/*
- * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
+ * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
*
* This file is part of libFirm.
*
#include "irprog_t.h"
#include "lowering.h"
#include "array.h"
+#include "error.h"
#include "ia32_new_nodes.h"
#include "bearch_ia32_t.h"
* Replace a call be a tuple of l_res, h_res.
*/
static void resolve_call(ir_node *call, ir_node *l_res, ir_node *h_res, ir_graph *irg, ir_node *block) {
- ir_node *res, *in[2];
+ ir_node *jmp, *res, *in[2];
ir_node *bad = get_irg_bad(irg);
ir_node *nomem = get_irg_no_mem(irg);
+ int old_cse;
in[0] = l_res;
in[1] = h_res;
turn_into_tuple(call, pn_Call_max);
set_Tuple_pred(call, pn_Call_M_regular, nomem);
- /* Matze: the new_r_Jmp here sometimes CSEs and then bad things happen
- * (in movgen.c from 186.crafty for example) I don't know why it is here
- * and if this fix is correct... */
- /*set_Tuple_pred(call, pn_Call_X_regular, new_r_Jmp(irg, block));*/
- set_Tuple_pred(call, pn_Call_X_regular, bad);
+ /*
+ * Beware:
+ * We do not check here if this call really has exception and regular Proj's.
+ * new_r_Jmp might than be CSEd with the real exit jmp and then bad things happen
+ * (in movgen.c from 186.crafty for example).
+ * So be sure the newly created Jmp cannot CSE.
+ */
+ old_cse = get_opt_cse();
+ set_opt_cse(0);
+ jmp = new_r_Jmp(irg, block);
+ set_opt_cse(old_cse);
+
+ set_Tuple_pred(call, pn_Call_X_regular, jmp);
set_Tuple_pred(call, pn_Call_X_except, bad);
set_Tuple_pred(call, pn_Call_T_result, res);
set_Tuple_pred(call, pn_Call_M_except, nomem);
in[0] = l1;
in[1] = l2;
l_res = new_r_Phi(irg, block, 2, in, l_mode);
- set_irn_link(block, l_res);
+ set_Block_phis(block, l_res);
in[0] = h1;
in[1] = h2;
h_res = new_r_Phi(irg, block, 2, in, h_mode);
- set_irn_link(l_res, h_res);
- set_irn_link(h_res, NULL);
+ set_Phi_next(l_res, h_res);
+ set_Phi_next(h_res, NULL);
/* move it down */
set_nodes_block(call, block);
/* the block for cnt >= 32 */
n_block = new_rd_Block(dbg, irg, 1, &in[1]);
l2 = new_rd_Conv(dbg, irg, n_block, h1, l_mode);
- h2 = new_r_Const(irg, n_block, l_mode, get_mode_null(h_mode));
+ h2 = new_r_Const(irg, n_block, h_mode, get_mode_null(h_mode));
in[1] = new_r_Jmp(irg, n_block);
set_irn_in(block, 2, in);
in[0] = l1;
in[1] = l2;
l_res = new_r_Phi(irg, block, 2, in, l_mode);
- set_irn_link(block, l_res);
+ set_Block_phis(block, l_res);
in[0] = h1;
in[1] = h2;
h_res = new_r_Phi(irg, block, 2, in, h_mode);
- set_irn_link(l_res, h_res);
- set_irn_link(h_res, NULL);
+ set_Phi_next(l_res, h_res);
+ set_Phi_next(h_res, NULL);
/* move it down */
set_nodes_block(call, block);
in[0] = l1;
in[1] = l2;
l_res = new_r_Phi(irg, block, 2, in, l_mode);
- set_irn_link(block, l_res);
+ set_Block_phis(block, l_res);
in[0] = h1;
in[1] = h2;
h_res = new_r_Phi(irg, block, 2, in, h_mode);
- set_irn_link(l_res, h_res);
- set_irn_link(h_res, NULL);
+ set_Phi_next(l_res, h_res);
+ set_Phi_next(h_res, NULL);
/* move it down */
set_nodes_block(call, block);
static int map_Mod(ir_node *call, void *ctx) {
ia32_intrinsic_env_t *env = ctx;
ir_type *method = get_Call_type(call);
- ir_mode *h_mode = get_type_mode(get_method_res_type(method, 0));
+ ir_mode *h_mode = get_type_mode(get_method_res_type(method, 1));
ir_node *ptr;
ir_entity *ent;
symconst_symbol sym;
* Maps a Conv.
*/
static int map_Conv(ir_node *call, void *ctx) {
- ia32_intrinsic_env_t *env = ctx;
- ir_graph *irg = current_ir_graph;
- dbg_info *dbg = get_irn_dbg_info(call);
- ir_node *block = get_nodes_block(call);
- ir_node **params = get_Call_param_arr(call);
- ir_type *method = get_Call_type(call);
- int n = get_Call_n_params(call);
- int gp_bytes = get_mode_size_bytes(ia32_reg_classes[CLASS_ia32_gp].mode);
- ir_entity *ent;
- ir_node *l_res, *h_res, *frame, *fres;
- ir_node *store_l, *store_h;
- ir_node *op_mem[2], *mem;
+ ir_graph *irg = current_ir_graph;
+ dbg_info *dbg = get_irn_dbg_info(call);
+ ir_node *block = get_nodes_block(call);
+ ir_node **params = get_Call_param_arr(call);
+ ir_type *method = get_Call_type(call);
+ int n = get_Call_n_params(call);
+ ir_node *l_res, *h_res;
+ (void) ctx;
if (n == 1) {
+ ir_node *float_to_ll;
+
/* We have a Conv float -> long long here */
ir_node *a_f = params[0];
ir_mode *l_res_mode = get_type_mode(get_method_res_type(method, 0));
assert(mode_is_float(get_irn_mode(a_f)) && "unexpected Conv call");
- /* allocate memory on frame to store args */
- ent = env->irg == irg ? env->d_ll_conv : NULL;
- if (! ent) {
- ent = env->d_ll_conv = frame_alloc_area(get_irg_frame_type(irg), 2 * gp_bytes, 16, 0);
- env->irg = irg;
- }
+ float_to_ll = new_rd_ia32_l_FloattoLL(dbg, irg, block, a_f);
- /* Store arg */
- frame = get_irg_frame(irg);
-
- /*
- Now we create a node to move the value from a XMM register into
- x87 FPU because it is unknown here, which FPU is used.
- This node is killed in transformation phase when not needed.
- Otherwise it is split up into a movsd + fld
- */
- a_f = new_rd_ia32_l_SSEtoX87(dbg, irg, block, frame, a_f, get_irg_no_mem(irg), mode_D);
- set_ia32_frame_ent(a_f, ent);
- set_ia32_use_frame(a_f);
- set_ia32_ls_mode(a_f, mode_D);
-
- if (mode_is_signed(h_res_mode)) {
- /* a float to signed conv, the simple case */
-
- /* store from FPU as Int */
- a_f = new_rd_ia32_l_vfist(dbg, irg, block, frame, a_f, get_irg_no_mem(irg));
- set_ia32_frame_ent(a_f, ent);
- set_ia32_use_frame(a_f);
- set_ia32_ls_mode(a_f, mode_Ls);
- mem = a_f;
-
- /* load low part of the result */
- l_res = new_rd_ia32_l_Load(dbg, irg, block, frame, mem);
- set_ia32_frame_ent(l_res, ent);
- set_ia32_use_frame(l_res);
- set_ia32_ls_mode(l_res, l_res_mode);
- l_res = new_r_Proj(irg, block, l_res, l_res_mode, pn_ia32_l_Load_res);
-
- /* load hight part of the result */
- h_res = new_rd_ia32_l_Load(dbg, irg, block, frame, mem);
- set_ia32_frame_ent(h_res, ent);
- add_ia32_am_offs_int(h_res, gp_bytes);
- set_ia32_use_frame(h_res);
- set_ia32_ls_mode(h_res, h_res_mode);
- h_res = new_r_Proj(irg, block, h_res, h_res_mode, pn_ia32_l_Load_res);
- } else {
- /* a float to unsigned conv, more complicated */
- panic("Float->unsigned64 NYI\n");
- }
+ l_res = new_r_Proj(irg, block, float_to_ll, l_res_mode,
+ pn_ia32_l_FloattoLL_res_low);
+ h_res = new_r_Proj(irg, block, float_to_ll, h_res_mode,
+ pn_ia32_l_FloattoLL_res_high);
/* lower the call */
resolve_call(call, l_res, h_res, irg, block);
- }
- else if (n == 2) {
+ } else if (n == 2) {
+ ir_node *ll_to_float;
+
/* We have a Conv long long -> float here */
ir_node *a_l = params[BINOP_Left_Low];
ir_node *a_h = params[BINOP_Left_High];
assert(! mode_is_float(get_irn_mode(a_l))
&& ! mode_is_float(get_irn_mode(a_h)));
- /* allocate memory on frame to store args */
- ent = env->irg == irg ? env->ll_d_conv : NULL;
- if (! ent) {
- ent = env->ll_d_conv = frame_alloc_area(get_irg_frame_type(irg), 2 * gp_bytes, 16, 0);
- env->irg = irg;
- }
-
- /* Store arg */
- frame = get_irg_frame(irg);
-
- /* store first arg (low part) */
- store_l = new_rd_ia32_l_Store(dbg, irg, block, frame, a_l, get_irg_no_mem(irg));
- set_ia32_frame_ent(store_l, ent);
- set_ia32_use_frame(store_l);
- set_ia32_ls_mode(store_l, get_irn_mode(a_l));
- op_mem[0] = store_l;
-
- /* store second arg (high part) */
- store_h = new_rd_ia32_l_Store(dbg, irg, block, frame, a_h, get_irg_no_mem(irg));
- set_ia32_frame_ent(store_h, ent);
- add_ia32_am_offs_int(store_h, gp_bytes);
- set_ia32_use_frame(store_h);
- set_ia32_ls_mode(store_h, get_irn_mode(a_h));
- op_mem[1] = store_h;
-
- mem = new_r_Sync(irg, block, 2, op_mem);
-
- /* Load arg into x87 FPU (implicit convert) */
- fres = new_rd_ia32_l_vfild(dbg, irg, block, frame, mem);
- set_ia32_frame_ent(fres, ent);
- set_ia32_use_frame(fres);
- set_ia32_ls_mode(fres, mode_D);
- mem = new_r_Proj(irg, block, fres, mode_M, pn_ia32_l_vfild_M);
- fres = new_r_Proj(irg, block, fres, fres_mode, pn_ia32_l_vfild_res);
-
- /*
- Now we create a node to move the loaded value into a XMM
- register because it is unknown here, which FPU is used.
- This node is killed in transformation phase when not needed.
- Otherwise it is split up into a fst + movsd
- */
- fres = new_rd_ia32_l_X87toSSE(dbg, irg, block, frame, fres, mem, fres_mode);
- set_ia32_frame_ent(fres, ent);
- set_ia32_use_frame(fres);
- set_ia32_ls_mode(fres, fres_mode);
+ ll_to_float = new_rd_ia32_l_LLtoFloat(dbg, irg, block, a_h, a_l,
+ fres_mode);
/* lower the call */
- resolve_call(call, fres, NULL, irg, block);
- }
- else {
- assert(0 && "unexpected Conv call");
+ resolve_call(call, ll_to_float, NULL, irg, block);
+ } else {
+ panic("unexpected Conv call %+F", call);
}
return 1;
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