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https://github.com/darlinghq/darling-gdb.git
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* config/tc-mips.c (mips_emit_delays): Replace magic constant for RA
by the define. Remove superfluous check of mips_opts.mips16. (append_insn): Likewise. Canonicalize variable increments. (macro_build): Canonicalize variable increments. (macro_build_lui): Likewise. (load_register): Likewise. (load_address): Move pointer initialization. (macro): Move pointer to a more local scope. Canonicalize variable increments. Better comments. Replace magic constant for RA by the define. (macro2): Replace magic constant for RA by the define. Canonicalize variable increments. (mips_ip): Canonicalize variable increments. (mips16_ip): Replace magic constant for RA by the define. (my_getSmallParser): Canonicalize variable increments/decrements. (my_getPercentOp): Likewise. (my_getSmallExpression): Likewise. (s_align): Likewise. (s_mipsset): Likewise. (s_cpsetup): Likewise. (s_insn): Remove superfluous check of mips_opts.mips16. (s_mips_stab): Likewise. (mips_handle_align): Canonicalize variable increments. (s_mips_ent): Likewise. (s_mips_end): Add comment.
This commit is contained in:
Thiemo Seufer
parent
f2c762e031
commit
f9419b056f
@ -1,3 +1,31 @@
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2002-05-26 Thiemo Seufer <seufer@csv.ica.uni-stuttgart.de>
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* config/tc-mips.c (mips_emit_delays): Replace magic constant for RA
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by the define. Remove superfluous check of mips_opts.mips16.
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(append_insn): Likewise. Canonicalize variable increments.
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(macro_build): Canonicalize variable increments.
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(macro_build_lui): Likewise.
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(load_register): Likewise.
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(load_address): Move pointer initialization.
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(macro): Move pointer to a more local scope. Canonicalize variable
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increments. Better comments. Replace magic constant for RA by the
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define.
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(macro2): Replace magic constant for RA by the define. Canonicalize
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variable increments.
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(mips_ip): Canonicalize variable increments.
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(mips16_ip): Replace magic constant for RA by the define.
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(my_getSmallParser): Canonicalize variable increments/decrements.
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(my_getPercentOp): Likewise.
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(my_getSmallExpression): Likewise.
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(s_align): Likewise.
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(s_mipsset): Likewise.
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(s_cpsetup): Likewise.
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(s_insn): Remove superfluous check of mips_opts.mips16.
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(s_mips_stab): Likewise.
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(mips_handle_align): Canonicalize variable increments.
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(s_mips_ent): Likewise.
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(s_mips_end): Add comment.
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2002-05-26 Jason Thorpe <thorpej@wasabisystems.com>
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* configure.in: Use ns32k-*-netbsd* instead of ns32k-pc532-netbsd*.
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@ -1656,8 +1656,7 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi)
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int nops = 0;
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/* Mark instruction labels in mips16 mode. */
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if (mips_opts.mips16)
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mips16_mark_labels ();
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mips16_mark_labels ();
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prev_pinfo = prev_insn.insn_mo->pinfo;
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pinfo = ip->insn_mo->pinfo;
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@ -1815,7 +1814,7 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi)
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MIPS_GR_REG))
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{
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nops += 1;
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++nops;
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}
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else if (prev_pinfo & INSN_READ_LO)
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@ -1841,7 +1840,7 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi)
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else if (mips_opts.mips16
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&& (mips_optimize == 0
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|| (pinfo & MIPS16_INSN_BRANCH)))
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nops += 1;
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++nops;
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}
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else if (prev_insn.insn_mo->pinfo & INSN_READ_HI)
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{
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@ -1863,7 +1862,7 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi)
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else if (mips_opts.mips16
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&& (mips_optimize == 0
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|| (pinfo & MIPS16_INSN_BRANCH)))
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nops += 1;
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++nops;
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}
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/* If the previous instruction was in a noreorder section, then
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@ -1950,7 +1949,7 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi)
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val = (valueT) frag_now_fix ();
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/* mips16 text labels are stored as odd. */
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if (mips_opts.mips16)
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val += 1;
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++val;
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S_SET_VALUE (l->label, val);
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}
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@ -2248,7 +2247,7 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi)
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if (pinfo & INSN_READ_GPR_S)
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mips_gprmask |= 1 << ((ip->insn_opcode >> OP_SH_RS) & OP_MASK_RS);
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if (pinfo & INSN_WRITE_GPR_31)
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mips_gprmask |= 1 << 31;
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mips_gprmask |= 1 << RA;
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if (pinfo & INSN_WRITE_FPR_D)
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mips_cprmask[1] |= 1 << ((ip->insn_opcode >> OP_SH_FD) & OP_MASK_FD);
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if ((pinfo & (INSN_WRITE_FPR_S | INSN_READ_FPR_S)) != 0)
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@ -2441,7 +2440,7 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi)
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|| ((pinfo & INSN_WRITE_GPR_31)
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&& (((prev_insn.insn_opcode >> OP_SH_RT)
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& OP_MASK_RT)
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== 31))))
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== RA))))
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|| (! mips_opts.mips16
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&& (prev_pinfo & INSN_WRITE_GPR_D)
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&& (((pinfo & INSN_WRITE_GPR_D)
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@ -2450,7 +2449,7 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi)
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|| ((pinfo & INSN_WRITE_GPR_31)
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&& (((prev_insn.insn_opcode >> OP_SH_RD)
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& OP_MASK_RD)
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== 31))))
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== RA))))
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|| (mips_opts.mips16
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&& (pinfo & MIPS16_INSN_WRITE_31)
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&& ((prev_pinfo & MIPS16_INSN_WRITE_31)
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@ -2468,7 +2467,7 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi)
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MIPS_GR_REG))
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|| (! mips_opts.mips16
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&& (pinfo & INSN_WRITE_GPR_31)
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&& insn_uses_reg (&prev_insn, 31, MIPS_GR_REG))
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&& insn_uses_reg (&prev_insn, RA, MIPS_GR_REG))
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|| (mips_opts.mips16
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&& (pinfo & MIPS16_INSN_WRITE_31)
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&& insn_uses_reg (&prev_insn, RA, MIPS_GR_REG))
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@ -2826,14 +2825,14 @@ mips_emit_delays (insns)
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val = (valueT) frag_now_fix ();
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/* mips16 text labels are stored as odd. */
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if (mips_opts.mips16)
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val += 1;
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++val;
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S_SET_VALUE (l->label, val);
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}
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}
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}
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/* Mark instruction labels in mips16 mode. */
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if (mips_opts.mips16 && insns)
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if (insns)
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mips16_mark_labels ();
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mips_no_prev_insn (insns);
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@ -2894,7 +2893,7 @@ macro_build (place, counter, ep, name, fmt, va_alist)
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as_warn (_("Macro instruction expanded into multiple instructions in a branch delay slot"));
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if (place == NULL)
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*counter += 1; /* bump instruction counter */
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++*counter; /* bump instruction counter */
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if (mips_opts.mips16)
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{
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@ -3254,7 +3253,7 @@ macro_build_lui (place, counter, ep, regnum)
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as_warn (_("Macro instruction expanded into multiple instructions"));
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if (place == NULL)
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*counter += 1; /* bump instruction counter */
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++*counter; /* bump instruction counter */
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insn.insn_mo = (struct mips_opcode *) hash_find (op_hash, name);
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assert (insn.insn_mo);
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@ -3548,7 +3547,7 @@ load_register (counter, reg, ep, dbl)
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(shift >= 32) ? shift - 32 : shift);
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return;
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}
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shift++;
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++shift;
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}
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while (shift <= (64 - 16));
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@ -3668,7 +3667,7 @@ load_address (counter, reg, ep, dbl, used_at)
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int dbl;
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int *used_at;
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{
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char *p;
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char *p = NULL;
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if (ep->X_op != O_constant
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&& ep->X_op != O_symbol)
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@ -3711,8 +3710,6 @@ load_address (counter, reg, ep, dbl, used_at)
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*/
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if (dbl)
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{
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p = NULL;
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/* We don't do GP optimization for now because RELAX_ENCODE can't
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hold the data for such large chunks. */
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@ -3750,7 +3747,6 @@ load_address (counter, reg, ep, dbl, used_at)
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}
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else
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{
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p = NULL;
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if ((valueT) ep->X_add_number <= MAX_GPREL_OFFSET
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&& ! nopic_need_relax (ep->X_add_symbol, 1))
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{
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@ -3925,7 +3921,6 @@ macro (ip)
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offsetT maxnum;
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int off;
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bfd_reloc_code_real_type r;
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char *p;
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int hold_mips_optimize;
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assert (! mips_opts.mips16);
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@ -4119,7 +4114,7 @@ macro (ip)
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}
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if (imm_expr.X_op != O_constant)
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as_bad (_("Unsupported large constant"));
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imm_expr.X_add_number++;
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++imm_expr.X_add_number;
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/* FALLTHROUGH */
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case M_BGE_I:
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case M_BGEL_I:
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@ -4188,7 +4183,7 @@ macro (ip)
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goto do_false;
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if (imm_expr.X_op != O_constant)
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as_bad (_("Unsupported large constant"));
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imm_expr.X_add_number++;
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++imm_expr.X_add_number;
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/* FALLTHROUGH */
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case M_BGEU_I:
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case M_BGEUL_I:
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@ -4283,7 +4278,7 @@ macro (ip)
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goto do_true;
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if (imm_expr.X_op != O_constant)
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as_bad (_("Unsupported large constant"));
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imm_expr.X_add_number++;
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++imm_expr.X_add_number;
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/* FALLTHROUGH */
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case M_BLT_I:
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case M_BLTL_I:
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@ -4333,7 +4328,7 @@ macro (ip)
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goto do_true;
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if (imm_expr.X_op != O_constant)
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as_bad (_("Unsupported large constant"));
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imm_expr.X_add_number++;
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++imm_expr.X_add_number;
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/* FALLTHROUGH */
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case M_BLTU_I:
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case M_BLTUL_I:
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@ -4704,7 +4699,7 @@ macro (ip)
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dsll $tempreg,16
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daddiu $tempreg,<sym> (BFD_RELOC_LO16)
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*/
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p = NULL;
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char *p = NULL;
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if (HAVE_64BIT_ADDRESSES)
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{
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/* We don't do GP optimization for now because RELAX_ENCODE can't
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@ -4805,6 +4800,7 @@ macro (ip)
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if (expr1.X_add_number == 0)
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{
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int off;
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char *p;
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if (breg == 0)
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off = 0;
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@ -4894,6 +4890,7 @@ macro (ip)
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else if (mips_pic == SVR4_PIC)
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{
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int gpdel;
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char *p;
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int lui_reloc_type = (int) BFD_RELOC_MIPS_GOT_HI16;
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int lw_reloc_type = (int) BFD_RELOC_MIPS_GOT_LO16;
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@ -5199,11 +5196,13 @@ macro (ip)
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macro_build ((char *) NULL, &icnt, &offset_expr, "jal", "a");
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else if (mips_pic == SVR4_PIC)
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{
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char *p;
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/* If this is a reference to an external symbol, and we are
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using a small GOT, we want
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lw $25,<sym>($gp) (BFD_RELOC_MIPS_CALL16)
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nop
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jalr $25
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jalr $ra,$25
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nop
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lw $gp,cprestore($sp)
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The cprestore value is set using the .cprestore
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@ -5212,14 +5211,14 @@ macro (ip)
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addu $25,$25,$gp
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lw $25,<sym>($25) (BFD_RELOC_MIPS_CALL_LO16)
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nop
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jalr $25
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jalr $ra,$25
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nop
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lw $gp,cprestore($sp)
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If the symbol is not external, we want
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lw $25,<sym>($gp) (BFD_RELOC_MIPS_GOT16)
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nop
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addiu $25,$25,<sym> (BFD_RELOC_LO16)
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jalr $25
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jalr $ra,$25
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nop
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lw $gp,cprestore($sp) */
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frag_grow (40);
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@ -5543,6 +5542,8 @@ macro (ip)
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if (mips_pic == NO_PIC
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|| offset_expr.X_op == O_constant)
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{
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char *p;
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/* If this is a reference to a GP relative symbol, and there
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is no base register, we want
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<op> $treg,<sym>($gp) (BFD_RELOC_GPREL16)
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@ -5708,6 +5709,8 @@ macro (ip)
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}
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else if (mips_pic == SVR4_PIC && ! mips_big_got)
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{
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char *p;
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/* If this is a reference to an external symbol, we want
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lw $tempreg,<sym>($gp) (BFD_RELOC_MIPS_GOT16)
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nop
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@ -5750,6 +5753,7 @@ macro (ip)
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else if (mips_pic == SVR4_PIC)
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{
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int gpdel;
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char *p;
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/* If this is a reference to an external symbol, we want
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lui $tempreg,<sym> (BFD_RELOC_MIPS_GOT_HI16)
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@ -5945,7 +5949,7 @@ macro (ip)
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{
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macro_build ((char *) NULL, &icnt, &offset_expr, "lw", "t,o(b)",
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treg, (int) BFD_RELOC_LO16, AT);
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if (treg != 31)
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if (treg != RA)
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{
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/* FIXME: How in the world do we deal with the possible
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overflow here? */
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@ -6162,6 +6166,8 @@ macro (ip)
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if (mips_pic == NO_PIC
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|| offset_expr.X_op == O_constant)
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{
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char *p;
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/* If this is a reference to a GP relative symbol, we want
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<op> $treg,<sym>($gp) (BFD_RELOC_GPREL16)
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<op> $treg+1,<sym>+4($gp) (BFD_RELOC_GPREL16)
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@ -6329,6 +6335,7 @@ macro (ip)
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else if (mips_pic == SVR4_PIC)
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{
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int gpdel, off;
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char *p;
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/* If this is a reference to an external symbol, we want
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lui $at,<sym> (BFD_RELOC_MIPS_GOT_HI16)
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@ -6629,7 +6636,7 @@ macro2 (ip)
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macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "mflo", "d",
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dreg);
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macro_build ((char *) NULL, &icnt, (expressionS *) NULL,
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dbl ? "dsra32" : "sra", "d,w,<", dreg, dreg, 31);
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dbl ? "dsra32" : "sra", "d,w,<", dreg, dreg, RA);
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macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "mfhi", "d",
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AT);
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if (mips_trap)
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@ -7137,9 +7144,9 @@ macro2 (ip)
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++mips_opts.noreorder;
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mips_any_noreorder = 1;
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macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "cfc1", "t,G",
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treg, 31);
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treg, RA);
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macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "cfc1", "t,G",
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treg, 31);
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treg, RA);
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macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "nop", "");
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expr1.X_add_number = 3;
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macro_build ((char *) NULL, &icnt, &expr1, "ori", "t,r,i", AT, treg,
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@ -7148,12 +7155,12 @@ macro2 (ip)
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macro_build ((char *) NULL, &icnt, &expr1, "xori", "t,r,i", AT, AT,
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(int) BFD_RELOC_LO16);
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macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "ctc1", "t,G",
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AT, 31);
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AT, RA);
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macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "nop", "");
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macro_build ((char *) NULL, &icnt, (expressionS *) NULL,
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mask == M_TRUNCWD ? "cvt.w.d" : "cvt.w.s", "D,S", dreg, sreg);
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macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "ctc1", "t,G",
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treg, 31);
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treg, RA);
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macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "nop", "");
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--mips_opts.noreorder;
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break;
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@ -7168,13 +7175,13 @@ macro2 (ip)
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as_bad (_("operand overflow"));
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/* avoid load delay */
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if (! target_big_endian)
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offset_expr.X_add_number += 1;
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++offset_expr.X_add_number;
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macro_build ((char *) NULL, &icnt, &offset_expr, s, "t,o(b)", treg,
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(int) BFD_RELOC_LO16, breg);
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if (! target_big_endian)
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offset_expr.X_add_number -= 1;
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--offset_expr.X_add_number;
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else
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offset_expr.X_add_number += 1;
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++offset_expr.X_add_number;
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macro_build ((char *) NULL, &icnt, &offset_expr, "lbu", "t,o(b)", AT,
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(int) BFD_RELOC_LO16, breg);
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macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "sll", "d,w,<",
|
||||
@ -7266,15 +7273,15 @@ macro2 (ip)
|
||||
if (offset_expr.X_add_number >= 0x7fff)
|
||||
as_bad (_("operand overflow"));
|
||||
if (target_big_endian)
|
||||
offset_expr.X_add_number += 1;
|
||||
++offset_expr.X_add_number;
|
||||
macro_build ((char *) NULL, &icnt, &offset_expr, "sb", "t,o(b)", treg,
|
||||
(int) BFD_RELOC_LO16, breg);
|
||||
macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "srl", "d,w,<",
|
||||
AT, treg, 8);
|
||||
if (target_big_endian)
|
||||
offset_expr.X_add_number -= 1;
|
||||
--offset_expr.X_add_number;
|
||||
else
|
||||
offset_expr.X_add_number += 1;
|
||||
++offset_expr.X_add_number;
|
||||
macro_build ((char *) NULL, &icnt, &offset_expr, "sb", "t,o(b)", AT,
|
||||
(int) BFD_RELOC_LO16, breg);
|
||||
break;
|
||||
@ -8105,14 +8112,14 @@ mips_ip (str, ip)
|
||||
as_warn (_("Used $at without \".set noat\""));
|
||||
c = *args;
|
||||
if (*s == ' ')
|
||||
s++;
|
||||
++s;
|
||||
if (args[1] != *s)
|
||||
{
|
||||
if (c == 'r' || c == 'v' || c == 'w')
|
||||
{
|
||||
regno = lastregno;
|
||||
s = s_reset;
|
||||
args++;
|
||||
++args;
|
||||
}
|
||||
}
|
||||
/* 'z' only matches $0. */
|
||||
@ -8215,14 +8222,14 @@ mips_ip (str, ip)
|
||||
|
||||
c = *args;
|
||||
if (*s == ' ')
|
||||
s++;
|
||||
++s;
|
||||
if (args[1] != *s)
|
||||
{
|
||||
if (c == 'V' || c == 'W')
|
||||
{
|
||||
regno = lastregno;
|
||||
s = s_reset;
|
||||
args++;
|
||||
++args;
|
||||
}
|
||||
}
|
||||
switch (c)
|
||||
@ -8955,7 +8962,7 @@ mips16_ip (str, ip)
|
||||
{
|
||||
regno = mips16_to_32_reg_map[lastregno];
|
||||
s = s_reset;
|
||||
args++;
|
||||
++args;
|
||||
}
|
||||
}
|
||||
|
||||
@ -9223,7 +9230,7 @@ mips16_ip (str, ip)
|
||||
mask |= (reg2 - 3) << 3;
|
||||
else if (reg1 == 16 && reg2 >= 16 && reg2 <= 17)
|
||||
mask |= (reg2 - 15) << 1;
|
||||
else if (reg1 == 31 && reg2 == 31)
|
||||
else if (reg1 == RA && reg2 == RA)
|
||||
mask |= 1;
|
||||
else
|
||||
{
|
||||
@ -9532,9 +9539,9 @@ my_getSmallParser (str, len, nestlevel)
|
||||
for (s = *str + 1; *s && pcnt; s++, (*len)++)
|
||||
{
|
||||
if (*s == '(')
|
||||
pcnt++;
|
||||
++pcnt;
|
||||
else if (*s == ')')
|
||||
pcnt--;
|
||||
--pcnt;
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -9573,7 +9580,7 @@ my_getPercentOp (str, len, nestlevel)
|
||||
return S_EX_NONE;
|
||||
|
||||
*len = strlen (percent_op[i].str);
|
||||
(*nestlevel)++;
|
||||
++(*nestlevel);
|
||||
return type;
|
||||
}
|
||||
}
|
||||
@ -9630,9 +9637,9 @@ my_getSmallExpression (ep, str)
|
||||
for (end = strchr (s, '(') + 1; *end && pcnt; end++)
|
||||
{
|
||||
if (*end == '(')
|
||||
pcnt++;
|
||||
++pcnt;
|
||||
else if (*end == ')')
|
||||
pcnt--;
|
||||
--pcnt;
|
||||
}
|
||||
|
||||
memset (s, ' ', end - s);
|
||||
@ -11077,7 +11084,7 @@ s_align (x)
|
||||
}
|
||||
if (*input_line_pointer == ',')
|
||||
{
|
||||
input_line_pointer++;
|
||||
++input_line_pointer;
|
||||
temp_fill = get_absolute_expression ();
|
||||
}
|
||||
else
|
||||
@ -11342,7 +11349,7 @@ s_mipsset (x)
|
||||
char *name = input_line_pointer, ch;
|
||||
|
||||
while (!is_end_of_line[(unsigned char) *input_line_pointer])
|
||||
input_line_pointer++;
|
||||
++input_line_pointer;
|
||||
ch = *input_line_pointer;
|
||||
*input_line_pointer = '\0';
|
||||
|
||||
@ -11625,11 +11632,11 @@ s_cpsetup (ignore)
|
||||
return;
|
||||
}
|
||||
else
|
||||
input_line_pointer++;
|
||||
++input_line_pointer;
|
||||
SKIP_WHITESPACE ();
|
||||
sym = input_line_pointer;
|
||||
while (ISALNUM (*input_line_pointer))
|
||||
input_line_pointer++;
|
||||
++input_line_pointer;
|
||||
*input_line_pointer = 0;
|
||||
|
||||
ex_sym.X_op = O_symbol;
|
||||
@ -11854,8 +11861,7 @@ static void
|
||||
s_insn (ignore)
|
||||
int ignore ATTRIBUTE_UNUSED;
|
||||
{
|
||||
if (mips_opts.mips16)
|
||||
mips16_mark_labels ();
|
||||
mips16_mark_labels ();
|
||||
|
||||
demand_empty_rest_of_line ();
|
||||
}
|
||||
@ -11870,7 +11876,7 @@ static void
|
||||
s_mips_stab (type)
|
||||
int type;
|
||||
{
|
||||
if (type == 'n' && mips_opts.mips16)
|
||||
if (type == 'n')
|
||||
mips16_mark_labels ();
|
||||
|
||||
s_stab (type);
|
||||
@ -12954,7 +12960,7 @@ mips_handle_align (fragp)
|
||||
if (bytes & 1)
|
||||
{
|
||||
*p++ = 0;
|
||||
fragp->fr_fix += 1;
|
||||
fragp->fr_fix++;
|
||||
}
|
||||
|
||||
memcpy (p, (target_big_endian ? be_nop : le_nop), 2);
|
||||
@ -13126,7 +13132,7 @@ s_mips_end (x)
|
||||
|
||||
subseg_set (saved_seg, saved_subseg);
|
||||
}
|
||||
#endif
|
||||
#endif /* MIPS_STABS_ELF */
|
||||
|
||||
cur_proc_ptr = NULL;
|
||||
}
|
||||
@ -13142,7 +13148,7 @@ s_mips_ent (aent)
|
||||
|
||||
symbolP = get_symbol ();
|
||||
if (*input_line_pointer == ',')
|
||||
input_line_pointer++;
|
||||
++input_line_pointer;
|
||||
SKIP_WHITESPACE ();
|
||||
if (ISDIGIT (*input_line_pointer)
|
||||
|| *input_line_pointer == '-')
|
||||
@ -13179,7 +13185,7 @@ s_mips_ent (aent)
|
||||
|
||||
symbol_get_bfdsym (symbolP)->flags |= BSF_FUNCTION;
|
||||
|
||||
numprocs++;
|
||||
++numprocs;
|
||||
}
|
||||
|
||||
demand_empty_rest_of_line ();
|
||||
|
||||
Loading…
Reference in New Issue
Block a user