/* Output routines for GCC for Renesas / SuperH SH.
Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
- 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+ 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
Contributed by Steve Chamberlain (sac@cygnus.com).
Improved by Jim Wilson (wilson@cygnus.com).
#undef TARGET_MACHINE_DEPENDENT_REORG
#define TARGET_MACHINE_DEPENDENT_REORG sh_reorg
+#undef TARGET_DWARF_REGISTER_SPAN
+#define TARGET_DWARF_REGISTER_SPAN sh_dwarf_register_span
+
#ifdef HAVE_AS_TLS
#undef TARGET_HAVE_TLS
#define TARGET_HAVE_TLS true
rtx op1;
rtx scratch = NULL_RTX;
- if (comparison == CODE_FOR_nothing)
+ if (comparison == LAST_AND_UNUSED_RTX_CODE)
comparison = GET_CODE (operands[0]);
else
scratch = operands[4];
operands[1], operands[2])));
jump = emit_jump_insn (branch_expander (operands[3]));
if (probability >= 0)
- REG_NOTES (jump)
- = gen_rtx_EXPR_LIST (REG_BR_PROB, GEN_INT (probability),
- REG_NOTES (jump));
+ add_reg_note (jump, REG_BR_PROB, GEN_INT (probability));
}
op2h = gen_highpart_mode (SImode, DImode, operands[2]);
op1l = gen_lowpart (SImode, operands[1]);
op2l = gen_lowpart (SImode, operands[2]);
- msw_taken = msw_skip = lsw_taken = CODE_FOR_nothing;
+ msw_taken = msw_skip = lsw_taken = LAST_AND_UNUSED_RTX_CODE;
prob = split_branch_probability;
rev_prob = REG_BR_PROB_BASE - prob;
switch (comparison)
break;
default: return false;
}
- num_branches = ((msw_taken != CODE_FOR_nothing)
- + (msw_skip != CODE_FOR_nothing)
- + (lsw_taken != CODE_FOR_nothing));
+ num_branches = ((msw_taken != LAST_AND_UNUSED_RTX_CODE)
+ + (msw_skip != LAST_AND_UNUSED_RTX_CODE)
+ + (lsw_taken != LAST_AND_UNUSED_RTX_CODE));
if (comparison != EQ && comparison != NE && num_branches > 1)
{
if (!CONSTANT_P (operands[2])
operands[4] = NULL_RTX;
if (reload_completed
&& ! arith_reg_or_0_operand (op2h, SImode) && true_regnum (op1h)
- && (msw_taken != CODE_FOR_nothing || msw_skip != CODE_FOR_nothing))
+ && (msw_taken != LAST_AND_UNUSED_RTX_CODE
+ || msw_skip != LAST_AND_UNUSED_RTX_CODE))
{
emit_move_insn (scratch, operands[2]);
operands[2] = scratch;
}
- if (msw_taken != CODE_FOR_nothing)
+ if (msw_taken != LAST_AND_UNUSED_RTX_CODE)
expand_cbranchsi4 (operands, msw_taken, msw_taken_prob);
- if (msw_skip != CODE_FOR_nothing)
+ if (msw_skip != LAST_AND_UNUSED_RTX_CODE)
{
rtx taken_label = operands[3];
/* Operands were possibly modified, but msw_skip doesn't expect this.
Always use the original ones. */
- if (msw_taken != CODE_FOR_nothing)
+ if (msw_taken != LAST_AND_UNUSED_RTX_CODE)
{
operands[1] = op1h;
operands[2] = op2h;
}
operands[1] = op1l;
operands[2] = op2l;
- if (lsw_taken != CODE_FOR_nothing)
+ if (lsw_taken != LAST_AND_UNUSED_RTX_CODE)
{
if (reload_completed
&& ! arith_reg_or_0_operand (op2l, SImode) && true_regnum (op1l))
operands[4] = scratch;
expand_cbranchsi4 (operands, lsw_taken, lsw_taken_prob);
}
- if (msw_skip != CODE_FOR_nothing)
+ if (msw_skip != LAST_AND_UNUSED_RTX_CODE)
emit_label (skip_label);
return true;
}
else
insn = gen_rtx_SET (VOIDmode,
gen_rtx_REG (SImode, T_REG),
- gen_rtx_fmt_ee (code, SImode,
+ gen_rtx_fmt_ee ((enum rtx_code) code, SImode,
sh_compare_op0, sh_compare_op1));
if ((TARGET_SH4 || TARGET_SH2A) && GET_MODE_CLASS (mode) == MODE_FLOAT)
{
if (optimize)
{
+ /* If NEW_MOVA has no address yet, it will be handled later. */
+ if (INSN_ADDRESSES_SIZE() <= (unsigned) INSN_UID (new_mova))
+ return -1;
+
n_addr = INSN_ADDRESSES (INSN_UID (new_mova));
n_target = INSN_ADDRESSES (INSN_UID (XEXP (MOVA_LABELREF (new_mova), 0)));
if (n_addr > n_target || n_addr + 1022 < n_target)
insn = emit_fn (GEN_ADD3 (reg, reg, const_reg));
}
if (! epilogue_p)
- REG_NOTES (insn)
- = (gen_rtx_EXPR_LIST
- (REG_FRAME_RELATED_EXPR,
- gen_rtx_SET (VOIDmode, reg,
- gen_rtx_PLUS (SImode, reg, GEN_INT (size))),
- REG_NOTES (insn)));
+ add_reg_note (insn, REG_FRAME_RELATED_EXPR,
+ gen_rtx_SET (VOIDmode, reg,
+ gen_rtx_PLUS (SImode, reg,
+ GEN_INT (size))));
}
}
}
x = gen_push (gen_rtx_REG (SImode, rn));
x = frame_insn (x);
- REG_NOTES (x)
- = gen_rtx_EXPR_LIST (REG_INC,
- gen_rtx_REG (SImode, STACK_POINTER_REGNUM), 0);
+ add_reg_note (x, REG_INC, gen_rtx_REG (SImode, STACK_POINTER_REGNUM));
return x;
}
x = gen_pop (gen_rtx_REG (SImode, rn));
x = emit_insn (x);
- REG_NOTES (x)
- = gen_rtx_EXPR_LIST (REG_INC,
- gen_rtx_REG (SImode, STACK_POINTER_REGNUM), 0);
+ add_reg_note (x, REG_INC, gen_rtx_REG (SImode, STACK_POINTER_REGNUM));
}
/* Generate code to push the regs specified in the mask. */
&& crtl->args.info.call_cookie
&& reg == PIC_OFFSET_TABLE_REGNUM)
|| (df_regs_ever_live_p (reg)
- && (!call_really_used_regs[reg]
+ && ((!call_really_used_regs[reg]
+ && !(reg != PIC_OFFSET_TABLE_REGNUM
+ && fixed_regs[reg] && call_used_regs[reg]))
|| (trapa_handler && reg == FPSCR_REG && TARGET_FPU_ANY)))
|| (crtl->calls_eh_return
&& (reg == EH_RETURN_DATA_REGNO (0)
a direct save from the to-be-saved register. */
if (REGNO (reg_rtx) != reg)
{
- rtx set, note_rtx;
+ rtx set;
set = gen_rtx_SET (VOIDmode, mem_rtx, orig_reg_rtx);
- note_rtx = gen_rtx_EXPR_LIST (REG_FRAME_RELATED_EXPR, set,
- REG_NOTES (insn));
- REG_NOTES (insn) = note_rtx;
+ add_reg_note (insn, REG_FRAME_RELATED_EXPR, set);
}
if (TARGET_SHCOMPACT && (offset_in_r0 != -1))
{
rtx reg_rtx = gen_rtx_REG (mode, reg);
- rtx set, note_rtx;
+ rtx set;
rtx mem_rtx = gen_frame_mem (mode,
gen_rtx_PLUS (Pmode,
stack_pointer_rtx,
GEN_INT (offset)));
set = gen_rtx_SET (VOIDmode, mem_rtx, reg_rtx);
- note_rtx = gen_rtx_EXPR_LIST (REG_FRAME_RELATED_EXPR, set,
- REG_NOTES (insn));
- REG_NOTES (insn) = note_rtx;
+ add_reg_note (insn, REG_FRAME_RELATED_EXPR, set);
}
}
}
return result;
}
+/* 64 bit floating points memory transfers are paired single precision loads
+ or store. So DWARF information needs fixing in little endian (unless
+ PR=SZ=1 in FPSCR). */
+rtx
+sh_dwarf_register_span (rtx reg)
+{
+ unsigned regno = REGNO (reg);
+
+ if (WORDS_BIG_ENDIAN || GET_MODE (reg) != DFmode)
+ return NULL_RTX;
+
+ return
+ gen_rtx_PARALLEL (VOIDmode,
+ gen_rtvec (2,
+ gen_rtx_REG (SFmode,
+ DBX_REGISTER_NUMBER (regno+1)),
+ gen_rtx_REG (SFmode,
+ DBX_REGISTER_NUMBER (regno))));
+}
+
bool
sh_promote_prototypes (const_tree type)
{
/* SH2e has a bug that prevents the use of annulled branches, so if
the delay slot is not filled, we'll have to put a NOP in it. */
- if (sh_cpu == CPU_SH2E
+ if (sh_cpu_attr == CPU_SH2E
&& GET_CODE (insn) == JUMP_INSN
&& GET_CODE (PATTERN (insn)) != ADDR_DIFF_VEC
&& GET_CODE (PATTERN (insn)) != ADDR_VEC
|| (!(TARGET_SH4A_ARCH || TARGET_SH4_300) && TARGET_USERMODE))
emit_library_call (function_symbol (NULL, "__ic_invalidate",
FUNCTION_ORDINARY),
- 0, VOIDmode, 1, tramp, SImode);
+ LCT_NORMAL, VOIDmode, 1, tramp, SImode);
else
emit_insn (gen_ic_invalidate_line (tramp));
}
argmode = TYPE_MODE (TREE_TYPE (arg));
if (argmode != opmode)
arg = build1 (NOP_EXPR, optype, arg);
- op[nop] = expand_expr (arg, NULL_RTX, opmode, 0);
+ op[nop] = expand_expr (arg, NULL_RTX, opmode, EXPAND_NORMAL);
if (! (*insn_data[icode].operand[nop].predicate) (op[nop], opmode))
op[nop] = copy_to_mode_reg (opmode, op[nop]);
}
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