1 /* The codegenerator (transform FIRM into ppc FIRM) */
13 #include "iredges_t.h"
20 #include "../benode_t.h"
21 #include "bearch_ppc32_t.h"
23 #include "ppc32_nodes_attr.h"
24 #include "../arch/archop.h" /* we need this for Min and Max nodes */
25 #include "ppc32_transform.h"
26 #include "ppc32_new_nodes.h"
27 #include "ppc32_map_regs.h"
29 #include "gen_ppc32_regalloc_if.h"
31 extern pset *symbol_pset;
32 extern ir_op *get_op_Mulh(void);
34 int is_direct_entity(entity *ent);
36 ir_mode* ppc32_mode_Cond = NULL;
39 * Returns the proj of a given node with the given proj number
41 static INLINE ir_node *get_succ_Proj(ir_node *node, long proj)
43 const ir_edge_t *edge;
44 foreach_out_edge(node, edge)
46 if (is_Proj(edge->src) && get_Proj_proj(edge->src) == proj)
53 * Returns a singleton condition mode
55 ir_mode *get_ppc32_mode_Cond(void) {
57 return ppc32_mode_Cond;
59 ppc32_mode_Cond = new_ir_mode("mode_Cond", irms_character, 4, 0, irma_none, 0);
60 return ppc32_mode_Cond;
65 * Calculates the modecode with size, sort and signed attributes
67 modecode get_nice_modecode(ir_mode *irmode)
69 modecode mode = irm_max;
70 int sign = mode_is_signed(irmode);
71 int bits = get_mode_size_bits(irmode);
72 if(mode_is_int(irmode))
77 mode = sign ? irm_Bs : irm_Bu;
80 mode = sign ? irm_Hs : irm_Hu;
83 mode = sign ? irm_Is : irm_Iu;
87 else if(mode_is_float(irmode))
99 else if(mode_is_reference(irmode))
112 * Returns true, if the given node is a Const node and it's value fits into
113 * a signed 16-bit variable
115 int is_16bit_signed_const(ir_node *node)
119 if(!is_ppc32_Const(node)) return 0;
121 tv_const = get_ppc32_constant_tarval(node);
123 switch(get_nice_modecode(get_irn_mode(node)))
132 unsigned char val2 = get_tarval_sub_bits(tv_const, 2);
133 unsigned char val3 = get_tarval_sub_bits(tv_const, 3);
141 unsigned char val1 = get_tarval_sub_bits(tv_const, 1);
149 unsigned char val2 = get_tarval_sub_bits(tv_const, 2);
150 unsigned char val3 = get_tarval_sub_bits(tv_const, 3);
151 if(val2==0 && val3==0)
153 unsigned char val1 = get_tarval_sub_bits(tv_const, 1);
158 if(!(val2==0xff && val3==0xff))
160 unsigned char val1 = get_tarval_sub_bits(tv_const, 1);
168 fprintf(stderr, "is_16bit_signed_const(): Mode not supported: %s\n", get_mode_name(get_irn_mode(node)));
175 * Returns true, if the given node is a Const node and it's value fits into
176 * a unsigned 16-bit variable
178 int is_16bit_unsigned_const(ir_node *node)
182 if(!is_ppc32_Const(node)) return 0;
184 tv_const = get_ppc32_constant_tarval(node);
185 switch(get_nice_modecode(get_irn_mode(node)))
196 unsigned char val2 = get_tarval_sub_bits(tv_const, 2);
197 unsigned char val3 = get_tarval_sub_bits(tv_const, 3);
203 fprintf(stderr, "is_16bit_unsigned_const(): Mode not supported: %s\n", get_mode_name(get_irn_mode(node)));
210 /****************************************************************************************************
212 * | | | | / _| | | (_)
213 * _ __ ___ __| | ___ | |_ _ __ __ _ _ __ ___| |_ ___ _ __ _ __ ___ __ _| |_ _ ___ _ __
214 * | '_ \ / _ \ / _` |/ _ \ | __| '__/ _` | '_ \/ __| _/ _ \| '__| '_ ` _ \ / _` | __| |/ _ \| '_ \
215 * | | | | (_) | (_| | __/ | |_| | | (_| | | | \__ \ || (_) | | | | | | | | (_| | |_| | (_) | | | |
216 * |_| |_|\___/ \__,_|\___| \__|_| \__,_|_| |_|___/_| \___/|_| |_| |_| |_|\__,_|\__|_|\___/|_| |_|
218 ****************************************************************************************************/
221 * Creates an ppc Add.
223 * @param env The transformation environment
224 * @param op1 first operator
225 * @param op2 second operator
226 * @return the created ppc Add node
228 static ir_node *gen_Add(ppc32_transform_env_t *env, ir_node *op1, ir_node *op2) {
229 switch(get_nice_modecode(env->mode)){
231 return new_rd_ppc32_fAdd(env->dbg, env->irg, env->block, op1, op2, env->mode);
233 return new_rd_ppc32_fAdds(env->dbg, env->irg, env->block, op1, op2, env->mode);
241 if(is_16bit_signed_const(op1))
243 ir_node *addnode = new_rd_ppc32_Addi(env->dbg, env->irg, env->block, op2, env->mode);
244 set_ppc32_constant_tarval(addnode, get_ppc32_constant_tarval(op1));
245 set_ppc32_offset_mode(addnode, ppc32_ao_None);
248 if(is_16bit_signed_const(op2))
250 ir_node *addnode = new_rd_ppc32_Addi(env->dbg, env->irg, env->block, op1, env->mode);
251 set_ppc32_constant_tarval(addnode, get_ppc32_constant_tarval(op2));
252 set_ppc32_offset_mode(addnode, ppc32_ao_None);
256 return new_rd_ppc32_Add(env->dbg, env->irg, env->block, op1, op2, env->mode);
259 fprintf(stderr, "Mode for Add not supported: %s\n", get_mode_name(env->mode));
268 * Creates an ppc Mul.
270 * @param dbg firm node dbg
271 * @param block the block the new node should belong to
272 * @param op1 first operator
273 * @param op2 second operator
274 * @param mode node mode
275 * @return the created ppc Mul node
277 static ir_node *gen_Mul(ppc32_transform_env_t *env, ir_node *op1, ir_node *op2) {
278 switch(get_nice_modecode(env->mode)){
280 return new_rd_ppc32_fMul(env->dbg, env->irg, env->block, op1, op2, env->mode);
282 return new_rd_ppc32_fMuls(env->dbg, env->irg, env->block, op1, op2, env->mode);
289 return new_rd_ppc32_Mullw(env->dbg, env->irg, env->block, op1, op2, env->mode);
293 fprintf(stderr, "Mode for Mul not supported: %s\n", get_mode_name(env->mode));
300 * Creates an ppc Mulh.
302 * @param dbg firm node dbg
303 * @param block the block the new node should belong to
304 * @param op1 first operator
305 * @param op2 second operator
306 * @param mode node mode
307 * @return the created ppc Mulh node
309 static ir_node *gen_Mulh(ppc32_transform_env_t *env, ir_node *op1, ir_node *op2) {
310 switch(get_nice_modecode(env->mode)){
314 return new_rd_ppc32_Mulhw(env->dbg, env->irg, env->block, op1, op2, env->mode);
319 return new_rd_ppc32_Mulhwu(env->dbg, env->irg, env->block, op1, op2, env->mode);
325 fprintf(stderr, "Mode for Mulh not supported: %s\n", get_mode_name(env->mode));
333 * Creates an ppc And.
335 * @param dbg firm node dbg
336 * @param block the block the new node should belong to
337 * @param op1 first operator
338 * @param op2 second operator
339 * @param mode node mode
340 * @return the created ppc And node
342 static ir_node *gen_And(ppc32_transform_env_t *env, ir_node *op1, ir_node *op2) {
343 return new_rd_ppc32_And(env->dbg, env->irg, env->block, op1, op2, env->mode);
351 * @param dbg firm node dbg
352 * @param block the block the new node should belong to
353 * @param op1 first operator
354 * @param op2 second operator
355 * @param mode node mode
356 * @return the created ppc Or node
358 static ir_node *gen_Or(ppc32_transform_env_t *env, ir_node *op1, ir_node *op2) {
359 return new_rd_ppc32_Or(env->dbg, env->irg, env->block, op1, op2, env->mode);
365 * Creates an ppc Xor.
367 * @param dbg firm node dbg
368 * @param block the block the new node should belong to
369 * @param op1 first operator
370 * @param op2 second operator
371 * @param mode node mode
372 * @return the created ppc Xor node
374 static ir_node *gen_Eor(ppc32_transform_env_t *env, ir_node *op1, ir_node *op2) {
375 return new_rd_ppc32_Xor(env->dbg, env->irg, env->block, op1, op2, env->mode);
381 * Creates an ppc Sub.
383 * @param dbg firm node dbg
384 * @param block the block the new node should belong to
385 * @param op1 first operator
386 * @param op2 second operator
387 * @param mode node mode
388 * @return the created ppc Sub node
390 static ir_node *gen_Sub(ppc32_transform_env_t *env, ir_node *op1, ir_node *op2) {
391 switch(get_nice_modecode(env->mode)){
393 return new_rd_ppc32_fSub(env->dbg, env->irg, env->block, op1, op2, env->mode);
395 return new_rd_ppc32_fSubs(env->dbg, env->irg, env->block, op1, op2, env->mode);
403 return new_rd_ppc32_Sub(env->dbg, env->irg, env->block, op1, op2, env->mode);
406 fprintf(stderr, "Mode for Sub not supported: %s\n", get_mode_name(env->mode));
415 * Creates an ppc floating Div.
417 * @param dbg firm node dbg
418 * @param block the block the new node should belong to
419 * @param op1 first operator
420 * @param op2 second operator
421 * @param mode node mode
422 * @return the created ppc fDiv node
424 static ir_node *gen_Quot(ppc32_transform_env_t *env, ir_node *op1, ir_node *op2) {
425 switch(get_nice_modecode(env->mode)){
427 return new_rd_ppc32_fDiv(env->dbg, env->irg, env->block, op1, op2, env->mode);
429 return new_rd_ppc32_fDivs(env->dbg, env->irg, env->block, op1, op2, env->mode);
432 fprintf(stderr, "Mode for Quot not supported: %s\n", get_mode_name(env->mode));
440 * Creates an ppc integer Div.
442 * @param dbg firm node dbg
443 * @param block the block the new node should belong to
444 * @param op1 first operator
445 * @param op2 second operator
446 * @param mode node mode
447 * @return the created ppc Div node
449 static ir_node *gen_Div(ppc32_transform_env_t *env, ir_node *op1, ir_node *op2) {
450 ir_node *proj_div = NULL;
451 const ir_edge_t *edge;
453 foreach_out_edge(env->irn, edge)
455 if (is_Proj(edge->src) && get_Proj_proj(edge->src) == pn_DivMod_res_div)
456 proj_div = edge->src;
459 switch(get_nice_modecode(get_irn_mode(proj_div))){
463 return new_rd_ppc32_Divw(env->dbg, env->irg, env->block, op1, op2, mode_T);
468 return new_rd_ppc32_Divwu(env->dbg, env->irg, env->block, op1, op2, mode_T);
471 fprintf(stderr, "Mode for Div not supported: %s\n", get_mode_name(get_irn_mode(proj_div)));
478 * Creates an ppc integer Div and Mod.
480 * @param dbg firm node dbg
481 * @param block the block the new node should belong to
482 * @param op1 first operator
483 * @param op2 second operator
484 * @param mode node mode
485 * @return the created ppc Div node
487 static ir_node *gen_DivMod(ppc32_transform_env_t *env, ir_node *op1, ir_node *op2) {
488 ir_node *proj_div = NULL, *proj_mod = NULL;
490 const ir_edge_t *edge;
493 foreach_out_edge(env->irn, edge)
495 if (is_Proj(edge->src))
497 switch(get_Proj_proj(edge->src)){
498 case pn_DivMod_res_div:
499 proj_div = edge->src;
501 case pn_DivMod_res_mod:
502 proj_mod = edge->src;
510 assert(proj_div!=NULL || proj_mod!=NULL);
512 res_mode = get_irn_mode(proj_div);
514 switch(get_nice_modecode(res_mode))
519 div_result = new_rd_ppc32_Divw(env->dbg, env->irg, env->block, op1, op2, mode_T);
525 div_result = new_rd_ppc32_Divwu(env->dbg, env->irg, env->block, op1, op2, mode_T);
529 fprintf(stderr, "Mode for DivMod not supported: %s\n", get_mode_name(res_mode));
535 if (proj_div == NULL)
536 proj_div = new_rd_Proj(env->dbg, env->irg, env->block, div_result, get_irn_mode(proj_mod), pn_DivMod_res_div);
542 mul_result = new_rd_ppc32_Mullw(env->dbg, env->irg, env->block, proj_div, op2, res_mode);
543 mod_result = new_rd_ppc32_Sub(env->dbg, env->irg, env->block, op1, mul_result, res_mode);
545 exchange(proj_mod, mod_result);
552 * Creates an ppc integer Mod.
554 * @param dbg firm node dbg
555 * @param block the block the new node should belong to
556 * @param op1 first operator
557 * @param op2 second operator
558 * @param mode node mode
559 * @return the created ppc Mod result node
561 static ir_node *gen_Mod(ppc32_transform_env_t *env, ir_node *op1, ir_node *op2) {
562 ir_node *proj_div = NULL, *proj_mod = NULL;
568 proj_mod = get_succ_Proj(env->irn, pn_Mod_res);
570 assert(proj_mod!=NULL);
571 res_mode = get_irn_mode(proj_mod);
573 switch(get_nice_modecode(res_mode))
578 div_result = new_rd_ppc32_Divw(env->dbg, env->irg, env->block, op1, op2, mode_T);
584 div_result = new_rd_ppc32_Divwu(env->dbg, env->irg, env->block, op1, op2, mode_T);
588 fprintf(stderr, "Mode for Mod not supported: %s\n", get_mode_name(res_mode));
594 proj_div = new_rd_Proj(env->dbg, env->irg, env->block, div_result, res_mode, pn_DivMod_res_div);
596 mul_result = new_rd_ppc32_Mullw(env->dbg, env->irg, env->block, proj_div, op2, res_mode);
597 mod_result = new_rd_ppc32_Sub(env->dbg, env->irg, env->block, op1, mul_result, res_mode);
599 exchange(proj_mod, mod_result);
608 * Creates an ppc Shl.
610 * @param dbg firm node dbg
611 * @param block the block the new node should belong to
612 * @param op1 first operator
613 * @param op2 second operator
614 * @param mode node mode
615 * @return the created ppc Shl node
617 static ir_node *gen_Shl(ppc32_transform_env_t *env, ir_node *op1, ir_node *op2) {
618 if(is_ppc32_Const(op2))
620 ir_node *shift = new_rd_ppc32_Rlwinm(env->dbg, env->irg, env->block, op1, env->mode);
621 tarval *tv_const = get_ppc32_constant_tarval(op2);
622 int sh = get_tarval_long(tv_const);
623 assert(0<=sh && sh<=31);
624 set_ppc32_rlwimi_const(shift, sh, 0, 31-sh);
627 return new_rd_ppc32_Slw(env->dbg, env->irg, env->block, op1, op2, env->mode);
633 * Creates an ppc Srw.
635 * @param dbg firm node dbg
636 * @param block the block the new node should belong to
637 * @param op1 first operator
638 * @param op2 second operator
639 * @param mode node mode
640 * @return the created ppc Shr node
642 static ir_node *gen_Shr(ppc32_transform_env_t *env, ir_node *op1, ir_node *op2) {
643 if(is_ppc32_Const(op2))
645 ir_node *shift = new_rd_ppc32_Rlwinm(env->dbg, env->irg, env->block, op1, env->mode);
646 tarval *tv_const = get_ppc32_constant_tarval(op2);
647 int sh = get_tarval_long(tv_const);
648 assert(0<=sh && sh<=31);
649 set_ppc32_rlwimi_const(shift, 32-sh, sh, 31);
652 return new_rd_ppc32_Srw(env->dbg, env->irg, env->block, op1, op2, env->mode);
657 * Creates an ppc Sraw.
659 * @param dbg firm node dbg
660 * @param block the block the new node should belong to
661 * @param op1 first operator
662 * @param op2 second operator
663 * @param mode node mode
664 * @return the created ppc Sraw node
666 static ir_node *gen_Shrs(ppc32_transform_env_t *env, ir_node *op1, ir_node *op2) {
667 if(is_ppc32_Const(op2))
669 ir_node *shift = new_rd_ppc32_Srawi(env->dbg, env->irg, env->block, op1, env->mode);
670 tarval *tv_const = get_ppc32_constant_tarval(op2);
671 int sh = get_tarval_long(tv_const);
672 assert(0<=sh && sh<=31);
673 set_ppc32_constant_tarval(shift, tv_const);
674 set_ppc32_offset_mode(shift, ppc32_ao_None);
677 return new_rd_ppc32_Sraw(env->dbg, env->irg, env->block, op1, op2, env->mode);
682 * Creates an ppc RotL.
684 * @param dbg firm node dbg
685 * @param block the block the new node should belong to
686 * @param op1 first operator
687 * @param op2 second operator
688 * @param mode node mode
689 * @return the created ppc RotL node
691 static ir_node *gen_Rot(ppc32_transform_env_t *env, ir_node *op1, ir_node *op2) {
692 if(is_ppc32_Const(op2))
694 ir_node *rot = new_rd_ppc32_Rlwinm(env->dbg, env->irg, env->block, op1, env->mode);
695 tarval *tv_const = get_ppc32_constant_tarval(op2);
696 int sh = get_tarval_long(tv_const);
697 assert(0<=sh && sh<=31);
698 set_ppc32_rlwimi_const(rot, sh, 0, 31);
701 return new_rd_ppc32_Rlwnm(env->dbg, env->irg, env->block, op1, op2, env->mode);
706 * Creates an ppc Cmp.
708 * @param dbg firm node dbg
709 * @param block the block the new node should belong to
710 * @param op1 first operator
711 * @param op2 second operator
712 * @param mode node mode
713 * @return the created ppc Cmp node
715 static ir_node *gen_Cmp(ppc32_transform_env_t *env, ir_node *op1, ir_node *op2) {
716 const ir_edge_t *edge;
717 foreach_out_edge(env->irn, edge)
719 if (is_Proj(edge->src))
720 set_irn_mode(edge->src, get_ppc32_mode_Cond());
723 if(mode_is_float(env->mode))
724 return new_rd_ppc32_fCmpu(env->dbg, env->irg, env->block, op1, op2, env->mode);
725 else if(mode_is_signed(env->mode))
727 if(is_16bit_signed_const(op2))
729 ir_node *cmp = new_rd_ppc32_Cmpi(env->dbg, env->irg, env->block, op1, env->mode);
730 tarval *tv_const = get_ppc32_constant_tarval(op2);
731 set_ppc32_constant_tarval(cmp, tv_const);
732 set_ppc32_offset_mode(cmp, ppc32_ao_None);
737 return new_rd_ppc32_Cmp(env->dbg, env->irg, env->block, op1, op2, env->mode);
742 if(is_16bit_unsigned_const(op2))
744 ir_node *cmp = new_rd_ppc32_Cmpli(env->dbg, env->irg, env->block, op1, env->mode);
745 tarval *tv_const = get_ppc32_constant_tarval(op2);
746 set_ppc32_constant_tarval(cmp, tv_const);
747 set_ppc32_offset_mode(cmp, ppc32_ao_None);
753 return new_rd_ppc32_Cmpl(env->dbg, env->irg, env->block, op1, op2, env->mode);
760 * Transforms a Minus node.
762 * @param mod the debug module
763 * @param block the block the new node should belong to
764 * @param node the ir Minus node
766 * @param mode node mode
767 * @return the created ppc Minus node
769 static ir_node *gen_Minus(ppc32_transform_env_t *env, ir_node *op) {
770 switch(get_nice_modecode(env->mode)){
773 return new_rd_ppc32_fNeg(env->dbg, env->irg, env->block, op, env->mode);
781 return new_rd_ppc32_Neg(env->dbg, env->irg, env->block, op, env->mode);
784 fprintf(stderr, "Mode for Neg not supported: %s\n", get_mode_name(env->mode));
793 * Transforms a Not node.
795 * @param mod the debug module
796 * @param block the block the new node should belong to
797 * @param node the ir Not node
799 * @param mode node mode
800 * @return the created ppc Not node
802 static ir_node *gen_Not(ppc32_transform_env_t *env, ir_node *op) {
803 return new_rd_ppc32_Not(env->dbg, env->irg, env->block, op, env->mode);
807 static ir_node *own_gen_Andi_dot_lo16(ppc32_transform_env_t *env, ir_node *op, int mask)
809 ir_node *andi = new_rd_ppc32_Andi_dot(env->dbg, env->irg, env->block, op, mode_T);
811 set_ppc32_offset_mode(andi, ppc32_ao_Lo16);
812 set_ppc32_constant_tarval(andi, new_tarval_from_long(mask, mode_Is));
813 in[0] = new_rd_Proj(env->dbg, env->irg, env->block, andi, env->mode,1);
814 be_new_Keep(&ppc32_reg_classes[CLASS_ppc32_condition], env->irg, env->block, 1, in);
815 return new_rd_Proj(env->dbg, env->irg, env->block, andi, env->mode,0);
819 * Transforms a Conv node.
821 * @param mod the debug module
822 * @param block the block the new node should belong to
823 * @param node the ir Conv node
825 * @param mode node mode
826 * @return the created ppc Conv node
828 static ir_node *gen_Conv(ppc32_transform_env_t *env, ir_node *op) {
829 modecode from_mode=get_nice_modecode(get_irn_mode(get_irn_n(env->irn,0)));
830 modecode to_mode=get_nice_modecode(env->mode);
832 #define SKIP return get_irn_n(env->irn, 0)
834 if(from_mode == to_mode) SKIP;
848 return new_rd_ppc32_fRsp(env->dbg, env->irg, env->block, op, env->mode);
857 return new_rd_ppc32_Extsh(env->dbg, env->irg, env->block, op, env->mode);
859 return own_gen_Andi_dot_lo16(env, op, 0xffff);
861 return new_rd_ppc32_Extsb(env->dbg, env->irg, env->block, op, env->mode);
863 return own_gen_Andi_dot_lo16(env, op, 0xff);
875 if(from_mode==irm_Hu)
877 return own_gen_Andi_dot_lo16(env, op, 0xffff);
881 return new_rd_ppc32_Extsb(env->dbg, env->irg, env->block, op, env->mode);
883 return own_gen_Andi_dot_lo16(env, op, 0xff);
885 return new_rd_ppc32_Extsh(env->dbg, env->irg, env->block, op, env->mode);
895 if(from_mode==irm_Bs)
897 return own_gen_Andi_dot_lo16(env, op, 0xff);
902 return new_rd_ppc32_Extsb(env->dbg, env->irg, env->block, op, env->mode);
906 if(to_mode==irm_Is || to_mode==irm_Iu) SKIP;
910 fprintf(stderr, "Mode for Conv not supported: %s -> %s\n",
911 get_mode_name(get_irn_mode(get_irn_n(env->irn,0))),get_mode_name(env->mode));
920 * Transforms an Abs node.
922 * @param mod the debug module
923 * @param block the block the new node should belong to
924 * @param node the ir Not node
926 * @param mode node mode
927 * @return the ppc node generating the absolute value
929 static ir_node *gen_Abs(ppc32_transform_env_t *env, ir_node *op) {
931 switch(get_nice_modecode(env->mode))
935 return new_rd_ppc32_fAbs(env->dbg, env->irg, env->block, op, env->mode);
944 n1 = new_rd_ppc32_Srawi(env->dbg, env->irg, env->block, op, env->mode);
945 set_ppc32_constant_tarval(n1, new_tarval_from_long(shift, mode_Is));
946 set_ppc32_offset_mode(n1, ppc32_ao_None);
947 n2 = new_rd_ppc32_Add(env->dbg, env->irg, env->block, op, n1, env->mode);
948 return new_rd_ppc32_Xor(env->dbg, env->irg, env->block, n2, n1, env->mode);
951 fprintf(stderr, "Mode for Abs not supported: %s\n", get_mode_name(env->mode));
957 * Transforms an Cond node.
959 * @param mod the debug module
960 * @param block the block the new node should belong to
961 * @param node the ir Not node
963 * @param mode node mode
964 * @return a ppc branch node
966 static ir_node *gen_Cond(ppc32_transform_env_t *env) {
967 ir_node *selector = get_Cond_selector(env->irn);
968 ir_mode *projmode = get_irn_mode(selector);
969 if(is_Proj(selector) && projmode==get_ppc32_mode_Cond())
971 int projnum = get_Proj_proj(selector);
972 ir_node *branch = new_rd_ppc32_Branch(env->dbg, env->irg, env->block, selector, env->mode);
973 set_ppc32_proj_nr(branch, projnum);
978 ir_node *unknown_gpr = new_rd_ppc32_Unknown(env->dbg, env->irg, env->block, mode_Is);
979 ir_node *unknown_cond = new_rd_ppc32_cUnknown(env->dbg, env->irg, env->block, get_ppc32_mode_Cond());
981 ir_node *switch_node = new_rd_ppc32_Switch(env->dbg, env->irg, env->block, selector,
982 unknown_gpr, unknown_cond, env->mode);
983 set_ppc32_proj_nr(switch_node, get_Cond_defaultProj(env->irn));
991 * Transforms an Unknown node.
993 * @param mod the debug module
994 * @param block the block the new node should belong to
995 * @param node the ir Not node
997 * @param mode node mode
998 * @return a ppc Unknown node
1000 static ir_node *gen_Unknown(ppc32_transform_env_t *env) {
1001 if(mode_is_float(env->mode))
1002 return new_rd_ppc32_fUnknown(env->dbg, env->irg, env->block, env->mode);
1003 else if (mode_is_int(env->mode))
1004 return new_rd_ppc32_Unknown(env->dbg, env->irg, env->block, env->mode);
1007 fprintf(stderr, "Mode %s for unknown value not supported.\n", get_mode_name(env->mode));
1013 static ir_node *ldst_insert_const(ir_node *ptr, tarval **ptv, ident **pid, ppc32_transform_env_t *env) {
1014 tarval *tv_const = NULL;
1015 ident *id_symconst = NULL;
1017 if(is_ppc32_Const(ptr))
1019 tv_const = get_ppc32_constant_tarval(ptr);
1020 ptr = new_rd_ppc32_Addis_zero(env->dbg, env->irg, env->block, mode_P, ppc32_ao_Ha16, tv_const, NULL);
1022 else if(is_ppc32_SymConst(ptr))
1024 entity *ent = get_ppc32_frame_entity(ptr);
1025 if(is_direct_entity(ent))
1027 id_symconst = get_entity_ident(ent);
1028 ptr = new_rd_ppc32_Addis_zero(env->dbg, env->irg, env->block, mode_P, ppc32_ao_Ha16, NULL, id_symconst);
1037 * Transforms a Load.
1039 * @param mod the debug module
1040 * @param block the block the new node should belong to
1041 * @param node the ir Load node
1042 * @param mode node mode
1043 * @return the created ppc Load node
1045 static ir_node *gen_Load(ppc32_transform_env_t *env) {
1046 ir_node *node = env->irn;
1047 ir_node *loadptr = get_Load_ptr(node);
1049 ir_mode *mode = get_Load_mode(node);
1050 tarval *tv_const = NULL;
1051 ident *id_symconst = NULL;
1053 loadptr = ldst_insert_const(loadptr, &tv_const, &id_symconst, env);
1054 switch(get_nice_modecode(mode)){
1056 load = new_rd_ppc32_Lbz(env->dbg, env->irg, env->block, loadptr, get_Load_mem(node), env->mode);
1061 ir_node *proj_load, *extsb_node;
1062 load = new_rd_ppc32_Lbz(env->dbg, env->irg, env->block, loadptr, get_Load_mem(node), env->mode);
1063 proj_load = new_rd_Proj(env->dbg, env->irg, env->block, load, mode, pn_Load_res);
1064 extsb_node = new_rd_ppc32_Extsb(env->dbg, env->irg, env->block, proj_load, mode);
1065 exchange(get_succ_Proj(env->irn, pn_Load_res), extsb_node);
1071 load = new_rd_ppc32_Lhz(env->dbg, env->irg, env->block, loadptr, get_Load_mem(node), env->mode);
1074 load =new_rd_ppc32_Lha(env->dbg, env->irg, env->block, loadptr, get_Load_mem(node), env->mode);
1079 load = new_rd_ppc32_Lwz(env->dbg, env->irg, env->block, loadptr, get_Load_mem(node), env->mode);
1083 load = new_rd_ppc32_Lfd(env->dbg, env->irg, env->block, loadptr, get_Load_mem(node), env->mode);
1086 load = new_rd_ppc32_Lfs(env->dbg, env->irg, env->block, loadptr, get_Load_mem(node), env->mode);
1090 fprintf(stderr, "Mode for Load not supported: %s\n", get_mode_name(env->mode));
1097 set_ppc32_offset_mode(load, ppc32_ao_Lo16);
1098 set_ppc32_constant_tarval(load, tv_const);
1100 else if(id_symconst)
1102 set_ppc32_offset_mode(load, ppc32_ao_Lo16);
1103 set_ppc32_symconst_ident(load, id_symconst);
1111 * Transforms a Store.
1113 * @param mod the debug module
1114 * @param block the block the new node should belong to
1115 * @param node the ir Store node
1116 * @param mode node mode
1117 * @return the created ppc Store node
1119 static ir_node *gen_Store(ppc32_transform_env_t *env) {
1120 ir_node *node = env->irn;
1121 ir_node *storeptr = get_Store_ptr(node);
1122 ir_node *valuenode = get_Store_value(node);
1123 ir_mode *mode = get_irn_mode(valuenode);
1125 tarval *tv_const = NULL;
1126 ident *id_symconst = NULL;
1128 storeptr = ldst_insert_const(storeptr, &tv_const, &id_symconst, env);
1130 switch(get_nice_modecode(mode)){
1133 store = new_rd_ppc32_Stb(env->dbg, env->irg, env->block, storeptr, get_Store_value(node), get_Store_mem(node), env->mode);
1138 store = new_rd_ppc32_Sth(env->dbg, env->irg, env->block, storeptr, get_Store_value(node), get_Store_mem(node), env->mode);
1143 store = new_rd_ppc32_Stw(env->dbg, env->irg, env->block, storeptr, get_Store_value(node), get_Store_mem(node), env->mode);
1147 store = new_rd_ppc32_Stfd(env->dbg, env->irg, env->block, storeptr, get_Store_value(node), get_Store_mem(node), env->mode);
1150 store = new_rd_ppc32_Stfs(env->dbg, env->irg, env->block, storeptr, get_Store_value(node), get_Store_mem(node), env->mode);
1154 fprintf(stderr, "Mode for Store not supported: %s\n", get_mode_name(env->mode));
1160 set_ppc32_offset_mode(store, ppc32_ao_Lo16);
1161 set_ppc32_constant_tarval(store, tv_const);
1163 else if(id_symconst)
1165 set_ppc32_offset_mode(store, ppc32_ao_Lo16);
1166 set_ppc32_symconst_ident(store, id_symconst);
1172 * Transforms a CopyB.
1174 * @param mod the debug module
1175 * @param block the block the new node should belong to
1176 * @param node the ir Store node
1177 * @param mode node mode
1178 * @return the created ppc CopyB node
1180 static ir_node *gen_CopyB(ppc32_transform_env_t *env) {
1181 ir_node *mem = get_CopyB_mem(env->irn);
1182 ir_node *src = get_CopyB_src(env->irn);
1183 ir_node *dest = get_CopyB_dst(env->irn);
1184 ir_type *type = get_CopyB_type(env->irn);
1185 int size = get_type_size_bytes(type);
1188 ir_node *load, *store;
1193 tarval *offset0 = new_tarval_from_long(0, mode_Is);
1194 tarval *offset4 = new_tarval_from_long(4, mode_Is);
1196 load = new_rd_ppc32_Lwz(env->dbg, env->irg, env->block, src, mem, mode_T);
1197 set_ppc32_constant_tarval(load, offset0);
1198 set_ppc32_offset_mode(load, ppc32_ao_None);
1199 mem = new_rd_Proj(env->dbg, env->irg, env->block, load, mode_M, pn_Load_M);
1200 res = new_rd_Proj(env->dbg, env->irg, env->block, load, mode_Is, pn_Load_res);
1202 store = new_rd_ppc32_Stw(env->dbg, env->irg, env->block, dest, res, mem, mode_T);
1203 set_ppc32_constant_tarval(store, offset0);
1204 set_ppc32_offset_mode(store, ppc32_ao_None);
1205 mem = new_rd_Proj(env->dbg, env->irg, env->block, store, mode_M, pn_Store_M);
1209 load = new_rd_ppc32_Lwz(env->dbg, env->irg, env->block, src, mem, mode_T);
1210 set_ppc32_constant_tarval(load, offset4);
1211 set_ppc32_offset_mode(load, ppc32_ao_None);
1212 mem = new_rd_Proj(env->dbg, env->irg, env->block, load, mode_M, pn_Load_M);
1213 res = new_rd_Proj(env->dbg, env->irg, env->block, load, mode_Is, pn_Load_res);
1215 store = new_rd_ppc32_Stw(env->dbg, env->irg, env->block, dest, res, mem, mode_T);
1216 set_ppc32_constant_tarval(store, offset4);
1217 set_ppc32_offset_mode(store, ppc32_ao_None);
1218 mem = new_rd_Proj(env->dbg, env->irg, env->block, store, mode_M, pn_Store_M);
1224 ir_node *ornode, *mtctrnode;
1226 assert(size/4-1<=0xffff);
1229 ornode = new_rd_ppc32_Addi_zero(env->dbg, env->irg, env->block, mode_Is);
1230 set_ppc32_offset_mode(ornode, ppc32_ao_None);
1234 ir_node *zeroreg = new_rd_ppc32_Addi_zero(env->dbg, env->irg, env->block, mode_Is);
1235 set_ppc32_offset_mode(zeroreg, ppc32_ao_None);
1236 set_ppc32_constant_tarval(zeroreg, new_tarval_from_long(0, mode_Is));
1237 ornode = new_rd_ppc32_Ori(env->dbg, env->irg, env->block, zeroreg, mode_Is);
1238 set_ppc32_offset_mode(ornode, ppc32_ao_Lo16);
1241 set_ppc32_constant_tarval(ornode, new_tarval_from_long(size/4-1, mode_Is));
1242 mtctrnode = new_rd_ppc32_Mtctr(env->dbg, env->irg, env->block, ornode, mode_Is);
1243 store = new_rd_ppc32_LoopCopy(env->dbg, env->irg, env->block, src, dest, mtctrnode, mem, mode_T);
1245 in[0] = new_rd_Proj(env->dbg, env->irg, env->block, store, mode_Is, 1); // src
1246 in[1] = new_rd_Proj(env->dbg, env->irg, env->block, store, mode_Is, 2); // dest
1247 in[2] = new_rd_Proj(env->dbg, env->irg, env->block, store, mode_Is, 4); // temp
1248 be_new_Keep(&ppc32_reg_classes[CLASS_ppc32_general_purpose], env->irg, env->block, 3, in);
1249 in[0] = new_rd_Proj(env->dbg, env->irg, env->block, store, mode_Is, 3); // ctr
1250 be_new_Keep(&ppc32_reg_classes[CLASS_ppc32_count], env->irg, env->block, 1, in);
1252 mem = new_rd_Proj(env->dbg, env->irg, env->block, store, mode_M, 0);
1261 tarval* offset_tarval = new_tarval_from_long(offset, mode_Is);
1262 load = new_rd_ppc32_Lhz(env->dbg, env->irg, env->block, src, mem, mode_T);
1263 set_ppc32_constant_tarval(load, offset_tarval);
1264 set_ppc32_offset_mode(load, ppc32_ao_None);
1265 mem = new_rd_Proj(env->dbg, env->irg, env->block, load, mode_M, pn_Load_M);
1266 res = new_rd_Proj(env->dbg, env->irg, env->block, load, mode_Is, pn_Load_res);
1268 store = new_rd_ppc32_Sth(env->dbg, env->irg, env->block, dest, res, mem, mode_T);
1269 set_ppc32_constant_tarval(store, offset_tarval);
1270 set_ppc32_offset_mode(store, ppc32_ao_None);
1271 mem = new_rd_Proj(env->dbg, env->irg, env->block, store, mode_M, pn_Store_M);
1279 tarval* offset_tarval = new_tarval_from_long(offset, mode_Is);
1280 load = new_rd_ppc32_Lbz(env->dbg, env->irg, env->block, src, mem, mode_T);
1281 set_ppc32_constant_tarval(load, offset_tarval);
1282 set_ppc32_offset_mode(load, ppc32_ao_None);
1283 mem = new_rd_Proj(env->dbg, env->irg, env->block, load, mode_M, pn_Load_M);
1284 res = new_rd_Proj(env->dbg, env->irg, env->block, load, mode_Is, pn_Load_res);
1286 store = new_rd_ppc32_Stb(env->dbg, env->irg, env->block, dest, res, mem, mode_T);
1287 set_ppc32_constant_tarval(store, offset_tarval);
1288 set_ppc32_offset_mode(store, ppc32_ao_None);
1289 // mem = new_rd_Proj(env->dbg, env->irg, env->block, store, mode_M, pn_Store_M);
1296 * Transforms a FrameAddr into a ppc Add.
1298 static ir_node *gen_FrameAddr(ppc32_transform_env_t *env) {
1299 ir_node *op = get_irn_n(env->irn, 0);
1300 ir_node *add = new_rd_ppc32_Addi(env->dbg, env->irg, env->block, op, mode_P);
1301 set_ppc32_frame_entity(add, be_get_frame_entity(env->irn));
1306 * Transforms a StackParam into a ppc Load
1308 static ir_node *gen_StackParam(ppc32_transform_env_t *env) {
1309 ir_node *load = new_rd_ppc32_Lwz(env->dbg, env->irg, env->block, get_irn_n(env->irn, 0), new_NoMem(), mode_T);
1310 ir_node *proj = new_rd_Proj(env->dbg, env->irg, env->block, load, env->mode, pn_Load_res);
1311 set_ppc32_frame_entity(load, be_get_frame_entity(env->irn));
1316 /*********************************************************
1319 * _ __ ___ __ _ _ _ __ __| |_ __ ___ _____ _ __
1320 * | '_ ` _ \ / _` | | '_ \ / _` | '__| \ \ / / _ \ '__|
1321 * | | | | | | (_| | | | | | | (_| | | | |\ V / __/ |
1322 * |_| |_| |_|\__,_|_|_| |_| \__,_|_| |_| \_/ \___|_|
1324 *********************************************************/
1329 * Transforms the given firm node (and maybe some other related nodes)
1330 * into one or more assembler nodes.
1332 * @param node the firm node
1333 * @param env the debug module
1335 void ppc32_transform_node(ir_node *node, void *env) {
1336 ppc32_code_gen_t *cgenv = (ppc32_code_gen_t *)env;
1337 opcode code = get_irn_opcode(node);
1338 ir_node *asm_node = NULL;
1339 ppc32_transform_env_t tenv;
1344 tenv.block = get_nodes_block(node);
1345 tenv.dbg = get_irn_dbg_info(node);
1346 tenv.irg = current_ir_graph;
1348 tenv.mod = cgenv->mod;
1349 tenv.mode = get_irn_mode(node);
1351 #define UNOP(a) case iro_##a: asm_node = gen_##a(&tenv, get_##a##_op(node)); break
1352 #define BINOP(a) case iro_##a: asm_node = gen_##a(&tenv, get_##a##_left(node), get_##a##_right(node)); break
1353 #define GEN(a) case iro_##a: asm_node = gen_##a(&tenv); break
1354 #define IGN(a) case iro_##a: break
1355 #define BAD(a) case iro_##a: goto bad
1356 #define OTHER_BIN(a) \
1357 if (get_irn_op(node) == get_op_##a()) { \
1358 asm_node = gen_##a(&tenv, get_irn_n(node, 0), get_irn_n(node, 1)); \
1362 if (be_is_##a(node)) { \
1363 asm_node = gen_##a(&tenv); \
1367 DBG((tenv.mod, LEVEL_1, "check %+F ... ", node));
1398 /* TODO: implement these nodes */
1401 /* You probably don't need to handle the following nodes */
1435 if (get_irn_op(node) == get_op_Max() ||
1436 get_irn_op(node) == get_op_Min())
1438 /* TODO: implement */
1439 /* ignore for now */
1443 fprintf(stderr, "Not implemented: %s\n", get_irn_opname(node));
1448 exchange(node, asm_node);
1449 DB((tenv.mod, LEVEL_1, "created node %+F[%p]\n", asm_node, asm_node));
1452 DB((tenv.mod, LEVEL_1, "ignored\n"));
1457 * Constant generating code
1465 /** Compares two (entity, tarval) combinations */
1466 static int cmp_tv_ent(const void *a, const void *b, size_t len) {
1467 const struct tv_ent *e1 = a;
1468 const struct tv_ent *e2 = b;
1470 return !(e1->tv == e2->tv);
1473 /** Generates a SymConst node for a known FP const */
1474 static ir_node *gen_fp_known_symconst(ppc32_transform_env_t *env, tarval *known_const) {
1475 static set *const_set = NULL;
1476 static ir_type *tp = NULL;
1478 struct tv_ent *entry;
1479 ir_node *cnst,*symcnst;
1484 const_set = new_set(cmp_tv_ent, 10);
1486 tp = new_type_primitive(new_id_from_str("const_double_t"), env->mode);
1488 key.tv = known_const;
1491 entry = set_insert(const_set, &key, sizeof(key), HASH_PTR(key.tv));
1495 sprintf(buf, "const_%i", get_irn_node_nr(env->irn));
1496 ent = new_entity(get_glob_type(), new_id_from_str(buf), tp);
1498 set_entity_ld_ident(ent, get_entity_ident(ent));
1499 set_entity_visibility(ent, visibility_local);
1500 set_entity_variability(ent, variability_constant);
1501 set_entity_allocation(ent, allocation_static);
1503 /* we create a new entity here: It's initialization must resist on the
1505 rem = current_ir_graph;
1506 current_ir_graph = get_const_code_irg();
1507 cnst = new_Const(env->mode, key.tv);
1508 current_ir_graph = rem;
1510 set_atomic_ent_value(ent, cnst);
1512 /* set the entry for hashmap */
1514 } // TODO: Wird nicht richtig in global type gesteckt, ppc32_gen_decls.c findet ihn nicht
1516 symcnst = new_rd_ppc32_SymConst(env->dbg, env->irg, env->block, env->mode);
1517 set_ppc32_frame_entity(symcnst, ent);
1521 static ir_node *gen_ppc32_SymConst(ppc32_transform_env_t *env);
1524 * Transforms a Const.
1526 * @param mod the debug module
1527 * @param block the block the new node should belong to
1528 * @param node the ir Const node
1529 * @param mode node mode
1530 * @return the created ppc Load immediate node
1532 static ir_node *gen_ppc32_Const(ppc32_transform_env_t *env) {
1533 tarval *tv_const = get_ppc32_constant_tarval(env->irn);
1536 switch(get_nice_modecode(env->mode)){
1539 unsigned char val1 = get_tarval_sub_bits(tv_const, 1);
1542 ir_node *zeroreg = new_rd_ppc32_Addi_zero(env->dbg, env->irg, env->block, mode_Is);
1543 set_ppc32_constant_tarval(zeroreg, new_tarval_from_long(0, mode_Is));
1544 set_ppc32_offset_mode(zeroreg, ppc32_ao_None);
1545 node = new_rd_ppc32_Ori(env->dbg, env->irg, env->block, zeroreg, mode_Is);
1546 set_ppc32_offset_mode(node, ppc32_ao_Lo16);
1553 node = new_rd_ppc32_Addi_zero(env->dbg, env->irg, env->block, env->mode);
1554 set_ppc32_offset_mode(node, ppc32_ao_None);
1560 unsigned char val2 = get_tarval_sub_bits(tv_const,2);
1561 unsigned char val3 = get_tarval_sub_bits(tv_const,3);
1564 unsigned char val1 = get_tarval_sub_bits(tv_const, 1);
1567 ir_node *zeroreg = new_rd_ppc32_Addi_zero(env->dbg, env->irg, env->block, mode_Is);
1568 set_ppc32_constant_tarval(zeroreg, new_tarval_from_long(0, mode_Is));
1569 set_ppc32_offset_mode(zeroreg, ppc32_ao_None);
1570 node = new_rd_ppc32_Ori(env->dbg, env->irg, env->block, zeroreg, mode_Is);
1571 set_ppc32_offset_mode(node, ppc32_ao_Lo16);
1575 node = new_rd_ppc32_Addi_zero(env->dbg, env->irg, env->block, env->mode);
1576 set_ppc32_offset_mode(node, ppc32_ao_None);
1581 unsigned char val0 = get_tarval_sub_bits(tv_const,0);
1582 unsigned char val1 = get_tarval_sub_bits(tv_const,1);
1583 node = new_rd_ppc32_Addis_zero(env->dbg, env->irg, env->block, env->mode, ppc32_ao_Hi16, tv_const, NULL);
1586 set_ppc32_constant_tarval(node, tv_const);
1587 node = new_rd_ppc32_Ori(env->dbg, env->irg, env->block, node, env->mode);
1588 set_ppc32_offset_mode(node, ppc32_ao_Lo16);
1595 fprintf(stderr, "Mode for Const not supported: %s\n", get_mode_name(env->mode));
1599 set_ppc32_constant_tarval(node, tv_const);
1604 * Transforms a fConst.
1606 * @param mod the debug module
1607 * @param block the block the new node should belong to
1608 * @param node the ir Const node
1609 * @param mode node mode
1610 * @return the created ppc float Load node
1612 static ir_node *gen_ppc32_fConst(ppc32_transform_env_t *env) {
1613 tarval *tv_const = get_ppc32_constant_tarval(env->irn);
1615 switch(get_nice_modecode(env->mode)){
1619 ir_node *addr, *load;
1620 ir_mode *mode = env->mode;
1622 env->irn = gen_fp_known_symconst(env, tv_const);
1624 ent = get_ppc32_frame_entity(env->irn);
1625 if(is_direct_entity(ent))
1627 ident *id_symconst = get_entity_ident(ent);
1628 ir_node *node_addis = new_rd_ppc32_Addis_zero(env->dbg, env->irg, env->block, env->mode, ppc32_ao_Ha16, NULL, id_symconst);
1631 load = new_rd_ppc32_Lfd(env->dbg, env->irg, env->block, node_addis, new_NoMem(), mode_T);
1633 load = new_rd_ppc32_Lfs(env->dbg, env->irg, env->block, node_addis, new_NoMem(), mode_T);
1635 set_ppc32_symconst_ident(load, id_symconst);
1636 set_ppc32_offset_mode(load, ppc32_ao_Lo16);
1640 addr = gen_ppc32_SymConst (env);
1642 load = new_rd_ppc32_Lfd(env->dbg, env->irg, env->block, addr, new_NoMem(), mode_T);
1644 load = new_rd_ppc32_Lfs(env->dbg, env->irg, env->block, addr, new_NoMem(), mode_T);
1646 return new_rd_Proj(env->dbg, env->irg, env->block, load, mode, pn_Load_res);
1650 fprintf(stderr, "Mode for fConst not supported: %s\n", get_mode_name(env->mode));
1654 assert(0 && "Dead end!");
1659 * Returns true, if the entity can be accessed directly,
1660 * or false, if the address must be loaded first
1662 int is_direct_entity(entity *ent) {
1663 return get_entity_visibility(ent)!=visibility_external_allocated;
1664 /* visibility vis = get_entity_visibility(ent);
1665 if(is_Method_type(get_entity_type(ent)))
1667 return (vis!=visibility_external_allocated);
1671 return (vis==visibility_local);
1676 * Transforms a SymConst.
1678 * @param mod the debug module
1679 * @param block the block the new node should belong to
1680 * @param node the ir Const node
1681 * @param mode node mode
1682 * @return the created ppc Load immediate node
1684 static ir_node *gen_ppc32_SymConst(ppc32_transform_env_t *env) {
1685 entity *ent = get_ppc32_frame_entity(env->irn);
1686 ident *id_symconst = get_entity_ident(ent);
1688 switch(get_nice_modecode(env->mode)){
1691 if (is_direct_entity(ent))
1693 ir_node *node_addis = new_rd_ppc32_Addis_zero(env->dbg, env->irg, env->block, env->mode, ppc32_ao_Hi16, NULL, id_symconst);
1694 node = new_rd_ppc32_Ori(env->dbg, env->irg, env->block, node_addis, env->mode);
1695 set_ppc32_symconst_ident(node, id_symconst);
1696 set_ppc32_offset_mode(node, ppc32_ao_Lo16);
1700 ir_node *node_addis = new_rd_ppc32_Addis_zero(env->dbg, env->irg, env->block, env->mode, ppc32_ao_Ha16, NULL, id_symconst);
1701 node = new_rd_ppc32_Lwz(env->dbg, env->irg, env->block, node_addis, new_NoMem(), mode_T);
1702 set_ppc32_symconst_ident(node, id_symconst);
1703 set_ppc32_offset_mode(node, ppc32_ao_Lo16);
1704 node = new_rd_Proj(env->dbg, env->irg, env->block, node, env->mode, pn_Load_res);
1705 // pset_insert_ptr(symbol_pset, ent);
1711 fprintf(stderr, "Mode for SymConst not supported: %s\n", get_mode_name(env->mode));
1719 * Transforms the given firm node (and maybe some other related nodes)
1720 * into one or more assembler nodes.
1722 * @param node the firm node
1723 * @param env the debug module
1725 void ppc32_transform_const(ir_node *node, void *env) {
1726 ppc32_code_gen_t *cgenv = (ppc32_code_gen_t *)env;
1727 opcode code = get_irn_opcode(node);
1728 ir_node *asm_node = NULL;
1729 ppc32_transform_env_t tenv;
1734 tenv.block = get_nodes_block(node);
1735 tenv.dbg = get_irn_dbg_info(node);
1736 tenv.irg = current_ir_graph;
1738 tenv.mod = cgenv->mod;
1739 tenv.mode = get_irn_mode(node);
1741 #define OTHER_GEN(a) \
1742 if (get_irn_op(node) == get_op_##a()) { \
1743 asm_node = gen_##a(&tenv); \
1746 DBG((tenv.mod, LEVEL_1, "check %+F ... ", node));
1748 OTHER_GEN(ppc32_Const)
1749 else OTHER_GEN(ppc32_fConst)
1750 else OTHER_GEN(ppc32_SymConst)
1753 exchange(node, asm_node);
1754 DB((tenv.mod, LEVEL_1, "created node %+F[%p]\n", asm_node, asm_node));
1757 DB((tenv.mod, LEVEL_1, "ignored\n"));