aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.4.3/gcc/ChangeLog.ix86
blob: 1f0288190b543631db8aa4ae7aa00dd088937e36 (plain)
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
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
2010-08-13  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2010-02-26  H.J. Lu  <hongjiu.lu@intel.com>

	* config.gcc: Support --with-fpmath=sse for x86.

	* config/i386/ssemath.h: New.

	* doc/install.texi (--with-fpmath=sse): Documented.

2010-06-22  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2010-06-22  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.md (unit): Also check sseishft1.

	2010-06-21  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/44615
	* config/i386/atom.md (atom_sseishft_2): Also check sseishft1.

	* config/i386/i386.md (type): Add sseishft1

	* config/i386/ppro_insn (ppro_insn): Also check sseishft1.
	(ppro_insn_load): Likewise.
	(ppro_insn_store): Likewise.
	(ppro_insn_both): Likewise.

	* config/i386/sse.md (*vec_extractv2di_1_rex64_avx): Replace
	sseishft with sseishft1 for type.
	(*vec_extractv2di_1_avx): Likewise.
	(*vec_extractv2di_1_rex64): Replace sseishft with sseishft1 for
	type.  Remove atom_unit.
	(*vec_extractv2di_1_sse2): Likewise.

2010-02-22  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline:
	2010-02-22  H.J. Lu  <hongjiu.lu@intel.com>
	* config/i386/i386.c (initial_ix86_tune_features): Turn on
	X86_TUNE_INTER_UNIT_MOVES for m_ATOM.

2009-10-30  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline:
	2009-10-30  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/40838
	* cfgexpand.c (expand_stack_alignment): Call update_stack_boundary
	first.  Move assert on stack_alignment_estimated just before
	setting stack_realign_needed.
	(gimple_expand_cfg): Initialize stack_alignment_estimated to 0.
	Don't call update_stack_boundary.

	* config/i386/i386.c (ix86_minimum_incoming_stack_boundary): New.
	(verride_options): Don't check ix86_force_align_arg_pointer here.
	(ix86_function_ok_for_sibcall): Use it.
	(ix86_update_stack_boundary): Likewise.

	* config/i386/i386.h (STACK_REALIGN_DEFAULT): Update comments.

2009-05-21  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline:
	2009-05-21  H.J. Lu  <hongjiu.lu@intel.com>
		    Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/cpuid.h (bit_MOVBE): New.

	* config/i386/driver-i386.c (host_detect_local_cpu): Check movbe.

	* config/i386/i386.c (OPTION_MASK_ISA_MOVBE_SET): New.
	(OPTION_MASK_ISA_MOVBE_UNSET): Likewise.
	(ix86_handle_option): Handle OPT_mmovbe.
	(ix86_target_string): Add -mmovbe.
	(pta_flags): Add PTA_MOVBE.
	(processor_alias_table): Add PTA_MOVBE to "atom".
	(override_options): Handle PTA_MOVBE.

	* config/i386/i386.h (TARGET_MOVBE): New.

	* config/i386/i386.md (bswapsi2): Check TARGET_MOVBE.
	(*bswapsi_movbe): New.
	(*bswapdi_movbe): Likewise.
	(bswapdi2): Renamed to ...
	(*bswapdi_1): This.
	(bswapdi2): New expander.

	* config/i386/i386.opt (mmovbe): New.

	* doc/invoke.texi: Document -mmovbe.

2009-05-20  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline:
	2009-05-20  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/driver-i386.c (host_detect_local_cpu): Check
	extended family and model for Intel processors.  Support Intel
	Atom.

2009-04-20  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline:
	2009-04-20  Joey Ye  <joey.ye@intel.com>
		    Xuepeng Guo <xuepeng.guo@intel.com>
		    H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.

	* config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
	(IX86_LEA_PRIORITY): Likewise.
	(distance_non_agu_define): New function.
	(distance_agu_use): Likewise.
	(ix86_lea_for_add_ok): Likewise.
	(ix86_dep_by_shift_count): Likewise.

	* config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
	should split for LEA.

	* config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
	function.
	(ix86_dep_by_shift_count): Likewise.

2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline:
	2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>

	* doc/invoke.texi: Document Atom support.

2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.md: Revert 2 accidental checkins.

2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline:
	2009-04-06  Joey Ye  <joey.ye@intel.com>
		    Xuepeng Guo <xuepeng.guo@intel.com>
		    H.J. Lu  <hongjiu.lu@intel.com>

	Atom pipeline model, tuning and insn selection.
	* config.gcc (atom): Add atom config options and target.

	* config/i386/atom.md: New.

	* config/i386/i386.c (atom_cost): New cost.
	(m_ATOM): New macro flag.
	(initial_ix86_tune_features): Set m_ATOM.
	(x86_accumulate_outgoing_args): Likewise.
	(x86_arch_always_fancy_math_387): Likewise.
	(processor_target): Add Atom cost.
	(cpu_names): Add Atom cpu name.
	(override_options): Set Atom ISA.
	(ix86_issue_rate): New case PROCESSOR_ATOM.
	(ix86_adjust_cost): Likewise.

	* config/i386/i386.h (TARGET_ATOM): New target macro.
	(ix86_tune_indices): Add X86_TUNE_OPT_AGU.
	(TARGET_OPT_AGU): New target option.
	(target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
	(processor_type): Add PROCESSOR_ATOM.

	* config/i386/i386.md (cpu): Add new value "atom".
	(use_carry, movu): New attr.
	(atom.md): Include atom.md.
	(adddi3_carry_rex64): Set attr "use_carry".
	(addqi3_carry): Likewise.
	(addhi3_carry): Likewise.
	(addsi3_carry): Likewise.
	(*addsi3_carry_zext): Likewise.
	(subdi3_carry_rex64): Likewise.
	(subqi3_carry): Likewise.
	(subhi3_carry): Likewise.
	(subsi3_carry): Likewise.
	(x86_movdicc_0_m1_rex64): Likewise.
	(*x86_movdicc_0_m1_se): Likewise.
	(x86_movsicc_0_m1): Likewise.
	(*x86_movsicc_0_m1_se): Likewise.
	(*adddi_1_rex64): Emit add insn as much as possible.
	(*addsi_1): Likewise.
	(return_internal): Set atom_unit.
	(return_internal_long): Likewise.
	(return_pop_internal): Likewise.
	(*rcpsf2_sse): Set atom_sse_attr attr.
	(*qrt<mode>2_sse): Likewise.

2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline:
	2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_abi): Move initialization to ...
	(override_options): Here.

2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline:
	2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386-protos.h (ix86_agi_dependent): New.

	* config/i386/i386.c (ix86_agi_dependent): Rewrite.
	(ix86_adjust_cost): Updated.

2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline:
	2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39472
	* config/i386/i386.c (ix86_abi): New.
	(override_options): Handle -mabi=.
	(ix86_function_arg_regno_p): Replace DEFAULT_ABI with
	ix86_abi.
	(ix86_call_abi_override): Likewise.
	(init_cumulative_args): Likewise.
	(function_arg_advance): Likewise.
	(function_arg_64): Likewise.
	(function_arg): Likewise.
	(ix86_pass_by_reference): Likewise.
	(ix86_function_value_regno_p): Likewise.
	(ix86_build_builtin_va_list_abi): Likewise.
	(setup_incoming_varargs_64): Likewise.
	(is_va_list_char_pointer): Likewise.
	(ix86_init_machine_status): Likewise.
	(ix86_reg_parm_stack_space): Use enum calling_abi on
	call_abi.
	(ix86_function_type_abi): Return enum calling_abi.  Rewrite
	for 64bit.  Replace DEFAULT_ABI with ix86_abi.
	(ix86_function_abi): Make it static and return enum
	calling_abi.
	(ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
	with ix86_abi.
	(ix86_fn_abi_va_list): Updated.

	* config/i386/i386.h (ix86_abi): New.
	(STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
	(CONDITIONAL_REGISTER_USAGE): Likewise.
	(CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
	(machine_function): Likewise.

	* config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
	with ix86_abi.
	* config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
	(STACK_BOUNDARY): Likewise.
	* config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.

	* config/i386/i386.opt (mabi=): New.

	* config/i386/i386-protos.h (ix86_cfun_abi): Changed to
	return enum calling_abi.
	(ix86_function_type_abi): Likewise.
	(ix86_function_abi): Removed.

2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline:
	2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>

	* genautomata.c: Add a new year to the copyright.  Add a new
	reference.
	(struct insn_reserv_decl): Add comments for member bypass_list.
	(find_bypass): Remove.
	(insert_bypass): New.
	(process_decls): Use insert_bypass.
	(output_internal_insn_latency_func): Output all bypasses with the
	same input insn in one switch case.

	* rtl.def (define_bypass): Describe bypass choice.
	* doc/md.texi (define_bypass): Ditto.