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author | Jim Wilson <wilson@tuliptree.org> | 1997-04-02 02:33:47 +0000 |
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committer | Jim Wilson <wilson@tuliptree.org> | 1997-04-02 02:33:47 +0000 |
commit | 3c83da8ac4ac2a7a77a482685d912a16ddfb1b33 (patch) | |
tree | ebaec7535042373f7c8b233949d054e60c019f7b /gas/config/tc-mips.c | |
parent | 21ac2bc790a5c1fdb18c91c02667cd2d62921325 (diff) | |
download | gdb-3c83da8ac4ac2a7a77a482685d912a16ddfb1b33.zip gdb-3c83da8ac4ac2a7a77a482685d912a16ddfb1b33.tar.gz gdb-3c83da8ac4ac2a7a77a482685d912a16ddfb1b33.tar.bz2 |
* config/tc-mips.c (md_begin): Don't set interlocks for 4100.
Diffstat (limited to 'gas/config/tc-mips.c')
-rw-r--r-- | gas/config/tc-mips.c | 729 |
1 files changed, 406 insertions, 323 deletions
diff --git a/gas/config/tc-mips.c b/gas/config/tc-mips.c index f2b0250..d8a977e 100644 --- a/gas/config/tc-mips.c +++ b/gas/config/tc-mips.c @@ -134,22 +134,59 @@ mips_target_format () ? ".rodata" \ : (abort (), "")) +/* This is the set of options which may be modified by the .set + pseudo-op. We use a struct so that .set push and .set pop are more + reliable. */ + +struct mips_set_options +{ + /* MIPS ISA (Instruction Set Architecture) level. This is set to -1 + if it has not been initialized. Changed by `.set mipsN', and the + -mipsN command line option, and the default CPU. */ + int isa; + /* Whether we are assembling for the mips16 processor. 0 if we are + not, 1 if we are, and -1 if the value has not been initialized. + Changed by `.set mips16' and `.set nomips16', and the -mips16 and + -nomips16 command line options, and the default CPU. */ + int mips16; + /* Non-zero if we should not reorder instructions. Changed by `.set + reorder' and `.set noreorder'. */ + int noreorder; + /* Non-zero if we should not permit the $at ($1) register to be used + in instructions. Changed by `.set at' and `.set noat'. */ + int noat; + /* Non-zero if we should warn when a macro instruction expands into + more than one machine instruction. Changed by `.set nomacro' and + `.set macro'. */ + int warn_about_macros; + /* Non-zero if we should not move instructions. Changed by `.set + move', `.set volatile', `.set nomove', and `.set novolatile'. */ + int nomove; + /* Non-zero if we should not optimize branches by moving the target + of the branch into the delay slot. Actually, we don't perform + this optimization anyhow. Changed by `.set bopt' and `.set + nobopt'. */ + int nobopt; + /* Non-zero if we should not autoextend mips16 instructions. + Changed by `.set autoextend' and `.set noautoextend'. */ + int noautoextend; +}; + +/* This is the struct we use to hold the current set of options. Note + that we must set the isa and mips16 fields to -1 to indicate that + they have not been initialized. */ + +static struct mips_set_options mips_opts = { -1, -1 }; + /* These variables are filled in with the masks of registers used. The object format code reads them and puts them in the appropriate place. */ unsigned long mips_gprmask; unsigned long mips_cprmask[4]; -/* MIPS ISA (Instruction Set Architecture) level (may be changed - temporarily using .set mipsN). */ -static int mips_isa = -1; - /* MIPS ISA we are using for this output file. */ static int file_mips_isa; -/* Whether we are assembling for the mips16 processor. */ -static int mips16 = -1; - /* The CPU type as a number: 2000, 3000, 4000, 4400, etc. */ static int mips_cpu = -1; @@ -207,15 +244,9 @@ static int mips_big_got; instructions. */ static int mips_trap; -/* 1 if we should autoextend mips16 instructions. */ -static int mips16_autoextend = 1; +/* Non-zero if any .set noreorder directives were used. */ -static int mips_warn_about_macros; -static int mips_noreorder; static int mips_any_noreorder; -static int mips_nomove; -static int mips_noat; -static int mips_nobopt; /* The size of the small data section. */ static int g_switch_value = 8; @@ -529,6 +560,7 @@ enum mips_regclass { MIPS_GR_REG, MIPS_FP_REG, MIPS16_REG }; static int insn_uses_reg PARAMS ((struct mips_cl_insn *ip, unsigned int reg, enum mips_regclass class)); static int reg_needs_delay PARAMS ((int)); +static void mips16_mark_labels PARAMS ((void)); static void append_insn PARAMS ((char *place, struct mips_cl_insn * ip, expressionS * p, @@ -586,6 +618,7 @@ static long get_number PARAMS ((void)); static void s_ent PARAMS ((int)); static void s_mipsend PARAMS ((int)); static void s_file PARAMS ((int)); +static void s_mips_stab PARAMS ((int)); static int mips16_extended_frag PARAMS ((fragS *, asection *, long)); /* Pseudo-op table. @@ -645,6 +678,7 @@ static const pseudo_typeS mips_pseudo_table[] = {"quad", s_cons, 3}, {"short", s_cons, 1}, {"single", s_float_cons, 'f'}, + {"stabn", s_mips_stab, 'n'}, {"text", s_change_sec, 't'}, {"word", s_cons, 2}, { 0 }, @@ -733,7 +767,7 @@ md_begin () register const char *retval = NULL; register unsigned int i = 0; - if (mips_isa == -1) + if (mips_opts.isa == -1) { const char *cpu; char *a = NULL; @@ -749,14 +783,14 @@ md_begin () if (strcmp (cpu, "mips") == 0) { - mips_isa = 1; + mips_opts.isa = 1; if (mips_cpu == -1) mips_cpu = 3000; } else if (strcmp (cpu, "r6000") == 0 || strcmp (cpu, "mips2") == 0) { - mips_isa = 2; + mips_opts.isa = 2; if (mips_cpu == -1) mips_cpu = 6000; } @@ -764,26 +798,26 @@ md_begin () || strcmp (cpu, "r4000") == 0 || strcmp (cpu, "mips3") == 0) { - mips_isa = 3; + mips_opts.isa = 3; if (mips_cpu == -1) mips_cpu = 4000; } else if (strcmp (cpu, "r4400") == 0) { - mips_isa = 3; + mips_opts.isa = 3; if (mips_cpu == -1) mips_cpu = 4400; } else if (strcmp (cpu, "mips64orion") == 0 || strcmp (cpu, "r4600") == 0) { - mips_isa = 3; + mips_opts.isa = 3; if (mips_cpu == -1) mips_cpu = 4600; } else if (strcmp (cpu, "r4650") == 0) { - mips_isa = 3; + mips_opts.isa = 3; if (mips_cpu == -1) mips_cpu = 4650; if (mips_4650 == -1) @@ -791,13 +825,13 @@ md_begin () } else if (strcmp (cpu, "mips64vr4300") == 0) { - mips_isa = 3; + mips_opts.isa = 3; if (mips_cpu == -1) mips_cpu = 4300; } else if (strcmp (cpu, "mips64vr4100") == 0) { - mips_isa = 3; + mips_opts.isa = 3; if (mips_cpu == -1) mips_cpu = 4100; if (mips_4100 == -1) @@ -805,7 +839,7 @@ md_begin () } else if (strcmp (cpu, "r4010") == 0) { - mips_isa = 2; + mips_opts.isa = 2; if (mips_cpu == -1) mips_cpu = 4010; if (mips_4010 == -1) @@ -814,7 +848,7 @@ md_begin () else if (strcmp (cpu, "r5000") == 0 || strcmp (cpu, "mips64vr5000") == 0) { - mips_isa = 4; + mips_opts.isa = 4; if (mips_cpu == -1) mips_cpu = 5000; } @@ -823,7 +857,7 @@ md_begin () || strcmp (cpu, "mips64vr5900") == 0 || strcmp (cpu, "mips64vr5900el") == 0) { - mips_isa = 3; + mips_opts.isa = 3; if (mips_cpu == -1) mips_cpu = 5900; if (mips_5900 == -1) @@ -833,25 +867,25 @@ md_begin () else if (strcmp (cpu, "r8000") == 0 || strcmp (cpu, "mips4") == 0) { - mips_isa = 4; + mips_opts.isa = 4; if (mips_cpu == -1) mips_cpu = 8000; } else if (strcmp (cpu, "r10000") == 0) { - mips_isa = 4; + mips_opts.isa = 4; if (mips_cpu == -1) mips_cpu = 10000; } else if (strcmp (cpu, "mips16") == 0) { - mips_isa = 3; + mips_opts.isa = 3; if (mips_cpu == -1) mips_cpu = 0; /* FIXME */ } else { - mips_isa = 1; + mips_opts.isa = 1; if (mips_cpu == -1) mips_cpu = 3000; } @@ -860,12 +894,12 @@ md_begin () free (a); } - if (mips16 < 0) + if (mips_opts.mips16 < 0) { if (strncmp (TARGET_CPU, "mips16", sizeof "mips16" - 1) == 0) - mips16 = 1; + mips_opts.mips16 = 1; else - mips16 = 0; + mips_opts.mips16 = 0; } if (mips_4650 < 0) @@ -882,7 +916,7 @@ md_begin () mips_5900 = 0; /* end-sanitize-r5900 */ - if (mips_4010 || mips_4100 || mips_cpu == 4300) + if (mips_4010 || mips_cpu == 4300) interlocks = 1; else interlocks = 0; @@ -893,10 +927,10 @@ md_begin () else cop_interlocks = 0; - if (mips_isa < 2 && mips_trap) + if (mips_opts.isa < 2 && mips_trap) as_bad ("trap exception not supported at ISA 1"); - switch (mips_isa) + switch (mips_opts.isa) { case 1: ok = bfd_set_arch_mach (stdoutput, bfd_arch_mips, 3000); @@ -914,7 +948,7 @@ md_begin () if (! ok) as_warn ("Could not set architecture and machine"); - file_mips_isa = mips_isa; + file_mips_isa = mips_opts.isa; op_hash = hash_new (); @@ -1112,7 +1146,7 @@ md_assemble (str) offset_expr.X_op = O_absent; offset_reloc = BFD_RELOC_UNUSED; - if (mips16) + if (mips_opts.mips16) mips16_ip (str, &insn); else { @@ -1129,7 +1163,7 @@ md_assemble (str) if (insn.insn_mo->pinfo == INSN_MACRO) { - if (mips16) + if (mips_opts.mips16) mips16_macro (&insn); else macro (&insn); @@ -1157,7 +1191,7 @@ insn_uses_reg (ip, reg, class) { if (class == MIPS16_REG) { - assert (mips16); + assert (mips_opts.mips16); reg = mips16_to_32_reg_map[reg]; class = MIPS_GR_REG; } @@ -1168,7 +1202,7 @@ insn_uses_reg (ip, reg, class) if (class == MIPS_FP_REG) { - assert (! mips16); + assert (! mips_opts.mips16); /* If we are called with either $f0 or $f1, we must check $f0. This is not optimal, because it will introduce an unnecessary NOP between "lwc1 $f0" and "swc1 $f1". To fix this we would @@ -1185,7 +1219,7 @@ insn_uses_reg (ip, reg, class) == (reg &~ (unsigned) 1))) return 1; } - else if (! mips16) + else if (! mips_opts.mips16) { if ((ip->insn_mo->pinfo & INSN_READ_GPR_S) && ((ip->insn_opcode >> OP_SH_RS) & OP_MASK_RS) == reg) @@ -1236,10 +1270,10 @@ reg_needs_delay (reg) unsigned long prev_pinfo; prev_pinfo = prev_insn.insn_mo->pinfo; - if (! mips_noreorder - && mips_isa < 4 + if (! mips_opts.noreorder + && mips_opts.isa < 4 && ((prev_pinfo & INSN_LOAD_COPROC_DELAY) - || (mips_isa < 2 + || (mips_opts.isa < 2 && (prev_pinfo & INSN_LOAD_MEMORY_DELAY)))) { /* A load from a coprocessor or from memory. All load @@ -1255,6 +1289,33 @@ reg_needs_delay (reg) return 0; } +/* Mark instruction labels in mips16 mode. This permits the linker to + handle them specially, such as generating jalx instructions when + needed. We also make them odd for the duration of the assembly, in + order to generate the right sort of code. We will make them even + in the adjust_symtab routine, while leaving them marked. This is + convenient for the debugger and the disassembler. The linker knows + to make them odd again. */ + +static void +mips16_mark_labels () +{ + if (mips_opts.mips16) + { + struct insn_label_list *l; + + for (l = insn_labels; l != NULL; l = l->next) + { +#ifdef S_SET_OTHER + if (OUTPUT_FLAVOR == bfd_target_elf_flavour) + S_SET_OTHER (l->label, STO_MIPS16); +#endif + if ((l->label->sy_value.X_add_number & 1) == 0) + ++l->label->sy_value.X_add_number; + } + } +} + /* Output an instruction. PLACE is where to put the instruction; if it is NULL, this uses frag_more to get room. IP is the instruction information. ADDRESS_EXPR is an operand of the instruction to be @@ -1273,31 +1334,14 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi) fixS *fixp; int nops = 0; - /* Mark instruction labels in mips16 mode. This permits the linker - to handle them specially, such as generating jalx instructions - when needed. We also make them odd for the duration of the - assembly, in order to generate the right sort of code. We will - make them even in the adjust_symtab routine, while leaving them - marked. This is convenient for the debugger and the - disassembler. The linker knows to make them odd again. */ - if (mips16) - { - struct insn_label_list *l; - - for (l = insn_labels; l != NULL; l = l->next) - { -#ifdef S_SET_OTHER - if (OUTPUT_FLAVOR == bfd_target_elf_flavour) - S_SET_OTHER (l->label, STO_MIPS16); -#endif - ++l->label->sy_value.X_add_number; - } - } + /* Mark instruction labels in mips16 mode. */ + if (mips_opts.mips16) + mips16_mark_labels (); prev_pinfo = prev_insn.insn_mo->pinfo; pinfo = ip->insn_mo->pinfo; - if (place == NULL && (! mips_noreorder || prev_nop_frag != NULL)) + if (place == NULL && (! mips_opts.noreorder || prev_nop_frag != NULL)) { int prev_prev_nop; @@ -1323,17 +1367,17 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi) /* This is how a NOP is emitted. */ #define emit_nop() \ - (mips16 \ + (mips_opts.mips16 \ ? md_number_to_chars (frag_more (2), 0x6500, 2) \ : md_number_to_chars (frag_more (4), 0, 4)) /* The previous insn might require a delay slot, depending upon the contents of the current insn. */ - if (! mips16 - && mips_isa < 4 + if (! mips_opts.mips16 + && mips_opts.isa < 4 && (((prev_pinfo & INSN_LOAD_COPROC_DELAY) && ! cop_interlocks) - || (mips_isa < 2 + || (mips_opts.isa < 2 && (prev_pinfo & INSN_LOAD_MEMORY_DELAY)))) { /* A load from a coprocessor or from memory. All load @@ -1349,11 +1393,11 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi) MIPS_GR_REG)) ++nops; } - else if (! mips16 - && mips_isa < 4 + else if (! mips_opts.mips16 + && mips_opts.isa < 4 && (((prev_pinfo & INSN_COPROC_MOVE_DELAY) && ! cop_interlocks) - || (mips_isa < 2 + || (mips_opts.isa < 2 && (prev_pinfo & INSN_COPROC_MEMORY_DELAY)))) { /* A generic coprocessor delay. The previous instruction @@ -1408,8 +1452,8 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi) ++nops; } } - else if (! mips16 - && mips_isa < 4 + else if (! mips_opts.mips16 + && mips_opts.isa < 4 && (prev_pinfo & INSN_WRITE_COND_CODE) && ! cop_interlocks) { @@ -1458,8 +1502,8 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi) which have interlocks). If we are not already emitting a NOP instruction, we must check for these cases compared to the instruction previous to the previous instruction. */ - if ((! mips16 - && mips_isa < 4 + if ((! mips_opts.mips16 + && mips_opts.isa < 4 && (prev_prev_insn.insn_mo->pinfo & INSN_COPROC_MOVE_DELAY) && (prev_prev_insn.insn_mo->pinfo & INSN_WRITE_COND_CODE) && (pinfo & INSN_READ_COND_CODE) @@ -1485,12 +1529,12 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi) happen when a nop instruction is used with mips_optimize set to 0. */ if (nops > 0 - && ! mips_noreorder - && ip->insn_opcode == (mips16 ? 0x6500 : 0)) + && ! mips_opts.noreorder + && ip->insn_opcode == (mips_opts.mips16 ? 0x6500 : 0)) --nops; /* Now emit the right number of NOP instructions. */ - if (nops > 0 && ! mips_noreorder) + if (nops > 0 && ! mips_opts.noreorder) { fragS *old_frag; unsigned long old_frag_offset; @@ -1523,7 +1567,7 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi) l->label->sy_frag = frag_now; S_SET_VALUE (l->label, (valueT) frag_now_fix ()); /* mips16 text labels are stored as odd. */ - if (mips16) + if (mips_opts.mips16) ++l->label->sy_value.X_add_number; } @@ -1542,7 +1586,7 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi) { if (nops == 0) { - prev_nop_frag->fr_fix -= mips16 ? 2 : 4; + prev_nop_frag->fr_fix -= mips_opts.mips16 ? 2 : 4; --prev_nop_frag_holds; } else @@ -1552,7 +1596,7 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi) { if (prev_prev_nop == 0) { - prev_nop_frag->fr_fix -= mips16 ? 2 : 4; + prev_nop_frag->fr_fix -= mips_opts.mips16 ? 2 : 4; --prev_nop_frag_holds; } else @@ -1574,7 +1618,7 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi) if (reloc_type > BFD_RELOC_UNUSED) { /* We need to set up a variant frag. */ - assert (mips16 && address_expr != NULL); + assert (mips_opts.mips16 && address_expr != NULL); f = frag_var (rs_machine_dependent, 4, 0, RELAX_MIPS16_ENCODE (reloc_type - BFD_RELOC_UNUSED, mips16_small, mips16_ext, @@ -1587,7 +1631,9 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi) } else if (place != NULL) f = place; - else if (mips16 && ! ip->use_extend && reloc_type != BFD_RELOC_MIPS16_JMP) + else if (mips_opts.mips16 + && ! ip->use_extend + && reloc_type != BFD_RELOC_MIPS16_JMP) { /* Make sure there is enough room to swap this instruction with a following jump instruction. */ @@ -1596,8 +1642,8 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi) } else { - if (mips16 - && mips_noreorder + if (mips_opts.mips16 + && mips_opts.noreorder && (prev_pinfo & INSN_UNCOND_BRANCH_DELAY) != 0) as_warn ("extended instruction in delay slot"); @@ -1670,7 +1716,7 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi) } } - if (! mips16) + if (! mips_opts.mips16) md_number_to_chars (f, ip->insn_opcode, 4); else if (reloc_type == BFD_RELOC_MIPS16_JMP) { @@ -1688,7 +1734,7 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi) } /* Update the register mask information. */ - if (! mips16) + if (! mips_opts.mips16) { if (pinfo & INSN_WRITE_GPR_D) mips_gprmask |= 1 << ((ip->insn_opcode >> OP_SH_RD) & OP_MASK_RD); @@ -1743,7 +1789,7 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi) & MIPS16OP_MASK_REGR32); } - if (place == NULL && ! mips_noreorder) + if (place == NULL && ! mips_opts.noreorder) { /* Filling the branch delay slot is more complex. We try to switch the branch with the previous instruction, which we can @@ -1756,7 +1802,7 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi) if (mips_optimize < 2 /* If we have seen .set volatile or .set nomove, don't optimize. */ - || mips_nomove != 0 + || mips_opts.nomove != 0 /* If we had to emit any NOP instructions, then we already know we can not swap. */ || nops != 0 @@ -1793,7 +1839,7 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi) can not do the swap. This does not apply to the mips16, which uses variant frags for different purposes. */ - || (! mips16 + || (! mips_opts.mips16 && prev_insn_frag->fr_type == rs_machine_dependent) /* If the branch reads the condition codes, we don't even try to swap, because in the sequence @@ -1803,14 +1849,14 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi) bc1t LABEL we can not swap, and I don't feel like handling that case. */ - || (! mips16 - && mips_isa < 4 + || (! mips_opts.mips16 + && mips_opts.isa < 4 && (pinfo & INSN_READ_COND_CODE)) /* We can not swap with an instruction that requires a delay slot, becase the target of the branch might interfere with that instruction. */ - || (! mips16 - && mips_isa < 4 + || (! mips_opts.mips16 + && mips_opts.isa < 4 && (prev_pinfo /* Itbl support may require additional care here. */ & (INSN_LOAD_COPROC_DELAY @@ -1820,8 +1866,8 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi) && (prev_pinfo & (INSN_READ_LO | INSN_READ_HI))) - || (! mips16 - && mips_isa < 2 + || (! mips_opts.mips16 + && mips_opts.isa < 2 && (prev_pinfo & (INSN_LOAD_MEMORY_DELAY /* Itbl support may require additional care here. */ @@ -1837,19 +1883,19 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi) || (prev_pinfo & INSN_TRAP) /* If the branch reads a register that the previous instruction sets, we can not swap. */ - || (! mips16 + || (! mips_opts.mips16 && (prev_pinfo & INSN_WRITE_GPR_T) && insn_uses_reg (ip, ((prev_insn.insn_opcode >> OP_SH_RT) & OP_MASK_RT), MIPS_GR_REG)) - || (! mips16 + || (! mips_opts.mips16 && (prev_pinfo & INSN_WRITE_GPR_D) && insn_uses_reg (ip, ((prev_insn.insn_opcode >> OP_SH_RD) & OP_MASK_RD), MIPS_GR_REG)) - || (mips16 + || (mips_opts.mips16 && (((prev_pinfo & MIPS16_INSN_WRITE_X) && insn_uses_reg (ip, ((prev_insn.insn_opcode @@ -1880,7 +1926,7 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi) /* If the branch writes a register that the previous instruction sets, we can not swap (we know that branches write only to RD or to $31). */ - || (! mips16 + || (! mips_opts.mips16 && (prev_pinfo & INSN_WRITE_GPR_T) && (((pinfo & INSN_WRITE_GPR_D) && (((prev_insn.insn_opcode >> OP_SH_RT) & OP_MASK_RT) @@ -1889,7 +1935,7 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi) && (((prev_insn.insn_opcode >> OP_SH_RT) & OP_MASK_RT) == 31)))) - || (! mips16 + || (! mips_opts.mips16 && (prev_pinfo & INSN_WRITE_GPR_D) && (((pinfo & INSN_WRITE_GPR_D) && (((prev_insn.insn_opcode >> OP_SH_RD) & OP_MASK_RD) @@ -1898,7 +1944,7 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi) && (((prev_insn.insn_opcode >> OP_SH_RD) & OP_MASK_RD) == 31)))) - || (mips16 + || (mips_opts.mips16 && (pinfo & MIPS16_INSN_WRITE_31) && ((prev_pinfo & MIPS16_INSN_WRITE_31) || ((prev_pinfo & MIPS16_INSN_WRITE_GPR_Y) @@ -1907,16 +1953,16 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi) /* If the branch writes a register that the previous instruction reads, we can not swap (we know that branches only write to RD or to $31). */ - || (! mips16 + || (! mips_opts.mips16 && (pinfo & INSN_WRITE_GPR_D) && insn_uses_reg (&prev_insn, ((ip->insn_opcode >> OP_SH_RD) & OP_MASK_RD), MIPS_GR_REG)) - || (! mips16 + || (! mips_opts.mips16 && (pinfo & INSN_WRITE_GPR_31) && insn_uses_reg (&prev_insn, 31, MIPS_GR_REG)) - || (mips16 + || (mips_opts.mips16 && (pinfo & MIPS16_INSN_WRITE_31) && insn_uses_reg (&prev_insn, RA, MIPS_GR_REG)) /* If we are generating embedded PIC code, the branch @@ -1927,11 +1973,11 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi) /* If the previous previous instruction has a load delay, and sets a register that the branch reads, we can not swap. */ - || (! mips16 - && mips_isa < 4 + || (! mips_opts.mips16 + && mips_opts.isa < 4 /* Itbl support may require additional care here. */ && ((prev_prev_insn.insn_mo->pinfo & INSN_LOAD_COPROC_DELAY) - || (mips_isa < 2 + || (mips_opts.isa < 2 && (prev_prev_insn.insn_mo->pinfo & INSN_LOAD_MEMORY_DELAY))) && insn_uses_reg (ip, @@ -1946,15 +1992,15 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi) && (prev_pinfo & INSN_READ_COND_CODE)) /* If the previous instruction uses the PC, we can not swap. */ - || (mips16 + || (mips_opts.mips16 && (prev_pinfo & MIPS16_INSN_READ_PC)) /* If the previous instruction was extended, we can not swap. */ - || (mips16 && prev_insn_extended) + || (mips_opts.mips16 && prev_insn_extended) /* If the previous instruction had a fixup in mips16 mode, we can not swap. This normally means that the previous instruction was a 4 byte branch anyhow. */ - || (mips16 && prev_insn_fixp)) + || (mips_opts.mips16 && prev_insn_fixp)) { /* We could do even better for unconditional branches to portions of this object file; we could pick up the @@ -1968,7 +2014,7 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi) else { /* It looks like we can actually do the swap. */ - if (! mips16) + if (! mips_opts.mips16) { char *prev_f; char temp[4]; @@ -2062,7 +2108,7 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi) prev_insn_fixp = fixp; prev_insn_reloc_type = reloc_type; - if (mips16) + if (mips_opts.mips16) prev_insn_extended = (ip->use_extend || reloc_type > BFD_RELOC_UNUSED); } @@ -2125,13 +2171,13 @@ static void mips_emit_delays (insns) boolean insns; { - if (! mips_noreorder) + if (! mips_opts.noreorder) { int nops; nops = 0; - if ((! mips16 - && mips_isa < 4 + if ((! mips_opts.mips16 + && mips_opts.isa < 4 && (! cop_interlocks && (prev_insn.insn_mo->pinfo & (INSN_LOAD_COPROC_DELAY @@ -2141,16 +2187,16 @@ mips_emit_delays (insns) && (prev_insn.insn_mo->pinfo & (INSN_READ_LO | INSN_READ_HI))) - || (! mips16 - && mips_isa < 2 + || (! mips_opts.mips16 + && mips_opts.isa < 2 && (prev_insn.insn_mo->pinfo & (INSN_LOAD_MEMORY_DELAY | INSN_COPROC_MEMORY_DELAY)))) { /* Itbl support may require additional care here. */ ++nops; - if ((! mips16 - && mips_isa < 4 + if ((! mips_opts.mips16 + && mips_opts.isa < 4 && (! cop_interlocks && prev_insn.insn_mo->pinfo & INSN_WRITE_COND_CODE)) || (! interlocks @@ -2161,8 +2207,8 @@ mips_emit_delays (insns) if (prev_insn_unreordered) nops = 0; } - else if ((! mips16 - && mips_isa < 4 + else if ((! mips_opts.mips16 + && mips_opts.isa < 4 && (! cop_interlocks && prev_prev_insn.insn_mo->pinfo & INSN_WRITE_COND_CODE)) || (! interlocks @@ -2182,7 +2228,7 @@ mips_emit_delays (insns) { /* Record the frag which holds the nop instructions, so that we can remove them if we don't need them. */ - frag_grow (mips16 ? nops * 2 : nops * 4); + frag_grow (mips_opts.mips16 ? nops * 2 : nops * 4); prev_nop_frag = frag_now; prev_nop_frag_holds = nops; prev_nop_frag_required = 0; @@ -2206,33 +2252,15 @@ mips_emit_delays (insns) l->label->sy_frag = frag_now; S_SET_VALUE (l->label, (valueT) frag_now_fix ()); /* mips16 text labels are stored as odd. */ - if (mips16) + if (mips_opts.mips16) ++l->label->sy_value.X_add_number; } } } - /* Mark instruction labels in mips16 mode. This permits the linker - to handle them specially, such as generating jalx instructions - when needed. We also make them odd for the duration of the - assembly, in order to generate the right sort of code. We will - make them even in the adjust_symtab routine, while leaving them - marked. This is convenient for the debugger and the - disassembler. The linker knows to make them odd again. */ - if (mips16 && insns) - { - struct insn_label_list *l; - - for (l = insn_labels; l != NULL; l = l->next) - { -#ifdef S_SET_OTHER - if (OUTPUT_FLAVOR == bfd_target_elf_flavour) - S_SET_OTHER (l->label, STO_MIPS16); -#endif - if ((l->label->sy_value.X_add_number & 1) == 0) - ++l->label->sy_value.X_add_number; - } - } + /* Mark instruction labels in mips16 mode. */ + if (mips_opts.mips16 && insns) + mips16_mark_labels (); mips_no_prev_insn (insns); } @@ -2276,13 +2304,13 @@ macro_build (place, counter, ep, name, fmt, va_alist) * print a warning if needed. We need to pass ip as a parameter * to generate a better warning message here... */ - if (mips_warn_about_macros && place == NULL && *counter == 1) + if (mips_opts.warn_about_macros && place == NULL && *counter == 1) as_warn ("Macro instruction expanded into multiple instructions"); if (place == NULL) *counter += 1; /* bump instruction counter */ - if (mips16) + if (mips_opts.mips16) { mips16_macro_build (place, counter, ep, name, fmt, args); va_end (args); @@ -2297,11 +2325,11 @@ macro_build (place, counter, ep, name, fmt, va_alist) while (strcmp (fmt, insn.insn_mo->args) != 0 || insn.insn_mo->pinfo == INSN_MACRO || ((insn.insn_mo->pinfo & INSN_ISA) == INSN_ISA2 - && mips_isa < 2) + && mips_opts.isa < 2) || ((insn.insn_mo->pinfo & INSN_ISA) == INSN_ISA3 - && mips_isa < 3) + && mips_opts.isa < 3) || ((insn.insn_mo->pinfo & INSN_ISA) == INSN_ISA4 - && mips_isa < 4) + && mips_opts.isa < 4) || ((insn.insn_mo->pinfo & INSN_ISA) == INSN_4650 && ! mips_4650) || ((insn.insn_mo->pinfo & INSN_ISA) == INSN_4010 @@ -2587,7 +2615,7 @@ macro_build_lui (place, counter, ep, regnum) CONST char *name = "lui"; CONST char *fmt = "t,u"; - assert (! mips16); + assert (! mips_opts.mips16); if (place == NULL) high_expr = *ep; @@ -2620,7 +2648,7 @@ macro_build_lui (place, counter, ep, regnum) * print a warning if needed. We need to pass ip as a parameter * to generate a better warning message here... */ - if (mips_warn_about_macros && place == NULL && *counter == 1) + if (mips_opts.warn_about_macros && place == NULL && *counter == 1) as_warn ("Macro instruction expanded into multiple instructions"); if (place == NULL) @@ -2797,9 +2825,9 @@ load_register (counter, reg, ep, dbl) || ! ep->X_unsigned || sizeof (ep->X_add_number) > 4 || (ep->X_add_number & 0x80000000) == 0)) - || ((mips_isa < 3 || ! dbl) + || ((mips_opts.isa < 3 || ! dbl) && (ep->X_add_number &~ (offsetT) 0xffffffff) == 0) - || (mips_isa < 3 + || (mips_opts.isa < 3 && ! dbl && ((ep->X_add_number &~ (offsetT) 0xffffffff) == ~ (offsetT) 0xffffffff))) @@ -2816,7 +2844,7 @@ load_register (counter, reg, ep, dbl) /* The value is larger than 32 bits. */ - if (mips_isa < 3) + if (mips_opts.isa < 3) { as_bad ("Number larger than 32 bits"); macro_build ((char *) NULL, counter, ep, "addiu", "t,r,j", reg, 0, @@ -3056,17 +3084,18 @@ load_address (counter, reg, ep) { frag_grow (20); macro_build ((char *) NULL, counter, ep, - mips_isa < 3 ? "addiu" : "daddiu", + mips_opts.isa < 3 ? "addiu" : "daddiu", "t,r,j", reg, GP, (int) BFD_RELOC_MIPS_GPREL); p = frag_var (rs_machine_dependent, 8, 0, - RELAX_ENCODE (4, 8, 0, 4, 0, mips_warn_about_macros), + RELAX_ENCODE (4, 8, 0, 4, 0, + mips_opts.warn_about_macros), ep->X_add_symbol, (offsetT) 0, (char *) NULL); } macro_build_lui (p, counter, ep, reg); if (p != NULL) p += 4; macro_build (p, counter, ep, - mips_isa < 3 ? "addiu" : "daddiu", + mips_opts.isa < 3 ? "addiu" : "daddiu", "t,r,j", reg, reg, (int) BFD_RELOC_LO16); } else if (mips_pic == SVR4_PIC && ! mips_big_got) @@ -3084,14 +3113,14 @@ load_address (counter, reg, ep) ep->X_add_number = 0; frag_grow (20); macro_build ((char *) NULL, counter, ep, - mips_isa < 3 ? "lw" : "ld", + mips_opts.isa < 3 ? "lw" : "ld", "t,o(b)", reg, (int) BFD_RELOC_MIPS_GOT16, GP); macro_build ((char *) NULL, counter, (expressionS *) NULL, "nop", ""); p = frag_var (rs_machine_dependent, 4, 0, - RELAX_ENCODE (0, 4, -8, 0, 0, mips_warn_about_macros), + RELAX_ENCODE (0, 4, -8, 0, 0, mips_opts.warn_about_macros), ep->X_add_symbol, (offsetT) 0, (char *) NULL); macro_build (p, counter, ep, - mips_isa < 3 ? "addiu" : "daddiu", + mips_opts.isa < 3 ? "addiu" : "daddiu", "t,r,j", reg, reg, (int) BFD_RELOC_LO16); if (ex.X_add_number != 0) { @@ -3099,7 +3128,7 @@ load_address (counter, reg, ep) as_bad ("PIC code offset overflow (max 16 signed bits)"); ex.X_op = O_constant; macro_build ((char *) NULL, counter, &ex, - mips_isa < 3 ? "addiu" : "daddiu", + mips_opts.isa < 3 ? "addiu" : "daddiu", "t,r,j", reg, reg, (int) BFD_RELOC_LO16); } } @@ -3128,14 +3157,14 @@ load_address (counter, reg, ep) macro_build ((char *) NULL, counter, ep, "lui", "t,u", reg, (int) BFD_RELOC_MIPS_GOT_HI16); macro_build ((char *) NULL, counter, (expressionS *) NULL, - mips_isa < 3 ? "addu" : "daddu", + mips_opts.isa < 3 ? "addu" : "daddu", "d,v,t", reg, reg, GP); macro_build ((char *) NULL, counter, ep, - mips_isa < 3 ? "lw" : "ld", + mips_opts.isa < 3 ? "lw" : "ld", "t,o(b)", reg, (int) BFD_RELOC_MIPS_GOT_LO16, reg); p = frag_var (rs_machine_dependent, 12 + off, 0, RELAX_ENCODE (12, 12 + off, off, 8 + off, 0, - mips_warn_about_macros), + mips_opts.warn_about_macros), ep->X_add_symbol, (offsetT) 0, (char *) NULL); if (off > 0) { @@ -3147,13 +3176,13 @@ load_address (counter, reg, ep) p += 4; } macro_build (p, counter, ep, - mips_isa < 3 ? "lw" : "ld", + mips_opts.isa < 3 ? "lw" : "ld", "t,o(b)", reg, (int) BFD_RELOC_MIPS_GOT16, GP); p += 4; macro_build (p, counter, (expressionS *) NULL, "nop", ""); p += 4; macro_build (p, counter, ep, - mips_isa < 3 ? "addiu" : "daddiu", + mips_opts.isa < 3 ? "addiu" : "daddiu", "t,r,j", reg, reg, (int) BFD_RELOC_LO16); if (ex.X_add_number != 0) { @@ -3161,7 +3190,7 @@ load_address (counter, reg, ep) as_bad ("PIC code offset overflow (max 16 signed bits)"); ex.X_op = O_constant; macro_build ((char *) NULL, counter, &ex, - mips_isa < 3 ? "addiu" : "daddiu", + mips_opts.isa < 3 ? "addiu" : "daddiu", "t,r,j", reg, reg, (int) BFD_RELOC_LO16); } } @@ -3171,7 +3200,7 @@ load_address (counter, reg, ep) addiu $reg,$gp,<sym> (BFD_RELOC_MIPS_GPREL) */ macro_build ((char *) NULL, counter, ep, - mips_isa < 3 ? "addiu" : "daddiu", + mips_opts.isa < 3 ? "addiu" : "daddiu", "t,r,j", reg, GP, (int) BFD_RELOC_MIPS_GPREL); } else @@ -3219,7 +3248,7 @@ macro (ip) char *p; int hold_mips_optimize; - assert (! mips16); + assert (! mips_opts.mips16); treg = (ip->insn_opcode >> 16) & 0x1f; dreg = (ip->insn_opcode >> 11) & 0x1f; @@ -3242,7 +3271,7 @@ macro (ip) */ mips_emit_delays (true); - ++mips_noreorder; + ++mips_opts.noreorder; mips_any_noreorder = 1; expr1.X_add_number = 8; @@ -3255,7 +3284,7 @@ macro (ip) dbl ? "dsub" : "sub", "d,v,t", dreg, 0, sreg); - --mips_noreorder; + --mips_opts.noreorder; return; case M_ADD_I: @@ -3373,7 +3402,7 @@ macro (ip) case M_BGT_I: /* check for > max integer */ maxnum = 0x7fffffff; - if (mips_isa >= 3) + if (mips_opts.isa >= 3) { maxnum <<= 16; maxnum |= 0xffff; @@ -3381,7 +3410,7 @@ macro (ip) maxnum |= 0xffff; } if (imm_expr.X_add_number >= maxnum - && (mips_isa < 3 || sizeof (maxnum) > 4)) + && (mips_opts.isa < 3 || sizeof (maxnum) > 4)) { do_false: /* result is always false */ @@ -3419,7 +3448,7 @@ macro (ip) return; } maxnum = 0x7fffffff; - if (mips_isa >= 3) + if (mips_opts.isa >= 3) { maxnum <<= 16; maxnum |= 0xffff; @@ -3428,7 +3457,7 @@ macro (ip) } maxnum = - maxnum - 1; if (imm_expr.X_add_number <= maxnum - && (mips_isa < 3 || sizeof (maxnum) > 4)) + && (mips_opts.isa < 3 || sizeof (maxnum) > 4)) { do_true: /* result is always true */ @@ -3556,7 +3585,7 @@ macro (ip) likely = 1; case M_BLE_I: maxnum = 0x7fffffff; - if (mips_isa >= 3) + if (mips_opts.isa >= 3) { maxnum <<= 16; maxnum |= 0xffff; @@ -3564,7 +3593,7 @@ macro (ip) maxnum |= 0xffff; } if (imm_expr.X_add_number >= maxnum - && (mips_isa < 3 || sizeof (maxnum) > 4)) + && (mips_opts.isa < 3 || sizeof (maxnum) > 4)) goto do_true; imm_expr.X_add_number++; /* FALLTHROUGH */ @@ -3700,7 +3729,7 @@ macro (ip) } mips_emit_delays (true); - ++mips_noreorder; + ++mips_opts.noreorder; mips_any_noreorder = 1; macro_build ((char *) NULL, &icnt, NULL, dbl ? "ddiv" : "div", @@ -3743,7 +3772,7 @@ macro (ip) macro_build ((char *) NULL, &icnt, NULL, "nop", "", 0); macro_build ((char *) NULL, &icnt, NULL, "break", "c", 6); } - --mips_noreorder; + --mips_opts.noreorder; macro_build ((char *) NULL, &icnt, NULL, s, "d", dreg); break; @@ -3840,7 +3869,7 @@ macro (ip) s2 = "mfhi"; do_divu3: mips_emit_delays (true); - ++mips_noreorder; + ++mips_opts.noreorder; mips_any_noreorder = 1; macro_build ((char *) NULL, &icnt, NULL, s, "z,s,t", sreg, treg); if (mips_trap) @@ -3852,7 +3881,7 @@ macro (ip) macro_build ((char *) NULL, &icnt, NULL, "nop", "", 0); macro_build ((char *) NULL, &icnt, NULL, "break", "c", 7); } - --mips_noreorder; + --mips_opts.noreorder; macro_build ((char *) NULL, &icnt, NULL, s2, "d", dreg); return; @@ -3885,7 +3914,7 @@ macro (ip) macro_build ((char *) NULL, &icnt, &offset_expr, "lui", "t,u", treg, (int) BFD_RELOC_PCREL_HI16_S); macro_build ((char *) NULL, &icnt, &offset_expr, - mips_isa < 3 ? "addiu" : "daddiu", + mips_opts.isa < 3 ? "addiu" : "daddiu", "t,r,j", treg, treg, (int) BFD_RELOC_PCREL_LO16); return; } @@ -3926,11 +3955,11 @@ macro (ip) { frag_grow (20); macro_build ((char *) NULL, &icnt, &offset_expr, - mips_isa < 3 ? "addiu" : "daddiu", + mips_opts.isa < 3 ? "addiu" : "daddiu", "t,r,j", tempreg, GP, (int) BFD_RELOC_MIPS_GPREL); p = frag_var (rs_machine_dependent, 8, 0, RELAX_ENCODE (4, 8, 0, 4, 0, - mips_warn_about_macros), + mips_opts.warn_about_macros), offset_expr.X_add_symbol, (offsetT) 0, (char *) NULL); } @@ -3938,7 +3967,7 @@ macro (ip) if (p != NULL) p += 4; macro_build (p, &icnt, &offset_expr, - mips_isa < 3 ? "addiu" : "daddiu", + mips_opts.isa < 3 ? "addiu" : "daddiu", "t,r,j", tempreg, tempreg, (int) BFD_RELOC_LO16); } else if (mips_pic == SVR4_PIC && ! mips_big_got) @@ -3993,7 +4022,7 @@ macro (ip) p = frag_var (rs_machine_dependent, 8 - off, 0, RELAX_ENCODE (0, 8 - off, -4 - off, 4 - off, 0, (breg == 0 - ? mips_warn_about_macros + ? mips_opts.warn_about_macros : 0)), offset_expr.X_add_symbol, (offsetT) 0, (char *) NULL); @@ -4003,7 +4032,7 @@ macro (ip) p += 4; } macro_build (p, &icnt, &expr1, - mips_isa < 3 ? "addiu" : "daddiu", + mips_opts.isa < 3 ? "addiu" : "daddiu", "t,r,j", tempreg, tempreg, (int) BFD_RELOC_LO16); /* FIXME: If breg == 0, and the next instruction uses $tempreg, then if this variant case is used an extra @@ -4015,7 +4044,7 @@ macro (ip) macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "nop", ""); macro_build ((char *) NULL, &icnt, &expr1, - mips_isa < 3 ? "addiu" : "daddiu", + mips_opts.isa < 3 ? "addiu" : "daddiu", "t,r,j", tempreg, tempreg, (int) BFD_RELOC_LO16); (void) frag_var (rs_machine_dependent, 0, 0, RELAX_ENCODE (0, 0, -12, -4, 0, 0), @@ -4040,7 +4069,7 @@ macro (ip) macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "nop", ""); macro_build ((char *) NULL, &icnt, (expressionS *) NULL, - mips_isa < 3 ? "addu" : "daddu", + mips_opts.isa < 3 ? "addu" : "daddu", "d,v,t", treg, AT, breg); breg = 0; tempreg = treg; @@ -4055,10 +4084,10 @@ macro (ip) mips_optimize = hold_mips_optimize; macro_build ((char *) NULL, &icnt, &expr1, - mips_isa < 3 ? "addiu" : "daddiu", + mips_opts.isa < 3 ? "addiu" : "daddiu", "t,r,j", AT, AT, (int) BFD_RELOC_LO16); macro_build ((char *) NULL, &icnt, (expressionS *) NULL, - mips_isa < 3 ? "addu" : "daddu", + mips_opts.isa < 3 ? "addu" : "daddu", "d,v,t", tempreg, tempreg, AT); (void) frag_var (rs_machine_dependent, 0, 0, RELAX_ENCODE (0, 0, -16 + off1, -8, 0, 0), @@ -4117,7 +4146,7 @@ macro (ip) macro_build ((char *) NULL, &icnt, &offset_expr, "lui", "t,u", tempreg, (int) BFD_RELOC_MIPS_GOT_HI16); macro_build ((char *) NULL, &icnt, (expressionS *) NULL, - mips_isa < 3 ? "addu" : "daddu", + mips_opts.isa < 3 ? "addu" : "daddu", "d,v,t", tempreg, tempreg, GP); macro_build ((char *) NULL, &icnt, &offset_expr, dbl ? "ld" : "lw", @@ -4143,7 +4172,7 @@ macro (ip) RELAX_ENCODE (12 + off, 12 + gpdel, gpdel, 8 + gpdel, 0, (breg == 0 - ? mips_warn_about_macros + ? mips_opts.warn_about_macros : 0)), offset_expr.X_add_symbol, (offsetT) 0, (char *) NULL); @@ -4154,13 +4183,13 @@ macro (ip) macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "nop", ""); macro_build ((char *) NULL, &icnt, &expr1, - mips_isa < 3 ? "addiu" : "daddiu", + mips_opts.isa < 3 ? "addiu" : "daddiu", "t,r,j", tempreg, tempreg, (int) BFD_RELOC_LO16); p = frag_var (rs_machine_dependent, 12 + gpdel, 0, RELAX_ENCODE (20, 12 + gpdel, gpdel, 8 + gpdel, 0, (breg == 0 - ? mips_warn_about_macros + ? mips_opts.warn_about_macros : 0)), offset_expr.X_add_symbol, (offsetT) 0, (char *) NULL); @@ -4187,7 +4216,7 @@ macro (ip) macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "nop", ""); macro_build ((char *) NULL, &icnt, (expressionS *) NULL, - mips_isa < 3 ? "addu" : "daddu", + mips_opts.isa < 3 ? "addu" : "daddu", "d,v,t", treg, AT, breg); dreg = treg; adj = 8; @@ -4201,17 +4230,17 @@ macro (ip) mips_optimize = hold_mips_optimize; macro_build ((char *) NULL, &icnt, &expr1, - mips_isa < 3 ? "addiu" : "daddiu", + mips_opts.isa < 3 ? "addiu" : "daddiu", "t,r,j", AT, AT, (int) BFD_RELOC_LO16); macro_build ((char *) NULL, &icnt, (expressionS *) NULL, - mips_isa < 3 ? "addu" : "daddu", + mips_opts.isa < 3 ? "addu" : "daddu", "d,v,t", dreg, dreg, AT); p = frag_var (rs_machine_dependent, 16 + gpdel + adj, 0, RELAX_ENCODE (24 + adj, 16 + gpdel + adj, gpdel, 8 + gpdel, 0, (breg == 0 - ? mips_warn_about_macros + ? mips_opts.warn_about_macros : 0)), offset_expr.X_add_symbol, (offsetT) 0, (char *) NULL); @@ -4236,7 +4265,7 @@ macro (ip) macro_build (p, &icnt, (expressionS *) NULL, "nop", ""); p += 4; macro_build (p, &icnt, &expr1, - mips_isa < 3 ? "addiu" : "daddiu", + mips_opts.isa < 3 ? "addiu" : "daddiu", "t,r,j", tempreg, tempreg, (int) BFD_RELOC_LO16); /* FIXME: If add_number is 0, and there was no base register, the external symbol case ended with a load, @@ -4254,7 +4283,7 @@ macro (ip) macro_build (p, &icnt, (expressionS *) NULL, "nop", ""); p += 4; macro_build (p, &icnt, (expressionS *) NULL, - mips_isa < 3 ? "addu" : "daddu", + mips_opts.isa < 3 ? "addu" : "daddu", "d,v,t", treg, AT, breg); p += 4; tempreg = treg; @@ -4266,11 +4295,11 @@ macro (ip) macro_build_lui (p, &icnt, &expr1, AT); p += 4; macro_build (p, &icnt, &expr1, - mips_isa < 3 ? "addiu" : "daddiu", + mips_opts.isa < 3 ? "addiu" : "daddiu", "t,r,j", AT, AT, (int) BFD_RELOC_LO16); p += 4; macro_build (p, &icnt, (expressionS *) NULL, - mips_isa < 3 ? "addu" : "daddu", + mips_opts.isa < 3 ? "addu" : "daddu", "d,v,t", tempreg, tempreg, AT); p += 4; } @@ -4281,7 +4310,7 @@ macro (ip) addiu $tempreg,$gp,<sym> (BFD_RELOC_MIPS_GPREL) */ macro_build ((char *) NULL, &icnt, &offset_expr, - mips_isa < 3 ? "addiu" : "daddiu", + mips_opts.isa < 3 ? "addiu" : "daddiu", "t,r,j", tempreg, GP, (int) BFD_RELOC_MIPS_GPREL); } else @@ -4289,7 +4318,7 @@ macro (ip) if (breg != 0) macro_build ((char *) NULL, &icnt, (expressionS *) NULL, - mips_isa < 3 ? "addu" : "daddu", + mips_opts.isa < 3 ? "addu" : "daddu", "d,v,t", treg, tempreg, breg); if (! used_at) @@ -4331,7 +4360,7 @@ macro (ip) { expr1.X_add_number = mips_cprestore_offset; macro_build ((char *) NULL, &icnt, &expr1, - mips_isa < 3 ? "lw" : "ld", + mips_opts.isa < 3 ? "lw" : "ld", "t,o(b)", GP, (int) BFD_RELOC_LO16, mips_frame_reg); } } @@ -4372,7 +4401,7 @@ macro (ip) if (! mips_big_got) { macro_build ((char *) NULL, &icnt, &offset_expr, - mips_isa < 3 ? "lw" : "ld", + mips_opts.isa < 3 ? "lw" : "ld", "t,o(b)", PIC_CALL_REG, (int) BFD_RELOC_MIPS_CALL16, GP); macro_build ((char *) NULL, &icnt, (expressionS *) NULL, @@ -4393,10 +4422,10 @@ macro (ip) macro_build ((char *) NULL, &icnt, &offset_expr, "lui", "t,u", PIC_CALL_REG, (int) BFD_RELOC_MIPS_CALL_HI16); macro_build ((char *) NULL, &icnt, (expressionS *) NULL, - mips_isa < 3 ? "addu" : "daddu", + mips_opts.isa < 3 ? "addu" : "daddu", "d,v,t", PIC_CALL_REG, PIC_CALL_REG, GP); macro_build ((char *) NULL, &icnt, &offset_expr, - mips_isa < 3 ? "lw" : "ld", + mips_opts.isa < 3 ? "lw" : "ld", "t,o(b)", PIC_CALL_REG, (int) BFD_RELOC_MIPS_CALL_LO16, PIC_CALL_REG); macro_build ((char *) NULL, &icnt, (expressionS *) NULL, @@ -4412,7 +4441,7 @@ macro (ip) p += 4; } macro_build (p, &icnt, &offset_expr, - mips_isa < 3 ? "lw" : "ld", + mips_opts.isa < 3 ? "lw" : "ld", "t,o(b)", PIC_CALL_REG, (int) BFD_RELOC_MIPS_GOT16, GP); p += 4; @@ -4420,7 +4449,7 @@ macro (ip) p += 4; } macro_build (p, &icnt, &offset_expr, - mips_isa < 3 ? "addiu" : "daddiu", + mips_opts.isa < 3 ? "addiu" : "daddiu", "t,r,j", PIC_CALL_REG, PIC_CALL_REG, (int) BFD_RELOC_LO16); macro_build ((char *) NULL, &icnt, (expressionS *) NULL, @@ -4429,12 +4458,12 @@ macro (ip) as_warn ("No .cprestore pseudo-op used in PIC code"); else { - if (mips_noreorder) + if (mips_opts.noreorder) macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "nop", ""); expr1.X_add_number = mips_cprestore_offset; macro_build ((char *) NULL, &icnt, &expr1, - mips_isa < 3 ? "lw" : "ld", + mips_opts.isa < 3 ? "lw" : "ld", "t,o(b)", GP, (int) BFD_RELOC_LO16, mips_frame_reg); } @@ -4657,8 +4686,9 @@ macro (ip) treg, (int) BFD_RELOC_MIPS_GPREL, GP); p = frag_var (rs_machine_dependent, 8, 0, RELAX_ENCODE (4, 8, 0, 4, 0, - (mips_warn_about_macros - || (used_at && mips_noat))), + (mips_opts.warn_about_macros + || (used_at + && mips_opts.noat))), offset_expr.X_add_symbol, (offsetT) 0, (char *) NULL); used_at = 0; @@ -4678,7 +4708,7 @@ macro (ip) { frag_grow (28); macro_build ((char *) NULL, &icnt, (expressionS *) NULL, - mips_isa < 3 ? "addu" : "daddu", + mips_opts.isa < 3 ? "addu" : "daddu", "d,v,t", tempreg, breg, GP); macro_build ((char *) NULL, &icnt, &offset_expr, s, fmt, treg, (int) BFD_RELOC_MIPS_GPREL, tempreg); @@ -4691,7 +4721,7 @@ macro (ip) if (p != NULL) p += 4; macro_build (p, &icnt, (expressionS *) NULL, - mips_isa < 3 ? "addu" : "daddu", + mips_opts.isa < 3 ? "addu" : "daddu", "d,v,t", tempreg, tempreg, breg); if (p != NULL) p += 4; @@ -4724,7 +4754,7 @@ macro (ip) as_bad ("PIC code offset overflow (max 16 signed bits)"); frag_grow (20); macro_build ((char *) NULL, &icnt, &offset_expr, - mips_isa < 3 ? "lw" : "ld", + mips_opts.isa < 3 ? "lw" : "ld", "t,o(b)", tempreg, (int) BFD_RELOC_MIPS_GOT16, GP); macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "nop", ""); p = frag_var (rs_machine_dependent, 4, 0, @@ -4732,11 +4762,11 @@ macro (ip) offset_expr.X_add_symbol, (offsetT) 0, (char *) NULL); macro_build (p, &icnt, &offset_expr, - mips_isa < 3 ? "addiu" : "daddiu", + mips_opts.isa < 3 ? "addiu" : "daddiu", "t,r,j", tempreg, tempreg, (int) BFD_RELOC_LO16); if (breg != 0) macro_build ((char *) NULL, &icnt, (expressionS *) NULL, - mips_isa < 3 ? "addu" : "daddu", + mips_opts.isa < 3 ? "addu" : "daddu", "d,v,t", tempreg, tempreg, breg); macro_build ((char *) NULL, &icnt, &expr1, s, fmt, treg, (int) BFD_RELOC_LO16, tempreg); @@ -4775,10 +4805,10 @@ macro (ip) macro_build ((char *) NULL, &icnt, &offset_expr, "lui", "t,u", tempreg, (int) BFD_RELOC_MIPS_GOT_HI16); macro_build ((char *) NULL, &icnt, (expressionS *) NULL, - mips_isa < 3 ? "addu" : "daddu", + mips_opts.isa < 3 ? "addu" : "daddu", "d,v,t", tempreg, tempreg, GP); macro_build ((char *) NULL, &icnt, &offset_expr, - mips_isa < 3 ? "lw" : "ld", + mips_opts.isa < 3 ? "lw" : "ld", "t,o(b)", tempreg, (int) BFD_RELOC_MIPS_GOT_LO16, tempreg); p = frag_var (rs_machine_dependent, 12 + gpdel, 0, @@ -4790,17 +4820,17 @@ macro (ip) p += 4; } macro_build (p, &icnt, &offset_expr, - mips_isa < 3 ? "lw" : "ld", + mips_opts.isa < 3 ? "lw" : "ld", "t,o(b)", tempreg, (int) BFD_RELOC_MIPS_GOT16, GP); p += 4; macro_build (p, &icnt, (expressionS *) NULL, "nop", ""); p += 4; macro_build (p, &icnt, &offset_expr, - mips_isa < 3 ? "addiu" : "daddiu", + mips_opts.isa < 3 ? "addiu" : "daddiu", "t,r,j", tempreg, tempreg, (int) BFD_RELOC_LO16); if (breg != 0) macro_build ((char *) NULL, &icnt, (expressionS *) NULL, - mips_isa < 3 ? "addu" : "daddu", + mips_opts.isa < 3 ? "addu" : "daddu", "d,v,t", tempreg, tempreg, breg); macro_build ((char *) NULL, &icnt, &expr1, s, fmt, treg, (int) BFD_RELOC_LO16, tempreg); @@ -4823,7 +4853,7 @@ macro (ip) else { macro_build ((char *) NULL, &icnt, (expressionS *) NULL, - mips_isa < 3 ? "addu" : "daddu", + mips_opts.isa < 3 ? "addu" : "daddu", "d,v,t", tempreg, breg, GP); macro_build ((char *) NULL, &icnt, &offset_expr, s, fmt, treg, (int) BFD_RELOC_MIPS_GPREL, tempreg); @@ -4877,7 +4907,7 @@ macro (ip) else if (mips_pic == SVR4_PIC) { macro_build ((char *) NULL, &icnt, &offset_expr, - mips_isa < 3 ? "lw" : "ld", + mips_opts.isa < 3 ? "lw" : "ld", "t,o(b)", AT, (int) BFD_RELOC_MIPS_GOT16, GP); } else if (mips_pic == EMBEDDED_PIC) @@ -4885,7 +4915,7 @@ macro (ip) /* For embedded PIC we pick up the entire address off $gp in a single instruction. */ macro_build ((char *) NULL, &icnt, &offset_expr, - mips_isa < 3 ? "addiu" : "daddiu", + mips_opts.isa < 3 ? "addiu" : "daddiu", "t,r,j", AT, GP, (int) BFD_RELOC_MIPS_GPREL); offset_expr.X_op = O_constant; offset_expr.X_add_number = 0; @@ -4894,7 +4924,7 @@ macro (ip) abort (); /* Now we load the register(s). */ - if (mips_isa >= 3) + if (mips_opts.isa >= 3) macro_build ((char *) NULL, &icnt, &offset_expr, "ld", "t,o(b)", treg, (int) BFD_RELOC_LO16, AT); else @@ -4924,7 +4954,7 @@ macro (ip) s = segment_name (S_GET_SEGMENT (offset_expr.X_add_symbol)); if (strcmp (s, ".lit8") == 0) { - if (mips_isa >= 2) + if (mips_opts.isa >= 2) { macro_build ((char *) NULL, &icnt, &offset_expr, "ldc1", "T,o(b)", treg, (int) BFD_RELOC_MIPS_LITERAL, GP); @@ -4939,7 +4969,7 @@ macro (ip) assert (strcmp (s, RDATA_SECTION_NAME) == 0); if (mips_pic == SVR4_PIC) macro_build ((char *) NULL, &icnt, &offset_expr, - mips_isa < 3 ? "lw" : "ld", + mips_opts.isa < 3 ? "lw" : "ld", "t,o(b)", AT, (int) BFD_RELOC_MIPS_GOT16, GP); else { @@ -4947,7 +4977,7 @@ macro (ip) macro_build_lui ((char *) NULL, &icnt, &offset_expr, AT); } - if (mips_isa >= 2) + if (mips_opts.isa >= 2) { macro_build ((char *) NULL, &icnt, &offset_expr, "ldc1", "T,o(b)", treg, (int) BFD_RELOC_LO16, AT); @@ -4969,7 +4999,7 @@ macro (ip) to adjust when loading from memory. */ r = BFD_RELOC_LO16; dob: - assert (mips_isa < 2); + assert (mips_opts.isa < 2); macro_build ((char *) NULL, &icnt, &offset_expr, "lwc1", "T,o(b)", target_big_endian ? treg + 1 : treg, (int) r, breg); @@ -5003,7 +5033,7 @@ macro (ip) */ /* Itbl support may require additional care here. */ coproc = 1; - if (mips_isa >= 2) + if (mips_opts.isa >= 2) { s = "ldc1"; goto ld; @@ -5014,7 +5044,7 @@ macro (ip) goto ldd_std; case M_S_DAB: - if (mips_isa >= 2) + if (mips_opts.isa >= 2) { s = "sdc1"; goto st; @@ -5027,7 +5057,7 @@ macro (ip) goto ldd_std; case M_LD_AB: - if (mips_isa >= 3) + if (mips_opts.isa >= 3) { s = "ld"; goto ld; @@ -5038,7 +5068,7 @@ macro (ip) goto ldd_std; case M_SD_AB: - if (mips_isa >= 3) + if (mips_opts.isa >= 3) { s = "sd"; goto st; @@ -5100,7 +5130,7 @@ macro (ip) { frag_grow (36); macro_build ((char *) NULL, &icnt, (expressionS *) NULL, - mips_isa < 3 ? "addu" : "daddu", + mips_opts.isa < 3 ? "addu" : "daddu", "d,v,t", AT, breg, GP); tempreg = AT; off = 4; @@ -5125,7 +5155,7 @@ macro (ip) p = frag_var (rs_machine_dependent, 12 + off, 0, RELAX_ENCODE (8 + off, 12 + off, 0, 4 + off, 1, - used_at && mips_noat), + used_at && mips_opts.noat), offset_expr.X_add_symbol, (offsetT) 0, (char *) NULL); @@ -5146,7 +5176,7 @@ macro (ip) if (breg != 0) { macro_build (p, &icnt, (expressionS *) NULL, - mips_isa < 3 ? "addu" : "daddu", + mips_opts.isa < 3 ? "addu" : "daddu", "d,v,t", AT, breg, AT); if (p != NULL) p += 4; @@ -5193,12 +5223,12 @@ macro (ip) off = 4; frag_grow (24 + off); macro_build ((char *) NULL, &icnt, &offset_expr, - mips_isa < 3 ? "lw" : "ld", + mips_opts.isa < 3 ? "lw" : "ld", "t,o(b)", AT, (int) BFD_RELOC_MIPS_GOT16, GP); macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "nop", ""); if (breg != 0) macro_build ((char *) NULL, &icnt, (expressionS *) NULL, - mips_isa < 3 ? "addu" : "daddu", + mips_opts.isa < 3 ? "addu" : "daddu", "d,v,t", AT, breg, AT); /* Itbl support may require additional care here. */ macro_build ((char *) NULL, &icnt, &expr1, s, fmt, @@ -5258,15 +5288,15 @@ macro (ip) macro_build ((char *) NULL, &icnt, &offset_expr, "lui", "t,u", AT, (int) BFD_RELOC_MIPS_GOT_HI16); macro_build ((char *) NULL, &icnt, (expressionS *) NULL, - mips_isa < 3 ? "addu" : "daddu", + mips_opts.isa < 3 ? "addu" : "daddu", "d,v,t", AT, AT, GP); macro_build ((char *) NULL, &icnt, &offset_expr, - mips_isa < 3 ? "lw" : "ld", + mips_opts.isa < 3 ? "lw" : "ld", "t,o(b)", AT, (int) BFD_RELOC_MIPS_GOT_LO16, AT); macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "nop", ""); if (breg != 0) macro_build ((char *) NULL, &icnt, (expressionS *) NULL, - mips_isa < 3 ? "addu" : "daddu", + mips_opts.isa < 3 ? "addu" : "daddu", "d,v,t", AT, breg, AT); /* Itbl support may require additional care here. */ macro_build ((char *) NULL, &icnt, &expr1, s, fmt, @@ -5296,7 +5326,7 @@ macro (ip) p += 4; } macro_build (p, &icnt, &offset_expr, - mips_isa < 3 ? "lw" : "ld", + mips_opts.isa < 3 ? "lw" : "ld", "t,o(b)", AT, (int) BFD_RELOC_MIPS_GOT16, GP); p += 4; macro_build (p, &icnt, (expressionS *) NULL, "nop", ""); @@ -5304,7 +5334,7 @@ macro (ip) if (breg != 0) { macro_build (p, &icnt, (expressionS *) NULL, - mips_isa < 3 ? "addu" : "daddu", + mips_opts.isa < 3 ? "addu" : "daddu", "d,v,t", AT, breg, AT); p += 4; } @@ -5343,7 +5373,7 @@ macro (ip) else { macro_build ((char *) NULL, &icnt, (expressionS *) NULL, - mips_isa < 3 ? "addu" : "daddu", + mips_opts.isa < 3 ? "addu" : "daddu", "d,v,t", AT, breg, GP); tempreg = AT; used_at = 1; @@ -5373,7 +5403,7 @@ macro (ip) case M_SD_OB: s = "sw"; sd_ob: - assert (mips_isa < 3); + assert (mips_opts.isa < 3); macro_build ((char *) NULL, &icnt, &offset_expr, s, "t,o(b)", treg, (int) BFD_RELOC_LO16, breg); offset_expr.X_add_number += 4; @@ -5436,7 +5466,7 @@ macro (ip) macro2 (ip); return; } - if (mips_noat) + if (mips_opts.noat) as_warn ("Macro used $at after \".set noat\""); } @@ -5502,7 +5532,7 @@ macro2 (ip) dbl = 1; case M_MULO: mips_emit_delays (true); - ++mips_noreorder; + ++mips_opts.noreorder; mips_any_noreorder = 1; macro_build ((char *) NULL, &icnt, NULL, dbl ? "dmult" : "mult", @@ -5521,7 +5551,7 @@ macro2 (ip) macro_build ((char *) NULL, &icnt, NULL, "nop", "", 0); macro_build ((char *) NULL, &icnt, NULL, "break", "c", 6); } - --mips_noreorder; + --mips_opts.noreorder; macro_build ((char *) NULL, &icnt, NULL, "mflo", "d", dreg); break; @@ -5529,7 +5559,7 @@ macro2 (ip) dbl = 1; case M_MULOU: mips_emit_delays (true); - ++mips_noreorder; + ++mips_opts.noreorder; mips_any_noreorder = 1; macro_build ((char *) NULL, &icnt, NULL, dbl ? "dmultu" : "multu", @@ -5545,7 +5575,7 @@ macro2 (ip) macro_build ((char *) NULL, &icnt, NULL, "nop", "", 0); macro_build ((char *) NULL, &icnt, NULL, "break", "c", 6); } - --mips_noreorder; + --mips_opts.noreorder; break; case M_ROL: @@ -5581,7 +5611,7 @@ macro2 (ip) break; case M_S_DOB: - assert (mips_isa < 2); + assert (mips_opts.isa < 2); /* Even on a big endian machine $fn comes before $fn+1. We have to adjust when storing to memory. */ macro_build ((char *) NULL, &icnt, &offset_expr, "swc1", "T,o(b)", @@ -5633,7 +5663,7 @@ macro2 (ip) { imm_expr.X_add_number = -imm_expr.X_add_number; macro_build ((char *) NULL, &icnt, &imm_expr, - mips_isa < 3 ? "addiu" : "daddiu", + mips_opts.isa < 3 ? "addiu" : "daddiu", "t,r,j", dreg, sreg, (int) BFD_RELOC_LO16); used_at = 0; @@ -5778,7 +5808,7 @@ macro2 (ip) as_warn ("Instruction %s: result is always true", ip->insn_mo->name); macro_build ((char *) NULL, &icnt, &expr1, - mips_isa < 3 ? "addiu" : "daddiu", + mips_opts.isa < 3 ? "addiu" : "daddiu", "t,r,j", dreg, 0, (int) BFD_RELOC_LO16); return; } @@ -5792,7 +5822,7 @@ macro2 (ip) { imm_expr.X_add_number = -imm_expr.X_add_number; macro_build ((char *) NULL, &icnt, &imm_expr, - mips_isa < 3 ? "addiu" : "daddiu", + mips_opts.isa < 3 ? "addiu" : "daddiu", "t,r,j", dreg, sreg, (int) BFD_RELOC_LO16); used_at = 0; } @@ -5866,7 +5896,7 @@ macro2 (ip) case M_TRUNCWD: case M_TRUNCWS: - assert (mips_isa < 2); + assert (mips_opts.isa < 2); sreg = (ip->insn_opcode >> 11) & 0x1f; /* floating reg */ dreg = (ip->insn_opcode >> 06) & 0x1f; /* floating reg */ @@ -5875,7 +5905,7 @@ macro2 (ip) * or is there a reason for it? */ mips_emit_delays (true); - ++mips_noreorder; + ++mips_opts.noreorder; mips_any_noreorder = 1; macro_build ((char *) NULL, &icnt, NULL, "cfc1", "t,G", treg, 31); macro_build ((char *) NULL, &icnt, NULL, "cfc1", "t,G", treg, 31); @@ -5892,7 +5922,7 @@ macro2 (ip) mask == M_TRUNCWD ? "cvt.w.d" : "cvt.w.s", "D,S", dreg, sreg); macro_build ((char *) NULL, &icnt, NULL, "ctc1", "t,G", treg, 31); macro_build ((char *) NULL, &icnt, NULL, "nop", ""); - --mips_noreorder; + --mips_opts.noreorder; break; case M_ULH: @@ -5955,7 +5985,7 @@ macro2 (ip) load_address (&icnt, AT, &offset_expr); if (breg != 0) macro_build ((char *) NULL, &icnt, (expressionS *) NULL, - mips_isa < 3 ? "addu" : "daddu", + mips_opts.isa < 3 ? "addu" : "daddu", "d,v,t", AT, AT, breg); if (! target_big_endian) expr1.X_add_number = off; @@ -5976,7 +6006,7 @@ macro2 (ip) load_address (&icnt, AT, &offset_expr); if (breg != 0) macro_build ((char *) NULL, &icnt, (expressionS *) NULL, - mips_isa < 3 ? "addu" : "daddu", + mips_opts.isa < 3 ? "addu" : "daddu", "d,v,t", AT, AT, breg); if (target_big_endian) expr1.X_add_number = 0; @@ -6048,7 +6078,7 @@ macro2 (ip) load_address (&icnt, AT, &offset_expr); if (breg != 0) macro_build ((char *) NULL, &icnt, (expressionS *) NULL, - mips_isa < 3 ? "addu" : "daddu", + mips_opts.isa < 3 ? "addu" : "daddu", "d,v,t", AT, AT, breg); if (! target_big_endian) expr1.X_add_number = off; @@ -6068,7 +6098,7 @@ macro2 (ip) load_address (&icnt, AT, &offset_expr); if (breg != 0) macro_build ((char *) NULL, &icnt, (expressionS *) NULL, - mips_isa < 3 ? "addu" : "daddu", + mips_opts.isa < 3 ? "addu" : "daddu", "d,v,t", AT, AT, breg); if (! target_big_endian) expr1.X_add_number = 0; @@ -6100,7 +6130,7 @@ macro2 (ip) as_bad ("Macro %s not implemented yet", ip->insn_mo->name); break; } - if (mips_noat) + if (mips_opts.noat) as_warn ("Macro used $at after \".set noat\""); } @@ -6148,7 +6178,7 @@ mips16_macro (ip) s = "mfhi"; do_div3: mips_emit_delays (true); - ++mips_noreorder; + ++mips_opts.noreorder; mips_any_noreorder = 1; macro_build ((char *) NULL, &icnt, NULL, dbl ? "ddiv" : "div", @@ -6160,7 +6190,7 @@ mips16_macro (ip) since that causes an overflow. We should do that as well, but I don't see how to do the comparisons without a temporary register. */ - --mips_noreorder; + --mips_opts.noreorder; macro_build ((char *) NULL, &icnt, NULL, s, "x", zreg); break; @@ -6181,13 +6211,13 @@ mips16_macro (ip) s2 = "mfhi"; do_divu3: mips_emit_delays (true); - ++mips_noreorder; + ++mips_opts.noreorder; mips_any_noreorder = 1; macro_build ((char *) NULL, &icnt, NULL, s, "0,x,y", xreg, yreg); expr1.X_add_number = 2; macro_build ((char *) NULL, &icnt, &expr1, "bnez", "x,p", yreg); macro_build ((char *) NULL, &icnt, NULL, "break", "6", 7); - --mips_noreorder; + --mips_opts.noreorder; macro_build ((char *) NULL, &icnt, NULL, s2, "x", zreg); break; @@ -6385,7 +6415,7 @@ mips_ip (str, ip) else insn_isa = 1; - if (insn_isa > mips_isa + if (insn_isa > mips_opts.isa || (insn->pinfo != INSN_MACRO && (((insn->pinfo & INSN_ISA) == INSN_4650 && ! mips_4650) @@ -6405,7 +6435,7 @@ mips_ip (str, ip) ++insn; continue; } - if (insn_isa <= mips_isa) + if (insn_isa <= mips_opts.isa) insn_error = "opcode not supported on this processor"; else { @@ -6644,7 +6674,7 @@ mips_ip (str, ip) goto notreg; } if (regno == AT - && ! mips_noat + && ! mips_opts.noat && *args != 'E' && *args != 'G') as_warn ("Used $at without \".set noat\""); @@ -6743,7 +6773,7 @@ mips_ip (str, ip) as_bad ("Invalid float register number (%d)", regno); if ((regno & 1) != 0 - && mips_isa < 3 + && mips_opts.isa < 3 && ! (strcmp (str, "mtc1") == 0 || strcmp (str, "mfc1") == 0 || strcmp (str, "lwc1") == 0 @@ -7011,7 +7041,7 @@ mips_ip (str, ip) && imm_expr.X_op == O_constant) || (more && imm_expr.X_add_number < 0 - && mips_isa >= 3 + && mips_opts.isa >= 3 && imm_expr.X_unsigned && sizeof (imm_expr.X_add_number) <= 4)) { @@ -7197,7 +7227,7 @@ mips16_ip (str, ip) return; } - if (! mips16_autoextend && ! mips16_ext) + if (mips_opts.noautoextend && ! mips16_ext) mips16_small = true; if ((insn = (struct mips_opcode *) hash_find (mips16_op_hash, str)) == NULL) @@ -7391,7 +7421,7 @@ mips16_ip (str, ip) case 'X': case 'Y': - if (regno == AT && ! mips_noat) + if (regno == AT && ! mips_opts.noat) as_warn ("used $at without \".set noat\""); break; @@ -7959,7 +7989,7 @@ my_getExpression (ep, str) then we bump the value of the symbol by 1 since that is how other text symbols are handled. We don't bother to handle complex expressions, just `.' plus or minus a constant. */ - if (mips16 + if (mips_opts.mips16 && ep->X_op == O_symbol && strcmp (S_GET_NAME (ep->X_add_symbol), FAKE_LABEL_NAME) == 0 && S_GET_SEGMENT (ep->X_add_symbol) == now_seg @@ -8148,25 +8178,25 @@ md_parse_option (c, arg) break; case OPTION_MIPS1: - mips_isa = 1; + mips_opts.isa = 1; if (mips_cpu == -1) mips_cpu = 3000; break; case OPTION_MIPS2: - mips_isa = 2; + mips_opts.isa = 2; if (mips_cpu == -1) mips_cpu = 6000; break; case OPTION_MIPS3: - mips_isa = 3; + mips_opts.isa = 3; if (mips_cpu == -1) mips_cpu = 4000; break; case OPTION_MIPS4: - mips_isa = 4; + mips_opts.isa = 4; if (mips_cpu == -1) mips_cpu = 8000; break; @@ -8331,12 +8361,12 @@ md_parse_option (c, arg) /* end-sanitize-r5900 */ case OPTION_MIPS16: - mips16 = 1; + mips_opts.mips16 = 1; mips_no_prev_insn (false); break; case OPTION_NO_MIPS16: - mips16 = 0; + mips_opts.mips16 = 0; mips_no_prev_insn (false); break; @@ -9283,6 +9313,18 @@ s_option (x) demand_empty_rest_of_line (); } +/* This structure is used to hold a stack of .set values. */ + +struct mips_option_stack +{ + struct mips_option_stack *next; + struct mips_set_options options; +}; + +static struct mips_option_stack *mips_opts_stack; + +/* Handle the .set pseudo-op. */ + static void s_mipsset (x) int x; @@ -9296,62 +9338,63 @@ s_mipsset (x) if (strcmp (name, "reorder") == 0) { - if (mips_noreorder && prev_nop_frag != NULL) + if (mips_opts.noreorder && prev_nop_frag != NULL) { /* If we still have pending nops, we can discard them. The usual nop handling will insert any that are still needed. */ - prev_nop_frag->fr_fix -= prev_nop_frag_holds * (mips16 ? 2 : 4); + prev_nop_frag->fr_fix -= (prev_nop_frag_holds + * (mips_opts.mips16 ? 2 : 4)); prev_nop_frag = NULL; } - mips_noreorder = 0; + mips_opts.noreorder = 0; } else if (strcmp (name, "noreorder") == 0) { mips_emit_delays (true); - mips_noreorder = 1; + mips_opts.noreorder = 1; mips_any_noreorder = 1; } else if (strcmp (name, "at") == 0) { - mips_noat = 0; + mips_opts.noat = 0; } else if (strcmp (name, "noat") == 0) { - mips_noat = 1; + mips_opts.noat = 1; } else if (strcmp (name, "macro") == 0) { - mips_warn_about_macros = 0; + mips_opts.warn_about_macros = 0; } else if (strcmp (name, "nomacro") == 0) { - if (mips_noreorder == 0) + if (mips_opts.noreorder == 0) as_bad ("`noreorder' must be set before `nomacro'"); - mips_warn_about_macros = 1; + mips_opts.warn_about_macros = 1; } else if (strcmp (name, "move") == 0 || strcmp (name, "novolatile") == 0) { - mips_nomove = 0; + mips_opts.nomove = 0; } else if (strcmp (name, "nomove") == 0 || strcmp (name, "volatile") == 0) { - mips_nomove = 1; + mips_opts.nomove = 1; } else if (strcmp (name, "bopt") == 0) { - mips_nobopt = 0; + mips_opts.nobopt = 0; } else if (strcmp (name, "nobopt") == 0) { - mips_nobopt = 1; + mips_opts.nobopt = 1; } else if (strcmp (name, "mips16") == 0 || strcmp (name, "MIPS-16") == 0) - mips16 = 1; + mips_opts.mips16 = 1; else if (strcmp (name, "nomips16") == 0 || strcmp (name, "noMIPS-16") == 0) - mips16 = 0; + mips_opts.mips16 = 0; else if (strncmp (name, "mips", 4) == 0) { int isa; @@ -9360,16 +9403,53 @@ s_mipsset (x) say, misuse can cause serious problems. */ isa = atoi (name + 4); if (isa == 0) - mips_isa = file_mips_isa; + mips_opts.isa = file_mips_isa; else if (isa < 1 || isa > 4) as_bad ("unknown ISA level"); else - mips_isa = isa; + mips_opts.isa = isa; } else if (strcmp (name, "autoextend") == 0) - mips16_autoextend = 1; + mips_opts.noautoextend = 0; else if (strcmp (name, "noautoextend") == 0) - mips16_autoextend = 0; + mips_opts.noautoextend = 1; + else if (strcmp (name, "push") == 0) + { + struct mips_option_stack *s; + + s = (struct mips_option_stack *) xmalloc (sizeof *s); + s->next = mips_opts_stack; + s->options = mips_opts; + mips_opts_stack = s; + } + else if (strcmp (name, "pop") == 0) + { + struct mips_option_stack *s; + + s = mips_opts_stack; + if (s == NULL) + as_bad (".set pop with no .set push"); + else + { + /* If we're changing the reorder mode we need to handle + delay slots correctly. */ + if (s->options.noreorder && ! mips_opts.noreorder) + mips_emit_delays (true); + else if (! s->options.noreorder && mips_opts.noreorder) + { + if (prev_nop_frag != NULL) + { + prev_nop_frag->fr_fix -= (prev_nop_frag_holds + * (mips_opts.mips16 ? 2 : 4)); + prev_nop_frag = NULL; + } + } + + mips_opts = s->options; + mips_opts_stack = s->next; + free (s); + } + } else { as_warn ("Tried to set unrecognized symbol: %s\n", name); @@ -9421,7 +9501,7 @@ s_cpload (ignore) } /* .cpload should be a in .set noreorder section. */ - if (mips_noreorder == 0) + if (mips_opts.noreorder == 0) as_warn (".cpload not in noreorder section"); ex.X_op = O_symbol; @@ -9468,7 +9548,7 @@ s_cprestore (ignore) ex.X_add_number = mips_cprestore_offset; macro_build ((char *) NULL, &icnt, &ex, - mips_isa < 3 ? "sw" : "sd", + mips_opts.isa < 3 ? "sw" : "sd", "t,o(b)", GP, (int) BFD_RELOC_LO16, SP); demand_empty_rest_of_line (); @@ -9534,7 +9614,7 @@ s_cpadd (ignore) /* Add $gp to the register named as an argument. */ reg = tc_get_register (0); macro_build ((char *) NULL, &icnt, (expressionS *) NULL, - mips_isa < 3 ? "addu" : "daddu", + mips_opts.isa < 3 ? "addu" : "daddu", "d,v,t", reg, reg, GP); demand_empty_rest_of_line (); @@ -9553,23 +9633,26 @@ static void s_insn (ignore) int ignore; { - if (mips16) - { - struct insn_label_list *l; + if (mips_opts.mips16) + mips16_mark_labels (); - for (l = insn_labels; l != NULL; l = l->next) - { -#ifdef S_SET_OTHER - if (OUTPUT_FLAVOR == bfd_target_elf_flavour) - S_SET_OTHER (l->label, STO_MIPS16); -#endif - ++l->label->sy_value.X_add_number; - } + demand_empty_rest_of_line (); +} - mips_clear_insn_labels (); - } +/* Handle a .stabn directive. We need these in order to mark a label + as being a mips16 text label correctly. Sometimes the compiler + will emit a label, followed by a .stabn, and then switch sections. + If the label and .stabn are in mips16 mode, then the label is + really a mips16 text label. */ - demand_empty_rest_of_line (); +static void +s_mips_stab (type) + int type; +{ + if (type == 'n' && mips_opts.mips16) + mips16_mark_labels (); + + s_stab (type); } /* Parse a register string into a number. Called from the ECOFF code |