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Commit 70cc3288 by Vladimir Makarov Committed by Vladimir Makarov
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re PR target/56184 (Internal compiler error in push_reload during bootstrap stage 2) 

2013-02-13  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/56184
	* ira.c (max_regno_before_ira): Move from ...
	(ira): ... here.
	(fix_reg_equiv_init): Use max_regno_before_ira instead of
	vec_safe_length.

2013-02-13  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/56184
	* gcc.target/arm/pr56184.C: New test.

From-SVN: r196019
parent 6760071f
Showing with 279 additions and 4 deletions
gcc/ChangeLog
2013-02-13 Vladimir Makarov <vmakarov@redhat.com>
PR target/56184
* ira.c (max_regno_before_ira): Move from ...
(ira): ... here.
(fix_reg_equiv_init): Use max_regno_before_ira instead of
vec_safe_length.
2013-02-13 Jakub Jelinek <jakub@redhat.com>
* config/i386/i386.c (ix86_asan_shadow_offset): Revert last change.
......@@ -63,7 +71,7 @@
PR inline-asm/56148
* lra-constraints.c (process_alt_operands): Match early clobber
operand with itself. Check conflicts with earlyclobner only if
operand with itself. Check conflicts with earlyclobber only if
the operand is not reloaded. Prefer to reload conflicting operand
if earlyclobber and matching operands are the same.
......
gcc/ira.c
......@@ -419,6 +419,11 @@ int ira_move_loops_num, ira_additional_jumps_num;
HARD_REG_SET eliminable_regset;
/* Value of max_reg_num () before IRA work start. This value helps
us to recognize a situation when new pseudos were created during
IRA work. */
static int max_regno_before_ira;
/* Temporary hard reg set used for a different calculation. */
static HARD_REG_SET temp_hard_regset;
......@@ -2264,11 +2269,11 @@ ira_update_equiv_info_by_shuffle_insn (int to_regno, int from_regno, rtx insns)
static void
fix_reg_equiv_init (void)
{
unsigned int max_regno = max_reg_num ();
int max_regno = max_reg_num ();
int i, new_regno, max;
rtx x, prev, next, insn, set;
if (vec_safe_length (reg_equivs) < max_regno)
if (max_regno_before_ira < max_regno)
{
max = vec_safe_length (reg_equivs);
grow_reg_equivs ();
......@@ -4350,7 +4355,7 @@ static void
ira (FILE *f)
{
bool loops_p;
int max_regno_before_ira, ira_max_point_before_emit;
int ira_max_point_before_emit;
int rebuild_p;
bool saved_flag_caller_saves = flag_caller_saves;
enum ira_region saved_flag_ira_region = flag_ira_region;
......
gcc/testsuite/ChangeLog
2013-02-13 Vladimir Makarov <vmakarov@redhat.com>
PR target/56184
* gcc.target/arm/pr56184.C: New test.
2013-02-13 Jakub Jelinek <jakub@redhat.com>
PR c++/56302
......
gcc/testsuite/gcc.target/arm/pr56184.C 0 → 100644
/* { dg-do compile } */
/* { dg-options "-O2 -mthumb -march=armv7-a -mfpu=neon -mfloat-abi=softfp -mtune=cortex-a9 -fno-section-anchors" } */
typedef unsigned int size_t;
__extension__ typedef int __intptr_t;
typedef __intptr_t intptr_t;
typedef union tree_node *tree;
typedef const union tree_node *const_tree;
extern void *ggc_internal_cleared_alloc_stat (size_t )
__attribute__ ((__malloc__));
enum tree_code {
TREE_LIST=2,
FUNCTION_DECL,
MAX_TREE_CODES=254
};
extern unsigned char tree_contains_struct[MAX_TREE_CODES][64];
struct tree_base {
enum tree_code code : 16;
};
struct tree_common {
tree chain;
};
enum tree_node_structure_enum {
TS_COMMON,
TS_DECL_COMMON,
};
extern void tree_contains_struct_check_failed (const_tree,
const enum tree_node_structure_enum,
const char *, int, const char *)
__attribute__ ((__noreturn__));
extern void tree_check_failed (const_tree, const char *, int, const char *,
...) __attribute__ ((__noreturn__));
struct tree_list {
tree value;
};
struct tree_decl_common {
tree initial;
};
struct tree_function_decl {
struct function *f;
};
union
tree_node {
struct tree_base base;
struct tree_common common;
struct tree_decl_common decl_common;
struct tree_function_decl function_decl;
struct tree_list list;
};
inline tree
tree_check (tree __t, const char *__f, int __l, const char *__g, enum tree_code __c)
{
if (((enum tree_code) (__t)->base.code) != __c)
tree_check_failed (__t, __f, __l, __g, __c, 0);
}
inline tree
contains_struct_check (tree __t, const enum tree_node_structure_enum __s,
const char *__f, int __l, const char *__g)
{
if (tree_contains_struct[((enum tree_code) (__t)->base.code)][__s] != 1)
tree_contains_struct_check_failed (__t, __s, __f, __l, __g);
}
struct function {
tree static_chain_decl;
};
enum gimple_code {
LAST_AND_UNUSED_GIMPLE_CODE
};
struct eh_catch_d
{
struct eh_catch_d *next_catch;
struct eh_catch_d *prev_catch;
tree type_list;
tree filter_list;
tree label;
};
struct eh_region_d
{
struct eh_region_d *outer;
struct eh_region_d *inner;
int index;
union eh_region_u {
struct eh_region_u_try {
struct eh_catch_d *first_catch;
} eh_try;
} u;
};
typedef struct eh_catch_d *eh_catch;
typedef struct eh_region_d *eh_region;
extern void add_type_for_runtime (tree);
enum LTO_tags
{
LTO_null = 0,
LTO_bb0 = 1 + MAX_TREE_CODES + LAST_AND_UNUSED_GIMPLE_CODE,
LTO_ert_cleanup,
LTO_NUM_TAGS
};
enum lto_section_type
{
LTO_section_function_body,
};
struct lto_input_block
{
const char *data;
unsigned int p;
unsigned int len;
};
extern void lto_section_overrun (struct lto_input_block *) __attribute__ ((__noreturn__));
extern void lto_value_range_error (const char *,
long long, long long,
long long) __attribute__ ((__noreturn__));
long long streamer_read_hwi (struct lto_input_block *);
static inline unsigned char
streamer_read_uchar (struct lto_input_block *ib)
{
if (ib->p >= ib->len)
lto_section_overrun (ib);
return (ib->data[ib->p++]);
}
static inline long long
streamer_read_hwi_in_range (struct lto_input_block *ib,
const char *purpose,
long long min,
long long max)
{
long long range = max - min;
long long val = streamer_read_uchar (ib);
if (range >= 0xff)
val |= ((long long)streamer_read_uchar (ib)) << 8;
if (val < min || val > max)
lto_value_range_error (purpose, val, min, max);
return val;
}
static inline enum LTO_tags
streamer_read_record_start (struct lto_input_block *ib)
{
return (enum LTO_tags)streamer_read_hwi_in_range ((ib), "LTO_tags", 0, (int)(LTO_NUM_TAGS) - 1);
}
struct streamer_hooks {
tree (*read_tree) (struct lto_input_block *, struct data_in *);
};
extern struct streamer_hooks streamer_hooks;
static struct eh_catch_d *
lto_input_eh_catch_list (struct lto_input_block *ib, struct data_in *data_in,
eh_catch *last_p)
{
eh_catch first;
enum LTO_tags tag;
*last_p = first = __null;
tag = streamer_read_record_start (ib);
while (tag)
{
tree list;
eh_catch n;
n = ((struct eh_catch_d *)(ggc_internal_cleared_alloc_stat (sizeof (struct eh_catch_d) )));
n->type_list = streamer_hooks.read_tree(ib, data_in);
n->filter_list = streamer_hooks.read_tree(ib, data_in);
n->label = streamer_hooks.read_tree(ib, data_in);
for (list = n->filter_list; list; list = ((contains_struct_check ((list), (TS_COMMON), "../../../gcc-4.8~svn195526/gcc/lto-streamer-in.c", 275, __FUNCTION__))->common.chain))
add_type_for_runtime (((tree_check ((list), "../../../gcc-4.8~svn195526/gcc/lto-streamer-in.c", 276, __FUNCTION__, (TREE_LIST)))->list.value));
if (*last_p)
(*last_p)->next_catch = n;
n->prev_catch = *last_p;
*last_p = n;
if (first == __null)
first = n;
tag = streamer_read_record_start (ib);
}
return first;
}
static eh_region
input_eh_region (struct lto_input_block *ib, struct data_in *data_in, int ix)
{
enum LTO_tags tag;
eh_region r;
tag = streamer_read_record_start (ib);
if (tag == LTO_null)
return __null;
r = ((struct eh_region_d *)(ggc_internal_cleared_alloc_stat (sizeof (struct eh_region_d) )));
r->index = streamer_read_hwi (ib);
r->outer = (eh_region) (intptr_t) streamer_read_hwi (ib);
r->inner = (eh_region) (intptr_t) streamer_read_hwi (ib);
switch (tag)
{
case LTO_ert_cleanup:
{
struct eh_catch_d *last_catch;
r->u.eh_try.first_catch = lto_input_eh_catch_list (ib, data_in,
&last_catch);
}
{
tree l;
add_type_for_runtime (((tree_check ((l), "../../../gcc-4.8~svn195526/gcc/lto-streamer-in.c", 346, __FUNCTION__, (TREE_LIST)))->list.value));
}
}
}
static void
input_eh_regions (struct lto_input_block *ib, struct data_in *data_in,
struct function *fn)
{
long long i, root_region, len;
enum LTO_tags tag;
tag = streamer_read_record_start (ib);
if (tag == LTO_null)
return;
len = streamer_read_hwi (ib);
if (len > 0)
{
for (i = 0; i < len; i++)
{
eh_region r = input_eh_region (ib, data_in, i);
}
}
}
static void
input_ssa_names (struct lto_input_block *ib, struct data_in *data_in,
struct function *fn)
{
unsigned int i, size;
while (i)
{
}
}
static void
input_struct_function_base (struct function *fn, struct data_in *data_in,
struct lto_input_block *ib)
{
fn->static_chain_decl = streamer_hooks.read_tree(ib, data_in);
}
static void
input_function (tree fn_decl, struct data_in *data_in,
struct lto_input_block *ib)
{
struct function *fn;
enum LTO_tags tag;
fn = ((tree_check ((fn_decl), "../../../gcc-4.8~svn195526/gcc/lto-streamer-in.c", 807, __FUNCTION__, (FUNCTION_DECL)))->function_decl.f);
tag = streamer_read_record_start (ib);
input_struct_function_base (fn, data_in, ib);
input_ssa_names (ib, data_in, fn);
input_eh_regions (ib, data_in, fn);
((contains_struct_check ((fn_decl), (TS_DECL_COMMON), "../../../gcc-4.8~svn195526/gcc/lto-streamer-in.c", 823, __FUNCTION__))->decl_common.initial) = streamer_hooks.read_tree(ib, data_in);
}
static void
lto_read_body (struct lto_file_decl_data *file_data, tree fn_decl,
const char *data, enum lto_section_type section_type)
{
struct data_in *data_in;
struct lto_input_block ib_main;
input_function (fn_decl, data_in, &ib_main);
}
void
lto_input_function_body (struct lto_file_decl_data *file_data,
tree fn_decl, const char *data)
{
lto_read_body (file_data, fn_decl, data, LTO_section_function_body);
}
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