emit-rtl.c (init_emit): Add hard registers to regno_reg_rtx.
* emit-rtl.c (init_emit): Add hard registers to regno_reg_rtx. * combine.c (move_deaths): Use regno_reg_rtx for hard regs rather than creating a new register. (distribute_notes): Likewise. * df.c (df_reg_use_gen): Likewise. (df_reg_clobber_gen): Likewise. (df_ref_record): Likewise. * expr.c (use_regs): Likewise. * flow.c (propagate_one_insn): Likewise. (mark_set_1): Likewise. (mark_used_reg): Likewise. * reload.c (emit_reload_insns): Likewise. From-SVN: r54358
This commit is contained in:
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e50126e858
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@ -1,3 +1,18 @@
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2002-06-07 Jeff Law <law@redhat.com
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* emit-rtl.c (init_emit): Add hard registers to regno_reg_rtx.
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* combine.c (move_deaths): Use regno_reg_rtx for hard regs rather
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than creating a new register.
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(distribute_notes): Likewise.
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* df.c (df_reg_use_gen): Likewise.
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(df_reg_clobber_gen): Likewise.
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(df_ref_record): Likewise.
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* expr.c (use_regs): Likewise.
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* flow.c (propagate_one_insn): Likewise.
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(mark_set_1): Likewise.
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(mark_used_reg): Likewise.
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* reload.c (emit_reload_insns): Likewise.
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2002-06-07 Roger Sayle <roger@eyesopen.com>
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* simplify-rtx.c (simplify_gen_relational): Simplify RTL of the form
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@ -11944,7 +11944,7 @@ move_deaths (x, maybe_kill_insn, from_cuid, to_insn, pnotes)
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if (i < regno || i >= ourend)
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REG_NOTES (where_dead)
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= gen_rtx_EXPR_LIST (REG_DEAD,
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gen_rtx_REG (reg_raw_mode[i], i),
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regno_reg_rtx[i],
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REG_NOTES (where_dead));
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}
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@ -11971,7 +11971,7 @@ move_deaths (x, maybe_kill_insn, from_cuid, to_insn, pnotes)
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offset = 1;
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for (i = regno + offset; i < ourend; i++)
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move_deaths (gen_rtx_REG (reg_raw_mode[i], i),
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move_deaths (regno_reg_rtx[i],
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maybe_kill_insn, from_cuid, to_insn, &oldnotes);
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}
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@ -12593,7 +12593,7 @@ distribute_notes (notes, from_insn, i3, i2, elim_i2, elim_i1)
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for (i = regno; i < endregno;
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i += HARD_REGNO_NREGS (i, reg_raw_mode[i]))
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{
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rtx piece = gen_rtx_REG (reg_raw_mode[i], i);
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rtx piece = regno_reg_rtx[i];
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basic_block bb = this_basic_block;
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if (! dead_or_set_p (place, piece)
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8
gcc/df.c
8
gcc/df.c
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@ -625,8 +625,7 @@ static rtx df_reg_use_gen (regno)
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rtx reg;
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rtx use;
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reg = regno >= FIRST_PSEUDO_REGISTER
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? regno_reg_rtx[regno] : gen_rtx_REG (reg_raw_mode[regno], regno);
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reg = regno_reg_rtx[regno];
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use = gen_rtx_USE (GET_MODE (reg), reg);
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return use;
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@ -640,8 +639,7 @@ static rtx df_reg_clobber_gen (regno)
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rtx reg;
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rtx use;
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reg = regno >= FIRST_PSEUDO_REGISTER
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? regno_reg_rtx[regno] : gen_rtx_REG (reg_raw_mode[regno], regno);
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reg = regno_reg_rtx[regno];
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use = gen_rtx_CLOBBER (GET_MODE (reg), reg);
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return use;
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@ -897,7 +895,7 @@ df_ref_record (df, reg, loc, insn, ref_type, ref_flags)
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endregno = regno + HARD_REGNO_NREGS (regno, GET_MODE (reg));
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for (i = regno; i < endregno; i++)
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df_ref_record_1 (df, gen_rtx_REG (reg_raw_mode[i], i),
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df_ref_record_1 (df, regno_reg_rtx[i],
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loc, insn, ref_type, ref_flags);
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}
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else
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@ -4913,6 +4913,7 @@ void
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init_emit ()
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{
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struct function *f = cfun;
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int i;
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f->emit = (struct emit_status *) ggc_alloc (sizeof (struct emit_status));
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first_insn = NULL;
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@ -4942,9 +4943,14 @@ init_emit ()
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= (tree *) ggc_alloc_cleared (f->emit->regno_pointer_align_length
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* sizeof (tree));
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/* Put copies of all the hard registers into regno_reg_rtx. */
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for (i = 0; i < FIRST_PSEUDO_REGISTER; i++)
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regno_reg_rtx[i] = gen_raw_REG (reg_raw_mode[i], i);
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/* Put copies of all the virtual register rtx into regno_reg_rtx. */
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init_virtual_regs (f->emit);
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/* Indicate that the virtual registers and stack locations are
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all pointers. */
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REG_POINTER (stack_pointer_rtx) = 1;
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@ -2293,7 +2293,7 @@ use_regs (call_fusage, regno, nregs)
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abort ();
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for (i = 0; i < nregs; i++)
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use_reg (call_fusage, gen_rtx_REG (reg_raw_mode[regno + i], regno + i));
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use_reg (call_fusage, regno_reg_rtx[regno + i]);
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}
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/* Add USE expressions to *CALL_FUSAGE for each REG contained in the
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10
gcc/flow.c
10
gcc/flow.c
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@ -1767,8 +1767,7 @@ propagate_one_insn (pbi, insn)
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if (TEST_HARD_REG_BIT (regs_invalidated_by_call, i))
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{
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/* We do not want REG_UNUSED notes for these registers. */
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mark_set_1 (pbi, CLOBBER, gen_rtx_REG (reg_raw_mode[i], i),
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cond, insn,
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mark_set_1 (pbi, CLOBBER, regno_reg_rtx[i], cond, insn,
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pbi->flags & ~(PROP_DEATH_NOTES | PROP_REG_INFO));
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}
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}
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@ -1816,8 +1815,7 @@ propagate_one_insn (pbi, insn)
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so they are made live. */
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for (i = 0; i < FIRST_PSEUDO_REGISTER; i++)
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if (global_regs[i])
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mark_used_reg (pbi, gen_rtx_REG (reg_raw_mode[i], i),
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cond, insn);
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mark_used_reg (pbi, regno_reg_rtx[i], cond, insn);
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}
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}
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@ -2817,7 +2815,7 @@ mark_set_1 (pbi, code, reg, cond, insn, flags)
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if (! REGNO_REG_SET_P (pbi->reg_live, i))
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REG_NOTES (insn)
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= alloc_EXPR_LIST (REG_UNUSED,
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gen_rtx_REG (reg_raw_mode[i], i),
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regno_reg_rtx[i],
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REG_NOTES (insn));
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}
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}
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@ -3625,7 +3623,7 @@ mark_used_reg (pbi, reg, cond, insn)
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&& ! dead_or_set_regno_p (insn, i))
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REG_NOTES (insn)
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= alloc_EXPR_LIST (REG_DEAD,
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gen_rtx_REG (reg_raw_mode[i], i),
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regno_reg_rtx[i],
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REG_NOTES (insn));
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}
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}
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