1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
2012-03-21 Andrew Stubbs <ams@codesourcery.com>
Backport from FSF mainline:
2012-03-21 Andrew Stubbs <ams@codesourcery.com>
gcc/
* config/arm/arm.c (thumb2_reorg): Add complete support
for 16-bit instructions.
* config/arm/thumb2.md: Delete obsolete flag-clobbering peepholes.
gcc/testsuite/
* gcc.target/arm/thumb-16bit-ops.c: New file.
* gcc.target/arm/thumb-ifcvt.c: New file.
2012-03-06 Ulrich Weigand <ulrich.weigand@linaro.org>
Backport from mainline:
gcc/
* config/arm/arm.c (arm_sat_operator_match): New function.
* config/arm/arm-protos.h (arm_sat_operator_match): Add prototype.
* config/arm/arm.md ("insn" attribute): Add "sat" value.
("SAT", "SATrev"): New code iterators.
("SATlo", "SAThi"): New code iterator attributes.
("*satsi_<SAT:code>"): New pattern.
("*satsi_<SAT:code>_shift"): Likewise.
* config/arm/arm-fixed.md ("arm_ssatsihi_shift"): Add "insn"
and "shift" attributes.
("arm_usatsihi"): Add "insn" attribute.
* config/arm/predicates.md (sat_shift_operator): Allow multiplication
by powers of two. Do not allow shift by 32.
gcc/testsuite/
* gcc.target/arm/sat-1.c: New test.
2012-02-29 Andrew Stubbs <ams@codesourcery.com>
Merge from FSF trunk SVN revision 184662.
2012-02-27 Ulrich Weigand <ulrich.weigand@linaro.org>
gcc/
* combine.c (apply_distributive_law): Do not distribute SUBREG.
2012-02-27 Richard Sandiford <richard.sandiford@linaro.org>
gcc/
* fwprop.c (propagate_rtx): Also set PR_CAN_APPEAR for subregs.
2012-02-24 Ulrich Weigand <ulrich.weigand@linaro.org>
Backport from mainline:
2012-02-22 Ulrich Weigand <ulrich.weigand@linaro.org>
gcc/testsuite/
* lib/target-supports.exp (check_effective_target_vect_condition):
Return true for NEON.
2012-02-24 Ulrich Weigand <ulrich.weigand@linaro.org>
Merged from Linaro GCC 4.6, still need to be merged upstream:
2011-11-27 Ira Rosen <ira.rosen@linaro.org>
gcc/
* tree-vectorizer.h (vect_pattern_recog): Add new argument.
* tree-vect-loop.c (vect_analyze_loop_2): Update call to
vect_pattern_recog.
* tree-vect-patterns.c (widened_name_p): Pass basic block
info to vect_is_simple_use.
(vect_recog_dot_prod_pattern): Fail for basic blocks.
(vect_recog_widen_sum_pattern): Likewise.
(vect_handle_widen_op_by_const): Support basic blocks.
(vect_operation_fits_smaller_type,
vect_recog_over_widening_pattern): Likewise.
(vect_recog_vector_vector_shift_pattern): Support basic blocks.
Update call to vect_is_simple_use.
(vect_recog_mixed_size_cond_pattern): Support basic blocks.
Add printing.
(check_bool_pattern): Add an argument, update call to
vect_is_simple_use and the recursive calls.
(vect_recog_bool_pattern): Update relevant function calls.
Add printing.
(vect_mark_pattern_stmts): Update calls to new_stmt_vec_info.
(vect_pattern_recog_1): Check for reduction only in loops.
(vect_pattern_recog): Add new argument. Support basic blocks.
* tree-vect-stmts.c (vectorizable_conversion): Pass basic block
info to vect_is_simple_use_1.
* tree-vect-slp.c (vect_get_and_check_slp_defs): Support basic
blocks.
(vect_slp_analyze_bb_1): Call vect_pattern_recog.
gcc/testsuite/
* gcc.dg/vect/bb-slp-pattern-1.c: New test.
* gcc.dg/vect/bb-slp-pattern-2.c: New test.
2011-11-27 Ira Rosen <ira.rosen@linaro.org>
gcc/
* tree-vect-patterns.c (widened_name_p): Rename to ...
(type_conversion_p): ... this. Add new argument to determine
if it's a promotion or demotion operation. Check for
CONVERT_EXPR_CODE_P instead of NOP_EXPR.
(vect_recog_dot_prod_pattern): Call type_conversion_p instead
widened_name_p.
(vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern,
vect_operation_fits_smaller_type, vect_recog_widen_shift_pattern):
Likewise.
(vect_recog_mixed_size_cond_pattern): Likewise and allow
non-constant then and else clauses.
gcc/testsuite/
* gcc.dg/vect/slp-cond-3.c: New test.
* gcc.dg/vect/slp-cond-4.c: New test.
2012-02-17 Ulrich Weigand <ulrich.weigand@linaro.org>
gcc/
* common/config/arm/arm-common.c (arm_option_optimization_table):
Enable -fsched-pressure using -fsched-pressure-algorithm=model by
default when optimizing.
2012-02-17 Richard Sandiford <richard.sandiford@linaro.org>
gcc/
* sched-deps.c (fixup_sched_groups): Rename to...
(chain_to_prev_insn): ...this.
(chain_to_prev_insn_p): New function.
(deps_analyze_insn): Use it instead of SCHED_GROUP_P.
2012-02-17 Richard Sandiford <richard.sandiford@linaro.org>
gcc/
* sched-int.h (_haifa_insn_data): Move priority_status.
Add model_index.
(INSN_MODEL_INDEX): New macro.
* haifa-sched.c (insn_delay): New function.
(sched_regno_pressure_class): Update commentary.
(mark_regno_birth_or_death): Pass the liveness bitmap and
pressure array as arguments, instead of using curr_reg_live and
curr_reg_pressure. Only update the pressure if the bit in the
liveness set has changed.
(initiate_reg_pressure_info): Always trust the live-in set for
SCHED_PRESSURE_MODEL.
(initiate_bb_reg_pressure_info): Update call to
mark_regno_birth_or_death.
(dep_list_size): Take the list as argument.
(calculate_reg_deaths): New function, extracted from...
(setup_insn_reg_pressure_info): ...here.
(MODEL_BAR): New macro.
(model_pressure_data, model_insn_info, model_pressure_limit)
(model_pressure_group): New structures.
(model_schedule, model_worklist, model_insns, model_num_insns)
(model_curr_point, model_before_pressure, model_next_priority):
New variables.
(MODEL_PRESSURE_DATA, MODEL_MAX_PRESSURE, MODEL_REF_PRESSURE)
(MODEL_INSN_INFO, MODEL_INSN): New macros.
(model_index, model_update_limit_points_in_group): New functions.
(model_update_limit_points, model_last_use_except): Likewise.
(model_start_update_pressure, model_update_pressure): Likewise.
(model_recompute, model_spill_cost, model_excess_group_cost): Likewise.
(model_excess_cost, model_dump_pressure_points): Likewise.
(model_set_excess_costs): Likewise.
(rank_for_schedule): Extend SCHED_PRIORITY_WEIGHTED ordering to
SCHED_PRIORITY_MODEL. Use insn_delay. Use the order in the model
schedule as an alternative tie-breaker. Update the call to
dep_list_size.
(ready_sort): Call model_set_excess_costs.
(update_register_pressure): Update call to mark_regno_birth_or_death.
Rely on that function to check liveness rather than doing it here.
(model_classify_pressure, model_order_p, model_add_to_worklist_at)
(model_remove_from_worklist, model_add_to_worklist, model_promote_insn)
(model_add_to_schedule, model_analyze_insns, model_init_pressure_group)
(model_record_pressure, model_record_pressures): New functions.
(model_record_final_pressures, model_add_successors_to_worklist)
(model_promote_predecessors, model_choose_insn): Likewise.
(model_reset_queue_indices, model_dump_pressure_summary): Likewise.
(model_start_schedule, model_finalize_pressure_group): Likewise.
(model_end_schedule): Likewise.
(schedule_insn): Say when we're scheduling the next instruction
in the model schedule.
(schedule_insn): Handle SCHED_PRESSURE_MODEL.
(queue_to_ready): Do not add instructions that are
MAX_SCHED_READY_INSNS beyond the current point of the model schedule.
Always allow the next instruction in the model schedule to be added.
(debug_ready_list): Print the INSN_REG_PRESSURE_EXCESS_COST_CHANGE
and delay for SCHED_PRESSURE_MODEL too.
(prune_ready_list): Extend SCHED_PRIORITY_WEIGHTED handling to
SCHED_PRIORITY_MODEL, but also take the DFA into account.
(schedule_block): Call model_start_schedule and model_end_schedule.
Extend SCHED_PRIORITY_WEIGHTED stall handling to SCHED_PRIORITY_MODEL.
(sched_init): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
to SCHED_PRESSURE_MODEL, but don't allocate saved_reg_live or
region_ref_regs.
(sched_finish): Update accordingly.
(fix_tick_ready): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
to SCHED_PRESSURE_MODEL.
(add_jump_dependencies): Update call to dep_list_size.
(haifa_finish_h_i_d): Fix leak of max_reg_pressure.
(haifa_init_insn): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
to SCHED_PRESSURE_MODEL.
* sched-deps.c (init_insn_reg_pressure_info): Likewise, but don't
allocate INSN_MAX_REG_PRESSURE for SCHED_PRESSURE_MODEL.
(sched_analyze_insn): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE
handling to SCHED_PRESSURE_MODEL.
2012-02-17 Richard Sandiford <richard.sandiford@linaro.org>
gcc/
* common.opt (fsched-pressure-algorithm=): New option.
* flag-types.h (sched_pressure_algorithm): New enum.
* sched-int.h (sched_pressure_p): Replace with...
(sched_pressure): ...this new variable.
* haifa-sched.c (sched_pressure_p): Replace with...
(sched_pressure): ...this new variable.
(sched_regno_pressure_class, rank_for_schedule, ready_sort)
(update_reg_and_insn_max_reg_pressure, schedule_insn)
(debug_ready_list, prune_ready_list, schedule_block, sched_init)
(sched_finish, fix_tick_ready, haifa_init_insn): Update accordingly.
* sched-deps.c (init_insn_reg_pressure_info): Likewise.
(sched_analyze_insn): Likewise.
* sched-rgn.c (schedule_region): Likewise.
* config/m68k/m68k.c (m68k_sched_variable_issue): Likewise.
2012-02-15 Andrew Stubbs <ams@codesourcery.com>
Merge from FSF trunk SVN revision 184223.
Imported GCC from FSF trunk SVN revision 183796.
|
