Commit ce29d67e authored by Matthias Braun's avatar Matthias Braun
Browse files

query firmstat options through lc_opt system

parent 5f623be3
......@@ -25,142 +25,9 @@
#ifndef FIRM_STAT_FIRMSTAT_H
#define FIRM_STAT_FIRMSTAT_H
#include "irhooks.h"
#include "firm_types.h"
#include "begin.h"
/**
* Statistic options, can be or'ed.
*/
enum firmstat_options_t {
FIRMSTAT_ENABLED = 0x00000001, /**< enable statistics */
FIRMSTAT_PATTERN_ENABLED = 0x00000002, /**< enable pattern calculation */
FIRMSTAT_COUNT_STRONG_OP = 0x00000004, /**< if set, count Mul/Div/Mod by constant */
FIRMSTAT_COUNT_DAG = 0x00000008, /**< if set, count DAG statistics */
FIRMSTAT_COUNT_DELETED = 0x00000010, /**< if set, count deleted graphs */
FIRMSTAT_COUNT_SELS = 0x00000020, /**< if set, count Sel(Sel(..)) differently */
FIRMSTAT_COUNT_CONSTS = 0x00000040, /**< if set, count Const statistics */
FIRMSTAT_CSV_OUTPUT = 0x10000000 /**< CSV output of some mini-statistic */
};
/**
* Additional flags for statistics.
*/
enum firmstat_optimizations_t {
FS_OPT_NEUTRAL_0 = HOOK_OPT_LAST, /**< a op 0 = 0 op a = a */
FS_OPT_NEUTRAL_1, /**< a op 1 = 1 op a = a */
FS_OPT_ADD_A_A, /**< a + a = a * 2 */
FS_OPT_ADD_A_MINUS_B, /**< a + -b = a - b */
FS_OPT_ADD_SUB, /**< (a + x) - x = (a - x) + x */
FS_OPT_ADD_MUL_A_X_A, /**< a * x + a = a * (x + 1) */
FS_OPT_SUB_0_A, /**< 0 - a = -a */
FS_OPT_MINUS_SUB, /**< - (a - b) = b - a */
FS_OPT_SUB_MINUS, /**< a - (-b) = a + b */
FS_OPT_SUB_MUL_A_X_A, /**< a * x - a = a * (x - 1) */
FS_OPT_SUB_SUB_X_Y_Z, /**< (x - y) - z = x - (y + z) */
FS_OPT_SUB_C_NOT_X, /**< c - ~a = a + (c+1) */
FS_OPT_SUB_TO_ADD, /**< (-a) - b = -(a + b), a - (b - c) = a + (c - b), a - (b * C) -> a + (b * -C) */
FS_OPT_SUB_TO_NOT, /**< -1 - x -> ~x on two's complement */
FS_OPT_SUB_TO_CONV, /**< a - NULL = (int)a */
FS_OPT_MUL_MINUS, /**< (-a) * (b - c) -> a * (c - b) */
FS_OPT_MUL_MINUS_1, /**< a * -1 = -a */
FS_OPT_MINUS_MUL_C, /**< (-a) * C = a * (-C) */
FS_OPT_MUL_MINUS_MINUS, /**< (-a) * (-b) = a * b */
FS_OPT_OR, /**< a | a = a | 0 = 0 | a = a */
FS_OPT_AND, /**< a & 0b1...1 = 0b1...1 & a = a & a = a */
FS_OPT_TO_EOR, /**< (a|b) & ~(a&b) = a^b */
FS_OPT_EOR_A_A, /**< a ^ a = 0 */
FS_OPT_EOR_A_B_A, /**< (a ^ b) ^ a = b */
FS_OPT_EOR_TO_NOT_BOOL, /**< bool ^ 1 = !bool */
FS_OPT_EOR_TO_NOT, /**< x ^ 0b1..1 = ~x, (a ^ b) & b -> ~a & b */
FS_OPT_NOT_CMP, /**< !(a cmp b) = a !cmp b */
FS_OPT_OR_SHFT_TO_ROTL, /**< (x << c) | (x >> (bits - c)) == Rotl(x, c) */
FS_OPT_REASSOC_SHIFT, /**< (x SHF c1) SHF c2 = x SHF (c1+c2) */
FS_OPT_SHIFT_AND, /**< (a SHF c) AND (b SHF c) = (a AND b) SHF c */
FS_OPT_SHIFT_OR, /**< (a SHF c) OR (b SHF c) = (a OR b) SHF c */
FS_OPT_SHIFT_EOR, /**< (a SHF c) XOR (b SHF c) = (a XOR b) SHF c */
FS_OPT_CONV, /**< a Conv could be removed */
FS_OPT_CAST, /**< a Cast could be removed */
FS_OPT_MIN_MAX_EQ, /**< Min(a,a) = Max(a,a) = a */
FS_OPT_MUX_COMBINE, /**< two Mux nodes where combined into one */
FS_OPT_MUX_CONV, /**< MuxI(sel, 1, 0) = (I)sel */
FS_OPT_MUX_BOOL, /**< Muxb(sel, true, false) = sel */
FS_OPT_MUX_NOT_BOOL, /**< Muxb(sel, false, true) = Not(sel) */
FS_OPT_MUX_OR_BOOL, /**< Muxb(sel, true, x) = Or(sel, x) */
FS_OPT_MUX_ORNOT_BOOL, /**< Muxb(sel, x, true) = Or(Not(sel), x) */
FS_OPT_MUX_AND_BOOL, /**< Muxb(sel, x, false) = And(sel, x) */
FS_OPT_MUX_ANDNOT_BOOL, /**< Muxb(sel, false, x) = And(Not(sel), x) */
FS_OPT_MUX_C, /**< Mux(C, f, t) = C ? t : f */
FS_OPT_MUX_EQ, /**< Mux(v, x, x) = x */
FS_OPT_MUX_TRANSFORM, /**< Mux(t ==/!= f, t, f) = f/t, Mux(t ==/!= 0, -t, t) = -t/t */
FS_OPT_MUX_TO_MIN, /**< Mux(a < b, a, b) = Min(a,b) */
FS_OPT_MUX_TO_MAX, /**< Mux(a > b, a, b) = Max(a,b) */
FS_OPT_MUX_TO_BITOP, /**< Mux((a & 2^x) ==/!= 0, 2^x, 0) = (a & 2^x) (xor 2^x) */
FS_OPT_INVOLUTION, /**< OP(OP(x)) = x */
FS_OPT_MINUS_NOT, /**< -(~x) = x + 1 */
FS_OPT_NOT_MINUS_1, /**< ~(x - 1) = -x */
FS_OPT_NOT_PLUS_1, /**< ~x + 1 = -x */
FS_OPT_ADD_X_NOT_X, /**< ~x + x = -1 */
FS_OPT_FP_INV_MUL, /**< x / y = x * (1.0/y) */
FS_OPT_CONST_PHI, /**< Constant evaluation on Phi */
FS_OPT_PREDICATE, /**< Predicate optimization */
FS_OPT_DEMORGAN, /**< optimization using DeMorgan's law */
FS_OPT_CMP_OP_OP, /**< CMP optimization: Cmp(OP(x), OP(y)) = Cmp(x, y) */
FS_OPT_CMP_OP_C, /**< CMP optimization: Cmp(OP(x), c1) = Cmp(x, c2) */
FS_OPT_CMP_CONV_CONV, /**< CMP optimization: Cmp(Conv(x), Conv(y)) = Cmp(x, y) */
FS_OPT_CMP_CONV, /**< CMP optimization: Cmp(Conv(x), Conv(y)) = Cmp(Conv(x), y) */
FS_OPT_CMP_TO_BOOL, /**< CMP optimization: Cmp(x, y) = BoolOP(x, y) */
FS_OPT_CMP_CNST_MAGN, /**< CMP optimization: reduced magnitude of a const */
FS_OPT_CMP_SHF_TO_AND, /**< CMP optimization: transformed shift into And */
FS_OPT_CMP_MOD_TO_AND, /**< CMP optimization: transformed Mod into And */
FS_OPT_NOP, /**< the operation is a NOP */
FS_OPT_GVN_FOLLOWER, /**< GVN-PRE: replaced a follower */
FS_OPT_GVN_FULLY, /**< GVN-PRE: replaced by fully redundant value */
FS_OPT_GVN_PARTLY, /**< GVN-PRE: replaced by partly redundant value */
FS_OPT_COMBO_CONST, /**< Combo: evaluated into Constant */
FS_OPT_COMBO_CF, /**< Combo: removed conditional control flow */
FS_OPT_COMBO_FOLLOWER, /**< Combo: replaced a follower */
FS_OPT_COMBO_CONGRUENT, /**< Combo: replaced by congruent */
FS_OPT_JUMPTHREADING, /**< Jump threading: removed conditional control flow */
FS_OPT_RTS_ABS, /**< RTS optimization: call to abs() replaced */
FS_OPT_RTS_ALLOCA, /**< RTS optimization: call to alloca() replaced */
FS_OPT_RTS_SQRT, /**< RTS optimization: call to sqrt() replaced */
FS_OPT_RTS_CBRT, /**< RTS optimization: call to cbrt() replaced */
FS_OPT_RTS_POW, /**< RTS optimization: call to pow() replaced */
FS_OPT_RTS_EXP, /**< RTS optimization: call to exp() replaced */
FS_OPT_RTS_LOG, /**< RTS optimization: call to log() replaced */
FS_OPT_RTS_SIN, /**< RTS optimization: call to sin() replaced */
FS_OPT_RTS_COS, /**< RTS optimization: call to cos() replaced */
FS_OPT_RTS_TAN, /**< RTS optimization: call to tan() replaced */
FS_OPT_RTS_ASIN, /**< RTS optimization: call to asin() replaced */
FS_OPT_RTS_ACOS, /**< RTS optimization: call to acos() replaced */
FS_OPT_RTS_ATAN, /**< RTS optimization: call to atan() replaced */
FS_OPT_RTS_SINH, /**< RTS optimization: call to sinh() replaced */
FS_OPT_RTS_COSH, /**< RTS optimization: call to cosh() replaced */
FS_OPT_RTS_TANH, /**< RTS optimization: call to tanh() replaced */
FS_OPT_RTS_SYMMETRIC, /**< RTS optimization: call to symmetric function f(-x) replaced by f(x) */
FS_OPT_RTS_STRCMP, /**< RTS optimization: call to strcmp() replaced */
FS_OPT_RTS_STRNCMP, /**< RTS optimization: call to strncmp() replaced */
FS_OPT_RTS_STRCPY, /**< RTS optimization: call to strcpy() replaced */
FS_OPT_RTS_STRLEN, /**< RTS optimization: call to strlen() replaced */
FS_OPT_RTS_MEMCPY, /**< RTS optimization: call to memcpy() replaced */
FS_OPT_RTS_MEMPCPY, /**< RTS optimization: call to mempcpy() replaced */
FS_OPT_RTS_MEMMOVE, /**< RTS optimization: call to memmove() replaced */
FS_OPT_RTS_MEMSET, /**< RTS optimization: call to memset() replaced */
FS_OPT_RTS_MEMCMP, /**< RTS optimization: call to memcmp() replaced */
FS_BE_IA32_LEA, /**< Lea was created */
FS_BE_IA32_LOAD_LEA, /**< Load merged with a Lea */
FS_BE_IA32_STORE_LEA, /**< Store merged with a Lea */
FS_BE_IA32_AM_S, /**< Source address mode node created */
FS_BE_IA32_AM_D, /**< Destination address mode node created */
FS_BE_IA32_CJMP, /**< CJmp created to save a cmp/test */
FS_BE_IA32_2ADDRCPY, /**< Copy created due to 2-Addresscode constraints */
FS_BE_IA32_SPILL2ST, /**< Created Store for a Spill */
FS_BE_IA32_RELOAD2LD, /**< Created Load for a Reload */
FS_BE_IA32_SUB2NEGADD, /**< Created Neg-Add for a Sub due to 2-Addresscode constraints */
FS_BE_IA32_LEA2ADD, /**< Transformed Lea back into Add */
FS_OPT_MAX
};
/**
* Dump a snapshot of the statistic values.
* Never called from libFirm should be called from user.
......@@ -185,10 +52,8 @@ FIRM_API ir_prog_pass_t *stat_dump_snapshot_pass(
/**
* initialize the statistics module.
* Should be called directly after ir_init
*
* @param enable_options a bitmask containing the statistic options
*/
FIRM_API void firm_init_stat(unsigned enable_options);
FIRM_API void firm_init_stat(void);
/**
* terminates the statistics module, frees all memory
......
......@@ -53,6 +53,7 @@
#include "lower_calls.h"
#include "lower_mode_b.h"
#include "lower_softfloat.h"
#include "firmstat_t.h"
#include "beabi.h"
#include "benode.h"
......
......@@ -32,6 +32,7 @@
#include "irprintf.h"
#include "pdeq.h"
#include "error.h"
#include "firmstat_t.h"
#include "bearch.h"
#include "besched.h"
......
......@@ -37,6 +37,7 @@
#include "irprintf.h"
#include "irdump.h"
#include "error.h"
#include "firmstat_t.h"
#include "be_t.h"
#include "beabi.h"
......
......@@ -55,6 +55,7 @@
#include "be_t.h"
#include "irtools.h"
#include "execfreq_t.h"
#include "firmstat_t.h"
/* returns the firm root */
lc_opt_entry_t *firm_opt_get_root(void)
......@@ -114,6 +115,8 @@ void ir_init(void)
init_execfreq();
init_stat();
#ifdef DEBUG_libfirm
/* integrated debugger extension */
firm_init_debugger();
......
......@@ -51,6 +51,7 @@
#include "bitfiddle.h"
#include "be.h"
#include "error.h"
#include "firmstat_t.h"
#include "entity_t.h"
......
......@@ -44,6 +44,7 @@
#include "error.h"
#include "be.h"
#include "util.h"
#include "firmstat_t.h"
/** Walker environment. */
typedef struct walker_env {
......
......@@ -83,6 +83,7 @@
#include "irpass.h"
#include "tv_t.h"
#include "irtools.h"
#include "firmstat_t.h"
#include "irprintf.h"
#include "irdump.h"
......
......@@ -42,6 +42,7 @@
#include "irpass.h"
#include "valueset.h"
#include "irloop.h"
#include "firmstat_t.h"
#include "irgraph_t.h"
#include "irnode_t.h"
......
......@@ -46,6 +46,7 @@
#include "iropt_dbg.h"
#include "irpass.h"
#include "vrp.h"
#include "firmstat_t.h"
#undef AVOID_PHIB
......
......@@ -49,7 +49,7 @@
#include "irtools.h"
#include "irloop_t.h"
#include "array.h"
#include "firmstat.h"
#include "firmstat_t.h"
#include "error.h"
#include "irpass_t.h"
......
......@@ -40,6 +40,10 @@
#include "irhooks.h"
#include "util.h"
#include "ircons.h"
#include "irtools.h"
#include "lc_opts.h"
#include "lc_opts_enum.h"
/*
* need this to be static:
......@@ -72,6 +76,8 @@ static ir_op _op_SelSel;
/** A Sel of a Sel of a Sel */
static ir_op _op_SelSelSel;
static unsigned stat_options;
/* ---------------------------------------------------------------------------------- */
/** Marks the begin of a statistic (hook) function. */
......@@ -2195,20 +2201,20 @@ ir_prog_pass_t *stat_dump_snapshot_pass(
static hook_entry_t stat_hooks[hook_last];
/* initialize the statistics module. */
void firm_init_stat(unsigned enable_options)
void firm_init_stat(void)
{
#define X(a) a, sizeof(a)-1
#define HOOK(h, fkt) \
stat_hooks[h].hook._##h = fkt; register_hook(h, &stat_hooks[h])
unsigned num = 0;
if (! (enable_options & FIRMSTAT_ENABLED))
if (! (stat_options & FIRMSTAT_ENABLED))
return;
status = XMALLOCZ(stat_info_t);
/* enable statistics */
status->stat_options = enable_options & FIRMSTAT_ENABLED ? enable_options : 0;
status->stat_options = stat_options & FIRMSTAT_ENABLED ? stat_options : 0;
/* register all hooks */
HOOK(hook_new_ir_op, stat_new_ir_op);
......@@ -2243,7 +2249,7 @@ void firm_init_stat(unsigned enable_options)
/* create the wait queue */
status->wait_q = new_pdeq();
if (enable_options & FIRMSTAT_COUNT_STRONG_OP) {
if (stat_options & FIRMSTAT_COUNT_STRONG_OP) {
/* build the pseudo-ops */
_op_Phi0.code = --num;
......@@ -2280,7 +2286,7 @@ void firm_init_stat(unsigned enable_options)
} /* if */
/* for Florian: count the Sel depth */
if (enable_options & FIRMSTAT_COUNT_SELS) {
if (stat_options & FIRMSTAT_COUNT_SELS) {
_op_SelSel.code = --num;
_op_SelSel.name = new_id_from_chars(X("Sel(Sel)"));
......@@ -2297,14 +2303,14 @@ void firm_init_stat(unsigned enable_options)
/* register the dumper */
stat_register_dumper(&simple_dumper);
if (enable_options & FIRMSTAT_CSV_OUTPUT)
if (stat_options & FIRMSTAT_CSV_OUTPUT)
stat_register_dumper(&csv_dumper);
/* initialize the pattern hash */
stat_init_pattern_history(enable_options & FIRMSTAT_PATTERN_ENABLED);
stat_init_pattern_history(stat_options & FIRMSTAT_PATTERN_ENABLED);
/* initialize the Const options */
if (enable_options & FIRMSTAT_COUNT_CONSTS)
if (stat_options & FIRMSTAT_COUNT_CONSTS)
stat_init_const_cnt(status);
/* distribution table for parameter counts */
......@@ -2353,3 +2359,27 @@ int stat_is_active(void)
{
return status != (stat_info_t *)&status_disable;
} /* stat_is_active */
void init_stat(void)
{
lc_opt_entry_t *root_grp = firm_opt_get_root();
lc_opt_entry_t *be_grp = lc_opt_get_grp(root_grp, "be");
static const lc_opt_enum_mask_items_t stat_items[] = {
{ "enabled", FIRMSTAT_ENABLED },
{ "pattern", FIRMSTAT_PATTERN_ENABLED },
{ "count_strong_op", FIRMSTAT_COUNT_STRONG_OP },
{ "count_dag", FIRMSTAT_COUNT_DAG },
{ "count_deleted", FIRMSTAT_COUNT_DELETED },
{ "count_sels", FIRMSTAT_COUNT_SELS },
{ "count_consts", FIRMSTAT_COUNT_CONSTS },
{ "csv_output", FIRMSTAT_CSV_OUTPUT },
{ NULL, 0 }
};
static lc_opt_enum_mask_var_t statmask = { &stat_options, stat_items };
static const lc_opt_table_entry_t stat_optionstable[] = {
LC_OPT_ENT_ENUM_MASK("statistics", "enable statistics", &statmask),
LC_OPT_LAST
};
lc_opt_add_table(be_grp, stat_optionstable);
}
......@@ -54,6 +54,139 @@ typedef pset hmap_perm_class_entry_t;
typedef pset hmap_ir_op;
typedef pset hmap_distrib_entry_t;
/**
* Statistic options, can be or'ed.
*/
enum firmstat_options_t {
FIRMSTAT_ENABLED = 0x00000001, /**< enable statistics */
FIRMSTAT_PATTERN_ENABLED = 0x00000002, /**< enable pattern calculation */
FIRMSTAT_COUNT_STRONG_OP = 0x00000004, /**< if set, count Mul/Div/Mod by constant */
FIRMSTAT_COUNT_DAG = 0x00000008, /**< if set, count DAG statistics */
FIRMSTAT_COUNT_DELETED = 0x00000010, /**< if set, count deleted graphs */
FIRMSTAT_COUNT_SELS = 0x00000020, /**< if set, count Sel(Sel(..)) differently */
FIRMSTAT_COUNT_CONSTS = 0x00000040, /**< if set, count Const statistics */
FIRMSTAT_CSV_OUTPUT = 0x10000000 /**< CSV output of some mini-statistic */
};
/**
* Additional flags for statistics.
*/
enum firmstat_optimizations_t {
FS_OPT_NEUTRAL_0 = HOOK_OPT_LAST, /**< a op 0 = 0 op a = a */
FS_OPT_NEUTRAL_1, /**< a op 1 = 1 op a = a */
FS_OPT_ADD_A_A, /**< a + a = a * 2 */
FS_OPT_ADD_A_MINUS_B, /**< a + -b = a - b */
FS_OPT_ADD_SUB, /**< (a + x) - x = (a - x) + x */
FS_OPT_ADD_MUL_A_X_A, /**< a * x + a = a * (x + 1) */
FS_OPT_SUB_0_A, /**< 0 - a = -a */
FS_OPT_MINUS_SUB, /**< - (a - b) = b - a */
FS_OPT_SUB_MINUS, /**< a - (-b) = a + b */
FS_OPT_SUB_MUL_A_X_A, /**< a * x - a = a * (x - 1) */
FS_OPT_SUB_SUB_X_Y_Z, /**< (x - y) - z = x - (y + z) */
FS_OPT_SUB_C_NOT_X, /**< c - ~a = a + (c+1) */
FS_OPT_SUB_TO_ADD, /**< (-a) - b = -(a + b), a - (b - c) = a + (c - b), a - (b * C) -> a + (b * -C) */
FS_OPT_SUB_TO_NOT, /**< -1 - x -> ~x on two's complement */
FS_OPT_SUB_TO_CONV, /**< a - NULL = (int)a */
FS_OPT_MUL_MINUS, /**< (-a) * (b - c) -> a * (c - b) */
FS_OPT_MUL_MINUS_1, /**< a * -1 = -a */
FS_OPT_MINUS_MUL_C, /**< (-a) * C = a * (-C) */
FS_OPT_MUL_MINUS_MINUS, /**< (-a) * (-b) = a * b */
FS_OPT_OR, /**< a | a = a | 0 = 0 | a = a */
FS_OPT_AND, /**< a & 0b1...1 = 0b1...1 & a = a & a = a */
FS_OPT_TO_EOR, /**< (a|b) & ~(a&b) = a^b */
FS_OPT_EOR_A_A, /**< a ^ a = 0 */
FS_OPT_EOR_A_B_A, /**< (a ^ b) ^ a = b */
FS_OPT_EOR_TO_NOT_BOOL, /**< bool ^ 1 = !bool */
FS_OPT_EOR_TO_NOT, /**< x ^ 0b1..1 = ~x, (a ^ b) & b -> ~a & b */
FS_OPT_NOT_CMP, /**< !(a cmp b) = a !cmp b */
FS_OPT_OR_SHFT_TO_ROTL, /**< (x << c) | (x >> (bits - c)) == Rotl(x, c) */
FS_OPT_REASSOC_SHIFT, /**< (x SHF c1) SHF c2 = x SHF (c1+c2) */
FS_OPT_SHIFT_AND, /**< (a SHF c) AND (b SHF c) = (a AND b) SHF c */
FS_OPT_SHIFT_OR, /**< (a SHF c) OR (b SHF c) = (a OR b) SHF c */
FS_OPT_SHIFT_EOR, /**< (a SHF c) XOR (b SHF c) = (a XOR b) SHF c */
FS_OPT_CONV, /**< a Conv could be removed */
FS_OPT_CAST, /**< a Cast could be removed */
FS_OPT_MIN_MAX_EQ, /**< Min(a,a) = Max(a,a) = a */
FS_OPT_MUX_COMBINE, /**< two Mux nodes where combined into one */
FS_OPT_MUX_CONV, /**< MuxI(sel, 1, 0) = (I)sel */
FS_OPT_MUX_BOOL, /**< Muxb(sel, true, false) = sel */
FS_OPT_MUX_NOT_BOOL, /**< Muxb(sel, false, true) = Not(sel) */
FS_OPT_MUX_OR_BOOL, /**< Muxb(sel, true, x) = Or(sel, x) */
FS_OPT_MUX_ORNOT_BOOL, /**< Muxb(sel, x, true) = Or(Not(sel), x) */
FS_OPT_MUX_AND_BOOL, /**< Muxb(sel, x, false) = And(sel, x) */
FS_OPT_MUX_ANDNOT_BOOL, /**< Muxb(sel, false, x) = And(Not(sel), x) */
FS_OPT_MUX_C, /**< Mux(C, f, t) = C ? t : f */
FS_OPT_MUX_EQ, /**< Mux(v, x, x) = x */
FS_OPT_MUX_TRANSFORM, /**< Mux(t ==/!= f, t, f) = f/t, Mux(t ==/!= 0, -t, t) = -t/t */
FS_OPT_MUX_TO_MIN, /**< Mux(a < b, a, b) = Min(a,b) */
FS_OPT_MUX_TO_MAX, /**< Mux(a > b, a, b) = Max(a,b) */
FS_OPT_MUX_TO_BITOP, /**< Mux((a & 2^x) ==/!= 0, 2^x, 0) = (a & 2^x) (xor 2^x) */
FS_OPT_INVOLUTION, /**< OP(OP(x)) = x */
FS_OPT_MINUS_NOT, /**< -(~x) = x + 1 */
FS_OPT_NOT_MINUS_1, /**< ~(x - 1) = -x */
FS_OPT_NOT_PLUS_1, /**< ~x + 1 = -x */
FS_OPT_ADD_X_NOT_X, /**< ~x + x = -1 */
FS_OPT_FP_INV_MUL, /**< x / y = x * (1.0/y) */
FS_OPT_CONST_PHI, /**< Constant evaluation on Phi */
FS_OPT_PREDICATE, /**< Predicate optimization */
FS_OPT_DEMORGAN, /**< optimization using DeMorgan's law */
FS_OPT_CMP_OP_OP, /**< CMP optimization: Cmp(OP(x), OP(y)) = Cmp(x, y) */
FS_OPT_CMP_OP_C, /**< CMP optimization: Cmp(OP(x), c1) = Cmp(x, c2) */
FS_OPT_CMP_CONV_CONV, /**< CMP optimization: Cmp(Conv(x), Conv(y)) = Cmp(x, y) */
FS_OPT_CMP_CONV, /**< CMP optimization: Cmp(Conv(x), Conv(y)) = Cmp(Conv(x), y) */
FS_OPT_CMP_TO_BOOL, /**< CMP optimization: Cmp(x, y) = BoolOP(x, y) */
FS_OPT_CMP_CNST_MAGN, /**< CMP optimization: reduced magnitude of a const */
FS_OPT_CMP_SHF_TO_AND, /**< CMP optimization: transformed shift into And */
FS_OPT_CMP_MOD_TO_AND, /**< CMP optimization: transformed Mod into And */
FS_OPT_NOP, /**< the operation is a NOP */
FS_OPT_GVN_FOLLOWER, /**< GVN-PRE: replaced a follower */
FS_OPT_GVN_FULLY, /**< GVN-PRE: replaced by fully redundant value */
FS_OPT_GVN_PARTLY, /**< GVN-PRE: replaced by partly redundant value */
FS_OPT_COMBO_CONST, /**< Combo: evaluated into Constant */
FS_OPT_COMBO_CF, /**< Combo: removed conditional control flow */
FS_OPT_COMBO_FOLLOWER, /**< Combo: replaced a follower */
FS_OPT_COMBO_CONGRUENT, /**< Combo: replaced by congruent */
FS_OPT_JUMPTHREADING, /**< Jump threading: removed conditional control flow */
FS_OPT_RTS_ABS, /**< RTS optimization: call to abs() replaced */
FS_OPT_RTS_ALLOCA, /**< RTS optimization: call to alloca() replaced */
FS_OPT_RTS_SQRT, /**< RTS optimization: call to sqrt() replaced */
FS_OPT_RTS_CBRT, /**< RTS optimization: call to cbrt() replaced */
FS_OPT_RTS_POW, /**< RTS optimization: call to pow() replaced */
FS_OPT_RTS_EXP, /**< RTS optimization: call to exp() replaced */
FS_OPT_RTS_LOG, /**< RTS optimization: call to log() replaced */
FS_OPT_RTS_SIN, /**< RTS optimization: call to sin() replaced */
FS_OPT_RTS_COS, /**< RTS optimization: call to cos() replaced */
FS_OPT_RTS_TAN, /**< RTS optimization: call to tan() replaced */
FS_OPT_RTS_ASIN, /**< RTS optimization: call to asin() replaced */
FS_OPT_RTS_ACOS, /**< RTS optimization: call to acos() replaced */
FS_OPT_RTS_ATAN, /**< RTS optimization: call to atan() replaced */
FS_OPT_RTS_SINH, /**< RTS optimization: call to sinh() replaced */
FS_OPT_RTS_COSH, /**< RTS optimization: call to cosh() replaced */
FS_OPT_RTS_TANH, /**< RTS optimization: call to tanh() replaced */
FS_OPT_RTS_SYMMETRIC, /**< RTS optimization: call to symmetric function f(-x) replaced by f(x) */
FS_OPT_RTS_STRCMP, /**< RTS optimization: call to strcmp() replaced */
FS_OPT_RTS_STRNCMP, /**< RTS optimization: call to strncmp() replaced */
FS_OPT_RTS_STRCPY, /**< RTS optimization: call to strcpy() replaced */
FS_OPT_RTS_STRLEN, /**< RTS optimization: call to strlen() replaced */
FS_OPT_RTS_MEMCPY, /**< RTS optimization: call to memcpy() replaced */
FS_OPT_RTS_MEMPCPY, /**< RTS optimization: call to mempcpy() replaced */
FS_OPT_RTS_MEMMOVE, /**< RTS optimization: call to memmove() replaced */
FS_OPT_RTS_MEMSET, /**< RTS optimization: call to memset() replaced */
FS_OPT_RTS_MEMCMP, /**< RTS optimization: call to memcmp() replaced */
FS_BE_IA32_LEA, /**< Lea was created */
FS_BE_IA32_LOAD_LEA, /**< Load merged with a Lea */
FS_BE_IA32_STORE_LEA, /**< Store merged with a Lea */
FS_BE_IA32_AM_S, /**< Source address mode node created */
FS_BE_IA32_AM_D, /**< Destination address mode node created */
FS_BE_IA32_CJMP, /**< CJmp created to save a cmp/test */
FS_BE_IA32_2ADDRCPY, /**< Copy created due to 2-Addresscode constraints */
FS_BE_IA32_SPILL2ST, /**< Created Store for a Spill */
FS_BE_IA32_RELOAD2LD, /**< Created Load for a Reload */
FS_BE_IA32_SUB2NEGADD, /**< Created Neg-Add for a Sub due to 2-Addresscode constraints */
FS_BE_IA32_LEA2ADD, /**< Transformed Lea back into Add */
FS_OPT_MAX
};
/**
* An entry in a distribution table
*/
......@@ -351,6 +484,12 @@ struct dumper_t {
unsigned tag; /**< the id tag of the dumper */
};
/**
* internal init function, mainly registers commandline arguments.
* (The use still has to call firm_init_stat() later
*/
void init_stat(void);
/**
* helper: get an ir_op from an opcode
*/
......
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