X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fana%2Fexecution_frequency.c;h=a005f4dcd1fef5c0ac0dcd05e06895c333520968;hb=e775a978fff2841e0722c47f13545b54d48b8f98;hp=b11f178371777e7e542110918ef1436efd5eef63;hpb=0fbcef83aa6060534172bb13e71cdadb04428806;p=libfirm diff --git a/ir/ana/execution_frequency.c b/ir/ana/execution_frequency.c index b11f17837..a005f4dcd 100644 --- a/ir/ana/execution_frequency.c +++ b/ir/ana/execution_frequency.c @@ -28,10 +28,10 @@ #include "execution_frequency.h" -#include "firm_common_t.h" #include "set.h" #include "pdeq.h" #include "hashptr.h" +#include "error.h" #include "irprog_t.h" #include "irgraph_t.h" @@ -57,7 +57,8 @@ typedef struct { /* We use this set for all nodes in all irgraphs. */ static set *exec_freq_set = NULL; -static int exec_freq_cmp(const void *e1, const void *e2, size_t size) { +static int exec_freq_cmp(const void *e1, const void *e2, size_t size) +{ reg_exec_freq *ef1 = (reg_exec_freq *)e1; reg_exec_freq *ef2 = (reg_exec_freq *)e2; (void) size; @@ -65,23 +66,26 @@ static int exec_freq_cmp(const void *e1, const void *e2, size_t size) { return (ef1->reg != ef2->reg); } -static INLINE unsigned int exec_freq_hash(reg_exec_freq *e) { +static inline unsigned int exec_freq_hash(reg_exec_freq *e) +{ return HASH_PTR(e->reg); } -static INLINE void set_region_exec_freq(void *reg, double freq) { +static inline void set_region_exec_freq(void *reg, double freq) +{ reg_exec_freq ef; ef.reg = reg; ef.freq = freq; set_insert(exec_freq_set, &ef, sizeof(ef), exec_freq_hash(&ef)); } -double get_region_exec_freq(void *reg) { +double get_region_exec_freq(void *reg) +{ reg_exec_freq ef, *found; ef.reg = reg; assert(exec_freq_set); - found = set_find(exec_freq_set, &ef, sizeof(ef), exec_freq_hash(&ef)); + found = (reg_exec_freq*) set_find(exec_freq_set, &ef, sizeof(ef), exec_freq_hash(&ef)); /* Not found if information is invalid. */ if (found) @@ -91,11 +95,13 @@ double get_region_exec_freq(void *reg) { } /* Returns the number of times the block is executed. */ -double get_Block_exec_freq(ir_node *b) { +double get_Block_exec_freq(ir_node *b) +{ return get_region_exec_freq((void *)b); } -double get_irn_exec_freq(ir_node *n) { +double get_irn_exec_freq(ir_node *n) +{ if (!is_Block(n)) n = get_nodes_block(n); return get_Block_exec_freq(n); } @@ -125,18 +131,20 @@ static int just_passed_a_Raise = 0; static ir_node *Cond_list = NULL; /* We do not use an extra set, as Projs are not yet in the existing one. */ -void set_ProjX_probability(ir_node *n, Cond_prob prob) { +static void set_ProjX_probability(ir_node *n, Cond_prob prob) +{ reg_exec_freq ef; ef.reg = n; ef.prob = prob; set_insert(exec_freq_set, &ef, sizeof(ef), exec_freq_hash(&ef)); } -Cond_prob get_ProjX_probability(ir_node *n) { +static Cond_prob get_ProjX_probability(ir_node *n) +{ reg_exec_freq ef, *found; ef.reg = n; - found = set_find(exec_freq_set, &ef, sizeof(ef), exec_freq_hash(&ef)); + found = (reg_exec_freq*) set_find(exec_freq_set, &ef, sizeof(ef), exec_freq_hash(&ef)); if (found) return (Cond_prob)found->prob; @@ -146,16 +154,16 @@ Cond_prob get_ProjX_probability(ir_node *n) { /* A walker that only visits the nodes we want to see. */ -static void -my_irg_walk_2_both(ir_node *node, irg_walk_func *pre, irg_walk_func *post, void * env) { +static void my_irg_walk_2_both(ir_node *node, irg_walk_func *pre, irg_walk_func *post, void * env) +{ int i; set_irn_visited(node, current_ir_graph->visited); pre(node, env); - if (node->op != op_Block) { + if (!is_Block(node)) { ir_node *pred; - if (node->op == op_Proj) + if (is_Proj(node)) pred = get_irn_n(node, 0); else pred = get_irn_n(node, -1); @@ -171,7 +179,7 @@ my_irg_walk_2_both(ir_node *node, irg_walk_func *pre, irg_walk_func *post, void } } - if (node->op == op_End) { + if (is_End(node)) { for (i = get_irn_arity(node) - 1; i >= 0; --i) { ir_node *pred = get_irn_n(node, i); if ((pred->op == op_Block) && (pred->visited < current_ir_graph->visited)) @@ -181,7 +189,8 @@ my_irg_walk_2_both(ir_node *node, irg_walk_func *pre, irg_walk_func *post, void post(node, env); } -static void my_irg_walk_current_graph(irg_walk_func *pre, irg_walk_func *post, void *env) { +static void my_irg_walk_current_graph(irg_walk_func *pre, irg_walk_func *post, void *env) +{ inc_irg_visited(current_ir_graph); my_irg_walk_2_both(get_irg_end(current_ir_graph), pre, post, env); } @@ -237,7 +246,8 @@ static void walk_post(ir_node *n, void *env) /** Precompute which Conds test for an exception. * * Operates on current_ir_graph. */ -void precompute_cond_evaluation(void) { +static void precompute_cond_evaluation(void) +{ ir_node *c; compute_irg_outs(current_ir_graph); @@ -246,7 +256,7 @@ void precompute_cond_evaluation(void) { Cond_list = NULL; my_irg_walk_current_graph(walk_pre, walk_post, NULL); - for (c = Cond_list; c; c = get_irn_link(c)) { + for (c = Cond_list; c; c = (ir_node*)get_irn_link(c)) { ir_node *p0, *p1; assert(get_irn_n_outs(c) == 2 && "encountered a switch cond"); @@ -256,10 +266,12 @@ void precompute_cond_evaluation(void) { /* both are exceptions */ if ((get_ProjX_probability(p0) == Cond_prob_exception_taken) && (get_ProjX_probability(p1) == Cond_prob_exception_taken) ) { - assert(0 && "I tried to avoid these!"); + panic("I tried to avoid these!"); +#if 0 /* It's a */ set_ProjX_probability(p0, Cond_prob_normal); set_ProjX_probability(p1, Cond_prob_normal); +#endif } /* p0 is exception */ @@ -280,7 +292,8 @@ void precompute_cond_evaluation(void) { } } -int is_fragile_Proj(ir_node *n) { +int is_fragile_Proj(ir_node *n) +{ return is_Proj(n) && (get_ProjX_probability(n) == Cond_prob_exception_taken); } @@ -295,7 +308,7 @@ int is_fragile_Proj(ir_node *n) { static double exception_prob = 0.001; -static INLINE int is_loop_head(ir_node *cond) +static inline int is_loop_head(ir_node *cond) { (void) cond; return 0; @@ -305,7 +318,8 @@ static INLINE int is_loop_head(ir_node *cond) * * Given all outs of the predecessor region, we can compute the weight of * this single edge. */ -static INLINE double get_weighted_region_exec_freq(void *reg, int pos) { +static inline double get_weighted_region_exec_freq(void *reg, int pos) +{ void *pred_reg = get_region_in(reg, pos); double res, full_freq = get_region_exec_freq (pred_reg); int n_outs = get_region_n_outs (pred_reg); @@ -318,7 +332,7 @@ static INLINE double get_weighted_region_exec_freq(void *reg, int pos) { cfop = skip_Proj(cfop); } else { assert(is_ir_loop(reg)); - cfop = get_loop_cfop(reg, pos); + cfop = (ir_node*)get_loop_cfop(reg, pos); } if (is_fragile_op(cfop) || is_fragile_Proj(cfop)) { @@ -332,12 +346,11 @@ static INLINE double get_weighted_region_exec_freq(void *reg, int pos) { return res; } -static INLINE void compute_region_freqency(void *reg, double head_weight) { +static inline void compute_region_freqency(void *reg, double head_weight) +{ int i, n_ins = get_region_n_ins(reg); double my_freq = 0; - //printf("head weight %lf: ", head_weight); DDMR(reg); - for (i = 0; i < n_ins; ++i) { void *pred_reg = get_region_in(reg, i); if (pred_reg) { @@ -362,7 +375,8 @@ static void check_proper_head(ir_loop *l, void *reg) } /* Compute the ex freq for current_ir_graph */ -static void compute_frequency(int default_loop_weight) { +static void compute_frequency(int default_loop_weight) +{ ir_loop *outermost_l = get_irg_loop(current_ir_graph); pdeq *block_worklist = new_pdeq1(outermost_l); @@ -372,7 +386,7 @@ static void compute_frequency(int default_loop_weight) { while (!pdeq_empty(block_worklist)) { ir_loop *l = (ir_loop *)pdeq_getl(block_worklist); - int i, n_elems = get_loop_n_elements(l); + size_t i, n_elems = get_loop_n_elements(l); /* The header is initialized with the frequency of the full loop times the iteration weight. */ check_proper_head(l, get_loop_element(l, 0).son); @@ -392,7 +406,8 @@ static void compute_frequency(int default_loop_weight) { * irg: The graph to be analyzed. * default_loop_weight: The number of executions of a loop. */ -void compute_execution_frequency(ir_graph *irg, int default_loop_weight, double exception_probability) { +void compute_execution_frequency(ir_graph *irg, int default_loop_weight, double exception_probability) +{ ir_graph *rem = current_ir_graph; current_ir_graph = irg; exception_prob = exception_probability; @@ -416,8 +431,9 @@ void compute_execution_frequency(ir_graph *irg, int default_loop_weight, double } -void compute_execution_frequencies(int default_loop_weight, double exception_probability) { - int i, n_irgs = get_irp_n_irgs(); +void compute_execution_frequencies(int default_loop_weight, double exception_probability) +{ + size_t i, n_irgs = get_irp_n_irgs(); free_intervals(); for (i = 0; i < n_irgs; ++i) { compute_execution_frequency(get_irp_irg(i), default_loop_weight, exception_probability); @@ -426,8 +442,9 @@ void compute_execution_frequencies(int default_loop_weight, double exception_pro } /** free occupied memory, reset */ -void free_execution_frequency(void) { - int i, n_irgs = get_irp_n_irgs(); +void free_execution_frequency(void) +{ + size_t i, n_irgs = get_irp_n_irgs(); free_intervals(); del_set(exec_freq_set); @@ -436,10 +453,12 @@ void free_execution_frequency(void) { set_irp_exec_freq_state(exec_freq_none); } -exec_freq_state get_irg_exec_freq_state(ir_graph *irg) { +exec_freq_state get_irg_exec_freq_state(ir_graph *irg) +{ return irg->execfreq_state; } -void set_irg_exec_freq_state(ir_graph *irg, exec_freq_state s) { +void set_irg_exec_freq_state(ir_graph *irg, exec_freq_state s) +{ if ((get_irp_exec_freq_state() == exec_freq_consistent && s != exec_freq_consistent) || (get_irp_exec_freq_state() == exec_freq_none && s != exec_freq_none)) irp->execfreq_state = exec_freq_inconsistent; @@ -447,28 +466,32 @@ void set_irg_exec_freq_state(ir_graph *irg, exec_freq_state s) { } /* Sets irg and irp exec freq state to inconsistent if it is set to consistent. */ -void set_irg_exec_freq_state_inconsistent(ir_graph *irg) { +void set_irg_exec_freq_state_inconsistent(ir_graph *irg) +{ if (get_irg_exec_freq_state(irg) == exec_freq_consistent) set_irg_exec_freq_state(irg, exec_freq_inconsistent); } -void set_irp_exec_freq_state(exec_freq_state s) { +void set_irp_exec_freq_state(exec_freq_state s) +{ irp->execfreq_state = s; } -exec_freq_state get_irp_exec_freq_state(void) { +exec_freq_state get_irp_exec_freq_state(void) +{ return irp->execfreq_state; } /* Sets irp and all irg exec freq states to inconsistent if it is set to consistent. */ -void set_irp_exec_freq_state_inconsistent(void) { - if (get_irp_exec_freq_state() != exec_freq_none) { - int i, n_irgs = get_irp_n_irgs(); - set_irp_exec_freq_state(exec_freq_inconsistent); - for (i = 0; i < n_irgs; ++i) { - ir_graph *irg = get_irp_irg(i); - if (get_irg_exec_freq_state(irg) != exec_freq_none) - irg->execfreq_state = exec_freq_inconsistent; - } - } +void set_irp_exec_freq_state_inconsistent(void) +{ + if (get_irp_exec_freq_state() != exec_freq_none) { + size_t i, n_irgs = get_irp_n_irgs(); + set_irp_exec_freq_state(exec_freq_inconsistent); + for (i = 0; i < n_irgs; ++i) { + ir_graph *irg = get_irp_irg(i); + if (get_irg_exec_freq_state(irg) != exec_freq_none) + irg->execfreq_state = exec_freq_inconsistent; + } + } }