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From-SVN: r481
This commit is contained in:
Richard Stallman
parent
a130a4418f
commit
64a184e92d
@ -50,11 +50,11 @@ rtx legitimize_pic_address ();
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/* Emit a (use pic_offset_table_rtx) if we used PIC relocation in the
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function at any time during the compilation process. In the future
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we should try and eliminate the USE if we can easily deterine that
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we should try and eliminate the USE if we can easily determine that
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all PIC references were deleted from the current function. That would
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save an address register */
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finalize_pic()
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finalize_pic ()
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{
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if (flag_pic && current_function_uses_pic_offset_table)
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emit_insn (gen_rtx (USE, VOIDmode, pic_offset_table_rtx));
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@ -190,7 +190,7 @@ output_function_prologue (stream, size)
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if (mask & (1 << i))
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asm_fprintf (stream,
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#ifdef MOTOROLA
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"\tmov.l %s,-(%Rsp)\n",
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"\t%Omove.l %s,-(%Rsp)\n",
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#else
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"\tmovel %s,%Rsp@-\n",
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#endif
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@ -207,7 +207,7 @@ output_function_prologue (stream, size)
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if (flag_pic && current_function_uses_pic_offset_table)
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{
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#ifdef MOTOROLA
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asm_fprintf (stream, "\tmov.l %I__GLOBAL_OFFSET_TABLE_, %s\n",
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asm_fprintf (stream, "\t%Omove.l %I__GLOBAL_OFFSET_TABLE_, %s\n",
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reg_names[PIC_OFFSET_TABLE_REGNUM]);
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asm_fprintf (stream, "\tlea.l (%Rpc,%s.l),%s\n",
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reg_names[PIC_OFFSET_TABLE_REGNUM],
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@ -303,7 +303,7 @@ output_function_epilogue (stream, size)
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&& (mask || fmask || fpoffset))
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{
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#ifdef MOTOROLA
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asm_fprintf (stream, "\tmov.l %0I%d,%Ra0\n", -fsize);
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asm_fprintf (stream, "\t%Omove.l %0I%d,%Ra0\n", -fsize);
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#else
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asm_fprintf (stream, "\tmovel %0I%d,%Ra0\n", -fsize);
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#endif
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@ -325,7 +325,7 @@ output_function_epilogue (stream, size)
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if (big)
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{
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#ifdef MOTOROLA
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asm_fprintf (stream, "\tmov.l -%d(%s,%Ra0.l),%s\n",
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asm_fprintf (stream, "\t%Omove.l -%d(%s,%Ra0.l),%s\n",
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offset + fsize,
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reg_names[FRAME_POINTER_REGNUM],
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reg_names[i]);
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@ -338,7 +338,7 @@ output_function_epilogue (stream, size)
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else if (! frame_pointer_needed)
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{
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#ifdef MOTOROLA
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asm_fprintf (stream, "\tmov.l (%Rsp)+,%s\n",
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asm_fprintf (stream, "\t%Omove.l (%Rsp)+,%s\n",
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reg_names[i]);
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#else
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asm_fprintf (stream, "\tmovel %Rsp@+,%s\n",
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@ -348,7 +348,7 @@ output_function_epilogue (stream, size)
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else
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{
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#ifdef MOTOROLA
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asm_fprintf (stream, "\tmov.l -%d(%s),%s\n",
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asm_fprintf (stream, "\t%Omove.l -%d(%s),%s\n",
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offset + fsize,
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reg_names[FRAME_POINTER_REGNUM],
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reg_names[i]);
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@ -515,6 +515,155 @@ not_sp_operand (op, mode)
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return op != stack_pointer_rtx && general_operand (op, mode);
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}
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/* Return TRUE if X is a valid comparison operator for the dbcc
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instruction.
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Note it rejects floating point comparison operators.
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(In the future we could use Fdbcc).
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It also rejects some comparisons when CC_NO_OVERFLOW is set. */
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int
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valid_dbcc_comparison_p (x, mode)
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rtx x;
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enum machine_mode mode;
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{
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/* We could add support for these in the future */
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if (cc_prev_status.flags & CC_IN_68881)
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return 0;
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switch (GET_CODE (x))
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{
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case EQ: case NE: case GTU: case LTU:
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case GEU: case LEU:
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return 1;
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/* Reject some when CC_NO_OVERFLOW is set. This may be over
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conservative */
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case GT: case LT: case GE: case LE:
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return ! (cc_prev_status.flags & CC_NO_OVERFLOW);
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default:
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return 0;
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}
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}
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/* Output a dbCC; jCC sequence. Note we do not handle the
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floating point version of this sequence (Fdbcc). We also
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do not handle alternative conditions when CC_NO_OVERFLOW is
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set. It is assumed that valid_dbcc_comparison_p will kick
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those out before we get here. */
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output_dbcc_and_branch (operands)
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rtx *operands;
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{
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switch (GET_CODE (operands[3]))
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{
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case EQ:
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#ifdef MOTOROLA
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output_asm_insn ("dbeq %0,%l1\n\tjbeq %l2", operands);
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#else
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output_asm_insn ("dbeq %0,%l1\n\tjeq %l2", operands);
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#endif
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break;
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case NE:
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#ifdef MOTOROLA
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output_asm_insn ("dbne %0,%l1\n\tjbne %l2", operands);
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#else
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output_asm_insn ("dbne %0,%l1\n\tjne %l2", operands);
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#endif
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break;
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case GT:
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#ifdef MOTOROLA
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output_asm_insn ("dbgt %0,%l1\n\tjbgt %l2", operands);
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#else
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output_asm_insn ("dbgt %0,%l1\n\tjgt %l2", operands);
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#endif
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break;
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case GTU:
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#ifdef MOTOROLA
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output_asm_insn ("dbhi %0,%l1\n\tjbhi %l2", operands);
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#else
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output_asm_insn ("dbhi %0,%l1\n\tjhi %l2", operands);
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#endif
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break;
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case LT:
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#ifdef MOTOROLA
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output_asm_insn ("dblt %0,%l1\n\tjblt %l2", operands);
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#else
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output_asm_insn ("dblt %0,%l1\n\tjlt %l2", operands);
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#endif
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break;
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case LTU:
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#ifdef MOTOROLA
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output_asm_insn ("dbcs %0,%l1\n\tjbcs %l2", operands);
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#else
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output_asm_insn ("dbcs %0,%l1\n\tjcs %l2", operands);
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#endif
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break;
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case GE:
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#ifdef MOTOROLA
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output_asm_insn ("dbge %0,%l1\n\tjbge %l2", operands);
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#else
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output_asm_insn ("dbge %0,%l1\n\tjge %l2", operands);
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#endif
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break;
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case GEU:
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#ifdef MOTOROLA
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output_asm_insn ("dbcc %0,%l1\n\tjbcc %l2", operands);
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#else
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output_asm_insn ("dbcc %0,%l1\n\tjcc %l2", operands);
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#endif
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break;
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case LE:
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#ifdef MOTOROLA
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output_asm_insn ("dble %0,%l1\n\tjble %l2", operands);
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#else
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output_asm_insn ("dble %0,%l1\n\tjle %l2", operands);
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#endif
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break;
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case LEU:
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#ifdef MOTOROLA
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output_asm_insn ("dbls %0,%l1\n\tjbls %l2", operands);
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#else
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output_asm_insn ("dbls %0,%l1\n\tjls %l2", operands);
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#endif
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break;
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default:
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abort ();
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}
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/* If the decrement is to be done in SImode, then we have
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to compensate for the fact that dbcc decrements in HImode. */
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switch (GET_MODE (operands[0]))
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{
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case SImode:
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#ifdef MOTOROLA
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output_asm_insn ("clr%.w %0\n\tsubq%.l %#1,%0\n\tjbpl %l1", operands);
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#else
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output_asm_insn ("clr%.w %0\n\tsubq%.l %#1,%0\n\tjpl %l1", operands);
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#endif
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break;
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case HImode:
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break;
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default:
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abort ();
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}
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}
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char *
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output_btst (operands, countop, dataop, insn, signpos)
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rtx *operands;
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@ -697,7 +846,7 @@ singlemove_string (operands)
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&& INTVAL (operands[1]) < 128
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&& INTVAL (operands[1]) >= -128)
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{
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#if defined(MOTOROLA) && !defined(CRDS)
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#if defined (MOTOROLA) && !defined (CRDS)
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return "moveq%.l %1,%0";
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#else
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return "moveq %1,%0";
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@ -1018,7 +1167,7 @@ output_move_const_double (operands)
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rtx *operands;
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{
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#ifdef SUPPORT_SUN_FPA
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if (TARGET_FPA && FPA_REG_P(operands[0]))
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if (TARGET_FPA && FPA_REG_P (operands[0]))
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{
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int code = standard_sun_fpa_constant_p (operands[1]);
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@ -1244,7 +1393,7 @@ standard_sun_fpa_constant_p (x)
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/*
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* Stuff that looks different if it's single or double
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*/
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if (GET_MODE(x) == SFmode)
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if (GET_MODE (x) == SFmode)
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{
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if (d == S_E)
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return 0x8;
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@ -1452,7 +1601,7 @@ print_operand (file, op, letter)
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}
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#ifdef SUPPORT_SUN_FPA
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else if ((letter == 'y' || letter == 'w')
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&& GET_CODE(op) == CONST_DOUBLE
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&& GET_CODE (op) == CONST_DOUBLE
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&& (i = standard_sun_fpa_constant_p (op)))
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{
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fprintf (file, "%%%d", i & 0x1ff);
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