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author | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-08-31 09:44:25 +0000 |
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committer | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-08-31 09:44:25 +0000 |
commit | f529eb25672cac0bded2a446786242465fc7f4b5 (patch) | |
tree | 09cc5dfcaa392f3934a1edc839c165e824b37e01 /gcc/cfgloopanal.c | |
parent | 0f510c9a06acc854f80a606f34c8f2b6bc8ef237 (diff) | |
download | gcc-f529eb25672cac0bded2a446786242465fc7f4b5.tar.gz |
* fwprop.c (should_replace_address): Add speed attribute.
(PR_OPTIMIZE_FOR_SPEED): New flag.
(propagate_rtx_1): Use it.
(propagate_rtx): Set it.
(try_fwprop_subst): Update call of rtx_costs.
(forward_propagate_and_simplify): LIkewise.
* hooks.c (hook_int_rtx_bool_0): New
(hook_bool_rtx_int_int_intp_false): Replace by ...
(hook_bool_rtx_int_int_intp_bool_false): .. thisone.
* hooks.h (hook_int_rtx_bool_0): New
(hook_bool_rtx_int_int_intp_false): Replace by ...
(hook_bool_rtx_int_int_intp_bool_false): .. thisone.
* optabs.c (avoid_expensive_constant): UPdate call of rtx_cost.
(prepare_cmp_insn): UPdate call of rtx_cost.
* postreload.c (reload_cse_simplify_set): Update call of rtx_cost.
(reload_cse_simplify_operands): Update call of rtx_cost.
(reload_cse_move2add): call of rtx_cost.
* target.h (struct gcc_target): Update rtx_costs and address_costs.
* rtlanal.c (rtx_cost): Add speed argument.
(address_cost): Add speed argument
(default_address_cost): Likewise.
(insn_rtx_cost): Likewise.
* cfgloopanal.c (seq_cost): Add speed argument.
(target_reg_cost, target_spill_cost): Turn to array.
(init_set_costs): Update for speed.
(estimate_reg_pressure_cost): Add speed argument.
* auto-inc-dec.c (attempt_change): Update call of rtx_cost.
* dojump.c (prefer_and_bit_test): UPdate call of rtx_cost.
* tree-ssa-loop-ivopts.c (struct ivopts_data): New field speed.
(seq_cost): Add speed argument.
(computation_cost): Add speed arugment.
(add_cost, multiply_by_const, get_address_cost): add speed argument.
(force_expr_to_var_cost): Update for profile info.
(force_var_cost): Likewise.
(split_address_cost): Likewise.
(ptr_difference_cost): Likewise.
(difference_cost): Likewise.
(get_computation_cost_at): Likewise.
(determine_iv_cost): Likewise.
(ivopts_global_cost_for_size): Likewise.
(rewrite_use_address): Likewise.
(tree_ssa_iv_optimize_loop): Initialize speed field.
* cse.c (optimize_this_for_speed_p): New static var.
(notreg_cost): Update call of rtx_cost.
(cse_extended_basic_block): set optimize_this_for_speed_p.
* ifcvt.c (cheap_bb_rtx_cost_p): Update call of rtx_cost.
(noce_try_cmove_arith): Likewise.
(noce_try_sign_mask): LIkewise.
* expr.c (compress_float_constant): Update rtx_cost calls.
* tree-ssa-address.c (most_expensive_mult_to_index): Add speed argument.
(addr_to_parts): Likewise.
(create_mem_ref): Likewise.
* dse.c (find_shift_sequence): Add speed argument.
(replace_read): Update call.
* calls.c (precompute_register_parameters): Update call of rtx_cost.
* expmed.c (sdiv_pow2_cheap, smod_pow2_cheap, zero_cost, add_cost,
* neg_cost, shift_cost, shiftadd_cost,
shiftsub_cost, mul_cost, sdiv_cost, udiv_cost ,mul_widen_cost,
mul_highpart_cost): Increase dimension.
(init_expmed): Initialize for both size and speed.
(expand_shift): Use profile.
(synth_mult): Use profile.
(choose_mult_variant): Use profile.
(expand_mult): Use profile.
(expand_mult_highpart_optab): Use profile.
(expand_mult_highpart): Use profile.
(expand_smod_pow2): Use profile.
(expand_divmod): Use profile.
* simplify-rtx.c (simplify_binary_operation_1): Update call of rtx_cost.
* loop-invariant.c (create_new_invariant): Use profile.
(gain_for_invariant): Add speed parameter.
(best_gain_for_invariant): Likewise.
(find_invariants_to_move): Likewise.
(move_single_loop_invariants): Set it.
* target-def.h (TARGET_RTX_COSTS): Use hook.
* rtl.h (rtx_cost, address_cost, insn_rtx_cost): Update prototpe.
(optimize_insn_for_size_p, optimize_insn_for_speed_p): Declare.
* output.h (default_address_cost): Update prototype.
* combine.c (optimize_this_for_speed_p): New static var.
(combine_validate_cost): Update call of rtx_cost.
(combine_instructions): Set optimize_this_for_speed_p.
(expand_compound_operation): Update call of rtx_cost.
(make_extraction):Update call of rtx_cost.
(force_to_mode):Update call of rtx_cost.
(distribute_and_simplify_rtx):Update call of rtx_cost.
* cfgloop.h (target_reg_cost, target_spill_cost): Turn to array.
(estimate_reg_pressure_cost): Update prototype.
* tree-flow.h (multiply_by_cost, create_mem_ref): Update prototype.
* basic-block.h (optimize_insn_for_size_p, optimize_insn_for_speed_p):
Remove.
* config/alpha/alpha.c (alpha_rtx_costs): Update.
(alpha_rtx_costs): Update.
* config/frv/frv.c (frv_rtx_costs): Update.
* config/s390/s390.c (s390_rtx_costs): Update.
* config/m32c/m32c.c (m32c_memory_move_cost): Update.
(m32c_rtx_costs): Update.
* config/spu/spu.c (TARGET_ADDRESS_COST): Upate.
(spu_rtx_costs): Update.
* config/sparc/sparc.c (sparc_rtx_costs): Update.
* config/m32r/m32r.c (m32r_rtx_costs): Update.
* config/i386/i386.c (:ix86_address_cost): Update.
(ix86_rtx_costs): Update.
* config/sh/sh.c (sh_rtx_costs, sh_address_cost): Update.
* config/pdp11/pdp11.c (pdp11_rtx_costs): Update.
* config/avr/avr.c (avr_rtx_costs, avr_address_cost): Update.
* config/crx/crx.c (crx_address_cost): Update.
* config/xtensa/xtensa.c (xtensa_rtx_costs): Update.
* config/stormy16/stormy16.c
(xstormy16_address_cost, xstormy16_rtx_costs): Update.
* config/m68hc11/m68hc11.c
(m68hc11_address_cost, m68hc11_rtx_costs): Update.
* config/cris/cris.c (cris_rtx_costs, cris_address_cost): Update.
* config/iq2000/iq2000.c (iq2000_rtx_costs, iq2000_address_cost): Update.
* config/mn10300/mn10300.c (mn10300_address_cost, mn10300_rtx_costs): Update
* config/ia64/ia64.c (ia64_rtx_costs): Update.
* config/m68k/m68k.c (m68k_rtx_costs): Update.
* config/rs6000/rs6000.c (rs6000_rtx_costs): Update.
* config/arc/arc.c (arc_rtx_costs, arc_address_cost): Update.
* config/mcore/mcore.c (TARGET_ADDRESS_COST): Update.
(mcore_rtx_costs): update.
* config/score/score3.c (score3_rtx_costs): Update.
* config/score/score7.c (score7_rtx_costs): Update.
* config/score/score3.h (score3_rtx_costs):Update.
* config/score/score7.h (score7_rtx_costs): Update.
* config/score/score.c (score_rtx_costs): Update.
* config/arm/arm.c (arm_address_cost): Update.
(arm_rtx_costs_1): Update.
(arm_rtx_costs_1): Update.
(arm_size_rtx_costs): Update.
(arm_size_rtx_costs): Update.
(arm_size_rtx_costs): Update.
(arm_xscale_rtx_costs): Update.
(arm_thumb_address_cost): Update.
* config/pa/pa.c (hppa_address_cost): Update.
* config/mips/mips.c (mips_rtx_costs): Update.
* config/vax/vax.c (vax_address_cost): Update.
* config/h8300/h8300.c (h8300_shift_costs): Update.
(h8300_rtx_costs): Update.
* config/v850/v850.c (TARGET_ADDRESS_COST): Update.
(v850_rtx_costs): Update.
* config/mmix/mmix.c (mmix_rtx_costs, mmix_rtx_costs): Update.
* config/bfin/bfin.c
(bfin_address_cost): Update.
(bfin_rtx_costs): Update.
* stmt.c (lshift_cheap_p): Update.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@139821 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/cfgloopanal.c')
-rw-r--r-- | gcc/cfgloopanal.c | 62 |
1 files changed, 34 insertions, 28 deletions
diff --git a/gcc/cfgloopanal.c b/gcc/cfgloopanal.c index db5bd2a62b9..d59fa2fb505 100644 --- a/gcc/cfgloopanal.c +++ b/gcc/cfgloopanal.c @@ -295,7 +295,7 @@ get_loop_level (const struct loop *loop) /* Returns estimate on cost of computing SEQ. */ static unsigned -seq_cost (const_rtx seq) +seq_cost (const_rtx seq, bool speed) { unsigned cost = 0; rtx set; @@ -304,7 +304,7 @@ seq_cost (const_rtx seq) { set = single_set (seq); if (set) - cost += rtx_cost (set, SET); + cost += rtx_cost (set, SET, speed); else cost++; } @@ -317,10 +317,10 @@ seq_cost (const_rtx seq) unsigned target_avail_regs; /* Number of available registers. */ unsigned target_res_regs; /* Number of registers reserved for temporary expressions. */ -unsigned target_reg_cost; /* The cost for register when there still +unsigned target_reg_cost[2]; /* The cost for register when there still is some reserve, but we are approaching the number of available registers. */ -unsigned target_spill_cost; /* The cost for register when we need +unsigned target_spill_cost[2]; /* The cost for register when we need to spill. */ /* Initialize the constants for computing set costs. */ @@ -328,6 +328,7 @@ unsigned target_spill_cost; /* The cost for register when we need void init_set_costs (void) { + int speed; rtx seq; rtx reg1 = gen_raw_REG (SImode, FIRST_PSEUDO_REGISTER); rtx reg2 = gen_raw_REG (SImode, FIRST_PSEUDO_REGISTER + 1); @@ -343,27 +344,32 @@ init_set_costs (void) target_res_regs = 3; - /* Set up the costs for using extra registers: - - 1) If not many free registers remain, we should prefer having an - additional move to decreasing the number of available registers. - (TARGET_REG_COST). - 2) If no registers are available, we need to spill, which may require - storing the old value to memory and loading it back - (TARGET_SPILL_COST). */ - - start_sequence (); - emit_move_insn (reg1, reg2); - seq = get_insns (); - end_sequence (); - target_reg_cost = seq_cost (seq); - - start_sequence (); - emit_move_insn (mem, reg1); - emit_move_insn (reg2, mem); - seq = get_insns (); - end_sequence (); - target_spill_cost = seq_cost (seq); + for (speed = 0; speed < 2; speed++) + { + crtl->maybe_hot_insn_p = speed; + /* Set up the costs for using extra registers: + + 1) If not many free registers remain, we should prefer having an + additional move to decreasing the number of available registers. + (TARGET_REG_COST). + 2) If no registers are available, we need to spill, which may require + storing the old value to memory and loading it back + (TARGET_SPILL_COST). */ + + start_sequence (); + emit_move_insn (reg1, reg2); + seq = get_insns (); + end_sequence (); + target_reg_cost [speed] = seq_cost (seq, speed); + + start_sequence (); + emit_move_insn (mem, reg1); + emit_move_insn (reg2, mem); + seq = get_insns (); + end_sequence (); + target_spill_cost [speed] = seq_cost (seq, speed); + } + default_rtl_profile (); } /* Estimates cost of increased register pressure caused by making N_NEW new @@ -371,7 +377,7 @@ init_set_costs (void) around the loop. */ unsigned -estimate_reg_pressure_cost (unsigned n_new, unsigned n_old) +estimate_reg_pressure_cost (unsigned n_new, unsigned n_old, bool speed) { unsigned cost; unsigned regs_needed = n_new + n_old; @@ -384,11 +390,11 @@ estimate_reg_pressure_cost (unsigned n_new, unsigned n_old) if (regs_needed <= target_avail_regs) /* If we are close to running out of registers, try to preserve them. */ - cost = target_reg_cost * n_new; + cost = target_reg_cost [speed] * n_new; else /* If we run out of registers, it is very expensive to add another one. */ - cost = target_spill_cost * n_new; + cost = target_spill_cost [speed] * n_new; if (optimize && flag_ira && (flag_ira_algorithm == IRA_ALGORITHM_REGIONAL || flag_ira_algorithm == IRA_ALGORITHM_MIXED) |