/**
- * This file implements the node emitter.
- * @author Christian Wuerdig, Matthias Braun
- * $Id$
+ * @file
+ * @brief This file implements the node emitter.
+ * @author Christian Wuerdig, Matthias Braun
+ * @version $Id$
*/
#ifdef HAVE_CONFIG_H
-#include <config.h>
+#include "config.h"
#endif
#include <limits.h>
#include "iredges_t.h"
#include "execfreq.h"
#include "error.h"
+#include "raw_bitset.h"
#include "../besched_t.h"
#include "../benode_t.h"
#include "../beabi.h"
#include "../be_dbgout.h"
+#include "../beemitter.h"
+#include "../begnuas.h"
+#include "../beirg_t.h"
#include "ia32_emitter.h"
#include "gen_ia32_emitter.h"
#include "ia32_map_regs.h"
#include "bearch_ia32_t.h"
+DEBUG_ONLY(static firm_dbg_module_t *dbg = NULL;)
+
#define BLOCK_PREFIX ".L"
#define SNPRINTF_BUF_LEN 128
-/* global arch_env for lc_printf functions */
-static const arch_env_t *arch_env = NULL;
-
-/** by default, we generate assembler code for the Linux gas */
-asm_flavour_t asm_flavour = ASM_LINUX_GAS;
-
-/**
- * Switch to a new section
- */
-void ia32_switch_section(FILE *F, section_t sec) {
- static section_t curr_sec = NO_SECTION;
- static const char *text[ASM_MAX][SECTION_MAX] = {
- {
- ".section\t.text",
- ".section\t.data",
- ".section\t.rodata",
- ".section\t.bss",
- ".section\t.tbss,\"awT\",@nobits",
- ".section\t.ctors,\"aw\",@progbits"
- },
- {
- ".section\t.text",
- ".section\t.data",
- ".section .rdata,\"dr\"",
- ".section\t.bss",
- ".section\t.tbss,\"awT\",@nobits",
- ".section\t.ctors,\"aw\",@progbits"
- }
- };
-
- if (curr_sec == sec)
- return;
-
- curr_sec = sec;
- switch (sec) {
-
- case NO_SECTION:
- break;
-
- case SECTION_TEXT:
- case SECTION_DATA:
- case SECTION_RODATA:
- case SECTION_COMMON:
- case SECTION_TLS:
- case SECTION_CTOR:
- fprintf(F, "\t%s\n", text[asm_flavour][sec]);
- break;
-
- default:
- break;
- }
-}
-
-static void ia32_dump_function_object(FILE *F, const char *name)
-{
- switch (asm_flavour) {
- case ASM_LINUX_GAS:
- fprintf(F, "\t.type\t%s, @function\n", name);
- break;
- case ASM_MINGW_GAS:
- fprintf(F, "\t.def\t%s;\t.scl\t2;\t.type\t32;\t.endef\n", name);
- break;
- default:
- break;
- }
-}
-
-static void ia32_dump_function_size(FILE *F, const char *name)
-{
- switch (asm_flavour) {
- case ASM_LINUX_GAS:
- fprintf(F, "\t.size\t%s, .-%s\n", name, name);
- break;
- default:
- break;
- }
-}
-
/**
* Returns the register at in position pos.
*/
-static const arch_register_t *get_in_reg(const ir_node *irn, int pos) {
+static
+const arch_register_t *get_in_reg(ia32_emit_env_t *env, const ir_node *irn,
+ int pos)
+{
+ const arch_env_t *arch_env = env->arch_env;
ir_node *op;
const arch_register_t *reg = NULL;
/* in case of a joker register: just return a valid register */
if (arch_register_type_is(reg, joker)) {
- arch_register_req_t req;
- const arch_register_req_t *p_req;
+ const arch_register_req_t *req;
/* ask for the requirements */
- p_req = arch_get_register_req(arch_env, &req, irn, pos);
+ req = arch_get_register_req(arch_env, irn, pos);
- if (arch_register_req_is(p_req, limited)) {
+ if (arch_register_req_is(req, limited)) {
/* in case of limited requirements: get the first allowed register */
-
- bitset_t *bs = bitset_alloca(arch_register_class_n_regs(p_req->cls));
- int idx;
-
- p_req->limited(p_req->limited_env, bs);
- idx = bitset_next_set(bs, 0);
- reg = arch_register_for_index(p_req->cls, idx);
+ unsigned idx = rbitset_next(req->limited, 0, 1);
+ reg = arch_register_for_index(req->cls, idx);
} else {
/* otherwise get first register in class */
- reg = arch_register_for_index(p_req->cls, 0);
+ reg = arch_register_for_index(req->cls, 0);
}
}
/**
* Returns the register at out position pos.
*/
-static const arch_register_t *get_out_reg(const ir_node *irn, int pos) {
- ir_node *proj;
- const arch_register_t *reg = NULL;
+static
+const arch_register_t *get_out_reg(ia32_emit_env_t *env, const ir_node *irn,
+ int pos)
+{
+ const arch_env_t *arch_env = env->arch_env;
+ ir_node *proj;
+ const arch_register_t *reg = NULL;
/* 1st case: irn is not of mode_T, so it has only */
/* one OUT register -> good */
/**
* Returns an ident for the given tarval tv.
*/
-static ident *get_ident_for_tv(tarval *tv) {
+static
+ident *get_ident_for_tv(tarval *tv) {
char buf[256];
- int len = tarval_snprintf(buf, sizeof(buf), tv);
- assert(len);
+ tarval_snprintf(buf, sizeof(buf), tv);
return new_id_from_str(buf);
}
/**
* Determine the gnu assembler suffix that indicates a mode
*/
-static char get_mode_suffix(const ir_mode *mode) {
+static
+char get_mode_suffix(const ir_mode *mode) {
if(mode_is_float(mode)) {
switch(get_mode_size_bits(mode)) {
case 32:
panic("Can't output mode_suffix for %+F\n", mode);
}
-static int produces_result(const ir_node *node) {
+static
+int produces_result(const ir_node *node) {
return !(is_ia32_St(node) ||
is_ia32_Store8Bit(node) ||
is_ia32_CondJmp(node) ||
is_ia32_SwitchJmp(node));
}
-static const char *ia32_get_reg_name_for_mode(ia32_emit_env_t *env, ir_mode *mode, const arch_register_t *reg) {
+static
+const char *ia32_get_reg_name_for_mode(ia32_emit_env_t *env, ir_mode *mode,
+ const arch_register_t *reg) {
switch(get_mode_size_bits(mode)) {
case 8:
return ia32_get_mapped_reg_name(env->isa->regs_8bit, reg);
}
}
-#if 0
-/**
- * Determines the SSE suffix depending on the mode.
- */
-static int ia32_print_mode_suffix(lc_appendable_t *app,
- const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
-{
- ir_node *irn = arg->v_ptr;
- ir_mode *mode = get_ia32_ls_mode(irn);
-
- if (mode_is_float(mode)) {
- return lc_appendable_chadd(app, get_mode_size_bits(mode) == 32 ? 's' : 'd');
- } else {
- if(get_mode_size_bits(mode) == 32)
- return 0;
-
- if(mode_is_signed(mode))
- lc_appendable_chadd(app, 's');
- else
- lc_appendable_chadd(app, 'z');
-
- lc_appendable_chadd(app, get_mode_suffix(mode));
- return 2;
- }
-}
-#endif
-
/**
* Add a number to a prefix. This number will not be used a second time.
*/
-static char *get_unique_label(char *buf, size_t buflen, const char *prefix) {
+static
+char *get_unique_label(char *buf, size_t buflen, const char *prefix) {
static unsigned long id = 0;
snprintf(buf, buflen, "%s%lu", prefix, ++id);
return buf;
* |_| |_|
*************************************************************/
-void ia32_emit_ident(ia32_emit_env_t *env, ident *id)
-{
- size_t len = get_id_strlen(id);
- const char* str = get_id_str(id);
-
- ia32_emit_string_len(env, str, len);
-}
-
-void ia32_emit_irprintf(ia32_emit_env_t *env, const char *fmt, ...)
-{
- char buf[128];
- va_list ap;
-
- va_start(ap, fmt);
- ir_vsnprintf(buf, sizeof(buf), fmt, ap);
- va_end(ap);
-
- ia32_emit_string(env, buf);
-}
+// we have no C++ and can't define an implicit ia32_emit_env_t* cast to
+// be_emit_env_t* so we cheat a bit...
+#define be_emit_char(env,c) be_emit_char(env->emit,c)
+#define be_emit_string(env,s) be_emit_string(env->emit,s)
+#undef be_emit_cstring
+#define be_emit_cstring(env,x) { be_emit_string_len(env->emit, x, sizeof(x)-1); }
+#define be_emit_ident(env,i) be_emit_ident(env->emit,i)
+#define be_emit_write_line(env) be_emit_write_line(env->emit)
+#define be_emit_finish_line_gas(env,n) be_emit_finish_line_gas(env->emit,n)
+#define be_emit_pad_comment(env) be_emit_pad_comment(env->emit)
void ia32_emit_source_register(ia32_emit_env_t *env, const ir_node *node, int pos)
{
- const arch_register_t *reg = get_in_reg(node, pos);
+ const arch_register_t *reg = get_in_reg(env, node, pos);
const char *reg_name = arch_register_get_name(reg);
assert(pos < get_irn_arity(node));
- ia32_emit_char(env, '%');
- ia32_emit_string(env, reg_name);
+ be_emit_char(env, '%');
+ be_emit_string(env, reg_name);
}
void ia32_emit_dest_register(ia32_emit_env_t *env, const ir_node *node, int pos) {
- const arch_register_t *reg = get_out_reg(node, pos);
+ const arch_register_t *reg = get_out_reg(env, node, pos);
const char *reg_name = arch_register_get_name(reg);
- ia32_emit_char(env, '%');
- ia32_emit_string(env, reg_name);
+ be_emit_char(env, '%');
+ be_emit_string(env, reg_name);
}
void ia32_emit_x87_name(ia32_emit_env_t *env, const ir_node *node, int pos)
ia32_attr_t *attr = get_ia32_attr(node);
assert(pos < 3);
- ia32_emit_char(env, '%');
- ia32_emit_string(env, attr->x87[pos]->name);
+ be_emit_char(env, '%');
+ be_emit_string(env, attr->x87[pos]->name);
}
void ia32_emit_immediate(ia32_emit_env_t *env, const ir_node *node)
{
tarval *tv;
+ ir_entity *ent;
ident *id;
+ be_emit_char(env, '$');
+
switch(get_ia32_immop_type(node)) {
case ia32_ImmConst:
tv = get_ia32_Immop_tarval(node);
id = get_ident_for_tv(tv);
break;
case ia32_ImmSymConst:
- id = get_ia32_Immop_symconst(node);
+ ent = get_ia32_Immop_symconst(node);
+ mark_entity_visited(ent);
+ id = get_entity_ld_ident(ent);
break;
default:
assert(0);
- ia32_emit_string(env, "BAD");
+ be_emit_string(env, "BAD");
return;
}
- ia32_emit_ident(env, id);
+ be_emit_ident(env, id);
}
void ia32_emit_mode_suffix(ia32_emit_env_t *env, const ir_mode *mode)
{
- ia32_emit_char(env, get_mode_suffix(mode));
+ be_emit_char(env, get_mode_suffix(mode));
}
void ia32_emit_x87_mode_suffix(ia32_emit_env_t *env, const ir_node *node)
ia32_emit_mode_suffix(env, mode);
}
+static
+char get_xmm_mode_suffix(ir_mode *mode)
+{
+ assert(mode_is_float(mode));
+ switch(get_mode_size_bits(mode)) {
+ case 32:
+ return 's';
+ case 64:
+ return 'd';
+ default:
+ assert(0);
+ }
+ return '%';
+}
+
+void ia32_emit_xmm_mode_suffix(ia32_emit_env_t *env, const ir_node *node)
+{
+ ir_mode *mode = get_ia32_ls_mode(node);
+ assert(mode != NULL);
+ be_emit_char(env, 's');
+ be_emit_char(env, get_xmm_mode_suffix(mode));
+}
+
+void ia32_emit_xmm_mode_suffix_s(ia32_emit_env_t *env, const ir_node *node)
+{
+ ir_mode *mode = get_ia32_ls_mode(node);
+ assert(mode != NULL);
+ be_emit_char(env, get_xmm_mode_suffix(mode));
+}
+
void ia32_emit_extend_suffix(ia32_emit_env_t *env, const ir_mode *mode)
{
if(get_mode_size_bits(mode) == 32)
return;
if(mode_is_signed(mode)) {
- ia32_emit_char(env, 's');
+ be_emit_char(env, 's');
} else {
- ia32_emit_char(env, 'z');
+ be_emit_char(env, 'z');
+ }
+}
+
+static
+void ia32_emit_function_object(ia32_emit_env_t *env, const char *name)
+{
+ switch (be_gas_flavour) {
+ case GAS_FLAVOUR_NORMAL:
+ be_emit_cstring(env, "\t.type\t");
+ be_emit_string(env, name);
+ be_emit_cstring(env, ", @function\n");
+ be_emit_write_line(env);
+ break;
+ case GAS_FLAVOUR_MINGW:
+ be_emit_cstring(env, "\t.def\t");
+ be_emit_string(env, name);
+ be_emit_cstring(env, ";\t.scl\t2;\t.type\t32;\t.endef\n");
+ be_emit_write_line(env);
+ break;
+ default:
+ break;
}
}
+static
+void ia32_emit_function_size(ia32_emit_env_t *env, const char *name)
+{
+ switch (be_gas_flavour) {
+ case GAS_FLAVOUR_NORMAL:
+ be_emit_cstring(env, "\t.size\t");
+ be_emit_string(env, name);
+ be_emit_cstring(env, ", .-");
+ be_emit_string(env, name);
+ be_emit_char(env, '\n');
+ be_emit_write_line(env);
+ break;
+ default:
+ break;
+ }
+}
+
+
+
/**
* Emits registers and/or address mode of a binary operation.
*/
switch(get_ia32_op_type(node)) {
case ia32_Normal:
if (is_ia32_ImmConst(node) || is_ia32_ImmSymConst(node)) {
- ia32_emit_char(env, '$');
ia32_emit_immediate(env, node);
- ia32_emit_cstring(env, ", ");
+ be_emit_cstring(env, ", ");
ia32_emit_source_register(env, node, 2);
} else {
- const arch_register_t *in1 = get_in_reg(node, 2);
- const arch_register_t *in2 = get_in_reg(node, 3);
- const arch_register_t *out = produces_result(node) ? get_out_reg(node, 0) : NULL;
+ const arch_register_t *in1 = get_in_reg(env, node, 2);
+ const arch_register_t *in2 = get_in_reg(env, node, 3);
+ const arch_register_t *out = produces_result(node) ? get_out_reg(env, node, 0) : NULL;
const arch_register_t *in;
const char *in_name;
in_name = "cl";
}
- ia32_emit_char(env, '%');
- ia32_emit_string(env, in_name);
- ia32_emit_cstring(env, ", %");
- ia32_emit_string(env, arch_register_get_name(out));
+ be_emit_char(env, '%');
+ be_emit_string(env, in_name);
+ be_emit_cstring(env, ", %");
+ be_emit_string(env, arch_register_get_name(out));
}
break;
case ia32_AddrModeS:
+ ia32_emit_am(env, node);
+ be_emit_cstring(env, ", ");
if (is_ia32_ImmConst(node) || is_ia32_ImmSymConst(node)) {
assert(!produces_result(node) && "Source AM with Const must not produce result");
- ia32_emit_am(env, node);
- ia32_emit_cstring(env, ", $");
ia32_emit_immediate(env, node);
} else if (produces_result(node)) {
- ia32_emit_am(env, node);
- ia32_emit_cstring(env, ", ");
ia32_emit_dest_register(env, node, 0);
} else {
- ia32_emit_am(env, node);
- ia32_emit_cstring(env, ", ");
ia32_emit_source_register(env, node, 2);
}
break;
case ia32_AddrModeD:
if (is_ia32_ImmConst(node) || is_ia32_ImmSymConst(node)) {
- ia32_emit_char(env, '$');
ia32_emit_immediate(env, node);
- ia32_emit_cstring(env, ", ");
+ be_emit_cstring(env, ", ");
ia32_emit_am(env, node);
} else {
- const arch_register_t *in1 = get_in_reg(node, get_irn_arity(node) == 5 ? 3 : 2);
+ const arch_register_t *in1 = get_in_reg(env, node,
+ get_irn_arity(node) == 5 ? 3 : 2);
ir_mode *mode = get_ia32_ls_mode(node);
const char *in_name;
in_name = "cl";
}
- ia32_emit_char(env, '%');
- ia32_emit_string(env, in_name);
- ia32_emit_cstring(env, ", ");
+ be_emit_char(env, '%');
+ be_emit_string(env, in_name);
+ be_emit_cstring(env, ", ");
ia32_emit_am(env, node);
}
break;
in = out ? (REGS_ARE_EQUAL(out, in2) ? in1 : in2) : in2;
out = out ? out : in1;
- ia32_emit_char(env, '%');
- ia32_emit_string(env, arch_register_get_name(in));
- ia32_emit_cstring(env, ", %");
- ia32_emit_string(env, arch_register_get_name(out));
+ be_emit_char(env, '%');
+ be_emit_string(env, arch_register_get_name(in));
+ be_emit_cstring(env, ", %");
+ be_emit_string(env, arch_register_get_name(out));
}
break;
case ia32_AddrModeS:
switch(get_ia32_op_type(node)) {
case ia32_Normal:
if (is_ia32_ImmConst(node) || is_ia32_ImmSymConst(node)) {
- ia32_emit_char(env, '$');
ia32_emit_immediate(env, node);
} else {
if (is_ia32_Mul(node) || is_ia32_IMul1OP(node)) {
*/
void ia32_emit_am(ia32_emit_env_t *env, const ir_node *node) {
ia32_am_flavour_t am_flav = get_ia32_am_flavour(node);
- ident *id = get_ia32_am_sc(node);
+ ir_entity *ent = get_ia32_am_sc(node);
int offs = get_ia32_am_offs_int(node);
/* just to be sure... */
assert(!is_ia32_use_frame(node) || get_ia32_frame_ent(node) != NULL);
/* emit offset */
- if (id != NULL) {
+ if (ent != NULL) {
+ ident *id;
+
+ mark_entity_visited(ent);
+ id = get_entity_ld_ident(ent);
if (is_ia32_am_sc_sign(node))
- ia32_emit_char(env, '-');
- ia32_emit_ident(env, id);
+ be_emit_char(env, '-');
+ be_emit_ident(env, id);
+
+ if(get_entity_owner(ent) == get_tls_type()) {
+ if (get_entity_visibility(ent) == visibility_external_allocated) {
+ be_emit_cstring(env, "@INDNTPOFF");
+ } else {
+ be_emit_cstring(env, "@NTPOFF");
+ }
+ }
}
if(offs != 0) {
- if(id != NULL) {
- ia32_emit_irprintf(env, "%+d", offs);
+ if(ent != NULL) {
+ be_emit_irprintf(env->emit, "%+d", offs);
} else {
- ia32_emit_irprintf(env, "%d", offs);
+ be_emit_irprintf(env->emit, "%d", offs);
}
}
if (am_flav & (ia32_B | ia32_I)) {
- ia32_emit_char(env, '(');
+ be_emit_char(env, '(');
/* emit base */
if (am_flav & ia32_B) {
/* emit index + scale */
if (am_flav & ia32_I) {
- ia32_emit_char(env, ',');
+ be_emit_char(env, ',');
ia32_emit_source_register(env, node, 1);
if (am_flav & ia32_S) {
- ia32_emit_irprintf(env, ",%d", 1 << get_ia32_am_scale(node));
+ be_emit_irprintf(env->emit, ",%d", 1 << get_ia32_am_scale(node));
}
}
- ia32_emit_char(env, ')');
- }
-}
-
-#if 0
-/**
- * Formated print of commands and comments.
- */
-static void ia32_fprintf_format(FILE *F, const ir_node *irn, char *cmd_buf, char *cmnt_buf) {
- unsigned lineno;
- const char *name = irn ? be_retrieve_dbg_info(get_irn_dbg_info((ir_node *)irn), &lineno) : NULL;
-
- if (name)
- fprintf(F, "\t%-35s %-60s /* %s:%u */\n", cmd_buf, cmnt_buf, name, lineno);
- else
- fprintf(F, "\t%-35s %-60s\n", cmd_buf, cmnt_buf);
-}
-#endif
-
-void ia32_write_line(ia32_emit_env_t *env)
-{
- char *finished_line = obstack_finish(env->obst);
-
- fwrite(finished_line, env->linelength, 1, env->out);
- env->linelength = 0;
- obstack_free(env->obst, finished_line);
-}
-
-void ia32_pad_comment(ia32_emit_env_t *env)
-{
- while(env->linelength <= 30) {
- ia32_emit_char(env, ' ');
- }
- ia32_emit_cstring(env, " ");
-}
-
-void ia32_emit_finish_line(ia32_emit_env_t *env, const ir_node *node)
-{
- dbg_info *dbg;
- const char *sourcefile;
- unsigned lineno;
-
- if(node == NULL) {
- ia32_emit_char(env, '\n');
- ia32_write_line(env);
- return;
+ be_emit_char(env, ')');
}
-
- ia32_pad_comment(env);
- ia32_emit_cstring(env, "/* ");
- ia32_emit_irprintf(env, "%+F ", node);
-
- dbg = get_irn_dbg_info(node);
- sourcefile = be_retrieve_dbg_info(dbg, &lineno);
- if(sourcefile != NULL) {
- ia32_emit_string(env, sourcefile);
- ia32_emit_irprintf(env, ":%u", lineno);
- }
- ia32_emit_cstring(env, " */\n");
- ia32_write_line(env);
}
-
/*************************************************
* _ _ _
* (_) | | |
/*
* positive conditions for signed compares
*/
-static const struct cmp2conditon_t cmp2condition_s[] = {
+static
+const struct cmp2conditon_t cmp2condition_s[] = {
{ NULL, pn_Cmp_False }, /* always false */
{ "e", pn_Cmp_Eq }, /* == */
{ "l", pn_Cmp_Lt }, /* < */
/*
* positive conditions for unsigned compares
*/
-static const struct cmp2conditon_t cmp2condition_u[] = {
+static
+const struct cmp2conditon_t cmp2condition_u[] = {
{ NULL, pn_Cmp_False }, /* always false */
{ "e", pn_Cmp_Eq }, /* == */
{ "b", pn_Cmp_Lt }, /* < */
/*
* returns the condition code
*/
-static const char *get_cmp_suffix(int cmp_code)
+static
+const char *get_cmp_suffix(int cmp_code)
{
assert( (cmp2condition_s[cmp_code & 15].num) == (cmp_code & 15));
assert( (cmp2condition_u[cmp_code & 7].num) == (cmp_code & 7));
void ia32_emit_cmp_suffix(ia32_emit_env_t *env, long pnc)
{
- ia32_emit_string(env, get_cmp_suffix(pnc));
+ be_emit_string(env, get_cmp_suffix(pnc));
}
/**
* Returns the target block for a control flow node.
*/
-static ir_node *get_cfop_target_block(const ir_node *irn) {
+static
+ir_node *get_cfop_target_block(const ir_node *irn) {
return get_irn_link(irn);
}
void ia32_emit_cfop_target(ia32_emit_env_t * env, const ir_node *node) {
ir_node *block = get_cfop_target_block(node);
- ia32_emit_cstring(env, BLOCK_PREFIX);
- ia32_emit_irprintf(env, "%d", get_irn_node_nr(block));
+ be_emit_cstring(env, BLOCK_PREFIX);
+ be_emit_irprintf(env->emit, "%d", get_irn_node_nr(block));
}
/** Return the next block in Block schedule */
/**
* Returns the Proj with projection number proj and NOT mode_M
*/
-static ir_node *get_proj(const ir_node *node, long proj) {
+static
+ir_node *get_proj(const ir_node *node, long proj) {
const ir_edge_t *edge;
ir_node *src;
/**
* Emits the jump sequence for a conditional jump (cmp + jmp_true + jmp_false)
*/
-static void finish_CondJmp(ia32_emit_env_t *env, const ir_node *node,
- ir_mode *mode, long pnc) {
+static
+void finish_CondJmp(ia32_emit_env_t *env, const ir_node *node, ir_mode *mode,
+ long pnc) {
const ir_node *proj_true;
const ir_node *proj_false;
const ir_node *block;
/* in case of unordered compare, check for parity */
if (pnc & pn_Cmp_Uo) {
- ia32_emit_cstring(env, "\tjp ");
+ be_emit_cstring(env, "\tjp ");
ia32_emit_cfop_target(env, proj_true);
- ia32_emit_finish_line(env, proj_true);
+ be_emit_finish_line_gas(env, proj_true);
}
- ia32_emit_cstring(env, "\tj");
+ be_emit_cstring(env, "\tj");
ia32_emit_cmp_suffix(env, pnc);
- ia32_emit_char(env, ' ');
+ be_emit_char(env, ' ');
ia32_emit_cfop_target(env, proj_true);
- ia32_emit_finish_line(env, proj_true);
+ be_emit_finish_line_gas(env, proj_true);
/* the second Proj might be a fallthrough */
if (get_cfop_target_block(proj_false) != next_block) {
- ia32_emit_cstring(env, "\tjmp ");
+ be_emit_cstring(env, "\tjmp ");
ia32_emit_cfop_target(env, proj_false);
- ia32_emit_finish_line(env, proj_false);
+ be_emit_finish_line_gas(env, proj_false);
} else {
- ia32_emit_cstring(env, "\t/* fallthrough to");
+ be_emit_cstring(env, "\t/* fallthrough to");
ia32_emit_cfop_target(env, proj_false);
- ia32_emit_cstring(env, " */");
- ia32_emit_finish_line(env, proj_false);
+ be_emit_cstring(env, " */");
+ be_emit_finish_line_gas(env, proj_false);
}
}
/**
* Emits code for conditional jump.
*/
-static void CondJmp_emitter(ia32_emit_env_t *env, const ir_node *node) {
- ia32_emit_cstring(env, "\tcmp ");
+static
+void CondJmp_emitter(ia32_emit_env_t *env, const ir_node *node) {
+ be_emit_cstring(env, "\tcmp ");
ia32_emit_binop(env, node);
- ia32_emit_finish_line(env, node);
+ be_emit_finish_line_gas(env, node);
finish_CondJmp(env, node, mode_Iu, get_ia32_pncode(node));
}
/**
* Emits code for conditional jump with two variables.
*/
-static void emit_ia32_CondJmp(ia32_emit_env_t *env, const ir_node *node) {
+static
+void emit_ia32_CondJmp(ia32_emit_env_t *env, const ir_node *node) {
CondJmp_emitter(env, node);
}
/**
* Emits code for conditional test and jump.
*/
-static void TestJmp_emitter(ia32_emit_env_t *env, const ir_node *node) {
+static
+void TestJmp_emitter(ia32_emit_env_t *env, const ir_node *node) {
if(is_ia32_ImmSymConst(node) || is_ia32_ImmConst(node)) {
- ia32_emit_cstring(env, "\ttest $");
+ be_emit_cstring(env, "\ttest ");
ia32_emit_immediate(env, node);
- ia32_emit_cstring(env, ", ");
+ be_emit_cstring(env, ", ");
ia32_emit_source_register(env, node, 0);
- ia32_emit_finish_line(env, node);
+ be_emit_finish_line_gas(env, node);
} else {
- ia32_emit_cstring(env, "\ttest ");
+ be_emit_cstring(env, "\ttest ");
ia32_emit_source_register(env, node, 1);
- ia32_emit_cstring(env, ", ");
+ be_emit_cstring(env, ", ");
ia32_emit_source_register(env, node, 0);
- ia32_emit_finish_line(env, node);
+ be_emit_finish_line_gas(env, node);
}
finish_CondJmp(env, node, mode_Iu, get_ia32_pncode(node));
}
/**
* Emits code for conditional test and jump with two variables.
*/
-static void emit_ia32_TestJmp(ia32_emit_env_t *env, const ir_node *node) {
+static
+void emit_ia32_TestJmp(ia32_emit_env_t *env, const ir_node *node) {
TestJmp_emitter(env, node);
}
-static void emit_ia32_CJmp(ia32_emit_env_t *env, const ir_node *node) {
- ia32_emit_cstring(env, "/* omitted redundant test */");
- ia32_emit_finish_line(env, node);
+static
+void emit_ia32_CJmp(ia32_emit_env_t *env, const ir_node *node) {
+ be_emit_cstring(env, "/* omitted redundant test */");
+ be_emit_finish_line_gas(env, node);
finish_CondJmp(env, node, mode_Is, get_ia32_pncode(node));
}
-static void emit_ia32_CJmpAM(ia32_emit_env_t *env, const ir_node *node) {
- ia32_emit_cstring(env, "/* omitted redundant test/cmp */");
- ia32_emit_finish_line(env, node);
+static
+void emit_ia32_CJmpAM(ia32_emit_env_t *env, const ir_node *node) {
+ be_emit_cstring(env, "/* omitted redundant test/cmp */");
+ be_emit_finish_line_gas(env, node);
finish_CondJmp(env, node, mode_Is, get_ia32_pncode(node));
}
/**
* Emits code for conditional SSE floating point jump with two variables.
*/
-static void emit_ia32_xCondJmp(ia32_emit_env_t *env, const ir_node *node) {
- ia32_emit_cstring(env, "\tucomis");
- ia32_emit_mode_suffix(env, get_irn_mode(node));
- ia32_emit_char(env, ' ');
+static
+void emit_ia32_xCondJmp(ia32_emit_env_t *env, const ir_node *node) {
+ be_emit_cstring(env, "\tucomi");
+ ia32_emit_xmm_mode_suffix(env, node);
+ be_emit_char(env, ' ');
ia32_emit_binop(env, node);
- ia32_emit_finish_line(env, node);
+ be_emit_finish_line_gas(env, node);
finish_CondJmp(env, node, mode_F, get_ia32_pncode(node));
}
/**
* Emits code for conditional x87 floating point jump with two variables.
*/
-static void emit_ia32_x87CondJmp(ia32_emit_env_t *env, const ir_node *node) {
+static
+void emit_ia32_x87CondJmp(ia32_emit_env_t *env, const ir_node *node) {
ia32_attr_t *attr = get_ia32_attr(node);
const char *reg = attr->x87[1]->name;
long pnc = get_ia32_pncode(node);
switch (get_ia32_irn_opcode(node)) {
case iro_ia32_fcomrJmp:
pnc = get_inversed_pnc(pnc);
+ reg = attr->x87[0]->name;
case iro_ia32_fcomJmp:
default:
- ia32_emit_cstring(env, "\tfucom ");
+ be_emit_cstring(env, "\tfucom ");
break;
case iro_ia32_fcomrpJmp:
pnc = get_inversed_pnc(pnc);
+ reg = attr->x87[0]->name;
case iro_ia32_fcompJmp:
- ia32_emit_cstring(env, "\tfucomp ");
+ be_emit_cstring(env, "\tfucomp ");
break;
case iro_ia32_fcomrppJmp:
pnc = get_inversed_pnc(pnc);
case iro_ia32_fcomppJmp:
- ia32_emit_cstring(env, "\tfucompp ");
+ be_emit_cstring(env, "\tfucompp ");
reg = "";
break;
}
if(reg[0] != '\0') {
- ia32_emit_char(env, '%');
- ia32_emit_string(env, reg);
+ be_emit_char(env, '%');
+ be_emit_string(env, reg);
}
- ia32_emit_finish_line(env, node);
+ be_emit_finish_line_gas(env, node);
- ia32_emit_cstring(env, "\tfnstsw %ax");
- ia32_emit_finish_line(env, node);
- ia32_emit_cstring(env, "\tsahf");
- ia32_emit_finish_line(env, node);
+ be_emit_cstring(env, "\tfnstsw %ax");
+ be_emit_finish_line_gas(env, node);
+ be_emit_cstring(env, "\tsahf");
+ be_emit_finish_line_gas(env, node);
finish_CondJmp(env, node, mode_E, pnc);
}
-static void CMov_emitter(ia32_emit_env_t *env, const ir_node *node) {
+static
+void CMov_emitter(ia32_emit_env_t *env, const ir_node *node) {
long pnc = get_ia32_pncode(node);
int is_PsiCondCMov = is_ia32_PsiCondCMov(node);
int idx_left = 2 - is_PsiCondCMov;
/* we have to emit the cmp first, because the destination register */
/* could be one of the compare registers */
if (is_ia32_CmpCMov(node)) {
- ia32_emit_cstring(env, "\tcmp ");
+ be_emit_cstring(env, "\tcmp ");
ia32_emit_source_register(env, node, 1);
- ia32_emit_cstring(env, ", ");
+ be_emit_cstring(env, ", ");
ia32_emit_source_register(env, node, 0);
} else if (is_ia32_xCmpCMov(node)) {
- ia32_emit_cstring(env, "\tucomis");
+ be_emit_cstring(env, "\tucomis");
ia32_emit_mode_suffix(env, get_irn_mode(node));
- ia32_emit_char(env, ' ');
+ be_emit_char(env, ' ');
ia32_emit_source_register(env, node, 1);
- ia32_emit_cstring(env, ", ");
+ be_emit_cstring(env, ", ");
ia32_emit_source_register(env, node, 0);
} else if (is_PsiCondCMov) {
/* omit compare because flags are already set by And/Or */
- ia32_emit_cstring(env, "\ttest ");
+ be_emit_cstring(env, "\ttest ");
ia32_emit_source_register(env, node, 0);
- ia32_emit_cstring(env, ", ");
+ be_emit_cstring(env, ", ");
ia32_emit_source_register(env, node, 0);
} else {
assert(0 && "unsupported CMov");
}
- ia32_emit_finish_line(env, node);
+ be_emit_finish_line_gas(env, node);
if (REGS_ARE_EQUAL(out, in2)) {
/* best case: default in == out -> do nothing */
} else {
/* out is different from in: need copy default -> out */
if (is_PsiCondCMov) {
- ia32_emit_cstring(env, "\tmovl ");
+ be_emit_cstring(env, "\tmovl ");
ia32_emit_dest_register(env, node, 2);
- ia32_emit_cstring(env, ", ");
+ be_emit_cstring(env, ", ");
ia32_emit_dest_register(env, node, 0);
} else {
- ia32_emit_cstring(env, "\tmovl ");
+ be_emit_cstring(env, "\tmovl ");
ia32_emit_source_register(env, node, 3);
- ia32_emit_cstring(env, ", ");
+ be_emit_cstring(env, ", ");
ia32_emit_dest_register(env, node, 0);
}
- ia32_emit_finish_line(env, node);
+ be_emit_finish_line_gas(env, node);
}
if (is_PsiCondCMov) {
- ia32_emit_cstring(env, "\tcmov");
+ be_emit_cstring(env, "\tcmov");
ia32_emit_cmp_suffix(env, pnc);
- ia32_emit_cstring(env, "l ");
+ be_emit_cstring(env, "l ");
ia32_emit_source_register(env, node, 1);
- ia32_emit_cstring(env, ", ");
+ be_emit_cstring(env, ", ");
ia32_emit_dest_register(env, node, 0);
} else {
- ia32_emit_cstring(env, "\tcmov");
+ be_emit_cstring(env, "\tcmov");
ia32_emit_cmp_suffix(env, pnc);
- ia32_emit_cstring(env, "l ");
+ be_emit_cstring(env, "l ");
ia32_emit_source_register(env, node, 2);
- ia32_emit_cstring(env, ", ");
+ be_emit_cstring(env, ", ");
ia32_emit_dest_register(env, node, 0);
}
- ia32_emit_finish_line(env, node);
+ be_emit_finish_line_gas(env, node);
}
-static void emit_ia32_CmpCMov(ia32_emit_env_t *env, const ir_node *node) {
+static
+void emit_ia32_CmpCMov(ia32_emit_env_t *env, const ir_node *node) {
CMov_emitter(env, node);
}
-static void emit_ia32_PsiCondCMov(ia32_emit_env_t *env, const ir_node *node) {
+static
+void emit_ia32_PsiCondCMov(ia32_emit_env_t *env, const ir_node *node) {
CMov_emitter(env, node);
}
-static void emit_ia32_xCmpCMov(ia32_emit_env_t *env, const ir_node *node) {
+static
+void emit_ia32_xCmpCMov(ia32_emit_env_t *env, const ir_node *node) {
CMov_emitter(env, node);
}
-static void Set_emitter(ia32_emit_env_t *env, const ir_node *node, ir_mode *mode) {
+static
+void Set_emitter(ia32_emit_env_t *env, const ir_node *node, ir_mode *mode) {
int pnc = get_ia32_pncode(node);
const char *reg8bit;
const arch_register_t *out;
reg8bit = ia32_get_mapped_reg_name(env->isa->regs_8bit, out);
if (is_ia32_CmpSet(node)) {
- ia32_emit_cstring(env, "\tcmp ");
+ be_emit_cstring(env, "\tcmp ");
ia32_emit_binop(env, node);
} else if (is_ia32_xCmpSet(node)) {
- ia32_emit_cstring(env, "\tucomis");
+ be_emit_cstring(env, "\tucomis");
ia32_emit_mode_suffix(env, get_irn_mode(get_irn_n(node, 2)));
- ia32_emit_char(env, ' ');
+ be_emit_char(env, ' ');
ia32_emit_binop(env, node);
} else if (is_ia32_PsiCondSet(node)) {
- ia32_emit_cstring(env, "\tcmp $0, ");
+ be_emit_cstring(env, "\tcmp $0, ");
ia32_emit_source_register(env, node, 0);
} else {
assert(0 && "unsupported Set");
}
- ia32_emit_finish_line(env, node);
+ be_emit_finish_line_gas(env, node);
/* use mov to clear target because it doesn't affect the eflags */
- ia32_emit_cstring(env, "\tmovl $0, %");
- ia32_emit_string(env, arch_register_get_name(out));
- ia32_emit_finish_line(env, node);
+ be_emit_cstring(env, "\tmovl $0, %");
+ be_emit_string(env, arch_register_get_name(out));
+ be_emit_finish_line_gas(env, node);
- ia32_emit_cstring(env, "\tset");
+ be_emit_cstring(env, "\tset");
ia32_emit_cmp_suffix(env, pnc);
- ia32_emit_cstring(env, " %");
- ia32_emit_string(env, reg8bit);
- ia32_emit_finish_line(env, node);
+ be_emit_cstring(env, " %");
+ be_emit_string(env, reg8bit);
+ be_emit_finish_line_gas(env, node);
}
-static void emit_ia32_CmpSet(ia32_emit_env_t *env, const ir_node *node) {
+static
+void emit_ia32_CmpSet(ia32_emit_env_t *env, const ir_node *node) {
Set_emitter(env, node, get_irn_mode(get_irn_n(node, 2)));
}
-static void emit_ia32_PsiCondSet(ia32_emit_env_t *env, const ir_node *node) {
+static
+void emit_ia32_PsiCondSet(ia32_emit_env_t *env, const ir_node *node) {
Set_emitter(env, node, get_irn_mode(get_irn_n(node, 0)));
}
-static void emit_ia32_xCmpSet(ia32_emit_env_t *env, const ir_node *node) {
+static
+void emit_ia32_xCmpSet(ia32_emit_env_t *env, const ir_node *node) {
Set_emitter(env, node, get_irn_mode(get_irn_n(node, 2)));
}
-static void emit_ia32_xCmp(ia32_emit_env_t *env, const ir_node *node) {
+static
+void emit_ia32_xCmp(ia32_emit_env_t *env, const ir_node *node) {
int sse_pnc = -1;
long pnc = get_ia32_pncode(node);
long unord = pnc & pn_Cmp_Uo;
- and result and stored result
- cleanup stack
*/
- ia32_emit_cstring(env, "\tsubl $8, %esp");
- ia32_emit_finish_line(env, node);
+ be_emit_cstring(env, "\tsubl $8, %esp");
+ be_emit_finish_line_gas(env, node);
- ia32_emit_cstring(env, "\tcmpsd $3, ");
+ be_emit_cstring(env, "\tcmpsd $3, ");
ia32_emit_binop(env, node);
- ia32_emit_finish_line(env, node);
+ be_emit_finish_line_gas(env, node);
- ia32_emit_cstring(env, "\tmovsd ");
+ be_emit_cstring(env, "\tmovsd ");
ia32_emit_dest_register(env, node, 0);
- ia32_emit_cstring(env, ", (%esp)");
- ia32_emit_finish_line(env, node);
+ be_emit_cstring(env, ", (%esp)");
+ be_emit_finish_line_gas(env, node);
}
- ia32_emit_cstring(env, "\tcmpsd ");
- ia32_emit_irprintf(env, "%d, ", sse_pnc);
+ be_emit_cstring(env, "\tcmpsd ");
+ be_emit_irprintf(env->emit, "%d, ", sse_pnc);
ia32_emit_binop(env, node);
- ia32_emit_finish_line(env, node);
+ be_emit_finish_line_gas(env, node);
if (unord && sse_pnc != 3) {
- ia32_emit_cstring(env, "\tandpd (%esp), ");
+ be_emit_cstring(env, "\tandpd (%esp), ");
ia32_emit_dest_register(env, node, 0);
- ia32_emit_finish_line(env, node);
+ be_emit_finish_line_gas(env, node);
- ia32_emit_cstring(env, "\taddl $8, %esp");
- ia32_emit_finish_line(env, node);
+ be_emit_cstring(env, "\taddl $8, %esp");
+ be_emit_finish_line_gas(env, node);
}
}
/**
* Compare two variables of type branch_t. Used to sort all switch cases
*/
-static int ia32_cmp_branch_t(const void *a, const void *b) {
+static
+int ia32_cmp_branch_t(const void *a, const void *b) {
branch_t *b1 = (branch_t *)a;
branch_t *b2 = (branch_t *)b;
* possible otherwise a cmp-jmp cascade). Port from
* cggg ia32 backend
*/
-static void emit_ia32_SwitchJmp(ia32_emit_env_t *env, const ir_node *node) {
+static
+void emit_ia32_SwitchJmp(ia32_emit_env_t *env, const ir_node *node) {
unsigned long interval;
int last_value, i;
long pnc;
interval = tbl.max_value - tbl.min_value;
/* emit the table */
- ia32_emit_cstring(env, "\tcmpl $");
- ia32_emit_irprintf(env, "%u, ", interval);
+ be_emit_cstring(env, "\tcmpl $");
+ be_emit_irprintf(env->emit, "%u, ", interval);
ia32_emit_source_register(env, node, 0);
- ia32_emit_finish_line(env, node);
+ be_emit_finish_line_gas(env, node);
- ia32_emit_cstring(env, "\tja ");
+ be_emit_cstring(env, "\tja ");
ia32_emit_cfop_target(env, tbl.defProj);
- ia32_emit_finish_line(env, node);
+ be_emit_finish_line_gas(env, node);
if (tbl.num_branches > 1) {
/* create table */
- ia32_emit_cstring(env, "\tjmp *");
- ia32_emit_string(env, tbl.label);
- ia32_emit_cstring(env, "(,");
+ be_emit_cstring(env, "\tjmp *");
+ be_emit_string(env, tbl.label);
+ be_emit_cstring(env, "(,");
ia32_emit_source_register(env, node, 0);
- ia32_emit_cstring(env, ",4)");
- ia32_emit_finish_line(env, node);
+ be_emit_cstring(env, ",4)");
+ be_emit_finish_line_gas(env, node);
- ia32_switch_section(env->out, SECTION_RODATA);
- ia32_emit_cstring(env, "\t.align 4\n");
- ia32_write_line(env);
+ be_gas_emit_switch_section(env->emit, GAS_SECTION_RODATA);
+ be_emit_cstring(env, "\t.align 4\n");
+ be_emit_write_line(env);
- ia32_emit_string(env, tbl.label);
- ia32_emit_cstring(env, ":\n");
- ia32_write_line(env);
+ be_emit_string(env, tbl.label);
+ be_emit_cstring(env, ":\n");
+ be_emit_write_line(env);
- ia32_emit_cstring(env, ".long ");
+ be_emit_cstring(env, ".long ");
ia32_emit_cfop_target(env, tbl.branches[0].target);
- ia32_emit_finish_line(env, NULL);
+ be_emit_finish_line_gas(env, NULL);
last_value = tbl.branches[0].value;
for (i = 1; i < tbl.num_branches; ++i) {
while (++last_value < tbl.branches[i].value) {
- ia32_emit_cstring(env, ".long ");
+ be_emit_cstring(env, ".long ");
ia32_emit_cfop_target(env, tbl.defProj);
- ia32_emit_finish_line(env, NULL);
+ be_emit_finish_line_gas(env, NULL);
}
- ia32_emit_cstring(env, ".long ");
+ be_emit_cstring(env, ".long ");
ia32_emit_cfop_target(env, tbl.branches[i].target);
- ia32_emit_finish_line(env, NULL);
+ be_emit_finish_line_gas(env, NULL);
}
- ia32_switch_section(env->out, SECTION_TEXT);
+ be_gas_emit_switch_section(env->emit, GAS_SECTION_TEXT);
} else {
/* one jump is enough */
- ia32_emit_cstring(env, "\tjmp ");
+ be_emit_cstring(env, "\tjmp ");
ia32_emit_cfop_target(env, tbl.branches[0].target);
- ia32_emit_finish_line(env, node);
+ be_emit_finish_line_gas(env, node);
}
if (tbl.label)
/**
* Emits code for a unconditional jump.
*/
-static void emit_Jmp(ia32_emit_env_t *env, const ir_node *node) {
+static
+void emit_Jmp(ia32_emit_env_t *env, const ir_node *node) {
ir_node *block, *next_block;
/* for now, the code works for scheduled and non-schedules blocks */
/* we have a block schedule */
next_block = next_blk_sched(block);
if (get_cfop_target_block(node) != next_block) {
- ia32_emit_cstring(env, "\tjmp ");
+ be_emit_cstring(env, "\tjmp ");
ia32_emit_cfop_target(env, node);
} else {
- ia32_emit_cstring(env, "\t/* fallthrough to ");
+ be_emit_cstring(env, "\t/* fallthrough to ");
ia32_emit_cfop_target(env, node);
- ia32_emit_cstring(env, " */");
+ be_emit_cstring(env, " */");
}
- ia32_emit_finish_line(env, node);
+ be_emit_finish_line_gas(env, node);
}
/**********************************
/**
* Emit movsb/w instructions to make mov count divideable by 4
*/
-static void emit_CopyB_prolog(ia32_emit_env_t *env, int rem) {
- ia32_emit_cstring(env, "\tcld");
- ia32_emit_finish_line(env, NULL);
+static
+void emit_CopyB_prolog(ia32_emit_env_t *env, int rem) {
+ be_emit_cstring(env, "\tcld");
+ be_emit_finish_line_gas(env, NULL);
switch(rem) {
case 1:
- ia32_emit_cstring(env, "\tmovsb");
- ia32_emit_finish_line(env, NULL);
+ be_emit_cstring(env, "\tmovsb");
+ be_emit_finish_line_gas(env, NULL);
break;
case 2:
- ia32_emit_cstring(env, "\tmovsw");
- ia32_emit_finish_line(env, NULL);
+ be_emit_cstring(env, "\tmovsw");
+ be_emit_finish_line_gas(env, NULL);
break;
case 3:
- ia32_emit_cstring(env, "\tmovsb");
- ia32_emit_finish_line(env, NULL);
- ia32_emit_cstring(env, "\tmovsw");
- ia32_emit_finish_line(env, NULL);
+ be_emit_cstring(env, "\tmovsb");
+ be_emit_finish_line_gas(env, NULL);
+ be_emit_cstring(env, "\tmovsw");
+ be_emit_finish_line_gas(env, NULL);
break;
}
}
/**
* Emit rep movsd instruction for memcopy.
*/
-static void emit_ia32_CopyB(ia32_emit_env_t *env, const ir_node *node) {
+static
+void emit_ia32_CopyB(ia32_emit_env_t *env, const ir_node *node) {
tarval *tv = get_ia32_Immop_tarval(node);
int rem = get_tarval_long(tv);
emit_CopyB_prolog(env, rem);
- ia32_emit_cstring(env, "\trep movsd");
- ia32_emit_finish_line(env, node);
+ be_emit_cstring(env, "\trep movsd");
+ be_emit_finish_line_gas(env, node);
}
/**
* Emits unrolled memcopy.
*/
-static void emit_ia32_CopyB_i(ia32_emit_env_t *env, const ir_node *node) {
+static
+void emit_ia32_CopyB_i(ia32_emit_env_t *env, const ir_node *node) {
tarval *tv = get_ia32_Immop_tarval(node);
int size = get_tarval_long(tv);
size >>= 2;
while (size--) {
- ia32_emit_cstring(env, "\tmovsd");
- ia32_emit_finish_line(env, NULL);
+ be_emit_cstring(env, "\tmovsd");
+ be_emit_finish_line_gas(env, NULL);
}
}
/**
* Emit code for conversions (I, FP), (FP, I) and (FP, FP).
*/
-static void emit_ia32_Conv_with_FP(ia32_emit_env_t *env, const ir_node *node) {
+static
+void emit_ia32_Conv_with_FP(ia32_emit_env_t *env, const ir_node *node) {
ir_mode *ls_mode = get_ia32_ls_mode(node);
int ls_bits = get_mode_size_bits(ls_mode);
- ia32_emit_cstring(env, "\tcvt");
+ be_emit_cstring(env, "\tcvt");
if(is_ia32_Conv_I2FP(node)) {
if(ls_bits == 32) {
- ia32_emit_cstring(env, "si2ss");
+ be_emit_cstring(env, "si2ss");
} else {
- ia32_emit_cstring(env, "si2sd");
+ be_emit_cstring(env, "si2sd");
}
} else if(is_ia32_Conv_FP2I(node)) {
if(ls_bits == 32) {
- ia32_emit_cstring(env, "ss2si");
+ be_emit_cstring(env, "ss2si");
} else {
- ia32_emit_cstring(env, "sd2si");
+ be_emit_cstring(env, "sd2si");
}
} else {
assert(is_ia32_Conv_FP2FP(node));
if(ls_bits == 32) {
- ia32_emit_cstring(env, "sd2ss");
+ be_emit_cstring(env, "sd2ss");
} else {
- ia32_emit_cstring(env, "ss2sd");
+ be_emit_cstring(env, "ss2sd");
}
}
+ be_emit_char(env, ' ');
switch(get_ia32_op_type(node)) {
case ia32_Normal:
- ia32_emit_dest_register(env, node, 0);
- ia32_emit_cstring(env, ", ");
ia32_emit_source_register(env, node, 2);
+ be_emit_cstring(env, ", ");
+ ia32_emit_dest_register(env, node, 0);
break;
case ia32_AddrModeS:
ia32_emit_dest_register(env, node, 0);
- ia32_emit_cstring(env, ", ");
+ be_emit_cstring(env, ", ");
ia32_emit_am(env, node);
break;
default:
assert(0 && "unsupported op type for Conv");
}
- ia32_emit_finish_line(env, node);
+ be_emit_finish_line_gas(env, node);
}
-static void emit_ia32_Conv_I2FP(ia32_emit_env_t *env, const ir_node *node) {
+static
+void emit_ia32_Conv_I2FP(ia32_emit_env_t *env, const ir_node *node) {
emit_ia32_Conv_with_FP(env, node);
}
-static void emit_ia32_Conv_FP2I(ia32_emit_env_t *env, const ir_node *node) {
+static
+void emit_ia32_Conv_FP2I(ia32_emit_env_t *env, const ir_node *node) {
emit_ia32_Conv_with_FP(env, node);
}
-static void emit_ia32_Conv_FP2FP(ia32_emit_env_t *env, const ir_node *node) {
+static
+void emit_ia32_Conv_FP2FP(ia32_emit_env_t *env, const ir_node *node) {
emit_ia32_Conv_with_FP(env, node);
}
/**
* Emits code for an Int conversion.
*/
-static void emit_ia32_Conv_I2I(ia32_emit_env_t *env, const ir_node *node) {
+static
+void emit_ia32_Conv_I2I(ia32_emit_env_t *env, const ir_node *node) {
const char *sign_suffix;
ir_mode *smaller_mode = get_ia32_ls_mode(node);
int smaller_bits = get_mode_size_bits(smaller_mode);
switch(get_ia32_op_type(node)) {
case ia32_Normal:
- in_reg = get_in_reg(node, 2);
- out_reg = get_out_reg(node, 0);
+ in_reg = get_in_reg(env, node, 2);
+ out_reg = get_out_reg(env, node, 0);
if (REGS_ARE_EQUAL(in_reg, &ia32_gp_regs[REG_EAX]) &&
REGS_ARE_EQUAL(out_reg, in_reg) &&
/* argument and result are both in EAX and */
/* signedness is ok: -> use converts */
if (smaller_bits == 8) {
- ia32_emit_cstring(env, "\tcbtw");
+ be_emit_cstring(env, "\tcbtw");
} else if (smaller_bits == 16) {
- ia32_emit_cstring(env, "\tcwtl");
+ be_emit_cstring(env, "\tcwtl");
} else {
assert(0);
}
/* argument and result are in the same register */
/* and signedness is ok: -> use and with mask */
int mask = (1 << smaller_bits) - 1;
- ia32_emit_cstring(env, "\tandl $0x");
- ia32_emit_irprintf(env, "%x, ", mask);
+ be_emit_cstring(env, "\tandl $0x");
+ be_emit_irprintf(env->emit, "%x, ", mask);
ia32_emit_dest_register(env, node, 0);
} else {
const char *sreg = ia32_get_reg_name_for_mode(env, smaller_mode, in_reg);
- ia32_emit_cstring(env, "\tmov");
- ia32_emit_string(env, sign_suffix);
+ be_emit_cstring(env, "\tmov");
+ be_emit_string(env, sign_suffix);
ia32_emit_mode_suffix(env, smaller_mode);
- ia32_emit_cstring(env, "l %");
- ia32_emit_string(env, sreg);
- ia32_emit_cstring(env, ", ");
+ be_emit_cstring(env, "l %");
+ be_emit_string(env, sreg);
+ be_emit_cstring(env, ", ");
ia32_emit_dest_register(env, node, 0);
}
break;
case ia32_AddrModeS: {
- ia32_emit_cstring(env, "\tmov");
- ia32_emit_string(env, sign_suffix);
+ be_emit_cstring(env, "\tmov");
+ be_emit_string(env, sign_suffix);
ia32_emit_mode_suffix(env, smaller_mode);
- ia32_emit_cstring(env, "l %");
+ be_emit_cstring(env, "l %");
ia32_emit_am(env, node);
- ia32_emit_cstring(env, ", ");
+ be_emit_cstring(env, ", ");
ia32_emit_dest_register(env, node, 0);
break;
}
default:
assert(0 && "unsupported op type for Conv");
}
- ia32_emit_finish_line(env, node);
+ be_emit_finish_line_gas(env, node);
}
/**
/**
* Emits a backend call
*/
-static void emit_be_Call(ia32_emit_env_t *env, const ir_node *node) {
+static
+void emit_be_Call(ia32_emit_env_t *env, const ir_node *node) {
ir_entity *ent = be_Call_get_entity(node);
- ia32_emit_cstring(env, "\tcall ");
+ be_emit_cstring(env, "\tcall ");
if (ent) {
- ia32_emit_string(env, get_entity_ld_name(ent));
+ mark_entity_visited(ent);
+ be_emit_string(env, get_entity_ld_name(ent));
} else {
- ia32_emit_char(env, '*');
+ be_emit_char(env, '*');
ia32_emit_dest_register(env, get_irn_n(node, be_pos_Call_ptr), 0);
}
- ia32_emit_finish_line(env, node);
+ be_emit_finish_line_gas(env, node);
}
/**
* Emits code to increase stack pointer.
*/
-static void emit_be_IncSP(ia32_emit_env_t *env, const ir_node *node) {
+static
+void emit_be_IncSP(ia32_emit_env_t *env, const ir_node *node) {
int offs = be_get_IncSP_offset(node);
if (offs == 0)
return;
if (offs > 0) {
- ia32_emit_cstring(env, "\tsubl $");
- ia32_emit_irprintf(env, "%u, ", offs);
+ be_emit_cstring(env, "\tsubl $");
+ be_emit_irprintf(env->emit, "%u, ", offs);
ia32_emit_source_register(env, node, 0);
} else {
- ia32_emit_cstring(env, "\taddl $");
- ia32_emit_irprintf(env, "%u, ", -offs);
+ be_emit_cstring(env, "\taddl $");
+ be_emit_irprintf(env->emit, "%u, ", -offs);
ia32_emit_source_register(env, node, 0);
}
- ia32_emit_finish_line(env, node);
+ be_emit_finish_line_gas(env, node);
}
/**
* Emits code to set stack pointer.
*/
-static void emit_be_SetSP(ia32_emit_env_t *env, const ir_node *node) {
- ia32_emit_cstring(env, "\tmovl ");
+static
+void emit_be_SetSP(ia32_emit_env_t *env, const ir_node *node) {
+ be_emit_cstring(env, "\tmovl ");
ia32_emit_source_register(env, node, 2);
- ia32_emit_cstring(env, ", ");
+ be_emit_cstring(env, ", ");
ia32_emit_dest_register(env, node, 0);
- ia32_emit_finish_line(env, node);
+ be_emit_finish_line_gas(env, node);
}
/**
* Emits code for Copy/CopyKeep.
*/
-static void Copy_emitter(ia32_emit_env_t *env, const ir_node *node, const ir_node *op) {
+static
+void Copy_emitter(ia32_emit_env_t *env, const ir_node *node, const ir_node *op)
+{
const arch_env_t *aenv = env->arch_env;
+ ir_mode *mode;
if (REGS_ARE_EQUAL(arch_get_irn_register(aenv, node), arch_get_irn_register(aenv, op)) ||
arch_register_type_is(arch_get_irn_register(aenv, op), virtual))
return;
- if (mode_is_float(get_irn_mode(node))) {
- ia32_emit_cstring(env, "\tmovsd ");
+ mode = get_irn_mode(node);
+ if (mode == mode_LLu) {
+ be_emit_cstring(env, "\tmovsd ");
ia32_emit_source_register(env, node, 0);
- ia32_emit_cstring(env, ", ");
+ be_emit_cstring(env, ", ");
ia32_emit_dest_register(env, node, 0);
} else {
- ia32_emit_cstring(env, "\tmovl ");
+ be_emit_cstring(env, "\tmovl ");
ia32_emit_source_register(env, node, 0);
- ia32_emit_cstring(env, ", ");
+ be_emit_cstring(env, ", ");
ia32_emit_dest_register(env, node, 0);
}
- ia32_emit_finish_line(env, node);
+ be_emit_finish_line_gas(env, node);
}
-static void emit_be_Copy(ia32_emit_env_t *env, const ir_node *node) {
+static
+void emit_be_Copy(ia32_emit_env_t *env, const ir_node *node) {
Copy_emitter(env, node, be_get_Copy_op(node));
}
-static void emit_be_CopyKeep(ia32_emit_env_t *env, const ir_node *node) {
+static
+void emit_be_CopyKeep(ia32_emit_env_t *env, const ir_node *node) {
Copy_emitter(env, node, be_get_CopyKeep_op(node));
}
/**
* Emits code for exchange.
*/
-static void emit_be_Perm(ia32_emit_env_t *env, const ir_node *node) {
+static
+void emit_be_Perm(ia32_emit_env_t *env, const ir_node *node) {
const arch_register_t *in1, *in2;
const arch_register_class_t *cls1, *cls2;
assert(cls1 == cls2 && "Register class mismatch at Perm");
if (cls1 == &ia32_reg_classes[CLASS_ia32_gp]) {
-#if 0
- if(emit_env->isa->opt_arch == arch_athlon) {
- // xchg commands are Vector path on athlons and therefore stall the DirectPath pipeline
- // it is often beneficial to use the 3 xor trick instead of an xchg
- cmnt_buf[0] = 0;
- lc_esnprintf(ia32_get_arg_env(), cmd_buf, SNPRINTF_BUF_LEN, "xor %1S, %2S", irn, irn);
- IA32_DO_EMIT(irn);
- lc_esnprintf(ia32_get_arg_env(), cmd_buf, SNPRINTF_BUF_LEN, "xor %2S, %1S", irn, irn);
- IA32_DO_EMIT(irn);
- lc_esnprintf(ia32_get_arg_env(), cmd_buf, SNPRINTF_BUF_LEN, "xor %1S, %2S", irn, irn);
- } else {
-#endif
- ia32_emit_cstring(env, "\txchg ");
- ia32_emit_source_register(env, node, 1);
- ia32_emit_cstring(env, ", ");
- ia32_emit_source_register(env, node, 0);
- ia32_emit_finish_line(env, node);
-#if 0
- }
-#endif
+ be_emit_cstring(env, "\txchg ");
+ ia32_emit_source_register(env, node, 1);
+ be_emit_cstring(env, ", ");
+ ia32_emit_source_register(env, node, 0);
+ be_emit_finish_line_gas(env, node);
} else if (cls1 == &ia32_reg_classes[CLASS_ia32_xmm]) {
- ia32_emit_cstring(env, "\tpxorq ");
+ be_emit_cstring(env, "\txorpd ");
ia32_emit_source_register(env, node, 1);
- ia32_emit_cstring(env, ", ");
+ be_emit_cstring(env, ", ");
ia32_emit_source_register(env, node, 0);
- ia32_emit_finish_line(env, NULL);
+ be_emit_finish_line_gas(env, NULL);
- ia32_emit_cstring(env, "\tpxorq ");
+ be_emit_cstring(env, "\txorpd ");
ia32_emit_source_register(env, node, 0);
- ia32_emit_cstring(env, ", ");
+ be_emit_cstring(env, ", ");
ia32_emit_source_register(env, node, 1);
- ia32_emit_finish_line(env, NULL);
+ be_emit_finish_line_gas(env, NULL);
- ia32_emit_cstring(env, "\tpxorq ");
+ be_emit_cstring(env, "\txorpd ");
ia32_emit_source_register(env, node, 1);
- ia32_emit_cstring(env, ", ");
+ be_emit_cstring(env, ", ");
ia32_emit_source_register(env, node, 0);
- ia32_emit_finish_line(env, node);
+ be_emit_finish_line_gas(env, node);
} else if (cls1 == &ia32_reg_classes[CLASS_ia32_vfp]) {
/* is a NOP */
} else if (cls1 == &ia32_reg_classes[CLASS_ia32_st]) {
/**
* Emits code for Constant loading.
*/
-static void emit_ia32_Const(ia32_emit_env_t *env, const ir_node *node) {
- ir_mode *mode = get_irn_mode(node);
+static
+void emit_ia32_Const(ia32_emit_env_t *env, const ir_node *node) {
ia32_immop_type_t imm_tp = get_ia32_immop_type(node);
if (imm_tp == ia32_ImmSymConst) {
- ia32_emit_cstring(env, "\tmovl $");
+ be_emit_cstring(env, "\tmovl ");
ia32_emit_immediate(env, node);
- ia32_emit_cstring(env, ", ");
+ be_emit_cstring(env, ", ");
ia32_emit_dest_register(env, node, 0);
} else {
tarval *tv = get_ia32_Immop_tarval(node);
- assert(mode == mode_Iu);
+ assert(get_irn_mode(node) == mode_Iu);
/* beware: in some rare cases mode is mode_b which has no tarval_null() */
if (tarval_is_null(tv)) {
if (env->isa->opt_arch == arch_pentium_4) {
/* P4 prefers sub r, r, others xor r, r */
- ia32_emit_cstring(env, "\tsubl ");
+ be_emit_cstring(env, "\tsubl ");
} else {
- ia32_emit_cstring(env, "\txorl ");
+ be_emit_cstring(env, "\txorl ");
}
ia32_emit_dest_register(env, node, 0);
- ia32_emit_cstring(env, ", ");
+ be_emit_cstring(env, ", ");
ia32_emit_dest_register(env, node, 0);
} else {
- ia32_emit_cstring(env, "\tmovl $");
+ be_emit_cstring(env, "\tmovl ");
ia32_emit_immediate(env, node);
- ia32_emit_cstring(env, ", ");
+ be_emit_cstring(env, ", ");
ia32_emit_dest_register(env, node, 0);
}
}
- ia32_emit_finish_line(env, node);
+ be_emit_finish_line_gas(env, node);
}
/**
* Emits code to load the TLS base
*/
-static void emit_ia32_LdTls(ia32_emit_env_t *env, const ir_node *node) {
- ia32_emit_cstring(env, "\tmovl %gs:0, ");
+static
+void emit_ia32_LdTls(ia32_emit_env_t *env, const ir_node *node) {
+ be_emit_cstring(env, "\tmovl %gs:0, ");
ia32_emit_dest_register(env, node, 0);
- ia32_emit_finish_line(env, node);
+ be_emit_finish_line_gas(env, node);
}
-static void emit_be_Return(ia32_emit_env_t *env, const ir_node *node) {
- ia32_emit_cstring(env, "\tret");
- ia32_emit_finish_line(env, node);
+static
+void emit_be_Return(ia32_emit_env_t *env, const ir_node *node) {
+ be_emit_cstring(env, "\tret");
+ be_emit_finish_line_gas(env, node);
}
-static void emit_Nothing(ia32_emit_env_t *env, const ir_node *node) {
+static
+void emit_Nothing(ia32_emit_env_t *env, const ir_node *node) {
}
* Enters the emitter functions for handled nodes into the generic
* pointer of an opcode.
*/
-static void ia32_register_emitters(void) {
+static
+void ia32_register_emitters(void) {
#define IA32_EMIT2(a,b) op_ia32_##a->ops.generic = (op_func)emit_ia32_##b
#define IA32_EMIT(a) IA32_EMIT2(a,a)
/**
* Emit the debug support for node node.
*/
-static void ia32_emit_dbg(ia32_emit_env_t *env, const ir_node *node) {
+static
+void ia32_emit_dbg(ia32_emit_env_t *env, const ir_node *node) {
dbg_info *db = get_irn_dbg_info(node);
unsigned lineno;
const char *fname = be_retrieve_dbg_info(db, &lineno);
}
if (last_line != lineno) {
char name[64];
- FILE *F = env->out;
snprintf(name, sizeof(name), ".LM%u", ++num);
last_line = lineno;
be_dbg_line(env->cg->birg->main_env->db_handle, lineno, name);
- fprintf(F, "%s:\n", name);
+ be_emit_string(env, name);
+ be_emit_cstring(env, ":\n");
+ be_emit_write_line(env);
}
}
}
/**
* Emits code for a node.
*/
-static void ia32_emit_node(ia32_emit_env_t *env, const ir_node *node) {
+static
+void ia32_emit_node(ia32_emit_env_t *env, const ir_node *node) {
ir_op *op = get_irn_op(node);
- DEBUG_ONLY(firm_dbg_module_t *mod = env->mod;)
- DBG((mod, LEVEL_1, "emitting code for %+F\n", node));
+ DBG((dbg, LEVEL_1, "emitting code for %+F\n", node));
if (op->ops.generic) {
emit_func_ptr func = (emit_func_ptr) op->ops.generic;
/**
* Emits gas alignment directives
*/
-static void ia32_emit_alignment(ia32_emit_env_t *env, unsigned align, unsigned skip) {
- ia32_emit_cstring(env, "\t.p2align ");
- ia32_emit_irprintf(env, "%u,,%u\n", align, skip);
- ia32_write_line(env);
+static
+void ia32_emit_alignment(ia32_emit_env_t *env, unsigned align, unsigned skip) {
+ be_emit_cstring(env, "\t.p2align ");
+ be_emit_irprintf(env->emit, "%u,,%u\n", align, skip);
+ be_emit_write_line(env);
}
/**
* Emits gas alignment directives for Functions depended on cpu architecture.
*/
-static void ia32_emit_align_func(ia32_emit_env_t *env, cpu_support cpu) {
+static
+void ia32_emit_align_func(ia32_emit_env_t *env, cpu_support cpu) {
unsigned align;
unsigned maximum_skip;
/**
* Emits gas alignment directives for Labels depended on cpu architecture.
*/
-static void ia32_emit_align_label(ia32_emit_env_t *env, cpu_support cpu) {
+static
+void ia32_emit_align_label(ia32_emit_env_t *env, cpu_support cpu) {
unsigned align; unsigned maximum_skip;
switch (cpu) {
ia32_emit_alignment(env, align, maximum_skip);
}
-static int is_first_loop_block(ia32_emit_env_t *env, ir_node *block, ir_node *prev_block) {
+static
+int is_first_loop_block(ia32_emit_env_t *env, ir_node *block, ir_node *prev_block) {
ir_exec_freq *exec_freq = env->cg->birg->exec_freq;
double block_freq, prev_freq;
static const double DELTA = .0001;
* Walks over the nodes in a block connected by scheduling edges
* and emits code for each node.
*/
-static void ia32_gen_block(ia32_emit_env_t *env, ir_node *block, ir_node *last_block) {
+static
+void ia32_gen_block(ia32_emit_env_t *env, ir_node *block, ir_node *last_block) {
ir_graph *irg = get_irn_irg(block);
ir_node *start_block = get_irg_start_block(irg);
int need_label = 1;
if (align)
ia32_emit_align_label(env, env->isa->opt_arch);
- ia32_emit_cstring(env, BLOCK_PREFIX);
- ia32_emit_irprintf(env, "%d:", get_irn_node_nr(block));
- ia32_pad_comment(env);
- ia32_emit_cstring(env, " /* preds:");
+ be_emit_cstring(env, BLOCK_PREFIX);
+ be_emit_irprintf(env->emit, "%d:", get_irn_node_nr(block));
+ be_emit_pad_comment(env);
+ be_emit_cstring(env, " /* preds:");
/* emit list of pred blocks in comment */
arity = get_irn_arity(block);
for (i = 0; i < arity; ++i) {
ir_node *predblock = get_Block_cfgpred_block(block, i);
- ia32_emit_irprintf(env, " %d", get_irn_node_nr(predblock));
+ be_emit_irprintf(env->emit, " %d", get_irn_node_nr(predblock));
}
if (exec_freq != NULL) {
- ia32_emit_irprintf(env, " freq: %f", get_block_execfreq(exec_freq, block));
+ be_emit_irprintf(env->emit, " freq: %f", get_block_execfreq(exec_freq, block));
}
- ia32_emit_cstring(env, " */\n");
- ia32_write_line(env);
+ be_emit_cstring(env, " */\n");
+ be_emit_write_line(env);
}
/* emit the contents of the block */
/**
* Emits code for function start.
*/
-static void ia32_emit_func_prolog(ia32_emit_env_t *env, ir_graph *irg) {
- FILE *F = env->out;
+static
+void ia32_emit_func_prolog(ia32_emit_env_t *env, ir_graph *irg) {
ir_entity *irg_ent = get_irg_entity(irg);
const char *irg_name = get_entity_ld_name(irg_ent);
cpu_support cpu = env->isa->opt_arch;
const be_irg_t *birg = env->cg->birg;
- fprintf(F, "\n");
- ia32_switch_section(F, SECTION_TEXT);
+ be_emit_write_line(env);
+ be_gas_emit_switch_section(env->emit, GAS_SECTION_TEXT);
be_dbg_method_begin(birg->main_env->db_handle, irg_ent, be_abi_get_stack_layout(birg->abi));
ia32_emit_align_func(env, cpu);
if (get_entity_visibility(irg_ent) == visibility_external_visible) {
- fprintf(F, ".globl %s\n", irg_name);
+ be_emit_cstring(env, ".global ");
+ be_emit_string(env, irg_name);
+ be_emit_char(env, '\n');
+ be_emit_write_line(env);
}
- ia32_dump_function_object(F, irg_name);
- fprintf(F, "%s:\n", irg_name);
+ ia32_emit_function_object(env, irg_name);
+ be_emit_string(env, irg_name);
+ be_emit_cstring(env, ":\n");
+ be_emit_write_line(env);
}
/**
* Emits code for function end
*/
-static void ia32_emit_func_epilog(ia32_emit_env_t *env, ir_graph *irg) {
+static
+void ia32_emit_func_epilog(ia32_emit_env_t *env, ir_graph *irg) {
const char *irg_name = get_entity_ld_name(get_irg_entity(irg));
const be_irg_t *birg = env->cg->birg;
- FILE *F = env->out;
- ia32_dump_function_size(F, irg_name);
+ ia32_emit_function_size(env, irg_name);
be_dbg_method_end(birg->main_env->db_handle);
- fprintf(F, "\n");
+ be_emit_char(env, '\n');
+ be_emit_write_line(env);
}
/**
* Block-walker:
* Sets labels for control flow nodes (jump target)
*/
-static void ia32_gen_labels(ir_node *block, void *data) {
+static
+void ia32_gen_labels(ir_node *block, void *data) {
ir_node *pred;
int n = get_Block_n_cfgpreds(block);
/**
* Main driver. Emits the code for one routine.
*/
-void ia32_gen_routine(ia32_code_gen_t *cg, FILE *F, ir_graph *irg) {
+void ia32_gen_routine(ia32_code_gen_t *cg, ir_graph *irg) {
ia32_emit_env_t env;
ir_node *block;
ir_node *last_block = NULL;
int i, n;
- struct obstack obst;
-
- obstack_init(&obst);
- env.out = F;
+ env.isa = (ia32_isa_t *)cg->arch_env->isa;
+ env.emit = &env.isa->emit;
env.arch_env = cg->arch_env;
env.cg = cg;
- env.isa = (ia32_isa_t *)cg->arch_env->isa;
- env.obst = &obst;
- env.linelength = 0;
- FIRM_DBG_REGISTER(env.mod, "firm.be.ia32.emitter");
-
- /* set the global arch_env (needed by print hooks) */
- arch_env = cg->arch_env;
ia32_register_emitters();
ia32_emit_func_epilog(&env, irg);
}
+
+void ia32_init_emitter(void)
+{
+ FIRM_DBG_REGISTER(dbg, "firm.be.ia32.emitter");
+}
projects / libfirm / blobdiff