*/
static const char *get_ia32_reg_name(ir_node *irn, int pos, enum io_direction in_out) {
const arch_register_t *reg;
+ const char *name;
+ static char *buf = NULL;
+ int len;
if (in_out == IN_REG) {
reg = get_in_reg(irn, pos);
reg = get_out_reg(irn, pos);
}
- return arch_register_get_name(reg);
+ name = arch_register_get_name(reg);
+
+ if (buf) {
+ free(buf);
+ }
+
+ len = strlen(name) + 2;
+ buf = xcalloc(1, len);
+
+ snprintf(buf, len, "%%%s", name);
+
+ return buf;
}
/**
int nr = occ->width - 1;
if (!X)
- return lc_arg_append(app, occ, "(null)", 6);
+ return lc_appendable_snadd(app, "(null)", 6);
buf = get_ia32_reg_name(X, nr, occ->conversion == 'S' ? IN_REG : OUT_REG);
- return lc_arg_append(app, occ, buf, strlen(buf));
+ return lc_appendable_snadd(app, buf, strlen(buf));
}
/**
buf = get_ia32_am_offs(X);
}
- return buf ? lc_arg_append(app, occ, buf, strlen(buf)) : 0;
+ return buf ? lc_appendable_snadd(app, buf, strlen(buf)) : 0;
}
/**
return lc_appendable_chadd(app, get_mode_size_bits(mode) == 32 ? 's' : 'd');
}
else {
-
return lc_appendable_chadd(app, mode_is_signed(mode) ? 's' : 'z');
}
}
in = out ? (REGS_ARE_EQUAL(out, in2) ? in1 : in2) : in2;
out = out ? out : in1;
- snprintf(buf, SNPRINTF_BUF_LEN, "%s, %s", \
+ snprintf(buf, SNPRINTF_BUF_LEN, "%%%s, %%%s", \
arch_register_get_name(out), arch_register_get_name(in));
}
break;
break;
}
- lc_esnprintf(ia32_get_arg_env(), buf, SNPRINTF_BUF_LEN, "%s, %s", ia32_emit_am(n, env), reg_name);
+ lc_esnprintf(ia32_get_arg_env(), buf, SNPRINTF_BUF_LEN, "%s, %%%s", ia32_emit_am(n, env), reg_name);
}
break;
default:
if (mode) {
switch (get_mode_size_bits(mode)) {
case 8:
- obstack_printf(obst, "BYTE ");
+ obstack_printf(obst, "BYTE PTR ");
break;
case 16:
- obstack_printf(obst, "WORD ");
+ obstack_printf(obst, "WORD PTR ");
+ break;
+ case 32:
+ obstack_printf(obst, "DWORD PTR ");
break;
default:
break;
* positive conditions for unsigned compares
*/
static const struct cmp2conditon_t cmp2condition_u[] = {
- { NULL, pn_Cmp_False }, /* always false */
- { "e", pn_Cmp_Eq }, /* == */
- { "b", pn_Cmp_Lt }, /* < */
- { "be", pn_Cmp_Le }, /* <= */
- { "a", pn_Cmp_Gt }, /* > */
- { "ae", pn_Cmp_Ge }, /* >= */
- { "ne", pn_Cmp_Lg }, /* != */
- { "ordered", pn_Cmp_Leg }, /* Floating point: ordered */
- { "unordered", pn_Cmp_Uo }, /* FLoting point: unordered */
- { "unordered or ==", pn_Cmp_Ue }, /* Floating point: unordered or == */
- { "unordered or <", pn_Cmp_Ul }, /* Floating point: unordered or < */
- { "unordered or <=", pn_Cmp_Ule }, /* Floating point: unordered or <= */
- { "unordered or >", pn_Cmp_Ug }, /* Floating point: unordered or > */
- { "unordered or >=", pn_Cmp_Uge }, /* Floating point: unordered or >= */
- { "unordered or !=", pn_Cmp_Ne }, /* Floating point: unordered or != */
- { NULL, pn_Cmp_True }, /* always true */
+ { NULL, pn_Cmp_False }, /* always false */
+ { "e", pn_Cmp_Eq }, /* == */
+ { "b", pn_Cmp_Lt }, /* < */
+ { "be", pn_Cmp_Le }, /* <= */
+ { "a", pn_Cmp_Gt }, /* > */
+ { "ae", pn_Cmp_Ge }, /* >= */
+ { "ne", pn_Cmp_Lg }, /* != */
+ { "ordered", pn_Cmp_Leg }, /* Floating point: ordered */
+ { "unordered", pn_Cmp_Uo }, /* FLoting point: unordered */
+ { "unordered or ==", pn_Cmp_Ue }, /* Floating point: unordered or == */
+ { "unordered or <", pn_Cmp_Ul }, /* Floating point: unordered or < */
+ { "unordered or <=", pn_Cmp_Ule }, /* Floating point: unordered or <= */
+ { "unordered or >", pn_Cmp_Ug }, /* Floating point: unordered or > */
+ { "unordered or >=", pn_Cmp_Uge }, /* Floating point: unordered or >= */
+ { "unordered or !=", pn_Cmp_Ne }, /* Floating point: unordered or != */
+ { NULL, pn_Cmp_True }, /* always true */
};
/*
static int have_block_sched = 0;
/** Return the next block in Block schedule */
static ir_node *next_blk_sched(const ir_node *block) {
- return have_block_sched ? get_irn_link(block) : NULL;
+ return have_block_sched ? get_irn_link(block) : NULL;
}
/**
if (edge) {
proj2 = get_edge_src_irn(edge);
assert(is_Proj(proj2) && "CondJmp with a non-Proj");
- }
+ }
/* for now, the code works for scheduled and non-schedules blocks */
block = get_nodes_block(irn);
snprintf(cmd_buf, SNPRINTF_BUF_LEN, "j%s %s",
get_cmp_suffix(get_ia32_pncode(irn), !mode_is_signed(get_irn_mode(get_irn_n(irn, 0)))),
get_cfop_target(proj1, buf));
- snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "; cmp(a, b) == TRUE");
+ snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "/* cmp(a, b) == TRUE */");
}
else {
snprintf(cmd_buf, SNPRINTF_BUF_LEN, "j%s %s",
get_cmp_suffix(get_negated_pnc(get_ia32_pncode(irn), mode),
!mode_is_signed(get_irn_mode(get_irn_n(irn, 0)))),
get_cfop_target(proj1, buf));
- snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "; cmp(a, b) == FALSE");
+ snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "/* cmp(a, b) == FALSE */");
}
IA32_DO_EMIT;
if (proj2) {
if (get_cfop_target_block(proj2) != next_bl) {
snprintf(cmd_buf, SNPRINTF_BUF_LEN, "jmp %s", get_cfop_target(proj2, buf));
- snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "; otherwise");
+ snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "/* otherwise */");
}
else {
cmd_buf[0] = '\0';
- snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "; fallthrogh %s", get_cfop_target(proj2, buf));
+ snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "/* fallthrogh %s */", get_cfop_target(proj2, buf));
}
IA32_DO_EMIT;
}
char cmnt_buf[SNPRINTF_BUF_LEN];
snprintf(cmd_buf, SNPRINTF_BUF_LEN, "cmp %s", ia32_emit_binop(irn, env));
- lc_esnprintf(ia32_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "; %+F", irn);
+ lc_esnprintf(ia32_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "/* %+F */", irn);
IA32_DO_EMIT;
finish_CondJmp(F, irn, get_irn_mode(get_irn_n(irn, 2)));
}
* Emits code for conditional test and jump.
*/
static void TestJmp_emitter(const ir_node *irn, ia32_emit_env_t *env) {
- FILE *F = env->out;
- char cmd_buf[SNPRINTF_BUF_LEN];
- char cmnt_buf[SNPRINTF_BUF_LEN];
+ FILE *F = env->out;
const char *op1 = arch_register_get_name(get_in_reg(irn, 0));
- const char *op2 = get_ia32_cnst(irn);
+ const char *op2 = get_ia32_cnst(irn);
+ char cmd_buf[SNPRINTF_BUF_LEN];
+ char cmnt_buf[SNPRINTF_BUF_LEN];
- if (! op2)
+ if (! op2)
op2 = arch_register_get_name(get_in_reg(irn, 1));
- snprintf(cmd_buf, SNPRINTF_BUF_LEN, "test %s, %s ", op1, op2);
- lc_esnprintf(ia32_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "; %+F", irn);
+ snprintf(cmd_buf, SNPRINTF_BUF_LEN, "test %%%s,%s%s ", op1, get_ia32_cnst(irn) ? " " : " %", op2);
+ lc_esnprintf(ia32_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "/* %+F */", irn);
IA32_DO_EMIT;
finish_CondJmp(F, irn, get_irn_mode(get_irn_n(irn, 0)));
}
if (tbl.min_value != 0) {
lc_esnprintf(env, cmd_buf, SNPRINTF_BUF_LEN, "cmpl %lu, -%d(%1S)",
interval, tbl.min_value, irn);
- snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "; first switch value is not 0");
+ snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "/* first switch value is not 0 */");
IA32_DO_EMIT;
}
else {
lc_esnprintf(env, cmd_buf, SNPRINTF_BUF_LEN, "cmpl %lu, %1S", interval, irn);
- snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "; compare for switch");
+ snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "/* compare for switch */");
IA32_DO_EMIT;
}
snprintf(cmd_buf, SNPRINTF_BUF_LEN, "ja %s", get_cfop_target(tbl.defProj, buf));
- snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "; default jump if out of range ");
+ snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "/* default jump if out of range */");
IA32_DO_EMIT;
if (tbl.num_branches > 1) {
/* create table */
lc_esnprintf(env, cmd_buf, SNPRINTF_BUF_LEN, "jmp [%1S*4+%s]", irn, tbl.label);
- snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "; get jump table entry as target");
+ snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "/* get jump table entry as target */");
IA32_DO_EMIT;
fprintf(F, "\t.section\t.rodata\n");
for (i = 1; i < tbl.num_branches; ++i) {
while (++last_value < tbl.branches[i].value) {
snprintf(cmd_buf, SNPRINTF_BUF_LEN, ".long %s", get_cfop_target(tbl.defProj, buf));
- snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "; default case");
+ snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "/* default case */");
IA32_DO_EMIT;
}
snprintf(cmd_buf, SNPRINTF_BUF_LEN, ".long %s", get_cfop_target(tbl.branches[i].target, buf), last_value);
- snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "; case %d", last_value);
+ snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "/* case %d */", last_value);
IA32_DO_EMIT;
}
else {
/* one jump is enough */
snprintf(cmd_buf, SNPRINTF_BUF_LEN, "jmp %s", get_cfop_target(tbl.branches[0].target, buf));
- snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "; only one case given");
+ snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "/* only one case given */");
IA32_DO_EMIT;
}
}
else { // no jump table
for (i = 0; i < tbl.num_branches; ++i) {
lc_esnprintf(env, cmd_buf, SNPRINTF_BUF_LEN, "cmpl %d, %1S", tbl.branches[i].value, irn);
- snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "; case %d", i);
+ snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "/* case %d */", i);
IA32_DO_EMIT;
fprintf(F, "\tje %s\n", get_cfop_target(tbl.branches[i].target, buf));
}
snprintf(cmd_buf, SNPRINTF_BUF_LEN, "jmp %s", get_cfop_target(tbl.defProj, buf));
- snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "; default case");
+ snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "/* default case */");
IA32_DO_EMIT;
}
next_bl = next_blk_sched(block);
if (get_cfop_target_block(irn) != next_bl) {
snprintf(cmd_buf, SNPRINTF_BUF_LEN, "jmp %s", get_cfop_target(irn, buf));
- lc_esnprintf(ia32_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "; %+F(%+F)", irn, get_cfop_target_block(irn));
+ lc_esnprintf(ia32_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "/* %+F(%+F) */", irn, get_cfop_target_block(irn));
}
else {
cmd_buf[0] = '\0';
- lc_esnprintf(ia32_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "; fallthrough %s", get_cfop_target(irn, buf));
+ lc_esnprintf(ia32_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "/* fallthrough %s */", get_cfop_target(irn, buf));
}
IA32_DO_EMIT;
}
switch(rem) {
case 1:
snprintf(cmd_buf, SNPRINTF_BUF_LEN, "movsb");
- snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "; memcopy remainder 1");
+ snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "/* memcopy remainder 1 */");
break;
case 2:
snprintf(cmd_buf, SNPRINTF_BUF_LEN, "movsw");
- snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "; memcopy remainder 2");
+ snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "/* memcopy remainder 2 */");
break;
case 3:
snprintf(cmd_buf, SNPRINTF_BUF_LEN, "movsb");
- snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "; memcopy remainder 3");
+ snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "/* memcopy remainder 3 */");
IA32_DO_EMIT;
snprintf(cmd_buf, SNPRINTF_BUF_LEN, "movsw");
- snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "; memcopy remainder 3");
+ snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "/* memcopy remainder 3 */");
break;
}
emit_CopyB_prolog(F, rem, size);
snprintf(cmd_buf, SNPRINTF_BUF_LEN, "rep movsd");
- snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "; memcopy");
+ snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "/* memcopy */");
IA32_DO_EMIT;
}
size >>= 2;
while (size--) {
snprintf(cmd_buf, SNPRINTF_BUF_LEN, "movsd");
- snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "; memcopy unrolled");
+ snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "/* memcopy unrolled */");
IA32_DO_EMIT;
}
}
}
snprintf(cmd_buf, SNPRINTF_BUF_LEN, "cvt%s2%s %s", from, to, buf);
- lc_esnprintf(env, cmnt_buf, SNPRINTF_BUF_LEN, "; %+F(%+F, %+F)", irn, src_mode, tgt_mode);
+ lc_esnprintf(env, cmnt_buf, SNPRINTF_BUF_LEN, "/* %+F(%+F, %+F) */", irn, src_mode, tgt_mode);
IA32_DO_EMIT;
}
lc_esnprintf(ia32_get_arg_env(), cmd_buf, SNPRINTF_BUF_LEN, "%1D", get_irn_n(irn, be_pos_Call_ptr));
}
- lc_esnprintf(ia32_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "; %+F (be_Call)", irn);
+ lc_esnprintf(ia32_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "/* %+F (be_Call) */", irn);
IA32_DO_EMIT;
}
if (offs) {
lc_esnprintf(ia32_get_arg_env(), cmd_buf, SNPRINTF_BUF_LEN, "add %1S,%s%u", irn,
(dir == be_stack_dir_along) ? " -" : " ", offs);
- lc_esnprintf(ia32_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "; %+F (IncSP)", irn);
+ lc_esnprintf(ia32_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "/* %+F (IncSP) */", irn);
}
else {
snprintf(cmd_buf, SNPRINTF_BUF_LEN, " ");
- lc_esnprintf(ia32_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "; omitted %+F (IncSP) with 0", irn);
+ lc_esnprintf(ia32_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "/* omitted %+F (IncSP) with 0 */", irn);
}
IA32_DO_EMIT;
char cmd_buf[SNPRINTF_BUF_LEN], cmnt_buf[SNPRINTF_BUF_LEN];
lc_esnprintf(ia32_get_arg_env(), cmd_buf, SNPRINTF_BUF_LEN, "mov %1D, %3S", irn, irn);
- lc_esnprintf(ia32_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "; %+F (restore SP)", irn);
+ lc_esnprintf(ia32_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "/* %+F (restore SP) */", irn);
IA32_DO_EMIT;
}
char cmd_buf[SNPRINTF_BUF_LEN], cmnt_buf[SNPRINTF_BUF_LEN];
lc_esnprintf(ia32_get_arg_env(), cmd_buf, SNPRINTF_BUF_LEN, "mov %1D, %1S", irn, irn);
- lc_esnprintf(ia32_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "; %+F", irn);
+ lc_esnprintf(ia32_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "/* %+F */", irn);
IA32_DO_EMIT;
}
char cmd_buf[SNPRINTF_BUF_LEN], cmnt_buf[SNPRINTF_BUF_LEN];
lc_esnprintf(ia32_get_arg_env(), cmd_buf, SNPRINTF_BUF_LEN, "xchg %1S, %2S", irn, irn);
- lc_esnprintf(ia32_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "; %+F(%1A, %2A)", irn, irn, irn);
+ lc_esnprintf(ia32_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "/* %+F(%1A, %2A) */", irn, irn, irn);
IA32_DO_EMIT;
}
(*emit)(irn, env);
}
else {
- ir_fprintf(F, "\t%35s ; %+F \n", " ", irn);
+ ir_fprintf(F, "\t%35s /* %+F */\n", " ", irn);
}
}
entity *irg_ent = get_irg_entity(irg);
const char *irg_name = get_entity_name(irg_ent);
- fprintf(F, "\tsection .text\n");
+ fprintf(F, "\t.text\n");
if (get_entity_visibility(irg_ent) == visibility_external_visible) {
- fprintf(F, "global %s\n", irg_name);
+ fprintf(F, ".globl %s\n", irg_name);
}
-// fprintf(F, "\t.type\t%s, @function\n", irg_name);
+ fprintf(F, "\t.type\t%s, @function\n", irg_name);
fprintf(F, "%s:\n", irg_name);
}
static void ia32_emit_func_epilog(FILE *F, ir_graph *irg) {
const char *irg_name = get_entity_name(get_irg_entity(irg));
- fprintf(F, "\tret\n\n");
- //printf(F, "\t.size\t%s, .-%s\n\n", irg_name, irg_name);
+ fprintf(F, "\tret\n");
+ fprintf(F, "\t.size\t%s, .-%s\n\n", irg_name, irg_name);
}
/**
}
typedef struct {
- ir_node *start;
- ir_node *end;
+ ir_node *start;
+ ir_node *end;
} anchor;
/**
* Ext-Block walker: create a block schedule
*/
static void create_block_list(ir_extblk *blk, void *env) {
- anchor *list = env;
- int i, n;
-
- for (i = 0, n = get_extbb_n_blocks(blk); i < n; ++i) {
- ir_node *block = get_extbb_block(blk, i);
-
- set_irn_link(block, NULL);
- if (list->start)
- set_irn_link(list->end, block);
- else
- list->start = block;
- list->end = block;
- }
+ anchor *list = env;
+ int i, n;
+
+ for (i = 0, n = get_extbb_n_blocks(blk); i < n; ++i) {
+ ir_node *block = get_extbb_block(blk, i);
+
+ set_irn_link(block, NULL);
+ if (list->start)
+ set_irn_link(list->end, block);
+ else
+ list->start = block;
+
+ list->end = block;
+ }
}
/**
*/
void ia32_gen_routine(FILE *F, ir_graph *irg, const ia32_code_gen_t *cg) {
ia32_emit_env_t emit_env;
- anchor list;
- ir_node *block;
+ anchor list;
+ ir_node *block;
emit_env.mod = firm_dbg_register("ir.be.codegen.ia32");
emit_env.out = F;
irg_block_walk_graph(irg, ia32_gen_labels, NULL, &emit_env);
#if 0
- have_block_sched = 0;
+ have_block_sched = 0;
irg_block_walk_graph(irg, NULL, ia32_gen_block, &emit_env);
#else
- compute_extbb(irg);
+ compute_extbb(irg);
- list.start = NULL;
- list.end = NULL;
- irg_extblock_walk_graph(irg, NULL, create_block_list, &list);
+ list.start = NULL;
+ list.end = NULL;
+ irg_extblock_walk_graph(irg, NULL, create_block_list, &list);
- have_block_sched = 1;
- for (block = list.start; block; block = get_irn_link(block))
- ia32_gen_block(block, &emit_env);
+ have_block_sched = 1;
+ for (block = list.start; block; block = get_irn_link(block))
+ ia32_gen_block(block, &emit_env);
#endif
ia32_emit_func_epilog(F, irg);
projects / libfirm / blobdiff