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tree-eh.c (do_return_redirection): Set location for jump statement. 

gcc:
2012-10-31  Dehao Chen  <dehao@google.com>

	* tree-eh.c (do_return_redirection): Set location for jump statement.
	(do_goto_redirection): Likewise.
	(frob_into_branch_around): Likewise.
	(lower_try_finally_nofallthru): Likewise.
	(lower_try_finally_copy): Likewise.
	(lower_try_finally_switch): Likewise.
	* expr.c (store_expr): Use current insn location instead of expr
	location.
	(expand_expr_real): Likewise.
	(expand_expr_real_1): Likewise.

gcc/testsuite:
2012-10-31  Dehao Chen  <dehao@google.com>

	* g++.dg/debug/dwarf2/block.C: New testcase.

From-SVN: r193053
This commit is contained in:
Dehao Chen 2012-11-01 00:08:51 +00:00 committed by Dehao Chen
parent 0f379f762d
commit 29f5bccbfc
5 changed files with 65 additions and 29 deletions
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13
gcc/ChangeLog
View File

@ -1,3 +1,16 @@
2012-10-31 Dehao Chen <dehao@google.com>
* tree-eh.c (do_return_redirection): Set location for jump statement.
(do_goto_redirection): Likewise.
(frob_into_branch_around): Likewise.
(lower_try_finally_nofallthru): Likewise.
(lower_try_finally_copy): Likewise.
(lower_try_finally_switch): Likewise.
* expr.c (store_expr): Use current insn location instead of expr
location.
(expand_expr_real): Likewise.
(expand_expr_real_1): Likewise.
2012-10-31 Easwaran Raman <eraman@google.com>
PR target/54938

41
gcc/expr.c
View File

@ -5024,7 +5024,7 @@ store_expr (tree exp, rtx target, int call_param_p, bool nontemporal)
{
rtx temp;
rtx alt_rtl = NULL_RTX;
location_t loc = EXPR_LOCATION (exp);
location_t loc = curr_insn_location ();
if (VOID_TYPE_P (TREE_TYPE (exp)))
{
@ -7863,31 +7863,7 @@ expand_expr_real (tree exp, rtx target, enum machine_mode tmode,
return ret ? ret : const0_rtx;
}
/* If this is an expression of some kind and it has an associated line
number, then emit the line number before expanding the expression.
We need to save and restore the file and line information so that
errors discovered during expansion are emitted with the right
information. It would be better of the diagnostic routines
used the file/line information embedded in the tree nodes rather
than globals. */
if (cfun && EXPR_HAS_LOCATION (exp))
{
location_t saved_location = input_location;
location_t saved_curr_loc = curr_insn_location ();
input_location = EXPR_LOCATION (exp);
set_curr_insn_location (input_location);
ret = expand_expr_real_1 (exp, target, tmode, modifier, alt_rtl);
input_location = saved_location;
set_curr_insn_location (saved_curr_loc);
}
else
{
ret = expand_expr_real_1 (exp, target, tmode, modifier, alt_rtl);
}
ret = expand_expr_real_1 (exp, target, tmode, modifier, alt_rtl);
return ret;
}
@ -9244,8 +9220,15 @@ expand_expr_real_1 (tree exp, rtx target, enum machine_mode tmode,
g = SSA_NAME_DEF_STMT (exp);
if (g)
{
rtx r = expand_expr_real (gimple_assign_rhs_to_tree (g), target,
tmode, modifier, NULL);
rtx r;
location_t saved_loc = input_location;
input_location = gimple_location (g);
set_curr_insn_location (input_location);
r = expand_expr_real (gimple_assign_rhs_to_tree (g), target,
tmode, modifier, NULL);
input_location = saved_loc;
set_curr_insn_location (saved_loc);
if (REG_P (r) && !REG_EXPR (r))
set_reg_attrs_for_decl_rtl (SSA_NAME_VAR (exp), r);
return r;
@ -9475,7 +9458,7 @@ expand_expr_real_1 (tree exp, rtx target, enum machine_mode tmode,
with non-BLKmode values. */
gcc_assert (GET_MODE (ret) != BLKmode);
val = build_decl (EXPR_LOCATION (exp),
val = build_decl (curr_insn_location (),
VAR_DECL, NULL, TREE_TYPE (exp));
DECL_ARTIFICIAL (val) = 1;
DECL_IGNORED_P (val) = 1;

4
gcc/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2012-10-31 Dehao Chen <dehao@google.com>
* g++.dg/debug/dwarf2/block.C: New testcase.
2012-10-31 Jan Hubicka <jh@suse.cz>
* gcc.dg/pr44974.c: Add noinline.

29
gcc/testsuite/g++.dg/debug/dwarf2/block.C Normal file
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@ -0,0 +1,29 @@
// Compiler should not generate too many lexical blocks for this function.
// { dg-do compile { target { i?86-*-* x86_64-*-* } } }
// { dg-options "-O0 -fno-exceptions -g -dA" }
union UElement {
void* pointer;
int integer;
};
struct UColToken {
unsigned source;
unsigned char **rulesToParseHdl;
};
int uhash_hashTokens(const union UElement k)
{
int hash = 0;
struct UColToken *key = (struct UColToken *)k.pointer;
if (key != 0) {
int len = (key->source & 0xFF000000)>>24;
int inc = ((len - 32) / 32) + 1;
const unsigned char *p = (key->source & 0x00FFFFFF)
+ *(key->rulesToParseHdl);
const unsigned char *limit = p + len;
hash = *p + *limit;
}
return hash;
}
// { dg-final { scan-assembler-not "LBB10" } }

7
gcc/tree-eh.c
View File

@ -739,6 +739,7 @@ do_return_redirection (struct goto_queue_node *q, tree finlab, gimple_seq mod)
gimple_seq_add_seq (&q->repl_stmt, mod);
x = gimple_build_goto (finlab);
gimple_set_location (x, q->location);
gimple_seq_add_stmt (&q->repl_stmt, x);
}
@ -758,6 +759,7 @@ do_goto_redirection (struct goto_queue_node *q, tree finlab, gimple_seq mod,
gimple_seq_add_seq (&q->repl_stmt, mod);
x = gimple_build_goto (finlab);
gimple_set_location (x, q->location);
gimple_seq_add_stmt (&q->repl_stmt, x);
}
@ -857,6 +859,7 @@ frob_into_branch_around (gimple tp, eh_region region, tree over)
if (!over)
over = create_artificial_label (loc);
x = gimple_build_goto (over);
gimple_set_location (x, loc);
gimple_seq_add_stmt (&cleanup, x);
}
gimple_seq_add_seq (&eh_seq, cleanup);
@ -1085,6 +1088,7 @@ lower_try_finally_nofallthru (struct leh_state *state,
emit_post_landing_pad (&eh_seq, tf->region);
x = gimple_build_goto (lab);
gimple_set_location (x, gimple_location (tf->try_finally_expr));
gimple_seq_add_stmt (&eh_seq, x);
}
}
@ -1223,6 +1227,7 @@ lower_try_finally_copy (struct leh_state *state, struct leh_tf_state *tf)
tmp = lower_try_finally_fallthru_label (tf);
x = gimple_build_goto (tmp);
gimple_set_location (x, tf_loc);
gimple_seq_add_stmt (&new_stmt, x);
}
@ -1395,6 +1400,7 @@ lower_try_finally_switch (struct leh_state *state, struct leh_tf_state *tf)
tmp = lower_try_finally_fallthru_label (tf);
x = gimple_build_goto (tmp);
gimple_set_location (x, tf_loc);
gimple_seq_add_stmt (&switch_body, x);
}
@ -1423,6 +1429,7 @@ lower_try_finally_switch (struct leh_state *state, struct leh_tf_state *tf)
gimple_seq_add_stmt (&eh_seq, x);
x = gimple_build_goto (finally_label);
gimple_set_location (x, tf_loc);
gimple_seq_add_stmt (&eh_seq, x);
tmp = build_int_cst (integer_type_node, eh_index);