2 * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
4 * This file is part of libFirm.
6 * This file may be distributed and/or modified under the terms of the
7 * GNU General Public License version 2 as published by the Free Software
8 * Foundation and appearing in the file LICENSE.GPL included in the
9 * packaging of this file.
11 * Licensees holding valid libFirm Professional Edition licenses may use
12 * this file in accordance with the libFirm Commercial License.
13 * Agreement provided with the Software.
15 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
16 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * @brief The codegenerator (transform FIRM into ppc FIRM)
23 * @author Moritz Kroll, Jens Mueller
29 #include "irgraph_t.h"
33 #include "iredges_t.h"
41 #include "../benode.h"
42 #include "bearch_ppc32_t.h"
44 #include "ppc32_nodes_attr.h"
45 #include "ppc32_transform.h"
46 #include "ppc32_new_nodes.h"
47 #include "ppc32_map_regs.h"
49 #include "gen_ppc32_regalloc_if.h"
51 extern ir_op *get_op_Mulh(void);
53 ir_mode* ppc32_mode_Cond = NULL;
56 * Returns the proj of a given node with the given proj number
58 static inline ir_node *get_succ_Proj(ir_node *node, long proj)
60 const ir_edge_t *edge;
61 foreach_out_edge(node, edge)
63 if (is_Proj(edge->src) && get_Proj_proj(edge->src) == proj)
70 * Returns a singleton condition mode
72 ir_mode *get_ppc32_mode_Cond(void) {
74 return ppc32_mode_Cond;
76 ppc32_mode_Cond = new_ir_mode("mode_Cond", irms_int_number, 4, 0, irma_none, 0);
77 return ppc32_mode_Cond;
82 * Calculates the ppc32_modecode with size, sort and signed attributes
84 ppc32_modecode get_nice_modecode(ir_mode *irmode)
86 ppc32_modecode mode = irm_max;
87 int sign = mode_is_signed(irmode);
88 int bits = get_mode_size_bits(irmode);
89 if(mode_is_int(irmode))
94 mode = sign ? irm_Bs : irm_Bu;
97 mode = sign ? irm_Hs : irm_Hu;
100 mode = sign ? irm_Is : irm_Iu;
104 else if(mode_is_float(irmode))
116 else if(mode_is_reference(irmode))
129 * Returns true, if the given node is a Const node and it's value fits into
130 * a signed 16-bit variable
132 int is_16bit_signed_const(ir_node *node)
136 if(!is_ppc32_Const(node)) return 0;
138 tv_const = get_ppc32_constant_tarval(node);
140 switch(get_nice_modecode(get_irn_mode(node)))
149 unsigned char val2 = get_tarval_sub_bits(tv_const, 2);
150 unsigned char val3 = get_tarval_sub_bits(tv_const, 3);
158 unsigned char val1 = get_tarval_sub_bits(tv_const, 1);
166 unsigned char val2 = get_tarval_sub_bits(tv_const, 2);
167 unsigned char val3 = get_tarval_sub_bits(tv_const, 3);
168 if(val2==0 && val3==0)
170 unsigned char val1 = get_tarval_sub_bits(tv_const, 1);
175 if(!(val2==0xff && val3==0xff))
177 unsigned char val1 = get_tarval_sub_bits(tv_const, 1);
185 panic("is_16bit_signed_const(): Mode not supported: %F", get_irn_mode(node));
190 * Returns true, if the given node is a Const node and it's value fits into
191 * a unsigned 16-bit variable
193 int is_16bit_unsigned_const(ir_node *node)
197 if(!is_ppc32_Const(node)) return 0;
199 tv_const = get_ppc32_constant_tarval(node);
200 switch(get_nice_modecode(get_irn_mode(node)))
211 unsigned char val2 = get_tarval_sub_bits(tv_const, 2);
212 unsigned char val3 = get_tarval_sub_bits(tv_const, 3);
218 panic("is_16bit_unsigned_const(): Mode not supported: %F", get_irn_mode(node));
223 /****************************************************************************************************
225 * | | | | / _| | | (_)
226 * _ __ ___ __| | ___ | |_ _ __ __ _ _ __ ___| |_ ___ _ __ _ __ ___ __ _| |_ _ ___ _ __
227 * | '_ \ / _ \ / _` |/ _ \ | __| '__/ _` | '_ \/ __| _/ _ \| '__| '_ ` _ \ / _` | __| |/ _ \| '_ \
228 * | | | | (_) | (_| | __/ | |_| | | (_| | | | \__ \ || (_) | | | | | | | | (_| | |_| | (_) | | | |
229 * |_| |_|\___/ \__,_|\___| \__|_| \__,_|_| |_|___/_| \___/|_| |_| |_| |_|\__,_|\__|_|\___/|_| |_|
231 ****************************************************************************************************/
234 * Creates an ppc Add.
236 * @param env The transformation environment
237 * @return the created ppc Add node
239 static ir_node *gen_Add(ppc32_transform_env_t *env) {
240 ir_node *op1 = get_Add_left(env->irn);
241 ir_node *op2 = get_Add_right(env->irn);
243 switch(get_nice_modecode(env->mode)){
245 return new_bd_ppc32_fAdd(env->dbg, env->block, op1, op2, env->mode);
247 return new_bd_ppc32_fAdds(env->dbg, env->block, op1, op2, env->mode);
255 if(is_16bit_signed_const(op1))
257 ir_node *addnode = new_bd_ppc32_Addi(env->dbg, env->block, op2, env->mode);
258 set_ppc32_constant_tarval(addnode, get_ppc32_constant_tarval(op1));
259 set_ppc32_offset_mode(addnode, ppc32_ao_None);
262 if(is_16bit_signed_const(op2))
264 ir_node *addnode = new_bd_ppc32_Addi(env->dbg, env->block, op1, env->mode);
265 set_ppc32_constant_tarval(addnode, get_ppc32_constant_tarval(op2));
266 set_ppc32_offset_mode(addnode, ppc32_ao_None);
270 return new_bd_ppc32_Add(env->dbg, env->block, op1, op2, env->mode);
273 panic("Mode for Add not supported: %F", env->mode);
278 * Creates an ppc Mul.
280 * @param env The transformation environment
281 * @return the created ppc Mul node
283 static ir_node *gen_Mul(ppc32_transform_env_t *env) {
284 ir_node *op1 = get_Mul_left(env->irn);
285 ir_node *op2 = get_Mul_right(env->irn);
287 switch(get_nice_modecode(env->mode)){
289 return new_bd_ppc32_fMul(env->dbg, env->block, op1, op2, env->mode);
291 return new_bd_ppc32_fMuls(env->dbg, env->block, op1, op2, env->mode);
298 return new_bd_ppc32_Mullw(env->dbg, env->block, op1, op2, env->mode);
302 panic("Mode for Mul not supported: %F", env->mode);
307 * Creates an ppc Mulh.
309 * @param env The transformation environment
310 * @return the created ppc Mulh node
312 static ir_node *gen_Mulh(ppc32_transform_env_t *env) {
313 ir_node *op1 = get_irn_n(env->irn, 0);
314 ir_node *op2 = get_irn_n(env->irn, 1);
316 switch(get_nice_modecode(env->mode)){
320 return new_bd_ppc32_Mulhw(env->dbg, env->block, op1, op2, env->mode);
325 return new_bd_ppc32_Mulhwu(env->dbg, env->block, op1, op2, env->mode);
331 panic("Mode for Mulh not supported: %F", env->mode);
336 * Creates an ppc And.
338 * @param env The transformation environment
339 * @return the created ppc And node
341 static ir_node *gen_And(ppc32_transform_env_t *env) {
342 ir_node *op1 = get_And_left(env->irn);
343 ir_node *op2 = get_And_right(env->irn);
345 return new_bd_ppc32_And(env->dbg, env->block, op1, op2, env->mode);
351 * @param env The transformation environment
352 * @return the created ppc Or node
354 static ir_node *gen_Or(ppc32_transform_env_t *env) {
355 ir_node *op1 = get_Or_left(env->irn);
356 ir_node *op2 = get_Or_right(env->irn);
358 return new_bd_ppc32_Or(env->dbg, env->block, op1, op2, env->mode);
362 * Creates an ppc Xor.
364 * @param env The transformation environment
365 * @return the created ppc Xor node
367 static ir_node *gen_Eor(ppc32_transform_env_t *env) {
368 ir_node *op1 = get_Eor_left(env->irn);
369 ir_node *op2 = get_Eor_right(env->irn);
371 return new_bd_ppc32_Xor(env->dbg, env->block, op1, op2, env->mode);
375 * Creates an ppc Sub.
377 * @param env The transformation environment
378 * @return the created ppc Sub node
380 static ir_node *gen_Sub(ppc32_transform_env_t *env) {
381 ir_node *op1 = get_Sub_left(env->irn);
382 ir_node *op2 = get_Sub_right(env->irn);
384 switch(get_nice_modecode(env->mode)){
386 return new_bd_ppc32_fSub(env->dbg, env->block, op1, op2, env->mode);
388 return new_bd_ppc32_fSubs(env->dbg, env->block, op1, op2, env->mode);
396 return new_bd_ppc32_Sub(env->dbg, env->block, op1, op2, env->mode);
399 panic("Mode for Sub not supported: %F", env->mode);
404 * Creates an ppc floating Div.
406 * @param env The transformation environment
407 * @return the created ppc fDiv node
409 static ir_node *gen_Quot(ppc32_transform_env_t *env) {
410 ir_node *op1 = get_Quot_left(env->irn);
411 ir_node *op2 = get_Quot_right(env->irn);
413 switch(get_nice_modecode(env->mode)){
415 return new_bd_ppc32_fDiv(env->dbg, env->block, op1, op2, env->mode);
417 return new_bd_ppc32_fDivs(env->dbg, env->block, op1, op2, env->mode);
420 panic("Mode for Quot not supported: %F", env->mode);
425 * Creates an ppc integer Div.
427 * @param env The transformation environment
428 * @return the created ppc Div node
430 static ir_node *gen_Div(ppc32_transform_env_t *env) {
431 ir_node *op1 = get_Div_left(env->irn);
432 ir_node *op2 = get_Div_right(env->irn);
434 switch(get_nice_modecode(get_irn_mode(op1))){
438 return new_bd_ppc32_Divw(env->dbg, env->block, op1, op2, mode_T);
443 return new_bd_ppc32_Divwu(env->dbg, env->block, op1, op2, mode_T);
446 panic("Mode for Div not supported: %F", get_irn_mode(op1));
451 * Creates an ppc integer Div and Mod.
453 * @param env The transformation environment
454 * @return the created ppc Div node
456 static ir_node *gen_DivMod(ppc32_transform_env_t *env) {
457 ir_node *op1 = get_DivMod_left(env->irn);
458 ir_node *op2 = get_DivMod_right(env->irn);
459 ir_node *proj_div = NULL, *proj_mod = NULL;
461 const ir_edge_t *edge;
464 foreach_out_edge(env->irn, edge)
466 if (is_Proj(edge->src))
468 switch(get_Proj_proj(edge->src)){
469 case pn_DivMod_res_div:
470 proj_div = edge->src;
472 case pn_DivMod_res_mod:
473 proj_mod = edge->src;
481 assert(proj_div!=NULL || proj_mod!=NULL);
483 res_mode = get_irn_mode(proj_div);
485 switch(get_nice_modecode(res_mode))
490 div_result = new_bd_ppc32_Divw(env->dbg, env->block, op1, op2, mode_T);
496 div_result = new_bd_ppc32_Divwu(env->dbg, env->block, op1, op2, mode_T);
500 panic("Mode for DivMod not supported: %F", res_mode);
503 if (proj_div == NULL)
504 proj_div = new_rd_Proj(env->dbg, env->block, div_result, get_irn_mode(proj_mod), pn_DivMod_res_div);
510 mul_result = new_bd_ppc32_Mullw(env->dbg, env->block, proj_div, op2, res_mode);
511 mod_result = new_bd_ppc32_Sub(env->dbg, env->block, op1, mul_result, res_mode);
513 exchange(proj_mod, mod_result);
520 * Creates an ppc integer Mod.
522 * @param env The transformation environment
523 * @return the created ppc Mod result node
525 static ir_node *gen_Mod(ppc32_transform_env_t *env) {
526 ir_node *op1 = get_Mod_left(env->irn);
527 ir_node *op2 = get_Mod_right(env->irn);
528 ir_node *proj_div = NULL, *proj_mod = NULL;
534 proj_mod = get_succ_Proj(env->irn, pn_Mod_res);
536 assert(proj_mod != NULL);
537 res_mode = get_irn_mode(proj_mod);
539 switch(get_nice_modecode(res_mode))
544 div_result = new_bd_ppc32_Divw(env->dbg, env->block, op1, op2, mode_T);
550 div_result = new_bd_ppc32_Divwu(env->dbg, env->block, op1, op2, mode_T);
554 fprintf(stderr, "Mode for Mod not supported: %s\n", get_mode_name(res_mode));
560 proj_div = new_rd_Proj(env->dbg, env->block, div_result, res_mode, pn_DivMod_res_div);
562 mul_result = new_bd_ppc32_Mullw(env->dbg, env->block, proj_div, op2, res_mode);
563 mod_result = new_bd_ppc32_Sub(env->dbg, env->block, op1, mul_result, res_mode);
565 exchange(proj_mod, mod_result);
571 * Creates an ppc Shl.
573 * @param env The transformation environment
574 * @return the created ppc Shl node
576 static ir_node *gen_Shl(ppc32_transform_env_t *env) {
577 ir_node *op1 = get_Shl_left(env->irn);
578 ir_node *op2 = get_Shl_right(env->irn);
580 if(is_ppc32_Const(op2))
582 ir_node *shift = new_bd_ppc32_Rlwinm(env->dbg, env->block, op1, env->mode);
583 tarval *tv_const = get_ppc32_constant_tarval(op2);
584 int sh = get_tarval_long(tv_const);
585 assert(0<=sh && sh<=31);
586 set_ppc32_rlwimi_const(shift, sh, 0, 31-sh);
589 return new_bd_ppc32_Slw(env->dbg, env->block, op1, op2, env->mode);
593 * Creates an ppc Srw.
595 * @param env The transformation environment
596 * @return the created ppc Shr node
598 static ir_node *gen_Shr(ppc32_transform_env_t *env) {
599 ir_node *op1 = get_Shr_left(env->irn);
600 ir_node *op2 = get_Shr_right(env->irn);
602 if(is_ppc32_Const(op2))
604 ir_node *shift = new_bd_ppc32_Rlwinm(env->dbg, env->block, op1, env->mode);
605 tarval *tv_const = get_ppc32_constant_tarval(op2);
606 int sh = get_tarval_long(tv_const);
607 assert(0<=sh && sh<=31);
608 set_ppc32_rlwimi_const(shift, 32-sh, sh, 31);
611 return new_bd_ppc32_Srw(env->dbg, env->block, op1, op2, env->mode);
615 * Creates an ppc Sraw.
617 * @param env The transformation environment
618 * @return the created ppc Sraw node
620 static ir_node *gen_Shrs(ppc32_transform_env_t *env) {
621 ir_node *op1 = get_Shrs_left(env->irn);
622 ir_node *op2 = get_Shrs_right(env->irn);
624 if(is_ppc32_Const(op2))
626 ir_node *shift = new_bd_ppc32_Srawi(env->dbg, env->block, op1, env->mode);
627 tarval *tv_const = get_ppc32_constant_tarval(op2);
628 int sh = get_tarval_long(tv_const);
629 assert(0<=sh && sh<=31);
631 set_ppc32_constant_tarval(shift, tv_const);
632 set_ppc32_offset_mode(shift, ppc32_ao_None);
635 return new_bd_ppc32_Sraw(env->dbg, env->block, op1, op2, env->mode);
639 * Creates an ppc Rotl.
641 * @param env The transformation environment
642 * @return the created ppc Rotl node
644 static ir_node *gen_Rotl(ppc32_transform_env_t *env) {
645 ir_node *op1 = get_Rotl_left(env->irn);
646 ir_node *op2 = get_Rotl_right(env->irn);
648 if(is_ppc32_Const(op2))
650 ir_node *rot = new_bd_ppc32_Rlwinm(env->dbg, env->block, op1, env->mode);
651 tarval *tv_const = get_ppc32_constant_tarval(op2);
652 int sh = get_tarval_long(tv_const);
653 assert(0<=sh && sh<=31);
654 set_ppc32_rlwimi_const(rot, sh, 0, 31);
657 return new_bd_ppc32_Rlwnm(env->dbg, env->block, op1, op2, env->mode);
661 * Creates an ppc Cmp.
663 * @param env The transformation environment
664 * @return the created ppc Cmp node
666 static ir_node *gen_Cmp(ppc32_transform_env_t *env) {
667 ir_node *op1 = get_Cmp_left(env->irn);
668 ir_node *op2 = get_Cmp_right(env->irn);
670 const ir_edge_t *edge;
671 foreach_out_edge(env->irn, edge)
673 if (is_Proj(edge->src))
674 set_irn_mode(edge->src, get_ppc32_mode_Cond());
677 if(mode_is_float(env->mode))
678 return new_bd_ppc32_fCmpu(env->dbg, env->block, op1, op2, env->mode);
679 else if(mode_is_signed(env->mode))
681 if(is_16bit_signed_const(op2))
683 ir_node *cmp = new_bd_ppc32_Cmpi(env->dbg, env->block, op1, env->mode);
684 tarval *tv_const = get_ppc32_constant_tarval(op2);
685 set_ppc32_constant_tarval(cmp, tv_const);
686 set_ppc32_offset_mode(cmp, ppc32_ao_None);
691 return new_bd_ppc32_Cmp(env->dbg, env->block, op1, op2, env->mode);
696 if(is_16bit_unsigned_const(op2))
698 ir_node *cmp = new_bd_ppc32_Cmpli(env->dbg, env->block, op1, env->mode);
699 tarval *tv_const = get_ppc32_constant_tarval(op2);
700 set_ppc32_constant_tarval(cmp, tv_const);
701 set_ppc32_offset_mode(cmp, ppc32_ao_None);
707 return new_bd_ppc32_Cmpl(env->dbg, env->block, op1, op2, env->mode);
713 * Transforms a Minus node.
715 * @param env The transformation environment
716 * @return the created ppc Minus node
718 static ir_node *gen_Minus(ppc32_transform_env_t *env) {
719 ir_node *op = get_Minus_op(env->irn);
721 switch(get_nice_modecode(env->mode)){
724 return new_bd_ppc32_fNeg(env->dbg, env->block, op, env->mode);
732 return new_bd_ppc32_Neg(env->dbg, env->block, op, env->mode);
735 panic("Mode for Neg not supported: %F", env->mode);
740 * Transforms a Not node.
742 * @param env The transformation environment
743 * @return the created ppc Not node
745 static ir_node *gen_Not(ppc32_transform_env_t *env) {
746 return new_bd_ppc32_Not(env->dbg, env->block, get_Not_op(env->irn), env->mode);
750 static ir_node *own_gen_Andi_dot_lo16(ppc32_transform_env_t *env, ir_node *op, int mask)
752 ir_node *andi = new_bd_ppc32_Andi_dot(env->dbg, env->block, op, mode_T);
754 set_ppc32_offset_mode(andi, ppc32_ao_Lo16);
755 set_ppc32_constant_tarval(andi, new_tarval_from_long(mask, mode_Is));
756 in[0] = new_rd_Proj(env->dbg, env->block, andi, env->mode,1);
757 be_new_Keep(env->block, 1, in);
758 return new_rd_Proj(env->dbg, env->block, andi, env->mode,0);
762 * Transforms a Conv node.
764 * @param env The transformation environment
765 * @return the created ppc Conv node
767 static ir_node *gen_Conv(ppc32_transform_env_t *env) {
768 ir_node *op = get_Conv_op(env->irn);
769 ppc32_modecode from_mode=get_nice_modecode(get_irn_mode(op));
770 ppc32_modecode to_mode=get_nice_modecode(env->mode);
772 #define SKIP return op
774 if(from_mode == to_mode) SKIP;
790 return new_bd_ppc32_fRsp(env->dbg, env->block, op, env->mode);
801 return new_bd_ppc32_Extsh(env->dbg, env->block, op, env->mode);
803 return own_gen_Andi_dot_lo16(env, op, 0xffff);
805 return new_bd_ppc32_Extsb(env->dbg, env->block, op, env->mode);
807 return own_gen_Andi_dot_lo16(env, op, 0xff);
821 if(from_mode==irm_Hu)
823 return own_gen_Andi_dot_lo16(env, op, 0xffff);
827 return new_bd_ppc32_Extsb(env->dbg, env->block, op, env->mode);
829 return own_gen_Andi_dot_lo16(env, op, 0xff);
831 return new_bd_ppc32_Extsh(env->dbg, env->block, op, env->mode);
843 if(from_mode==irm_Bs)
845 return own_gen_Andi_dot_lo16(env, op, 0xff);
850 return new_bd_ppc32_Extsb(env->dbg, env->block, op, env->mode);
856 if(to_mode==irm_Is || to_mode==irm_Iu) SKIP;
862 panic("Mode for Conv not supported: %F -> %F", get_irn_mode(op), env->mode);
867 * Transforms an Abs node.
869 * @param env The transformation environment
870 * @return the ppc node generating the absolute value
872 static ir_node *gen_Abs(ppc32_transform_env_t *env) {
873 ir_node *op = get_Abs_op(env->irn);
877 switch(get_nice_modecode(env->mode))
881 return new_bd_ppc32_fAbs(env->dbg, env->block, op, env->mode);
887 n1 = new_bd_ppc32_Srawi(env->dbg, env->block, op, env->mode);
888 set_ppc32_constant_tarval(n1, new_tarval_from_long(shift, mode_Is));
889 set_ppc32_offset_mode(n1, ppc32_ao_None);
890 n2 = new_bd_ppc32_Add(env->dbg, env->block, op, n1, env->mode);
891 return new_bd_ppc32_Xor(env->dbg, env->block, n2, n1, env->mode);
895 panic("Mode for Abs not supported: %F", env->mode);
900 * Transforms an Cond node.
902 * @param env The transformation environment
903 * @return a ppc branch node
905 static ir_node *gen_Cond(ppc32_transform_env_t *env) {
906 ir_node *selector = get_Cond_selector(env->irn);
907 ir_mode *projmode = get_irn_mode(selector);
908 if(is_Proj(selector) && projmode==get_ppc32_mode_Cond())
910 int projnum = get_Proj_proj(selector);
911 ir_node *branch = new_bd_ppc32_Branch(env->dbg, env->block, selector, env->mode);
912 set_ppc32_proj_nr(branch, projnum);
917 ir_node *unknown_gpr = new_bd_ppc32_Unknown(env->dbg, env->block, mode_Is);
918 ir_node *unknown_cond = new_bd_ppc32_cUnknown(env->dbg, env->block, get_ppc32_mode_Cond());
920 ir_node *switch_node = new_bd_ppc32_Switch(env->dbg, env->block, selector,
921 unknown_gpr, unknown_cond, env->mode);
922 set_ppc32_proj_nr(switch_node, get_Cond_default_proj(env->irn));
929 * Transforms an Unknown node.
931 * @param env The transformation environment
932 * @return a ppc Unknown node
934 static ir_node *gen_Unknown(ppc32_transform_env_t *env) {
935 if(mode_is_float(env->mode))
936 return new_bd_ppc32_fUnknown(env->dbg, env->block, env->mode);
937 else if (mode_is_int(env->mode))
938 return new_bd_ppc32_Unknown(env->dbg, env->block, env->mode);
940 panic("Mode %F for unknown value not supported.", env->mode);
943 static ir_node *ldst_insert_const(ir_node *ptr, tarval **ptv, ident **pid, ppc32_transform_env_t *env) {
944 tarval *tv_const = NULL;
945 ident *id_symconst = NULL;
947 if(is_ppc32_Const(ptr))
949 tv_const = get_ppc32_constant_tarval(ptr);
950 ptr = new_bd_ppc32_Addis_zero(env->dbg, env->block, mode_P, ppc32_ao_Ha16, tv_const, NULL);
952 else if(is_ppc32_SymConst(ptr))
955 ir_entity *ent = get_ppc32_frame_entity(ptr);
956 if(is_direct_entity(ent))
958 id_symconst = get_entity_ident(ent);
959 ptr = new_bd_ppc32_Addis_zero(env->dbg, env->block, mode_P, ppc32_ao_Ha16, NULL, id_symconst);
971 * @param env The transformation environment
972 * @return the created ppc Load node
974 static ir_node *gen_Load(ppc32_transform_env_t *env) {
975 ir_node *node = env->irn;
976 ir_node *loadptr = get_Load_ptr(node);
978 ir_mode *mode = get_Load_mode(node);
979 tarval *tv_const = NULL;
980 ident *id_symconst = NULL;
982 loadptr = ldst_insert_const(loadptr, &tv_const, &id_symconst, env);
983 switch(get_nice_modecode(mode)){
985 load = new_bd_ppc32_Lbz(env->dbg, env->block, loadptr, get_Load_mem(node));
990 ir_node *proj_load, *extsb_node;
991 load = new_bd_ppc32_Lbz(env->dbg, env->block, loadptr, get_Load_mem(node));
992 proj_load = new_rd_Proj(env->dbg, env->block, load, mode, pn_Load_res);
993 extsb_node = new_bd_ppc32_Extsb(env->dbg, env->block, proj_load, mode);
994 exchange(get_succ_Proj(env->irn, pn_Load_res), extsb_node);
1000 load = new_bd_ppc32_Lhz(env->dbg, env->block, loadptr, get_Load_mem(node));
1003 load =new_bd_ppc32_Lha(env->dbg, env->block, loadptr, get_Load_mem(node));
1008 load = new_bd_ppc32_Lwz(env->dbg, env->block, loadptr, get_Load_mem(node));
1012 load = new_bd_ppc32_Lfd(env->dbg, env->block, loadptr, get_Load_mem(node));
1015 load = new_bd_ppc32_Lfs(env->dbg, env->block, loadptr, get_Load_mem(node));
1019 panic("Mode for Load not supported: %F", env->mode);
1024 set_ppc32_offset_mode(load, ppc32_ao_Lo16);
1025 set_ppc32_constant_tarval(load, tv_const);
1027 else if(id_symconst)
1029 set_ppc32_offset_mode(load, ppc32_ao_Lo16);
1030 set_ppc32_symconst_ident(load, id_symconst);
1038 * Transforms a Store.
1040 * @param env The transformation environment
1041 * @return the created ppc Store node
1043 static ir_node *gen_Store(ppc32_transform_env_t *env) {
1044 ir_node *node = env->irn;
1045 ir_node *storeptr = get_Store_ptr(node);
1046 ir_node *valuenode = get_Store_value(node);
1047 ir_mode *mode = get_irn_mode(valuenode);
1049 tarval *tv_const = NULL;
1050 ident *id_symconst = NULL;
1052 storeptr = ldst_insert_const(storeptr, &tv_const, &id_symconst, env);
1054 switch(get_nice_modecode(mode)){
1057 store = new_bd_ppc32_Stb(env->dbg, env->block, storeptr, get_Store_value(node), get_Store_mem(node));
1062 store = new_bd_ppc32_Sth(env->dbg, env->block, storeptr, get_Store_value(node), get_Store_mem(node));
1067 store = new_bd_ppc32_Stw(env->dbg, env->block, storeptr, get_Store_value(node), get_Store_mem(node));
1071 store = new_bd_ppc32_Stfd(env->dbg, env->block, storeptr, get_Store_value(node), get_Store_mem(node));
1074 store = new_bd_ppc32_Stfs(env->dbg, env->block, storeptr, get_Store_value(node), get_Store_mem(node));
1078 panic("Mode for Store not supported: %F", env->mode);
1082 set_ppc32_offset_mode(store, ppc32_ao_Lo16);
1083 set_ppc32_constant_tarval(store, tv_const);
1085 else if(id_symconst)
1087 set_ppc32_offset_mode(store, ppc32_ao_Lo16);
1088 set_ppc32_symconst_ident(store, id_symconst);
1094 * Transforms a CopyB.
1096 * @param env The transformation environment
1097 * @return the created ppc CopyB node
1099 static ir_node *gen_CopyB(ppc32_transform_env_t *env) {
1100 ir_node *mem = get_CopyB_mem(env->irn);
1101 ir_node *src = get_CopyB_src(env->irn);
1102 ir_node *dest = get_CopyB_dst(env->irn);
1103 ir_type *type = get_CopyB_type(env->irn);
1104 int size = get_type_size_bytes(type);
1107 ir_node *load, *store = NULL;
1112 tarval *offset0 = new_tarval_from_long(0, mode_Is);
1113 tarval *offset4 = new_tarval_from_long(4, mode_Is);
1115 load = new_bd_ppc32_Lwz(env->dbg, env->block, src, mem);
1116 set_ppc32_constant_tarval(load, offset0);
1117 set_ppc32_offset_mode(load, ppc32_ao_None);
1118 mem = new_rd_Proj(env->dbg, env->block, load, mode_M, pn_Load_M);
1119 res = new_rd_Proj(env->dbg, env->block, load, mode_Is, pn_Load_res);
1121 store = new_bd_ppc32_Stw(env->dbg, env->block, dest, res, mem);
1122 set_ppc32_constant_tarval(store, offset0);
1123 set_ppc32_offset_mode(store, ppc32_ao_None);
1124 mem = new_rd_Proj(env->dbg, env->block, store, mode_M, pn_Store_M);
1128 load = new_bd_ppc32_Lwz(env->dbg, env->block, src, mem);
1129 set_ppc32_constant_tarval(load, offset4);
1130 set_ppc32_offset_mode(load, ppc32_ao_None);
1131 mem = new_rd_Proj(env->dbg, env->block, load, mode_M, pn_Load_M);
1132 res = new_rd_Proj(env->dbg, env->block, load, mode_Is, pn_Load_res);
1134 store = new_bd_ppc32_Stw(env->dbg, env->block, dest, res, mem);
1135 set_ppc32_constant_tarval(store, offset4);
1136 set_ppc32_offset_mode(store, ppc32_ao_None);
1137 mem = new_rd_Proj(env->dbg, env->block, store, mode_M, pn_Store_M);
1143 ir_node *ornode, *mtctrnode;
1145 assert(size/4-1<=0xffff);
1148 ornode = new_bd_ppc32_Addi_zero(env->dbg, env->block, mode_Is);
1149 set_ppc32_offset_mode(ornode, ppc32_ao_None);
1153 ir_node *zeroreg = new_bd_ppc32_Addi_zero(env->dbg, env->block, mode_Is);
1154 set_ppc32_offset_mode(zeroreg, ppc32_ao_None);
1155 set_ppc32_constant_tarval(zeroreg, new_tarval_from_long(0, mode_Is));
1156 ornode = new_bd_ppc32_Ori(env->dbg, env->block, zeroreg, mode_Is);
1157 set_ppc32_offset_mode(ornode, ppc32_ao_Lo16);
1160 set_ppc32_constant_tarval(ornode, new_tarval_from_long(size/4-1, mode_Is));
1161 mtctrnode = new_bd_ppc32_Mtctr(env->dbg, env->block, ornode, mode_Is);
1162 store = new_bd_ppc32_LoopCopy(env->dbg, env->block, src, dest, mtctrnode, mem, mode_T);
1164 in[0] = new_rd_Proj(env->dbg, env->block, store, mode_Is, 1); // src
1165 in[1] = new_rd_Proj(env->dbg, env->block, store, mode_Is, 2); // dest
1166 in[2] = new_rd_Proj(env->dbg, env->block, store, mode_Is, 4); // temp
1167 be_new_Keep(env->block, 3, in);
1168 in[0] = new_rd_Proj(env->dbg, env->block, store, mode_Is, 3); // ctr
1169 be_new_Keep(env->block, 1, in);
1171 mem = new_rd_Proj(env->dbg, env->block, store, mode_M, 0);
1180 tarval* offset_tarval = new_tarval_from_long(offset, mode_Is);
1181 load = new_bd_ppc32_Lhz(env->dbg, env->block, src, mem);
1182 set_ppc32_constant_tarval(load, offset_tarval);
1183 set_ppc32_offset_mode(load, ppc32_ao_None);
1184 mem = new_rd_Proj(env->dbg, env->block, load, mode_M, pn_Load_M);
1185 res = new_rd_Proj(env->dbg, env->block, load, mode_Is, pn_Load_res);
1187 store = new_bd_ppc32_Sth(env->dbg, env->block, dest, res, mem);
1188 set_ppc32_constant_tarval(store, offset_tarval);
1189 set_ppc32_offset_mode(store, ppc32_ao_None);
1190 mem = new_rd_Proj(env->dbg, env->block, store, mode_M, pn_Store_M);
1198 tarval* offset_tarval = new_tarval_from_long(offset, mode_Is);
1199 load = new_bd_ppc32_Lbz(env->dbg, env->block, src, mem);
1200 set_ppc32_constant_tarval(load, offset_tarval);
1201 set_ppc32_offset_mode(load, ppc32_ao_None);
1202 mem = new_rd_Proj(env->dbg, env->block, load, mode_M, pn_Load_M);
1203 res = new_rd_Proj(env->dbg, env->block, load, mode_Is, pn_Load_res);
1205 store = new_bd_ppc32_Stb(env->dbg, env->block, dest, res, mem);
1206 set_ppc32_constant_tarval(store, offset_tarval);
1207 set_ppc32_offset_mode(store, ppc32_ao_None);
1208 // mem = new_rd_Proj(env->dbg, env->irg, env->block, store, mode_M, pn_Store_M);
1215 * Transforms a FrameAddr into a ppc Add.
1217 * @param env The transformation environment
1219 static ir_node *gen_be_FrameAddr(ppc32_transform_env_t *env) {
1220 ir_node *op = get_irn_n(env->irn, 0);
1221 ir_node *add = new_bd_ppc32_Addi(env->dbg, env->block, op, mode_P);
1222 set_ppc32_frame_entity(add, be_get_frame_entity(env->irn));
1227 /*********************************************************
1230 * _ __ ___ __ _ _ _ __ __| |_ __ ___ _____ _ __
1231 * | '_ ` _ \ / _` | | '_ \ / _` | '__| \ \ / / _ \ '__|
1232 * | | | | | | (_| | | | | | | (_| | | | |\ V / __/ |
1233 * |_| |_| |_|\__,_|_|_| |_| \__,_|_| |_| \_/ \___|_|
1235 *********************************************************/
1238 * the BAD transformer.
1240 static ir_node *bad_transform(ppc32_transform_env_t *env) {
1241 panic("Transformation not implemented: %+F\n", env->irn);
1245 * Enters all transform functions into the generic pointer
1247 void ppc32_register_transformers(void) {
1248 /* first clear the generic function pointer for all ops */
1249 clear_irp_opcodes_generic_func();
1251 #define FIRM_OP(a) op_##a->ops.generic = (op_func)gen_##a
1252 #define BAD(a) op_##a->ops.generic = (op_func)bad_transform
1284 /* TODO: implement these nodes */
1287 /* You probably don't need to handle the following nodes */
1317 /* handle builtins */
1320 /* handle generic backend nodes */
1321 FIRM_OP(be_FrameAddr);
1324 typedef ir_node *(transform_func)(ppc32_transform_env_t *env);
1327 * Transforms the given firm node (and maybe some other related nodes)
1328 * into one or more assembler nodes.
1330 * @param node the firm node
1331 * @param env the debug module
1333 void ppc32_transform_node(ir_node *node, void *env) {
1334 ppc32_code_gen_t *cg = (ppc32_code_gen_t *)env;
1335 ir_op *op = get_irn_op(node);
1336 ir_node *asm_node = NULL;
1342 DBG((cg->mod, LEVEL_1, "check %+F ... ", node));
1344 if (op->ops.generic) {
1345 ppc32_transform_env_t tenv;
1346 transform_func *transform = (transform_func *)op->ops.generic;
1348 tenv.block = get_nodes_block(node);
1349 tenv.dbg = get_irn_dbg_info(node);
1350 tenv.irg = current_ir_graph;
1352 tenv.mode = get_irn_mode(node);
1353 DEBUG_ONLY(tenv.mod = cg->mod;)
1355 asm_node = (*transform)(&tenv);
1359 exchange(node, asm_node);
1360 DB((cg->mod, LEVEL_1, "created node %+F[%p]\n", asm_node, asm_node));
1363 DB((cg->mod, LEVEL_1, "ignored\n"));
1368 * Constant generating code
1376 /** Compares two (entity, tarval) combinations */
1377 static int cmp_tv_ent(const void *a, const void *b, size_t len) {
1378 const struct tv_ent *e1 = a;
1379 const struct tv_ent *e2 = b;
1382 return !(e1->tv == e2->tv);
1385 /** Generates a SymConst node for a known FP const */
1386 static ir_node *gen_fp_known_symconst(ppc32_transform_env_t *env,
1387 tarval *known_const)
1389 static set *const_set = NULL;
1390 static ir_type *tp = NULL;
1392 struct tv_ent *entry;
1393 ir_node *cnst,*symcnst;
1395 ir_entity *ent = NULL;
1398 const_set = new_set(cmp_tv_ent, 10);
1400 tp = new_type_primitive(env->mode);
1402 key.tv = known_const;
1405 entry = set_insert(const_set, &key, sizeof(key), HASH_PTR(key.tv));
1409 sprintf(buf, "const_%ld", get_irn_node_nr(env->irn));
1410 ent = new_entity(get_glob_type(), new_id_from_str(buf), tp);
1412 set_entity_ld_ident(ent, get_entity_ident(ent));
1413 set_entity_visibility(ent, ir_visibility_local);
1414 add_entity_linkage(ent, IR_LINKAGE_CONSTANT);
1416 /* we create a new entity here: It's initialization must resist on the
1418 rem = current_ir_graph;
1419 current_ir_graph = get_const_code_irg();
1420 cnst = new_Const(key.tv);
1421 current_ir_graph = rem;
1423 set_atomic_ent_value(ent, cnst);
1425 /* set the entry for hashmap */
1427 } // TODO: Wird nicht richtig in global type gesteckt, ppc32_gen_decls.c findet ihn nicht
1429 symcnst = new_bd_ppc32_SymConst(env->dbg, env->block, env->mode);
1430 set_ppc32_frame_entity(symcnst, ent);
1434 static ir_node *gen_ppc32_SymConst(ppc32_transform_env_t *env);
1437 * Transforms a Const.
1439 * @param mod the debug module
1440 * @param block the block the new node should belong to
1441 * @param node the ir Const node
1442 * @param mode node mode
1443 * @return the created ppc Load immediate node
1445 static ir_node *gen_ppc32_Const(ppc32_transform_env_t *env) {
1446 tarval *tv_const = get_ppc32_constant_tarval(env->irn);
1449 switch(get_nice_modecode(env->mode)){
1452 unsigned char val1 = get_tarval_sub_bits(tv_const, 1);
1455 ir_node *zeroreg = new_bd_ppc32_Addi_zero(env->dbg, env->block, mode_Is);
1456 set_ppc32_constant_tarval(zeroreg, new_tarval_from_long(0, mode_Is));
1457 set_ppc32_offset_mode(zeroreg, ppc32_ao_None);
1458 node = new_bd_ppc32_Ori(env->dbg, env->block, zeroreg, mode_Is);
1459 set_ppc32_offset_mode(node, ppc32_ao_Lo16);
1466 node = new_bd_ppc32_Addi_zero(env->dbg, env->block, env->mode);
1467 set_ppc32_offset_mode(node, ppc32_ao_None);
1473 unsigned char val2 = get_tarval_sub_bits(tv_const,2);
1474 unsigned char val3 = get_tarval_sub_bits(tv_const,3);
1477 unsigned char val1 = get_tarval_sub_bits(tv_const, 1);
1480 ir_node *zeroreg = new_bd_ppc32_Addi_zero(env->dbg, env->block, mode_Is);
1481 set_ppc32_constant_tarval(zeroreg, new_tarval_from_long(0, mode_Is));
1482 set_ppc32_offset_mode(zeroreg, ppc32_ao_None);
1483 node = new_bd_ppc32_Ori(env->dbg, env->block, zeroreg, mode_Is);
1484 set_ppc32_offset_mode(node, ppc32_ao_Lo16);
1488 node = new_bd_ppc32_Addi_zero(env->dbg, env->block, env->mode);
1489 set_ppc32_offset_mode(node, ppc32_ao_None);
1494 unsigned char val0 = get_tarval_sub_bits(tv_const,0);
1495 unsigned char val1 = get_tarval_sub_bits(tv_const,1);
1496 node = new_bd_ppc32_Addis_zero(env->dbg, env->block, env->mode, ppc32_ao_Hi16, tv_const, NULL);
1499 set_ppc32_constant_tarval(node, tv_const);
1500 node = new_bd_ppc32_Ori(env->dbg, env->block, node, env->mode);
1501 set_ppc32_offset_mode(node, ppc32_ao_Lo16);
1508 panic("Mode for Const not supported: %F", env->mode);
1510 set_ppc32_constant_tarval(node, tv_const);
1515 * Transforms a fConst.
1517 * @param mod the debug module
1518 * @param block the block the new node should belong to
1519 * @param node the ir Const node
1520 * @param mode node mode
1521 * @return the created ppc float Load node
1523 static ir_node *gen_ppc32_fConst(ppc32_transform_env_t *env) {
1524 tarval *tv_const = get_ppc32_constant_tarval(env->irn);
1526 switch(get_nice_modecode(env->mode)){
1530 ir_node *addr, *load;
1531 ir_mode *mode = env->mode;
1533 env->irn = gen_fp_known_symconst(env, tv_const);
1535 ent = get_ppc32_frame_entity(env->irn);
1537 if(is_direct_entity(ent))
1539 ident *id_symconst = get_entity_ident(ent);
1540 ir_node *node_addis = new_bd_ppc32_Addis_zero(env->dbg, env->block, env->mode, ppc32_ao_Ha16, NULL, id_symconst);
1543 load = new_bd_ppc32_Lfd(env->dbg, env->block, node_addis, new_NoMem());
1545 load = new_bd_ppc32_Lfs(env->dbg, env->block, node_addis, new_NoMem());
1547 set_ppc32_symconst_ident(load, id_symconst);
1548 set_ppc32_offset_mode(load, ppc32_ao_Lo16);
1553 addr = gen_ppc32_SymConst (env);
1555 load = new_bd_ppc32_Lfd(env->dbg, env->block, addr, new_NoMem());
1557 load = new_bd_ppc32_Lfs(env->dbg, env->block, addr, new_NoMem());
1561 return new_rd_Proj(env->dbg, env->block, load, mode, pn_Load_res);
1565 panic("Mode for fConst not supported: %F", env->mode);
1570 * Transforms a SymConst.
1572 * @param mod the debug module
1573 * @param block the block the new node should belong to
1574 * @param node the ir Const node
1575 * @param mode node mode
1576 * @return the created ppc Load immediate node
1578 static ir_node *gen_ppc32_SymConst(ppc32_transform_env_t *env) {
1579 ir_entity *ent = get_ppc32_frame_entity(env->irn);
1580 ident *id_symconst = get_entity_ident(ent);
1582 switch(get_nice_modecode(env->mode)){
1586 if (is_direct_entity(ent))
1589 ir_node *node_addis = new_bd_ppc32_Addis_zero(env->dbg, env->block, env->mode, ppc32_ao_Hi16, NULL, id_symconst);
1590 node = new_bd_ppc32_Ori(env->dbg, env->block, node_addis, env->mode);
1591 set_ppc32_symconst_ident(node, id_symconst);
1592 set_ppc32_offset_mode(node, ppc32_ao_Lo16);
1597 ir_node *node_addis = new_bd_ppc32_Addis_zero(env->dbg, env->block, env->mode, ppc32_ao_Ha16, NULL, id_symconst);
1598 node = new_bd_ppc32_Lwz(env->dbg, env->block, node_addis, new_NoMem());
1599 set_ppc32_symconst_ident(node, id_symconst);
1600 set_ppc32_offset_mode(node, ppc32_ao_Lo16);
1601 node = new_rd_Proj(env->dbg, env->block, node, env->mode, pn_Load_res);
1608 panic("Mode for SymConst not supported: %F", env->mode);
1614 * Transforms the given firm node (and maybe some other related nodes)
1615 * into one or more assembler nodes.
1617 * @param node the firm node
1618 * @param env the debug module
1620 void ppc32_transform_const(ir_node *node, void *env) {
1621 ppc32_code_gen_t *cgenv = (ppc32_code_gen_t *)env;
1622 ir_node *asm_node = NULL;
1623 ppc32_transform_env_t tenv;
1629 tenv.block = get_nodes_block(node);
1630 tenv.dbg = get_irn_dbg_info(node);
1631 tenv.irg = current_ir_graph;
1633 DEBUG_ONLY(tenv.mod = cgenv->mod;)
1634 tenv.mode = get_irn_mode(node);
1636 #define OTHER_GEN(a) \
1637 if (get_irn_op(node) == get_op_##a()) { \
1638 asm_node = gen_##a(&tenv); \
1641 DBG((tenv.mod, LEVEL_1, "check %+F ... ", node));
1643 OTHER_GEN(ppc32_Const)
1644 else OTHER_GEN(ppc32_fConst)
1645 else OTHER_GEN(ppc32_SymConst)
1648 exchange(node, asm_node);
1649 DB((tenv.mod, LEVEL_1, "created node %+F[%p]\n", asm_node, asm_node));
1652 DB((tenv.mod, LEVEL_1, "ignored\n"));