#include "irprintf.h"
#include "debug.h"
#include "irdom.h"
-#include "archop.h"
#include "error.h"
#include "array_t.h"
#include "height.h"
#define DFP_INTMAX "9223372036854775807"
#define ULL_BIAS "18446744073709551616"
-#define TP_SFP_SIGN "ia32_sfp_sign"
-#define TP_DFP_SIGN "ia32_dfp_sign"
-#define TP_SFP_ABS "ia32_sfp_abs"
-#define TP_DFP_ABS "ia32_dfp_abs"
-#define TP_ULL_BIAS "ia32_ull_bias"
-
#define ENT_SFP_SIGN ".LC_ia32_sfp_sign"
#define ENT_DFP_SIGN ".LC_ia32_dfp_sign"
#define ENT_SFP_ABS ".LC_ia32_sfp_abs"
res = load;
set_ia32_ls_mode(load, mode);
} else {
+ ir_mode *ls_mode;
+
floatent = create_float_const_entity(node);
+ /* create_float_const_ent is smart and sometimes creates
+ smaller entities */
+ ls_mode = get_type_mode(get_entity_type(floatent));
- load = new_bd_ia32_vfld(dbgi, block, noreg, noreg, nomem, mode);
+ load = new_bd_ia32_vfld(dbgi, block, noreg, noreg, nomem,
+ ls_mode);
set_ia32_op_type(load, ia32_AddrModeS);
set_ia32_am_sc(load, floatent);
arch_irn_add_flags(load, arch_irn_flags_rematerializable);
res = new_r_Proj(current_ir_graph, block, load, mode_vfp, pn_ia32_vfld_res);
- /* take the mode from the entity */
- set_ia32_ls_mode(load, get_type_mode(get_entity_type(floatent)));
}
}
end:
return cnst;
}
+/**
+ * Create a float type for the given mode and cache it.
+ *
+ * @param mode the mode for the float type (might be integer mode for SSE2 types)
+ * @param align alignment
+ */
+static ir_type *ia32_create_float_type(ir_mode *mode, unsigned align) {
+ char buf[32];
+ ir_type *tp;
+
+ assert(align <= 16);
+
+ if (mode == mode_Iu) {
+ static ir_type *int_Iu[16] = {NULL, };
+
+ if (int_Iu[align] == NULL) {
+ snprintf(buf, sizeof(buf), "int_Iu_%u", align);
+ int_Iu[align] = tp = new_type_primitive(new_id_from_str(buf), mode);
+ /* set the specified alignment */
+ set_type_alignment_bytes(tp, align);
+ }
+ return int_Iu[align];
+ } else if (mode == mode_Lu) {
+ static ir_type *int_Lu[16] = {NULL, };
+
+ if (int_Lu[align] == NULL) {
+ snprintf(buf, sizeof(buf), "int_Lu_%u", align);
+ int_Lu[align] = tp = new_type_primitive(new_id_from_str(buf), mode);
+ /* set the specified alignment */
+ set_type_alignment_bytes(tp, align);
+ }
+ return int_Lu[align];
+ } else if (mode == mode_F) {
+ static ir_type *float_F[16] = {NULL, };
+
+ if (float_F[align] == NULL) {
+ snprintf(buf, sizeof(buf), "float_F_%u", align);
+ float_F[align] = tp = new_type_primitive(new_id_from_str(buf), mode);
+ /* set the specified alignment */
+ set_type_alignment_bytes(tp, align);
+ }
+ return float_F[align];
+ } else if (mode == mode_D) {
+ static ir_type *float_D[16] = {NULL, };
+
+ if (float_D[align] == NULL) {
+ snprintf(buf, sizeof(buf), "float_D_%u", align);
+ float_D[align] = tp = new_type_primitive(new_id_from_str(buf), mode);
+ /* set the specified alignment */
+ set_type_alignment_bytes(tp, align);
+ }
+ return float_D[align];
+ } else {
+ static ir_type *float_E[16] = {NULL, };
+
+ if (float_E[align] == NULL) {
+ snprintf(buf, sizeof(buf), "float_E_%u", align);
+ float_E[align] = tp = new_type_primitive(new_id_from_str(buf), mode);
+ /* set the specified alignment */
+ set_type_alignment_bytes(tp, align);
+ }
+ return float_E[align];
+ }
+}
+
+/**
+ * Create a float[2] array type for the given atomic type.
+ *
+ * @param tp the atomic type
+ */
+static ir_type *ia32_create_float_array(ir_type *tp) {
+ char buf[32];
+ ir_mode *mode = get_type_mode(tp);
+ unsigned align = get_type_alignment_bytes(tp);
+ ir_type *arr;
+
+ assert(align <= 16);
+
+ if (mode == mode_F) {
+ static ir_type *float_F[16] = {NULL, };
+
+ if (float_F[align] != NULL)
+ return float_F[align];
+ snprintf(buf, sizeof(buf), "arr_float_F_%u", align);
+ arr = float_F[align] = new_type_array(new_id_from_str(buf), 1, tp);
+ } else if (mode == mode_D) {
+ static ir_type *float_D[16] = {NULL, };
+
+ if (float_D[align] != NULL)
+ return float_D[align];
+ snprintf(buf, sizeof(buf), "arr_float_D_%u", align);
+ arr = float_D[align] = new_type_array(new_id_from_str(buf), 1, tp);
+ } else {
+ static ir_type *float_E[16] = {NULL, };
+
+ if (float_E[align] != NULL)
+ return float_E[align];
+ snprintf(buf, sizeof(buf), "arr_float_E_%u", align);
+ arr = float_E[align] = new_type_array(new_id_from_str(buf), 1, tp);
+ }
+ set_type_alignment_bytes(arr, align);
+ set_type_size_bytes(arr, 2 * get_type_size_bytes(tp));
+ set_type_state(arr, layout_fixed);
+ return arr;
+}
+
/* Generates an entity for a known FP const (used for FP Neg + Abs) */
ir_entity *ia32_gen_fp_known_const(ia32_known_const_t kct)
{
static const struct {
- const char *tp_name;
const char *ent_name;
const char *cnst_str;
char mode;
- char align;
+ unsigned char align;
} names [ia32_known_const_max] = {
- { TP_SFP_SIGN, ENT_SFP_SIGN, SFP_SIGN, 0, 16 }, /* ia32_SSIGN */
- { TP_DFP_SIGN, ENT_DFP_SIGN, DFP_SIGN, 1, 16 }, /* ia32_DSIGN */
- { TP_SFP_ABS, ENT_SFP_ABS, SFP_ABS, 0, 16 }, /* ia32_SABS */
- { TP_DFP_ABS, ENT_DFP_ABS, DFP_ABS, 1, 16 }, /* ia32_DABS */
- { TP_ULL_BIAS, ENT_ULL_BIAS, ULL_BIAS, 2, 4 } /* ia32_ULLBIAS */
+ { ENT_SFP_SIGN, SFP_SIGN, 0, 16 }, /* ia32_SSIGN */
+ { ENT_DFP_SIGN, DFP_SIGN, 1, 16 }, /* ia32_DSIGN */
+ { ENT_SFP_ABS, SFP_ABS, 0, 16 }, /* ia32_SABS */
+ { ENT_DFP_ABS, DFP_ABS, 1, 16 }, /* ia32_DABS */
+ { ENT_ULL_BIAS, ULL_BIAS, 2, 4 } /* ia32_ULLBIAS */
};
static ir_entity *ent_cache[ia32_known_const_max];
- const char *tp_name, *ent_name, *cnst_str;
+ const char *ent_name, *cnst_str;
ir_type *tp;
ir_entity *ent;
tarval *tv;
ent_name = names[kct].ent_name;
if (! ent_cache[kct]) {
- tp_name = names[kct].tp_name;
cnst_str = names[kct].cnst_str;
switch (names[kct].mode) {
case 0: mode = mode_Iu; break;
case 1: mode = mode_Lu; break;
- default: mode = mode_F; break;
+ default: mode = mode_F; break;
}
tv = new_tarval_from_str(cnst_str, strlen(cnst_str), mode);
- tp = new_type_primitive(new_id_from_str(tp_name), mode);
- /* set the specified alignment */
- set_type_alignment_bytes(tp, names[kct].align);
+ tp = ia32_create_float_type(mode, names[kct].align);
- if (kct == ia32_ULLBIAS) {
- /* we are in the backend, construct a fixed type here */
- unsigned size = get_type_size_bytes(tp);
- tp = new_type_array(new_id_from_str(tp_name), 1, tp);
- set_type_alignment_bytes(tp, names[kct].align);
- set_type_size_bytes(tp, 2 * size);
- set_type_state(tp, layout_fixed);
- }
+ if (kct == ia32_ULLBIAS)
+ tp = ia32_create_float_array(tp);
ent = new_entity(get_glob_type(), new_id_from_str(ent_name), tp);
set_entity_ld_ident(ent, get_entity_ident(ent));
ir_node *block = be_transform_node(get_nodes_block(node));
ir_node *sel = get_Cond_selector(node);
ir_node *new_sel = be_transform_node(sel);
- int switch_min = INT_MAX;
- int switch_max = INT_MIN;
+ long switch_min = LONG_MAX;
+ long switch_max = LONG_MIN;
long default_pn = get_Cond_defaultProj(node);
ir_node *new_node;
const ir_edge_t *edge;
switch_max = pn;
}
- if ((unsigned) (switch_max - switch_min) > 256000) {
+ if ((unsigned long) (switch_max - switch_min) > 256000) {
panic("Size of switch %+F bigger than 256000", node);
}
{
ir_graph *irg = current_ir_graph;
ir_mode *mode = get_irn_mode(psi);
- ir_node *new_node, *sub, *sbb, *eflags, *block, *noreg, *tmpreg, *nomem;
+ ir_node *nomem = new_NoMem();
+ ir_node *new_node, *sub, *sbb, *eflags, *block, *noreg;
+
dbg_info *dbgi;
new_node = gen_binop(psi, a, b, new_bd_ia32_Sub,
eflags = new_rd_Proj(NULL, irg, block, sub, mode_Iu, pn_ia32_Sub_flags);
dbgi = get_irn_dbg_info(psi);
- noreg = ia32_new_NoReg_gp(env_cg);
- tmpreg = new_bd_ia32_ProduceVal(dbgi, block);
- nomem = new_NoMem();
- sbb = new_bd_ia32_Sbb(dbgi, block, noreg, noreg, nomem, tmpreg, tmpreg, eflags);
+ sbb = new_bd_ia32_Sbb0(dbgi, block, eflags);
+ noreg = ia32_new_NoReg_gp(env_cg);
new_node = new_bd_ia32_And(dbgi, block, noreg, noreg, nomem, new_node, sbb);
set_ia32_commutative(new_node);
return new_node;
}
+/**
+ * Create an const array of two float consts.
+ *
+ * @param c0 the first constant
+ * @param c1 the second constant
+ * @param new_mode IN/OUT for the mode of the constants, if NULL
+ * smallest possible mode will be used
+ */
+static ir_entity *ia32_create_const_array(ir_node *c0, ir_node *c1, ir_mode **new_mode) {
+ ir_entity *ent;
+ ir_mode *mode = *new_mode;
+ ir_type *tp;
+ ir_initializer_t *initializer;
+ tarval *tv0 = get_Const_tarval(c0);
+ tarval *tv1 = get_Const_tarval(c1);
+
+ if (mode == NULL) {
+ /* detect the best mode for the constants */
+ mode = get_tarval_mode(tv0);
+
+ if (mode != mode_F) {
+ if (tarval_ieee754_can_conv_lossless(tv0, mode_F) &&
+ tarval_ieee754_can_conv_lossless(tv1, mode_F)) {
+ mode = mode_F;
+ tv0 = tarval_convert_to(tv0, mode);
+ tv1 = tarval_convert_to(tv1, mode);
+ } else if (mode != mode_D) {
+ if (tarval_ieee754_can_conv_lossless(tv0, mode_D) &&
+ tarval_ieee754_can_conv_lossless(tv1, mode_D)) {
+ mode = mode_D;
+ tv0 = tarval_convert_to(tv0, mode);
+ tv1 = tarval_convert_to(tv1, mode);
+ }
+ }
+ }
+
+ }
+
+ tp = ia32_create_float_type(mode, 4);
+ tp = ia32_create_float_array(tp);
+
+ ent = new_entity(get_glob_type(), ia32_unique_id(".LC%u"), tp);
+
+ set_entity_ld_ident(ent, get_entity_ident(ent));
+ set_entity_visibility(ent, visibility_local);
+ set_entity_variability(ent, variability_constant);
+ set_entity_allocation(ent, allocation_static);
+
+ initializer = create_initializer_compound(2);
+
+ set_initializer_compound_value(initializer, 0, create_initializer_tarval(tv0));
+ set_initializer_compound_value(initializer, 1, create_initializer_tarval(tv1));
+
+ set_entity_initializer(ent, initializer);
+
+ *new_mode = mode;
+ return ent;
+}
+
/**
* Transforms a Mux node into CMov.
*
ir_node *mux_false = get_Mux_false(node);
ir_node *cond = get_Mux_sel(node);
ir_mode *mode = get_irn_mode(node);
+ ir_node *flags;
+ ir_node *new_node;
pn_Cmp pnc;
assert(get_irn_mode(cond) == mode_b);
}
}
}
+ if (is_Const(mux_true) && is_Const(mux_false)) {
+ ia32_address_mode_t am;
+ ir_node *noreg = ia32_new_NoReg_gp(env_cg);
+ ir_node *nomem = new_NoMem();
+ ir_node *load;
+ ir_mode *new_mode;
+ unsigned scale;
+
+ flags = get_flags_node(cond, &pnc);
+ new_node = create_set_32bit(dbgi, new_block, flags, pnc, node, /*is_premuted=*/0);
+
+ if (ia32_cg_config.use_sse2) {
+ /* cannot load from different mode on SSE */
+ new_mode = mode;
+ } else {
+ /* x87 can load any mode */
+ new_mode = NULL;
+ }
+
+ am.addr.symconst_ent = ia32_create_const_array(mux_false, mux_true, &new_mode);
+
+ switch (get_mode_size_bytes(new_mode)) {
+ case 4:
+ scale = 2;
+ break;
+ case 8:
+ scale = 3;
+ break;
+ case 10:
+ /* use 2 * 5 */
+ scale = 1;
+ new_node = new_bd_ia32_Lea(dbgi, new_block, new_node, new_node);
+ set_ia32_am_scale(new_node, 2);
+ break;
+ case 12:
+ /* use 4 * 3 */
+ scale = 2;
+ new_node = new_bd_ia32_Lea(dbgi, new_block, new_node, new_node);
+ set_ia32_am_scale(new_node, 1);
+ break;
+ case 16:
+ /* arg, shift 16 NOT supported */
+ scale = 3;
+ new_node = new_bd_ia32_Add(dbgi, new_block, noreg, noreg, nomem, new_node, new_node);
+ break;
+ default:
+ panic("Unsupported constant size");
+ }
+
+ am.ls_mode = new_mode;
+ am.addr.base = noreg;
+ am.addr.index = new_node;
+ am.addr.mem = nomem;
+ am.addr.offset = 0;
+ am.addr.scale = scale;
+ am.addr.use_frame = 0;
+ am.addr.frame_entity = NULL;
+ am.addr.symconst_sign = 0;
+ am.mem_proj = am.addr.mem;
+ am.op_type = ia32_AddrModeS;
+ am.new_op1 = NULL;
+ am.new_op2 = NULL;
+ am.pinned = op_pin_state_floats;
+ am.commutative = 1;
+ am.ins_permuted = 0;
+
+ if (ia32_cg_config.use_sse2)
+ load = new_bd_ia32_xLoad(dbgi, block, am.addr.base, am.addr.index, am.addr.mem, new_mode);
+ else
+ load = new_bd_ia32_vfld(dbgi, block, am.addr.base, am.addr.index, am.addr.mem, new_mode);
+ set_am_attributes(load, &am);
+
+ return new_rd_Proj(NULL, current_ir_graph, block, load, mode_vfp, pn_ia32_res);
+ }
panic("cannot transform floating point Mux");
} else {
- ir_node *flags;
- ir_node *new_node;
-
assert(ia32_mode_needs_gp_reg(mode));
if (is_Proj(cond)) {