Commit 5da0fab6 authored by Michael Beck's avatar Michael Beck
Browse files

Big Changes:

- reorganized most instructions to have _i and normal forms
- added support for shift-operand and condition
- removed unused double fp opcodes, use mode instead (not working yet)
- new constant create algorithm creates shorter sequences
- dumper now writes immediate operands
parent ced2f8e3
......@@ -33,6 +33,30 @@
static const arch_env_t *arch_env = NULL;
/**
* Switch to a new section
*/
void arm_switch_section(FILE *f, sections sec) {
static sections curr_sec = NO_SECTION;
if (curr_sec == sec)
return;
curr_sec = sec;
switch (sec) {
case NO_SECTION:
break;
case SECTION_TEXT:
fprintf(f, "\t.text\n");
break;
case SECTION_DATA:
fprintf(f, "\t.data\n");
break;
}
}
/*************************************************************
* _ _ __ _ _
......@@ -45,80 +69,51 @@ static const arch_env_t *arch_env = NULL;
* |_| |_|
*************************************************************/
/**
* Returns non-zero if a mode has a Immediate attribute.
*/
int is_immediate_node(ir_node *irn) {
if (is_arm_Add_i(irn) || is_arm_Sub_i(irn))
return 1;
if (is_arm_Shr_i(irn) || is_arm_Shr_i(irn) || is_arm_Shl_i(irn))
return 1;
if (is_arm_And_i(irn) || is_arm_Or_i(irn) || is_arm_Eor_i(irn))
return 1;
if (is_arm_Or_Shl_i(irn))
return 1;
return 0;
arm_attr_t *attr = get_arm_attr(irn);
return ARM_GET_SHF_MOD(attr) == ARM_SHF_IMM;
}
/**
* Return a const or symconst as string.
* Return a const or SymConst as string.
*/
static const char *node_const_to_str(ir_node *n) {
char buffer[SNPRINTF_BUF_LEN];
if ( is_immediate_node(n) ) {
long longvalue = get_tarval_long(get_arm_value(n));
char *str;
assert(longvalue < 0x1000 && "constant doesn't fit in shifter_operand");
snprintf(buffer, SNPRINTF_BUF_LEN - 1, "#%ld << %ld", longvalue & 0xff, (longvalue >> 8) << 1 );
str = xmalloc(strlen(buffer) * sizeof(char));
strcpy(str, buffer);
return str;
}
if ( is_arm_Const(n) || is_arm_Const_Neg(n) ) {
tarval *tv = get_arm_value(n);
if ( mode_is_int(get_tarval_mode(tv)) ) {
long longvalue = get_tarval_long(get_arm_value(n));
char *str;
assert(longvalue < 0x1000 && "constant doesn't fit in shifter_operand");
snprintf(buffer, SNPRINTF_BUF_LEN - 1, "#%ld << %ld", longvalue & 0xff, (longvalue >> 8) << 1 );
str = xmalloc(strlen(buffer) * sizeof(char));
strcpy(str, buffer);
return str;
} else {
return "found something else in arm_const";
}
} else if ( is_arm_SymConst(n) ) {
return get_arm_symconst_label(n);
} else {
assert( 0 && "das ist gar keine Konstante");
return NULL;
static const char *node_const_to_str(ir_node *n, char *buf, int buflen) {
if (is_immediate_node(n)) {
snprintf(buf, buflen, "#0x%X", arm_decode_imm_w_shift(get_arm_value(n)));
return buf;
}
else if (is_arm_SymConst(n))
return get_arm_symconst_label(n);
assert( 0 && "das ist gar keine Konstante");
return NULL;
}
/**
* Returns node's offset as string.
*/
static char *node_offset_to_str(ir_node *n) {
char buffer[SNPRINTF_BUF_LEN];
char *result;
static const char *node_offset_to_str(ir_node *n, char *buf, int buflen) {
int offset = 0;
ir_op *irn_op = get_irn_op(n);
if (irn_op == op_be_StackParam) {
entity *ent = be_get_frame_entity(n);
offset = get_entity_offset_bytes(ent);
} else if (irn_op==op_be_Reload || irn_op==op_be_Spill) {
} else if (irn_op == op_be_Reload || irn_op == op_be_Spill) {
entity * ent = be_get_spill_entity(n);
offset = get_entity_offset_bytes(ent);
} else if (irn_op==op_be_IncSP) {
} else if (irn_op == op_be_IncSP) {
int offs = be_get_IncSP_offset(n);
be_stack_dir_t dir = be_get_IncSP_direction(n);
offset = (dir == be_stack_dir_expand) ? -offs : offs;
} else {
return "node_offset_to_str will fuer diesen Knotentyp noch implementiert werden";
}
snprintf(buffer, SNPRINTF_BUF_LEN, "%d", offset);
result = xmalloc(sizeof(char)*(strlen(buffer) + 1));
strcpy(result, buffer);
return result;
snprintf(buf, buflen, "%d", offset);
return buf;
}
/* We always pass the ir_node which is a pointer. */
......@@ -142,12 +137,6 @@ static const arch_register_t *get_in_reg(const ir_node *irn, int pos) {
reg = arch_get_irn_register(arch_env, op);
/* ONLY TEMPORARY WORK-AROUND */
// if (!reg) {
// printf("FIXME\n");
// reg = &arm_general_purpose_regs[REG_MURX];
// }
assert(reg && "no in register found");
return reg;
}
......@@ -251,6 +240,7 @@ static int arm_get_reg_name(lc_appendable_t *app,
static int arm_const_to_str(lc_appendable_t *app,
const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
{
char buffer[SNPRINTF_BUF_LEN];
const char *buf;
ir_node *X = arg->v_ptr;
......@@ -258,17 +248,40 @@ static int arm_const_to_str(lc_appendable_t *app,
return lc_appendable_snadd(app, "(null)", 6);
if (occ->conversion == 'C') {
buf = node_const_to_str(X);
buf = node_const_to_str(X, buffer, sizeof(buffer));
}
else { /* 'O' */
buf = node_offset_to_str(X);
buf = node_offset_to_str(X, buffer, sizeof(buffer));
}
return lc_appendable_snadd(app, buf, strlen(buf));
}
/**
* Determines the SSE suffix depending on the mode.
* Returns the tarval or offset of an arm node as a string.
*/
static int arm_shift_str(lc_appendable_t *app,
const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
{
char buffer[SNPRINTF_BUF_LEN];
ir_node *X = arg->v_ptr;
arm_shift_modifier mod;
if (!X)
return lc_appendable_snadd(app, "(null)", 6);
mod = get_arm_shift_modifier(X);
if (ARM_HAS_SHIFT(mod)) {
long v = get_tarval_long(get_arm_value(X));
snprintf(buffer, sizeof(buffer), " %s #%ld", arm_shf_mod_name(mod), v);
return lc_appendable_snadd(app, buffer, strlen(buffer));
}
return 0;
}
/**
* Determines the instruction suffix depending on the mode.
*/
static int arm_get_mode_suffix(lc_appendable_t *app,
const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
......@@ -294,8 +307,9 @@ const lc_arg_env_t *arm_get_arg_env(void) {
static const lc_arg_handler_t arm_reg_handler = { arm_get_arg_type, arm_get_reg_name };
static const lc_arg_handler_t arm_const_handler = { arm_get_arg_type, arm_const_to_str };
static const lc_arg_handler_t arm_mode_handler = { arm_get_arg_type, arm_get_mode_suffix };
static const lc_arg_handler_t arm_shf_handler = { arm_get_arg_type, arm_shift_str };
if(env == NULL) {
if (env == NULL) {
/* extend the firm printer */
env = firm_get_arg_env();
//lc_arg_new_env();
......@@ -305,6 +319,7 @@ const lc_arg_env_t *arm_get_arg_env(void) {
lc_arg_register(env, "arm:cnst", 'C', &arm_const_handler);
lc_arg_register(env, "arm:offs", 'O', &arm_const_handler);
lc_arg_register(env, "arm:mode", 'M', &arm_mode_handler);
lc_arg_register(env, "arm:shf", 'X', &arm_shf_handler);
}
return env;
......@@ -314,7 +329,7 @@ const lc_arg_env_t *arm_get_arg_env(void) {
* Formated print of commands and comments.
*/
static void arm_fprintf_format(FILE *F, char *cmd_buf, char *cmnt_buf, ir_node *irn) {
lc_efprintf(arm_get_arg_env(), F, "\t%-35s %-60s /* %+F */\n", cmd_buf, cmnt_buf, irn);
lc_efprintf(arm_get_arg_env(), F, "\t%-35s %-60s /* %+F (%G) */\n", cmd_buf, cmnt_buf, irn, irn);
}
/*
......@@ -357,6 +372,16 @@ static void emit_arm_SymConst(ir_node *irn, void *env) {
lc_efprintf(arm_get_arg_env(), out, "\tLDR %1D, %s\t\t\t/* end of indirect SymConst */\n", irn, indi_label);
}
/**
* Returns the next block in a block schedule.
*/
static ir_node *sched_next_block(ir_node *block) {
return get_irn_link(block);
}
/**
* Emit a conditional jump.
*/
static void emit_arm_CondJmp(ir_node *irn, void *env) {
arm_emit_env_t *emit_env = env;
FILE *out = emit_env->out;
......@@ -370,9 +395,9 @@ static void emit_arm_CondJmp(ir_node *irn, void *env) {
char cmd_buf[SNPRINTF_BUF_LEN], cmnt_buf[SNPRINTF_BUF_LEN];
foreach_out_edge(irn, edge) {
ir_node* proj = get_edge_src_irn(edge);
long nr = get_Proj_proj(proj);
foreach_out_edge(irn, edge) {
ir_node *proj = get_edge_src_irn(edge);
long nr = get_Proj_proj(proj);
ir_node *block = get_irn_link(proj);
if ( nr == pn_Cond_true) {
true_block = block;
......@@ -381,13 +406,17 @@ static void emit_arm_CondJmp(ir_node *irn, void *env) {
} else {
assert(0 && "tertium non datur! (CondJmp)");
}
}
}
if (proj_num == pn_Cmp_False) {
/* always false: should not happen */
fprintf(out, "\tB BLOCK_%ld\t\t\t/* false case */\n", get_irn_node_nr(false_block));
} else if (proj_num == pn_Cmp_True) {
/* always true: should not happen */
fprintf(out, "\tB BLOCK_%ld\t\t\t/* true case */\n", get_irn_node_nr(true_block));
} else {
ir_node *block = get_nodes_block(irn);
if (mode_is_float(opmode)) {
suffix = "ICHWILLIMPLEMENTIERTWERDEN";
......@@ -398,15 +427,11 @@ static void emit_arm_CondJmp(ir_node *irn, void *env) {
lc_esnprintf(arm_get_arg_env(), cmd_buf, SNPRINTF_BUF_LEN, "FMSTAT", irn, irn);
lc_esnprintf(arm_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "/* FCSPR -> CPSR */");
arm_fprintf_format(out, cmd_buf, cmnt_buf, irn);
lc_esnprintf(arm_get_arg_env(), cmd_buf, SNPRINTF_BUF_LEN, "B%s BLOCK_%d", suffix, get_irn_node_nr(true_block));
lc_esnprintf(arm_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "/* true case */");
arm_fprintf_format(out, cmd_buf, cmnt_buf, irn);
lc_esnprintf(arm_get_arg_env(), cmd_buf, SNPRINTF_BUF_LEN, "B BLOCK_%d", get_irn_node_nr(false_block));
lc_esnprintf(arm_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "/* false case */");
arm_fprintf_format(out, cmd_buf, cmnt_buf, irn);
} else {
if (true_block == sched_next_block(block)) {
/* negate it */
proj_num = get_negated_pnc(proj_num, opmode);
}
switch(proj_num) {
case pn_Cmp_Eq: suffix = "EQ"; break;
case pn_Cmp_Lt: suffix = "LT"; break;
......@@ -415,21 +440,37 @@ static void emit_arm_CondJmp(ir_node *irn, void *env) {
case pn_Cmp_Ge: suffix = "GE"; break;
case pn_Cmp_Lg: suffix = "NE"; break;
case pn_Cmp_Leg: suffix = "AL"; break;
default: assert(0 && "komische Dinge geschehen");
default: assert(0 && "komische Dinge geschehen"); suffix = "AL";
}
lc_esnprintf(arm_get_arg_env(), cmd_buf, SNPRINTF_BUF_LEN, "CMP %1S, %2S", irn, irn);
lc_esnprintf(arm_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "/* Compare(%1S, %2S) -> CPSR */", irn, irn );
arm_fprintf_format(out, cmd_buf, cmnt_buf, irn);
}
if (true_block == sched_next_block(block)) {
lc_esnprintf(arm_get_arg_env(), cmd_buf, SNPRINTF_BUF_LEN, "B%s BLOCK_%d", suffix, get_irn_node_nr(true_block));
lc_esnprintf(arm_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "/* true case */");
arm_fprintf_format(out, cmd_buf, cmnt_buf, irn);
lc_esnprintf(arm_get_arg_env(), cmd_buf, SNPRINTF_BUF_LEN, "B BLOCK_%d", get_irn_node_nr(false_block));
lc_esnprintf(arm_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "/* false case */");
arm_fprintf_format(out, cmd_buf, cmnt_buf, irn);
lc_esnprintf(arm_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "/* fallthrough BLOCK_%d */", get_irn_node_nr(false_block));
arm_fprintf_format(out, "", cmnt_buf, irn);
}
else {
lc_esnprintf(arm_get_arg_env(), cmd_buf, SNPRINTF_BUF_LEN, "B%s BLOCK_%d", suffix, get_irn_node_nr(true_block));
lc_esnprintf(arm_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "/* true case */");
arm_fprintf_format(out, cmd_buf, cmnt_buf, irn);
if (false_block == sched_next_block(block)) {
lc_esnprintf(arm_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "/* fallthrough BLOCK_%d */", get_irn_node_nr(false_block));
arm_fprintf_format(out, "", cmnt_buf, irn);
}
else {
lc_esnprintf(arm_get_arg_env(), cmd_buf, SNPRINTF_BUF_LEN, "B BLOCK_%d", get_irn_node_nr(false_block));
lc_esnprintf(arm_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "/* false case */");
arm_fprintf_format(out, cmd_buf, cmnt_buf, irn);
}
}
}
}
......@@ -561,12 +602,19 @@ static void emit_arm_SwitchJmp(ir_node *irn, void *env) {
static void emit_be_Call(ir_node *irn, void *env) {
arm_emit_env_t *emit_env = env;
FILE *out = emit_env->out;
entity *target_entity = be_Call_get_entity(irn);
const char *target_name = get_entity_name(target_entity);
fprintf(out, "\tBL %s\t\t\t\t/* Call */\n", target_name);
FILE *F = emit_env->out;
entity *ent = be_Call_get_entity(irn);
char cmd_buf[SNPRINTF_BUF_LEN], cmnt_buf[SNPRINTF_BUF_LEN];
if (ent)
lc_esnprintf(arm_get_arg_env(), cmd_buf, SNPRINTF_BUF_LEN, "BL %s", get_entity_ld_name(ent));
else
lc_esnprintf(arm_get_arg_env(), cmd_buf, SNPRINTF_BUF_LEN, "%1D", get_irn_n(irn, be_pos_Call_ptr));
lc_esnprintf(arm_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "/* %+F (be_Call) */", irn);
lc_efprintf(arm_get_arg_env(), F, "\t%-35s %-60s /* %G */\n", cmd_buf, cmnt_buf, irn);
}
/** Emit an IncSP node */
static void emit_be_IncSP(const ir_node *irn, arm_emit_env_t *emit_env) {
FILE *F = emit_env->out;
unsigned offs = be_get_IncSP_offset(irn);
......@@ -576,10 +624,9 @@ static void emit_be_IncSP(const ir_node *irn, arm_emit_env_t *emit_env) {
lc_esnprintf(arm_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "/* IncSP(%O) */", irn);
lc_efprintf(arm_get_arg_env(), F, "\t%-35s %-60s /* %+F */\n", cmd_buf, cmnt_buf, irn);
} else {
char cmd_buf[SNPRINTF_BUF_LEN], cmnt_buf[SNPRINTF_BUF_LEN];
lc_esnprintf(arm_get_arg_env(), cmd_buf, SNPRINTF_BUF_LEN, "");
char cmnt_buf[SNPRINTF_BUF_LEN];
lc_esnprintf(arm_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "/* omitted IncSP(%O) */", irn);
lc_efprintf(arm_get_arg_env(), F, "\t%-35s %-60s /* %+F */\n", cmd_buf, cmnt_buf, irn);
lc_efprintf(arm_get_arg_env(), F, "\t%-35s %-60s /* %+F */\n", "", cmnt_buf, irn);
}
}
......@@ -597,27 +644,26 @@ static void emit_be_Copy(const ir_node *irn, arm_emit_env_t *emit_env) {
assert( (mode != mode_E) && "IEEE Extended FP not supported");
if (get_in_reg(irn, 0) == get_out_reg(irn, 0)) {
char cmd_buf[256], cmnt_buf[256];
lc_esnprintf(arm_get_arg_env(), cmd_buf, 256, "");
lc_esnprintf(arm_get_arg_env(), cmnt_buf, 256, "/* omitted Copy: %1S -> %1D */", irn, irn);
lc_efprintf(arm_get_arg_env(), F, "\t%-35s %-60s /* %+F */\n", cmd_buf, cmnt_buf, irn);
char cmnt_buf[SNPRINTF_BUF_LEN];
lc_esnprintf(arm_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "/* omitted Copy: %1S -> %1D */", irn, irn);
lc_efprintf(arm_get_arg_env(), F, "\t%-35s %-60s /* %+F */\n", "", cmnt_buf, irn);
return;
}
if (mode == mode_F) {
char cmd_buf[256], cmnt_buf[256];
lc_esnprintf(arm_get_arg_env(), cmd_buf, 256, "FCPYS %1D, %1S", irn, irn);
lc_esnprintf(arm_get_arg_env(), cmnt_buf, 256, "/* Copy: %1S -> %1D */", irn, irn);
char cmd_buf[SNPRINTF_BUF_LEN], cmnt_buf[SNPRINTF_BUF_LEN];
lc_esnprintf(arm_get_arg_env(), cmd_buf, SNPRINTF_BUF_LEN, "FCPYS %1D, %1S", irn, irn);
lc_esnprintf(arm_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "/* Copy: %1S -> %1D */", irn, irn);
lc_efprintf(arm_get_arg_env(), F, "\t%-35s %-60s /* %+F */\n", cmd_buf, cmnt_buf, irn);
} else if (mode == mode_D) {
char cmd_buf[256], cmnt_buf[256];
lc_esnprintf(arm_get_arg_env(), cmd_buf, 256, "FCPYD %1D, %1S", irn, irn);
lc_esnprintf(arm_get_arg_env(), cmnt_buf, 256, "/* Copy: %1S -> %1D */", irn, irn);
char cmd_buf[SNPRINTF_BUF_LEN], cmnt_buf[SNPRINTF_BUF_LEN];
lc_esnprintf(arm_get_arg_env(), cmd_buf, SNPRINTF_BUF_LEN, "FCPYD %1D, %1S", irn, irn);
lc_esnprintf(arm_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "/* Copy: %1S -> %1D */", irn, irn);
lc_efprintf(arm_get_arg_env(), F, "\t%-35s %-60s /* %+F */\n", cmd_buf, cmnt_buf, irn);
} else if (mode_is_numP(mode)) {
char cmd_buf[256], cmnt_buf[256];
lc_esnprintf(arm_get_arg_env(), cmd_buf, 256, "MOV %1D, %1S", irn, irn);
lc_esnprintf(arm_get_arg_env(), cmnt_buf, 256, "/* Copy: %1S -> %1D */", irn, irn);
char cmd_buf[SNPRINTF_BUF_LEN], cmnt_buf[SNPRINTF_BUF_LEN];
lc_esnprintf(arm_get_arg_env(), cmd_buf, SNPRINTF_BUF_LEN, "MOV %1D, %1S", irn, irn);
lc_esnprintf(arm_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "/* Copy: %1S -> %1D */", irn, irn);
lc_efprintf(arm_get_arg_env(), F, "\t%-35s %-60s /* %+F */\n", cmd_buf, cmnt_buf, irn);
} else {
assert(0 && "move not supported for this mode");
......@@ -630,9 +676,9 @@ static void emit_be_Spill(const ir_node *irn, arm_emit_env_t *emit_env) {
ir_mode *mode = get_irn_mode(irn);
assert( (mode != mode_E) && "IEEE Extended FP not supported");
if (mode_is_dataM(mode)) {
char cmd_buf[256], cmnt_buf[256];
lc_esnprintf(arm_get_arg_env(), cmd_buf, 256, "STR %2S, [%1S, #%O]", irn, irn, irn );
lc_esnprintf(arm_get_arg_env(), cmnt_buf, 256, "/* Spill(%2S) -> (%1S) */", irn, irn);
char cmd_buf[SNPRINTF_BUF_LEN], cmnt_buf[SNPRINTF_BUF_LEN];
lc_esnprintf(arm_get_arg_env(), cmd_buf, SNPRINTF_BUF_LEN, "STR %2S, [%1S, #%O]", irn, irn, irn );
lc_esnprintf(arm_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "/* Spill(%2S) -> (%1S) */", irn, irn);
lc_efprintf(arm_get_arg_env(), F, "\t%-35s %-60s /* %+F */\n", cmd_buf, cmnt_buf, irn);
} else {
assert(0 && "spill not supported for this mode");
......@@ -644,9 +690,9 @@ static void emit_be_Reload(const ir_node* irn, arm_emit_env_t *emit_env) {
ir_mode *mode = get_irn_mode(irn);
assert( (mode != mode_E) && "IEEE Extended FP not supported");
if (mode_is_dataM(mode)) {
char cmd_buf[256], cmnt_buf[256];
lc_esnprintf(arm_get_arg_env(), cmd_buf, 256, "LDR %1D, [%1S, #%O]", irn, irn, irn );
lc_esnprintf(arm_get_arg_env(), cmnt_buf, 256, "/* Reload(%1S) -> (%1D) */", irn, irn);
char cmd_buf[SNPRINTF_BUF_LEN], cmnt_buf[SNPRINTF_BUF_LEN];
lc_esnprintf(arm_get_arg_env(), cmd_buf, SNPRINTF_BUF_LEN, "LDR %1D, [%1S, #%O]", irn, irn, irn );
lc_esnprintf(arm_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "/* Reload(%1S) -> (%1D) */", irn, irn);
lc_efprintf(arm_get_arg_env(), F, "\t%-35s %-60s /* %+F */\n", cmd_buf, cmnt_buf, irn);
} else {
assert(0 && "reload not supported for this mode");
......@@ -665,11 +711,11 @@ static void emit_be_Perm(const ir_node* irn, arm_emit_env_t *emit_env) {
static void emit_be_StackParam(const ir_node *irn, arm_emit_env_t *emit_env) {
FILE *F = emit_env->out;
ir_mode *mode = get_irn_mode(irn);
char cmd_buf[256], cmnt_buf[256];
char cmd_buf[256], cmnt_buf[SNPRINTF_BUF_LEN];
assert( (mode != mode_E) && "IEEE Extended FP not supported");
lc_esnprintf(arm_get_arg_env(), cmd_buf, 256, "LDR %1D, [%1S, #%O]", irn, irn, irn );
lc_esnprintf(arm_get_arg_env(), cmnt_buf, 256, "/* StackParam: (%1S + %O) -> %1D */",irn , irn, irn, get_irn_n(irn, 0));
lc_esnprintf(arm_get_arg_env(), cmd_buf, SNPRINTF_BUF_LEN, "LDR %1D, [%1S, #%O]", irn, irn, irn );
lc_esnprintf(arm_get_arg_env(), cmnt_buf, SNPRINTF_BUF_LEN, "/* StackParam: (%1S + %O) -> %1D */",irn , irn, irn, get_irn_n(irn, 0));
lc_efprintf(arm_get_arg_env(), F, "\t%-35s %-60s /* %+F */\n", cmd_buf, cmnt_buf, irn);
}
......@@ -707,7 +753,7 @@ static void emit_silence(ir_node *irn, void *env) {
*/
static void arm_register_emitters(void) {
#define ARM_EMIT(a) op_arm_##a->ops.generic = (op_func)emit_arm_##a
#define ARM_EMIT(a) op_arm_##a->ops.generic = (op_func)emit_arm_##a
#define EMIT(a) op_##a->ops.generic = (op_func)emit_##a
#define BE_EMIT(a) op_be_##a->ops.generic = (op_func)emit_be_##a
#define SILENCE(a) op_##a->ops.generic = (op_func)emit_silence
......@@ -719,9 +765,8 @@ static void arm_register_emitters(void) {
arm_register_spec_emitters();
/* other emitter functions */
ARM_EMIT(CondJmp);
// ARM_EMIT(SwitchJmp);
ARM_EMIT(CopyB);
ARM_EMIT(CondJmp);
ARM_EMIT(CopyB);
// ARM_EMIT(CopyB_i);
// ARM_EMIT(Const);
ARM_EMIT(SymConst);
......@@ -738,13 +783,14 @@ static void arm_register_emitters(void) {
BE_EMIT(StackParam);
/* firm emitter */
EMIT(Jmp);
EMIT(Jmp);
/* noisy stuff */
#ifdef SILENCER
SILENCE(Proj);
SILENCE(Phi);
SILENCE(Proj);
SILENCE(Phi);
SILENCE(be_Keep);
SILENCE(be_CopyKeep);
#endif
#undef ARM_EMIT
......@@ -753,23 +799,25 @@ static void arm_register_emitters(void) {
#undef SILENCE
}
typedef void (node_emitter)(const ir_node *, void *);
/**
* Emits code for a node.
*/
static void arm_emit_node(const ir_node *irn, void *env) {
arm_emit_env_t *emit_env = env;
FILE *F = emit_env->out;
ir_op *op = get_irn_op(irn);
DEBUG_ONLY(firm_dbg_module_t *mod = emit_env->mod;)
arm_emit_env_t *emit_env = env;
FILE *F = emit_env->out;
ir_op *op = get_irn_op(irn);
DEBUG_ONLY(firm_dbg_module_t *mod = emit_env->mod;)
DBG((mod, LEVEL_1, "emitting code for %+F\n", irn));
if (op->ops.generic) {
void (*emit)(const ir_node *, void *) = (void (*)(const ir_node *, void *))op->ops.generic;
(*emit)(irn, env);
node_emitter *emit = (node_emitter *)op->ops.generic;
emit(irn, env);
}
else {
ir_fprintf(F, "\t\t\t\t\t/* %+F */\n", irn);
ir_fprintf(F, "\t%-35s /* %+F %G */\n", "", irn, irn);
}
}
......@@ -780,9 +828,6 @@ static void arm_emit_node(const ir_node *irn, void *env) {
void arm_gen_block(ir_node *block, void *env) {
ir_node *irn;
if (! is_Block(block))
return;
fprintf(((arm_emit_env_t *)env)->out, "BLOCK_%ld:\n", get_irn_node_nr(block));
sched_foreach(block, irn) {
arm_emit_node(irn, env);
......@@ -794,10 +839,13 @@ void arm_gen_block(ir_node *block, void *env) {
* Emits code for function start.
*/
void arm_emit_start(FILE *F, ir_graph *irg) {
const char *irg_name = get_entity_name(get_irg_entity(irg));
fprintf(F, "\t.text\n");
entity *ent = get_irg_entity(irg);
const char *irg_name = get_entity_ld_name(ent);
arm_switch_section(F, SECTION_TEXT);
fprintf(F, "\t.align 2\n");
fprintf(F, "\t.global %s\n", irg_name);
if (get_entity_visibility(ent) == visibility_external_visible)
fprintf(F, "\t.global %s\n", irg_name);
fprintf(F, "%s:\n", irg_name);
}
......@@ -823,10 +871,12 @@ void arm_gen_labels(ir_node *block, void *env) {
/**
* Main driver
* Main driver. Emits the code for one routine.
*/
void arm_gen_routine(FILE *F, ir_graph *irg, const arm_code_gen_t *cg) {
arm_emit_env_t emit_env;
ir_node **blk_sched;
int i, n;
emit_env.out = F;
emit_env.arch_env = cg->arch_env;
......@@ -838,8 +888,24 @@ void arm_gen_routine(FILE *F, ir_graph *irg, const arm_code_gen_t *cg) {
arm_register_emitters();
/* create the block schedule. For now, we don't need it earlier. */
blk_sched = sched_create_block_schedule(cg->irg);
arm_emit_start(F, irg);
irg_block_walk_graph(irg, arm_gen_labels, NULL, &emit_env);
irg_walk_blkwise_graph(irg, NULL, arm_gen_block, &emit_env);
n = ARR_LEN(blk_sched);
for (i = 0; i < n;) {
ir_node *block, *next_bl;
block = blk_sched[i];
++i;
next_bl = i < n ? blk_sched[i] : NULL;
/* set here the link. the emitter expects to find the next block here */
set_irn_link(block, next_bl);
arm_gen_block(block, &emit_env);
}
arm_emit_end(F, irg);
}
#ifndef _arm_EMITTER_H_
#define _arm_EMITTER_H_
#ifndef _ARM_EMITTER_H_
#define _ARM_EMITTER_H_
#include "irargs_t.h" // this also inlucdes <libcore/lc_print.h>
#include "irnode.h"
......@@ -12,8 +12,8 @@
typedef struct _arm_emit_env_t {
FILE *out;
const arch_env_t *arch_env;
const arm_code_gen_t *cg;
DEBUG_ONLY(firm_dbg_module_t *mod;)
const arm_code_gen_t *cg;
DEBUG_ONLY(firm_dbg_module_t *mod;)
} arm_emit_env_t;
const lc_arg_env_t *arm_get_arg_env(void);
......@@ -25,4 +25,17 @@ const char *get_arm_in_reg_name(ir_node *irn, int pos);
void arm_gen_routine(FILE *F, ir_graph *irg, const arm_code_gen_t *cg);