* config/tc-mips.c (NO_ISA_COP): New macro.
(COP_INSN): New macro. (is_opcode_valid): Use them. (macro) <ld_st>: Use them. Don't accept coprocessor load store insns based on the ISA if CPU is NO_ISA_COP. <copz>: Likewise for coprocessor operations.
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@ -1,3 +1,12 @@
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2008-07-07 Adam Nemet <anemet@caviumnetworks.com>
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* config/tc-mips.c (NO_ISA_COP): New macro.
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(COP_INSN): New macro.
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(is_opcode_valid): Use them.
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(macro) <ld_st>: Use them. Don't accept coprocessor load store
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insns based on the ISA if CPU is NO_ISA_COP.
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<copz>: Likewise for coprocessor operations.
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2008-07-07 Paul Brook <paul@codesourcery.com>
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* config/tc-arm.c (arm_fix_adjustable): Don't adjust MOVW/MOVT
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@ -447,6 +447,11 @@ static int mips_32bitmode = 0;
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/* True if CPU has seq/sne and seqi/snei instructions. */
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#define CPU_HAS_SEQ(CPU) ((CPU) == CPU_OCTEON)
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/* True if CPU does not implement the all the coprocessor insns. For these
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CPUs only those COP insns are accepted that are explicitly marked to be
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available on the CPU. ISA membership for COP insns is ignored. */
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#define NO_ISA_COP(CPU) ((CPU) == CPU_OCTEON)
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/* True if mflo and mfhi can be immediately followed by instructions
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which write to the HI and LO registers.
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@ -504,7 +509,17 @@ static int mips_32bitmode = 0;
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/* Is this a mfhi or mflo instruction? */
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#define MF_HILO_INSN(PINFO) \
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((PINFO & INSN_READ_HI) || (PINFO & INSN_READ_LO))
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((PINFO & INSN_READ_HI) || (PINFO & INSN_READ_LO))
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/* Returns true for a (non floating-point) coprocessor instruction. Reading
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or writing the condition code is only possible on the coprocessors and
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these insns are not marked with INSN_COP. Thus for these insns use the
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condition-code flags unless this is the floating-point coprocessor. */
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#define COP_INSN(PINFO) \
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(PINFO != INSN_MACRO \
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&& (((PINFO) & INSN_COP) \
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|| ((PINFO) & (INSN_READ_COND_CODE | INSN_WRITE_COND_CODE) \
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&& ((PINFO) & (FP_S | FP_D)) == 0)))
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/* MIPS PIC level. */
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@ -1803,6 +1818,12 @@ is_opcode_valid (const struct mips_opcode *mo, bfd_boolean expansionp)
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if (expansionp ? mips_opts.mips16 : file_ase_mips16)
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isa |= INSN_MIPS16;
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/* Don't accept instructions based on the ISA if the CPU does not implement
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all the coprocessor insns. */
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if (NO_ISA_COP (mips_opts.arch)
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&& COP_INSN (mo->pinfo))
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isa = 0;
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if (!OPCODE_IS_MEMBER (mo, isa, mips_opts.arch))
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return FALSE;
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@ -6312,6 +6333,15 @@ macro (struct mips_cl_insn *ip)
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tempreg = AT;
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used_at = 1;
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ld_st:
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if (coproc
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&& NO_ISA_COP (mips_opts.arch)
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&& (ip->insn_mo->pinfo2 & (INSN2_M_FP_S | INSN2_M_FP_D)) == 0)
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{
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as_bad (_("opcode not supported on this processor: %s"),
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mips_cpu_info_from_arch (mips_opts.arch)->name);
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break;
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}
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/* Itbl support may require additional care here. */
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if (mask == M_LWC1_AB
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|| mask == M_SWC1_AB
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@ -7180,6 +7210,14 @@ macro (struct mips_cl_insn *ip)
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case M_COP3:
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s = "c3";
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copz:
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if (NO_ISA_COP (mips_opts.arch)
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&& (ip->insn_mo->pinfo2 & INSN2_M_FP_S) == 0)
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{
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as_bad (_("opcode not supported on this processor: %s"),
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mips_cpu_info_from_arch (mips_opts.arch)->name);
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break;
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}
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/* For now we just do C (same as Cz). The parameter will be
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stored in insn_opcode by mips_ip. */
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macro_build (NULL, s, "C", ip->insn_opcode);
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