]>
Commit | Line | Data |
---|---|---|
dd552284 | 1 | /* Definitions of target machine for GNU compiler for TILEPro. |
cbe34bb5 | 2 | Copyright (C) 2011-2017 Free Software Foundation, Inc. |
dd552284 WL |
3 | Contributed by Walter Lee (walt@tilera.com) |
4 | ||
5 | This file is part of GCC. | |
6 | ||
7 | GCC is free software; you can redistribute it and/or modify it | |
8 | under the terms of the GNU General Public License as published | |
9 | by the Free Software Foundation; either version 3, or (at your | |
10 | option) any later version. | |
11 | ||
12 | GCC is distributed in the hope that it will be useful, but WITHOUT | |
13 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
14 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
15 | License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GCC; see the file COPYING3. If not see | |
19 | <http://www.gnu.org/licenses/>. */ | |
20 | ||
21 | /* This is used by tilepro_cpu_cpp_builtins to indicate the byte order | |
22 | we're compiling for. */ | |
23 | #define TILEPRO_CPU_CPP_ENDIAN_BUILTINS() \ | |
24 | do \ | |
25 | { \ | |
26 | if (BYTES_BIG_ENDIAN) \ | |
27 | builtin_define ("__BIG_ENDIAN__"); \ | |
28 | else \ | |
29 | builtin_define ("__LITTLE_ENDIAN__"); \ | |
30 | } \ | |
31 | while (0) | |
32 | ||
33 | /* Target CPU builtins. */ | |
34 | #define TARGET_CPU_CPP_BUILTINS() \ | |
35 | tilepro_cpu_cpp_builtins (pfile) | |
36 | ||
37 | #undef PTRDIFF_TYPE | |
38 | #define PTRDIFF_TYPE "int" | |
39 | ||
40 | #undef SIZE_TYPE | |
41 | #define SIZE_TYPE "unsigned int" | |
42 | \f | |
43 | ||
44 | /* Target machine storage layout */ | |
45 | ||
46 | #define BITS_BIG_ENDIAN 0 | |
47 | #define BYTES_BIG_ENDIAN 0 | |
48 | #define WORDS_BIG_ENDIAN 0 | |
49 | ||
50 | #define UNITS_PER_WORD 4 | |
51 | #define PARM_BOUNDARY 32 | |
52 | #define STACK_BOUNDARY 64 | |
53 | #define FUNCTION_BOUNDARY 64 | |
54 | #define BIGGEST_ALIGNMENT 64 | |
55 | #define STRICT_ALIGNMENT 1 | |
56 | ||
57 | #define PCC_BITFIELD_TYPE_MATTERS 1 | |
58 | #define FASTEST_ALIGNMENT 32 | |
59 | #define BIGGEST_FIELD_ALIGNMENT 64 | |
60 | ||
61 | /* Unaligned moves trap and are very slow. */ | |
62 | #define SLOW_UNALIGNED_ACCESS(MODE, ALIGN) 1 | |
63 | ||
64 | /* Make strings word-aligned so strcpy from constants will be | |
65 | faster. */ | |
66 | #define CONSTANT_ALIGNMENT(EXP, ALIGN) \ | |
67 | ((TREE_CODE (EXP) == STRING_CST \ | |
68 | && (ALIGN) < FASTEST_ALIGNMENT) \ | |
69 | ? FASTEST_ALIGNMENT : (ALIGN)) | |
70 | ||
71 | /* Make arrays of chars word-aligned for the same reasons. */ | |
72 | #define DATA_ALIGNMENT(TYPE, ALIGN) \ | |
73 | (TREE_CODE (TYPE) == ARRAY_TYPE \ | |
74 | && TYPE_MODE (TREE_TYPE (TYPE)) == QImode \ | |
75 | && (ALIGN) < FASTEST_ALIGNMENT ? FASTEST_ALIGNMENT : (ALIGN)) | |
76 | ||
77 | /* Make local arrays of chars word-aligned for the same reasons. */ | |
78 | #define LOCAL_ALIGNMENT(TYPE, ALIGN) DATA_ALIGNMENT (TYPE, ALIGN) | |
79 | \f | |
80 | ||
81 | /* Standard register usage. */ | |
82 | ||
83 | #define FIRST_PSEUDO_REGISTER (64 + 3) | |
84 | ||
85 | #define FIXED_REGISTERS \ | |
86 | {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ | |
87 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ | |
88 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ | |
89 | 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, \ | |
90 | 1, 1, 1} | |
91 | ||
92 | #define CALL_USED_REGISTERS \ | |
93 | {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \ | |
94 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, \ | |
95 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ | |
96 | 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \ | |
97 | 1, 1, 1} | |
98 | ||
99 | #define CALL_REALLY_USED_REGISTERS \ | |
100 | CALL_USED_REGISTERS | |
101 | ||
102 | #define REG_ALLOC_ORDER { \ | |
103 | 10, 11, 12, 13, 14, /* call used */ \ | |
104 | 15, 16, 17, 18, 19, \ | |
105 | 20, 21, 22, 23, 24, \ | |
106 | 25, 26, 27, 28, 29, \ | |
107 | \ | |
108 | 9, 8, 7, 6, 5, /* argument */ \ | |
109 | 4, 3, 2, 1, 0, \ | |
110 | \ | |
111 | 55, /* return address */ \ | |
112 | \ | |
113 | 30, 31, 32, 33, 34, /* call saved registers */ \ | |
114 | 35, 36, 37, 38, 39, \ | |
115 | 40, 41, 42, 43, 44, \ | |
116 | 45, 46, 47, 48, 49, \ | |
117 | 50, 51, \ | |
118 | \ | |
119 | 52, /* hard frame pointer */ \ | |
120 | 53, 54, /* tp, sp */ \ | |
121 | \ | |
122 | 56, 57, 58, 59, 60, /* special purpose */ \ | |
123 | 61, 62, 63, 64, 65, /* or fake registers */ \ | |
124 | 66 \ | |
125 | } | |
126 | ||
127 | #define HARD_REGNO_NREGS(REGNO, MODE) \ | |
128 | ((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD) | |
129 | ||
dd552284 WL |
130 | #define MODES_TIEABLE_P(MODE1, MODE2) 1 |
131 | ||
132 | /* Register that holds an address into the text segment that can be | |
133 | used by pic code. */ | |
134 | #define TILEPRO_PIC_TEXT_LABEL_REGNUM (flag_pic ? 50 : INVALID_REGNUM) | |
135 | #define PIC_OFFSET_TABLE_REGNUM (flag_pic ? 51 : INVALID_REGNUM) | |
136 | #define HARD_FRAME_POINTER_REGNUM 52 | |
137 | #define THREAD_POINTER_REGNUM 53 | |
138 | #define STACK_POINTER_REGNUM 54 | |
139 | #define TILEPRO_LINK_REGNUM 55 | |
140 | #define FRAME_POINTER_REGNUM 64 | |
141 | #define ARG_POINTER_REGNUM 65 | |
142 | /* Pseudo register used to enforce order between instructions that | |
143 | touch the networks. */ | |
144 | #define TILEPRO_NETORDER_REGNUM 66 | |
145 | #define STATIC_CHAIN_REGNUM 10 | |
146 | \f | |
147 | ||
148 | enum reg_class | |
149 | { | |
150 | NO_REGS, | |
151 | R0_REGS, | |
152 | R1_REGS, | |
153 | R2_REGS, | |
154 | R3_REGS, | |
155 | R4_REGS, | |
156 | R5_REGS, | |
157 | R6_REGS, | |
158 | R7_REGS, | |
159 | R8_REGS, | |
160 | R9_REGS, | |
161 | R10_REGS, | |
162 | ALL_REGS, | |
163 | LIM_REG_CLASSES | |
164 | }; | |
165 | ||
166 | #define N_REG_CLASSES (int) LIM_REG_CLASSES | |
167 | ||
168 | /* Since GENERAL_REGS is the same class as ALL_REGS, don't give it a | |
169 | different class number; just make it an alias. */ | |
170 | #define GENERAL_REGS ALL_REGS | |
171 | ||
172 | #define REG_CLASS_NAMES \ | |
173 | { \ | |
174 | "NO_REGS", \ | |
175 | "R0_REGS", \ | |
176 | "R1_REGS", \ | |
177 | "R2_REGS", \ | |
178 | "R3_REGS", \ | |
179 | "R4_REGS", \ | |
180 | "R5_REGS", \ | |
181 | "R6_REGS", \ | |
182 | "R7_REGS", \ | |
183 | "R8_REGS", \ | |
184 | "R9_REGS", \ | |
185 | "R10_REGS", \ | |
186 | "ALL_REGS" \ | |
187 | } | |
188 | ||
189 | #define REG_CLASS_CONTENTS \ | |
190 | { \ | |
191 | { 0 }, \ | |
192 | { 1 << 0 }, \ | |
193 | { 1 << 1 }, \ | |
194 | { 1 << 2 }, \ | |
195 | { 1 << 3 }, \ | |
196 | { 1 << 4 }, \ | |
197 | { 1 << 5 }, \ | |
198 | { 1 << 6 }, \ | |
199 | { 1 << 7 }, \ | |
200 | { 1 << 8 }, \ | |
201 | { 1 << 9 }, \ | |
202 | { 1 << 10 }, \ | |
203 | { 0xffffffff, 0xffffffff } \ | |
204 | } | |
205 | ||
206 | #define REGNO_REG_CLASS(REGNO) \ | |
207 | ((unsigned)(REGNO) <= 10 ? \ | |
208 | (enum reg_class)(R0_REGS + (REGNO)) : ALL_REGS) | |
209 | ||
210 | #define INDEX_REG_CLASS NO_REGS | |
211 | #define BASE_REG_CLASS ALL_REGS | |
212 | ||
213 | #define PREFERRED_RELOAD_CLASS(X,CLASS) (CLASS) | |
214 | ||
215 | #define CLASS_MAX_NREGS(CLASS, MODE) \ | |
216 | ((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD) | |
217 | \f | |
218 | ||
219 | /* Stack layout; function entry, exit and calling. */ | |
220 | ||
62f9f30b | 221 | #define STACK_GROWS_DOWNWARD 1 |
dd552284 WL |
222 | #define FRAME_GROWS_DOWNWARD 1 |
223 | #define STARTING_FRAME_OFFSET 0 | |
224 | ||
0a81f074 RS |
225 | #define DYNAMIC_CHAIN_ADDRESS(FRAME) \ |
226 | plus_constant (Pmode, (FRAME), UNITS_PER_WORD) | |
dd552284 WL |
227 | |
228 | #define FIRST_PARM_OFFSET(FNDECL) 0 | |
229 | ||
230 | #define ACCUMULATE_OUTGOING_ARGS 1 | |
231 | ||
232 | #define OUTGOING_REG_PARM_STACK_SPACE(FNTYPE) 1 | |
233 | ||
234 | #define INCOMING_FRAME_SP_OFFSET 0 | |
235 | ||
236 | #define STACK_POINTER_OFFSET (2 * UNITS_PER_WORD) | |
237 | ||
238 | #define ARG_POINTER_CFA_OFFSET(FNDECL) (-STACK_POINTER_OFFSET) | |
239 | ||
240 | #define DEFAULT_PCC_STRUCT_RETURN 0 | |
241 | ||
242 | /* The first 10 registers may hold return value. */ | |
243 | #define TILEPRO_NUM_RETURN_REGS 10 | |
244 | ||
245 | /* The first 10 registers hold function arguments. */ | |
246 | #define TILEPRO_NUM_ARG_REGS 10 | |
247 | ||
248 | #define FUNCTION_ARG_REGNO_P(N) ((N) < TILEPRO_NUM_ARG_REGS) | |
249 | ||
250 | /* The type used to store the number of words of arguments scanned so | |
251 | far during argument scanning. This includes any space that is | |
252 | skipped. */ | |
253 | #define CUMULATIVE_ARGS int | |
254 | ||
255 | #define INIT_CUMULATIVE_ARGS(CUM, FNTYPE, LIBNAME, INDIRECT, N_NAMED_ARGS) \ | |
256 | ((CUM) = 0) | |
257 | \f | |
258 | ||
259 | #define ELIMINABLE_REGS \ | |
260 | {{ARG_POINTER_REGNUM, STACK_POINTER_REGNUM}, \ | |
261 | {ARG_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM}, \ | |
262 | {FRAME_POINTER_REGNUM, STACK_POINTER_REGNUM}, \ | |
263 | {FRAME_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM}} | |
264 | ||
265 | #define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \ | |
266 | ((OFFSET) = tilepro_initial_elimination_offset((FROM),(TO))) | |
267 | ||
cbcdb140 WL |
268 | #define PROFILE_BEFORE_PROLOGUE 1 |
269 | ||
dd552284 WL |
270 | #define FUNCTION_PROFILER(FILE, LABELNO) \ |
271 | tilepro_function_profiler (FILE, LABELNO) | |
272 | ||
273 | #define TRAMPOLINE_SIZE 48 | |
274 | #define TRAMPOLINE_ALIGNMENT 64 | |
275 | #define TRAMPOLINE_SECTION text_section | |
276 | \f | |
277 | ||
278 | /* Call frame debugging information. */ | |
279 | ||
280 | #define INCOMING_RETURN_ADDR_RTX gen_rtx_REG (Pmode, TILEPRO_LINK_REGNUM) | |
281 | ||
282 | #define RETURN_ADDR_RTX tilepro_return_addr | |
283 | ||
284 | #define DWARF_FRAME_RETURN_COLUMN DWARF_FRAME_REGNUM (TILEPRO_LINK_REGNUM) | |
285 | ||
286 | #define DWARF_ZERO_REG 63 | |
287 | ||
288 | #define EH_RETURN_DATA_REGNO(N) ((N) < 4 ? (N + 12) : INVALID_REGNUM) | |
289 | #define EH_RETURN_STACKADJ_RTX gen_rtx_REG (Pmode, 11) | |
290 | #define EH_RETURN_HANDLER_RTX tilepro_eh_return_handler_rtx () | |
291 | ||
292 | #define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \ | |
293 | tilepro_asm_preferred_eh_data_format ((CODE), (GLOBAL)) | |
294 | \f | |
295 | ||
296 | /* Addressing modes, and classification of registers for them. */ | |
297 | ||
298 | #define HAVE_POST_INCREMENT 1 | |
299 | #define HAVE_POST_DECREMENT 1 | |
300 | #define HAVE_POST_MODIFY_DISP 1 | |
301 | ||
302 | #define REGNO_OK_FOR_INDEX_P(regno) 0 | |
303 | #define REGNO_OK_FOR_BASE_P(regno) \ | |
304 | ((regno) < FIRST_PSEUDO_REGISTER || reg_renumber[regno] >= 0) | |
305 | ||
306 | #define MAX_REGS_PER_ADDRESS 1 | |
307 | ||
308 | #define CONSTANT_ADDRESS_P(X) 0 | |
309 | ||
310 | #define LEGITIMATE_PIC_OPERAND_P(X) tilepro_legitimate_pic_operand_p (X) | |
311 | \f | |
312 | ||
313 | #define CASE_VECTOR_MODE SImode | |
314 | #define CASE_VECTOR_PC_RELATIVE 0 | |
315 | #define JUMP_TABLES_IN_TEXT_SECTION 0 | |
316 | ||
317 | #define DEFAULT_SIGNED_CHAR 1 | |
318 | ||
319 | #define MOVE_MAX UNITS_PER_WORD | |
320 | ||
321 | /* Use a value of 11 for MOVE_RATIO and friends, because TILEPro | |
322 | returns structs as large as 10 words in registers. Because of some | |
323 | some code generation inefficiency, we never get smaller code for | |
324 | turning that into a memcpy, so pick a value that guarantees this | |
325 | doesn't happen. */ | |
326 | #define TILEPRO_CALL_RATIO 11 | |
327 | #define MOVE_RATIO(speed) ((speed) ? 15 : TILEPRO_CALL_RATIO) | |
328 | #define CLEAR_RATIO(speed) ((speed) ? 15 : TILEPRO_CALL_RATIO) | |
329 | #define SET_RATIO(speed) ((speed) ? 15 : TILEPRO_CALL_RATIO) | |
330 | ||
9e11bfef | 331 | #define WORD_REGISTER_OPERATIONS 1 |
dd552284 WL |
332 | |
333 | #define LOAD_EXTEND_OP(MODE) ZERO_EXTEND | |
334 | ||
335 | #define PROMOTE_MODE(MODE,UNSIGNEDP,TYPE) \ | |
336 | if (GET_MODE_CLASS (MODE) == MODE_INT \ | |
337 | && GET_MODE_SIZE (MODE) < UNITS_PER_WORD) \ | |
338 | (MODE) = SImode; | |
339 | ||
340 | /* Define SLOW_BYTE_ACCESS to avoid making a QI or HI mode | |
341 | register. */ | |
342 | #define SLOW_BYTE_ACCESS 1 | |
343 | ||
344 | #define SHIFT_COUNT_TRUNCATED 1 | |
345 | ||
58f2ae18 | 346 | #define SHORT_IMMEDIATES_SIGN_EXTEND 1 |
dd552284 WL |
347 | |
348 | #define TRULY_NOOP_TRUNCATION(OUTPREC, INPREC) 1 | |
349 | ||
350 | #define CLZ_DEFINED_VALUE_AT_ZERO(MODE, VALUE) ((VALUE) = 32, 1) | |
351 | #define CTZ_DEFINED_VALUE_AT_ZERO(MODE, VALUE) ((VALUE) = 32, 1) | |
352 | ||
353 | #define Pmode SImode | |
354 | ||
355 | #define STORE_FLAG_VALUE 1 | |
356 | ||
357 | #define FUNCTION_MODE SImode | |
358 | ||
359 | #define NO_FUNCTION_CSE 1 | |
360 | ||
361 | #define ADJUST_INSN_LENGTH(INSN, LENGTH) \ | |
362 | ((LENGTH) = tilepro_adjust_insn_length ((INSN), (LENGTH))) | |
363 | ||
364 | #define TARGET_FLOAT_FORMAT IEEE_FLOAT_FORMAT | |
365 | ||
366 | #define BRANCH_COST(speed_p, predictable_p) ((predictable_p) ? 2 : 6) | |
367 | \f | |
368 | ||
369 | /* Control the assembler format that we output. */ | |
370 | ||
371 | #undef NO_DOLLAR_IN_LABEL | |
372 | ||
373 | #define ASM_COMMENT_START "##" | |
374 | ||
375 | #define TEXT_SECTION_ASM_OP "\t.text" | |
376 | ||
377 | #define DATA_SECTION_ASM_OP "\t.data" | |
378 | ||
379 | #undef READONLY_DATA_SECTION_ASM_OP | |
380 | #define READONLY_DATA_SECTION_ASM_OP "\t.section\t.rodata, \"a\"" | |
381 | ||
382 | #undef BSS_SECTION_ASM_OP | |
383 | #define BSS_SECTION_ASM_OP "\t.section\t.bss, \"wa\"" | |
384 | ||
385 | #undef INIT_SECTION_ASM_OP | |
386 | #define INIT_SECTION_ASM_OP "\t.section\t.init, \"ax\"" | |
387 | ||
388 | #undef FINI_SECTION_ASM_OP | |
389 | #define FINI_SECTION_ASM_OP "\t.section\t.fini, \"ax\"" | |
390 | ||
391 | #define GLOBAL_ASM_OP ".global " | |
392 | ||
393 | #define SUPPORTS_WEAK 1 | |
394 | ||
395 | #define USER_LABEL_PREFIX "" | |
396 | ||
397 | #define REGISTER_PREFIX "" | |
398 | #define REGISTER_NAMES \ | |
399 | { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \ | |
400 | "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", \ | |
401 | "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", \ | |
402 | "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31", \ | |
403 | "r32", "r33", "r34", "r35", "r36", "r37", "r38", "r39", \ | |
404 | "r40", "r41", "r42", "r43", "r44", "r45", "r46", "r47", \ | |
405 | "r48", "r49", "r50", "r51", "r52", "tp", "sp", "lr", \ | |
406 | "sn", "idn0", "idn1", "udn0", "udn1", "udn2", "udn3", "zero", \ | |
407 | "?FRAME?", "?ARG?", "?NET?" } | |
408 | ||
409 | /* This is used to help emit bundles. */ | |
410 | #define FINAL_PRESCAN_INSN(INSN, OPVEC, NOPERANDS) \ | |
411 | tilepro_final_prescan_insn (insn) | |
412 | ||
413 | /* This is used to help emit bundles. */ | |
414 | #define ASM_OUTPUT_OPCODE(STREAM, PTR) \ | |
415 | (PTR = tilepro_asm_output_opcode (STREAM, PTR)) | |
416 | ||
417 | #define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \ | |
418 | do \ | |
419 | { \ | |
420 | char label[256]; \ | |
421 | ASM_GENERATE_INTERNAL_LABEL (label, "L", (VALUE));\ | |
422 | fprintf (FILE, "\t.word "); \ | |
423 | assemble_name (FILE, label); \ | |
424 | fprintf (FILE, "\n"); \ | |
425 | } \ | |
426 | while (0) | |
427 | ||
428 | #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \ | |
429 | do \ | |
430 | { \ | |
431 | char label[256]; \ | |
432 | ASM_GENERATE_INTERNAL_LABEL (label, "L", (VALUE)); \ | |
433 | fprintf (FILE, "\t.word "); \ | |
434 | assemble_name (FILE, label); \ | |
435 | ASM_GENERATE_INTERNAL_LABEL (label, "L", (REL)); \ | |
436 | fprintf (FILE, "-"); \ | |
437 | assemble_name (FILE, label); \ | |
438 | fprintf (FILE, "\n"); \ | |
439 | } \ | |
440 | while (0) | |
441 | ||
442 | #define ASM_OUTPUT_ALIGN(FILE,LOG) \ | |
443 | do { if ((LOG) != 0) fprintf (FILE, "\t.align %d\n", 1 << (LOG)); } while (0) | |
444 | ||
445 | #define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \ | |
446 | ( fputs (".comm ", (FILE)), \ | |
447 | assemble_name ((FILE), (NAME)), \ | |
448 | fprintf ((FILE), ",%u\n", (unsigned int)(ROUNDED))) | |
449 | ||
450 | #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \ | |
451 | ( fputs (".lcomm ", (FILE)), \ | |
452 | assemble_name ((FILE), (NAME)), \ | |
453 | fprintf ((FILE), ",%u\n", (unsigned int)(ROUNDED))) | |
454 | ||
455 | \f | |
456 | ||
457 | #define INIT_EXPANDERS tilepro_init_expanders () | |
458 | ||
459 | /* A C structure for machine-specific, per-function data. This is | |
460 | added to the cfun structure. */ | |
461 | typedef struct GTY(()) machine_function | |
462 | { | |
463 | /* Symbol for the text label used for pic. */ | |
464 | rtx text_label_symbol; | |
465 | ||
466 | /* Register for the text label. */ | |
467 | rtx text_label_rtx; | |
468 | ||
469 | /* Register for the pic offset table. */ | |
470 | rtx got_rtx; | |
471 | ||
472 | /* The function calls tls_get_addr. */ | |
473 | int calls_tls_get_addr; | |
474 | } machine_function; | |
475 | ||
476 | #ifndef HAVE_AS_TLS | |
477 | #define HAVE_AS_TLS 0 | |
478 | #endif |