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re PR lto/64374 (LTO ICE in extract_insn, at recog.c:2327) 

PR lto/64374
	* target.def (target_option_stream_in): New target hook.
	* tree-streamer-in.c (streamer_read_tree_bitfields): Invoke
	targetm.target_option.post_stream_in if non-NULL.
	* doc/tm.texi.in: Add @hook TARGET_OPTION_POST_STREAM_IN.
	* doc/tm.texi: Updated.
	* config/i386/i386.c (ix86_function_specific_post_stream_in): New
	function.
	(TARGET_OPTION_POST_STREAM_IN): Redefine.

From-SVN: r220958
This commit is contained in:
Jakub Jelinek 2015-02-25 07:46:22 +01:00 committed by Jakub Jelinek
parent fe21e6fcf1
commit 599131236d
6 changed files with 89 additions and 1 deletions
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12
gcc/ChangeLog
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@ -1,3 +1,15 @@
2015-02-25 Jakub Jelinek <jakub@redhat.com>
PR lto/64374
* target.def (target_option_stream_in): New target hook.
* tree-streamer-in.c (streamer_read_tree_bitfields): Invoke
targetm.target_option.post_stream_in if non-NULL.
* doc/tm.texi.in: Add @hook TARGET_OPTION_POST_STREAM_IN.
* doc/tm.texi: Updated.
* config/i386/i386.c (ix86_function_specific_post_stream_in): New
function.
(TARGET_OPTION_POST_STREAM_IN): Redefine.
2015-02-24 Jeff Law <law@redhat.com>
PR target/65117

55
gcc/config/i386/i386.c
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@ -2463,6 +2463,7 @@ static void ix86_function_specific_save (struct cl_target_option *,
struct gcc_options *opts);
static void ix86_function_specific_restore (struct gcc_options *opts,
struct cl_target_option *);
static void ix86_function_specific_post_stream_in (struct cl_target_option *);
static void ix86_function_specific_print (FILE *, int,
struct cl_target_option *);
static bool ix86_valid_target_attribute_p (tree, tree, tree, int);
@ -4571,6 +4572,57 @@ ix86_function_specific_restore (struct gcc_options *opts,
set_ix86_tune_features (ix86_tune, false);
}
/* Adjust target options after streaming them in. This is mainly about
reconciling them with global options. */
static void
ix86_function_specific_post_stream_in (struct cl_target_option *ptr)
{
/* flag_pic is a global option, but ix86_cmodel is target saved option
partly computed from flag_pic. If flag_pic is on, adjust x_ix86_cmodel
for PIC, or error out. */
if (flag_pic)
switch (ptr->x_ix86_cmodel)
{
case CM_SMALL:
ptr->x_ix86_cmodel = CM_SMALL_PIC;
break;
case CM_MEDIUM:
ptr->x_ix86_cmodel = CM_MEDIUM_PIC;
break;
case CM_LARGE:
ptr->x_ix86_cmodel = CM_LARGE_PIC;
break;
case CM_KERNEL:
error ("code model %s does not support PIC mode", "kernel");
break;
default:
break;
}
else
switch (ptr->x_ix86_cmodel)
{
case CM_SMALL_PIC:
ptr->x_ix86_cmodel = CM_SMALL;
break;
case CM_MEDIUM_PIC:
ptr->x_ix86_cmodel = CM_MEDIUM;
break;
case CM_LARGE_PIC:
ptr->x_ix86_cmodel = CM_LARGE;
break;
default:
break;
}
}
/* Print the current options */
static void
@ -52007,6 +52059,9 @@ ix86_initialize_bounds (tree var, tree lb, tree ub, tree *stmts)
#undef TARGET_OPTION_RESTORE
#define TARGET_OPTION_RESTORE ix86_function_specific_restore
#undef TARGET_OPTION_POST_STREAM_IN
#define TARGET_OPTION_POST_STREAM_IN ix86_function_specific_post_stream_in
#undef TARGET_OPTION_PRINT
#define TARGET_OPTION_PRINT ix86_function_specific_print

6
gcc/doc/tm.texi
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@ -9905,6 +9905,12 @@ information in the @code{struct cl_target_option} structure for
function-specific options to the @code{struct gcc_options} structure.
@end deftypefn
@deftypefn {Target Hook} void TARGET_OPTION_POST_STREAM_IN (struct cl_target_option *@var{ptr})
This hook is called to update target-specific information in the
@code{struct cl_target_option} structure after it is streamed in from
LTO bytecode.
@end deftypefn
@deftypefn {Target Hook} void TARGET_OPTION_PRINT (FILE *@var{file}, int @var{indent}, struct cl_target_option *@var{ptr})
This hook is called to print any additional target-specific
information in the @code{struct cl_target_option} structure for

2
gcc/doc/tm.texi.in
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@ -7251,6 +7251,8 @@ on this implementation detail.
@hook TARGET_OPTION_RESTORE
@hook TARGET_OPTION_POST_STREAM_IN
@hook TARGET_OPTION_PRINT
@hook TARGET_OPTION_PRAGMA_PARSE

9
gcc/target.def
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@ -5501,6 +5501,15 @@ information in the @code{struct cl_target_option} structure for\n\
function-specific options to the @code{struct gcc_options} structure.",
void, (struct gcc_options *opts, struct cl_target_option *ptr), NULL)
/* Function to update target-specific option information after being
streamed in. */
DEFHOOK
(post_stream_in,
"This hook is called to update target-specific information in the\n\
@code{struct cl_target_option} structure after it is streamed in from\n\
LTO bytecode.",
void, (struct cl_target_option *ptr), NULL)
/* Function to print any extra target state from the target options
structure. */
DEFHOOK

6
gcc/tree-streamer-in.c
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@ -559,7 +559,11 @@ streamer_read_tree_bitfields (struct lto_input_block *ib,
#ifndef ACCEL_COMPILER
if (CODE_CONTAINS_STRUCT (code, TS_TARGET_OPTION))
cl_target_option_stream_in (data_in, &bp, TREE_TARGET_OPTION (expr));
{
cl_target_option_stream_in (data_in, &bp, TREE_TARGET_OPTION (expr));
if (targetm.target_option.post_stream_in)
targetm.target_option.post_stream_in (TREE_TARGET_OPTION (expr));
}
#endif
if (code == OMP_CLAUSE)