); - continue; - - case '.': - gas_assert (mips_opts.micromips); - INSERT_OPERAND (1, OFFSET10, insn, va_arg (args, int)); - continue; - - case '\\': - INSERT_OPERAND (mips_opts.micromips, - 3BITPOS, insn, va_arg (args, int)); - continue; - - case '~': - INSERT_OPERAND (mips_opts.micromips, - OFFSET12, insn, va_arg (args, int)); - continue; - - case 'N': - gas_assert (mips_opts.micromips); - INSERT_OPERAND (1, BCC, insn, va_arg (args, int)); - continue; - - case 'm': /* Opcode extension character. */ - gas_assert (mips_opts.micromips); - switch (*fmt++) - { - case 'j': - INSERT_OPERAND (1, MJ, insn, va_arg (args, int)); - break; - - case 'p': - INSERT_OPERAND (1, MP, insn, va_arg (args, int)); - break; + break; - case 'F': - INSERT_OPERAND (1, IMMF, insn, va_arg (args, int)); - break; + default: + operand = (mips_opts.micromips + ? decode_micromips_operand (fmt) + : decode_mips_operand (fmt)); + if (!operand) + abort (); - default: - abort (); - } - continue; + uval = va_arg (args, int); + if (operand->type == OP_CLO_CLZ_DEST) + uval |= (uval << 5); + insn_insert_operand (&insn, operand, uval); - default: - abort (); + if (*fmt == '+' || *fmt == 'm') + ++fmt; + break; } - break; } va_end (args); gas_assert (*r == BFD_RELOC_UNUSED ? ep == NULL : ep != NULL); @@ -5734,6 +5564,7 @@ mips16_macro_build (expressionS *ep, const char *name, const char *fmt, { struct mips_opcode *mo; struct mips_cl_insn insn; + const struct mips_operand *operand; bfd_reloc_code_real_type r[3] = {BFD_RELOC_UNUSED, BFD_RELOC_UNUSED, BFD_RELOC_UNUSED}; @@ -5749,48 +5580,23 @@ mips16_macro_build (expressionS *ep, const char *name, const char *fmt, } create_insn (&insn, mo); - for (;;) + for (; *fmt; ++fmt) { int c; - c = *fmt++; + c = *fmt; switch (c) { - case '\0': - break; - case ',': case '(': case ')': - continue; - - case 'y': - case 'w': - MIPS16_INSERT_OPERAND (RY, insn, va_arg (*args, int)); - continue; - - case 'x': - case 'v': - MIPS16_INSERT_OPERAND (RX, insn, va_arg (*args, int)); - continue; - - case 'z': - MIPS16_INSERT_OPERAND (RZ, insn, va_arg (*args, int)); - continue; - - case 'Z': - MIPS16_INSERT_OPERAND (MOVE32Z, insn, va_arg (*args, int)); - continue; + break; case '0': case 'S': case 'P': case 'R': - continue; - - case 'X': - MIPS16_INSERT_OPERAND (REGR32, insn, va_arg (*args, int)); - continue; + break; case '<': case '>': @@ -5822,14 +5628,16 @@ mips16_macro_build (expressionS *ep, const char *name, const char *fmt, *r = BFD_RELOC_UNUSED; } } - continue; + break; - case '6': - MIPS16_INSERT_OPERAND (IMM6, insn, va_arg (*args, int)); - continue; - } + default: + operand = decode_mips16_operand (c, FALSE); + if (!operand) + abort (); - break; + insn_insert_operand (&insn, operand, va_arg (args, int)); + break; + } } gas_assert (*r == BFD_RELOC_UNUSED ? ep == NULL : ep != NULL); |