Provide extension hint for aarch64 target (PR driver/83193).

2018-10-31  Martin Liska  <mliska@suse.cz>

	PR driver/83193
	* common/config/aarch64/aarch64-common.c (aarch64_parse_extension):
	Add new argument invalid_extension.
	(aarch64_get_all_extension_candidates): New function.
	(aarch64_rewrite_selected_cpu): Add NULL to function call.
	* config/aarch64/aarch64-protos.h (aarch64_parse_extension): Add
	new argument.
	(aarch64_get_all_extension_candidates): New function.
	* config/aarch64/aarch64.c (aarch64_parse_arch): Add new
	argument invalid_extension.
	(aarch64_parse_cpu): Likewise.
	(aarch64_print_hint_for_extensions): New function.
	(aarch64_validate_mcpu): Provide hint about invalid extension.
	(aarch64_validate_march): Likewise.
	(aarch64_handle_attr_arch): Pass new argument.
	(aarch64_handle_attr_cpu): Provide hint about invalid extension.
	(aarch64_handle_attr_isa_flags): Likewise.
2018-10-31  Martin Liska  <mliska@suse.cz>

	PR driver/83193
	* gcc.target/aarch64/spellcheck_7.c: New test.
	* gcc.target/aarch64/spellcheck_8.c: New test.
	* gcc.target/aarch64/spellcheck_9.c: New test.

From-SVN: r265686
This commit is contained in:
Martin Liska 2018-10-31 15:46:17 +01:00 committed by Martin Liska
parent ff65e98035
commit c788734738
8 changed files with 140 additions and 20 deletions

View file

@ -1,3 +1,23 @@
2018-10-31 Martin Liska <mliska@suse.cz>
PR driver/83193
* common/config/aarch64/aarch64-common.c (aarch64_parse_extension):
Add new argument invalid_extension.
(aarch64_get_all_extension_candidates): New function.
(aarch64_rewrite_selected_cpu): Add NULL to function call.
* config/aarch64/aarch64-protos.h (aarch64_parse_extension): Add
new argument.
(aarch64_get_all_extension_candidates): New function.
* config/aarch64/aarch64.c (aarch64_parse_arch): Add new
argument invalid_extension.
(aarch64_parse_cpu): Likewise.
(aarch64_print_hint_for_extensions): New function.
(aarch64_validate_mcpu): Provide hint about invalid extension.
(aarch64_validate_march): Likewise.
(aarch64_handle_attr_arch): Pass new argument.
(aarch64_handle_attr_cpu): Provide hint about invalid extension.
(aarch64_handle_attr_isa_flags): Likewise.
2018-10-31 Richard Biener <rguenther@suse.de>
PR middle-end/70359

View file

@ -220,10 +220,13 @@ static const struct arch_to_arch_name all_architectures[] =
/* Parse the architecture extension string STR and update ISA_FLAGS
with the architecture features turned on or off. Return a
aarch64_parse_opt_result describing the result. */
aarch64_parse_opt_result describing the result.
When the STR string contains an invalid extension,
a copy of the string is created and stored to INVALID_EXTENSION. */
enum aarch64_parse_opt_result
aarch64_parse_extension (const char *str, unsigned long *isa_flags)
aarch64_parse_extension (const char *str, unsigned long *isa_flags,
std::string *invalid_extension)
{
/* The extension string is parsed left to right. */
const struct aarch64_option_extension *opt = NULL;
@ -274,6 +277,8 @@ aarch64_parse_extension (const char *str, unsigned long *isa_flags)
if (opt->name == NULL)
{
/* Extension not found in list. */
if (invalid_extension)
*invalid_extension = std::string (str, len);
return AARCH64_PARSE_INVALID_FEATURE;
}
@ -283,6 +288,16 @@ aarch64_parse_extension (const char *str, unsigned long *isa_flags)
return AARCH64_PARSE_OK;
}
/* Append all architecture extension candidates to the CANDIDATES vector. */
void
aarch64_get_all_extension_candidates (auto_vec<const char *> *candidates)
{
const struct aarch64_option_extension *opt;
for (opt = all_extensions; opt->name != NULL; opt++)
candidates->safe_push (opt->name);
}
/* Return a string representation of ISA_FLAGS. DEFAULT_ARCH_FLAGS
gives the default set of flags which are implied by whatever -march
we'd put out. Our job is to figure out the minimal set of "+" and
@ -370,7 +385,7 @@ aarch64_rewrite_selected_cpu (const char *name)
fatal_error (input_location, "unknown value %qs for -mcpu", name);
unsigned long extensions = p_to_a->flags;
aarch64_parse_extension (extension_str.c_str (), &extensions);
aarch64_parse_extension (extension_str.c_str (), &extensions, NULL);
std::string outstr = a_to_an->arch_name
+ aarch64_get_extension_string_for_isa_flags (extensions,

View file

@ -613,7 +613,9 @@ bool aarch64_handle_option (struct gcc_options *, struct gcc_options *,
const struct cl_decoded_option *, location_t);
const char *aarch64_rewrite_selected_cpu (const char *name);
enum aarch64_parse_opt_result aarch64_parse_extension (const char *,
unsigned long *);
unsigned long *,
std::string *);
void aarch64_get_all_extension_candidates (auto_vec<const char *> *candidates);
std::string aarch64_get_extension_string_for_isa_flags (unsigned long,
unsigned long);

View file

@ -10545,11 +10545,13 @@ static void initialize_aarch64_code_model (struct gcc_options *);
/* Parse the TO_PARSE string and put the architecture struct that it
selects into RES and the architectural features into ISA_FLAGS.
Return an aarch64_parse_opt_result describing the parse result.
If there is an error parsing, RES and ISA_FLAGS are left unchanged. */
If there is an error parsing, RES and ISA_FLAGS are left unchanged.
When the TO_PARSE string contains an invalid extension,
a copy of the string is created and stored to INVALID_EXTENSION. */
static enum aarch64_parse_opt_result
aarch64_parse_arch (const char *to_parse, const struct processor **res,
unsigned long *isa_flags)
unsigned long *isa_flags, std::string *invalid_extension)
{
char *ext;
const struct processor *arch;
@ -10580,7 +10582,7 @@ aarch64_parse_arch (const char *to_parse, const struct processor **res,
{
/* TO_PARSE string contains at least one extension. */
enum aarch64_parse_opt_result ext_res
= aarch64_parse_extension (ext, &isa_temp);
= aarch64_parse_extension (ext, &isa_temp, invalid_extension);
if (ext_res != AARCH64_PARSE_OK)
return ext_res;
@ -10600,11 +10602,13 @@ aarch64_parse_arch (const char *to_parse, const struct processor **res,
/* Parse the TO_PARSE string and put the result tuning in RES and the
architecture flags in ISA_FLAGS. Return an aarch64_parse_opt_result
describing the parse result. If there is an error parsing, RES and
ISA_FLAGS are left unchanged. */
ISA_FLAGS are left unchanged.
When the TO_PARSE string contains an invalid extension,
a copy of the string is created and stored to INVALID_EXTENSION. */
static enum aarch64_parse_opt_result
aarch64_parse_cpu (const char *to_parse, const struct processor **res,
unsigned long *isa_flags)
unsigned long *isa_flags, std::string *invalid_extension)
{
char *ext;
const struct processor *cpu;
@ -10636,7 +10640,7 @@ aarch64_parse_cpu (const char *to_parse, const struct processor **res,
{
/* TO_PARSE string contains at least one extension. */
enum aarch64_parse_opt_result ext_res
= aarch64_parse_extension (ext, &isa_temp);
= aarch64_parse_extension (ext, &isa_temp, invalid_extension);
if (ext_res != AARCH64_PARSE_OK)
return ext_res;
@ -11118,6 +11122,26 @@ aarch64_print_hint_for_arch (const char *str)
aarch64_print_hint_for_core_or_arch (str, true);
}
/* Print a hint with a suggestion for an extension name
that most closely resembles what the user passed in STR. */
void
aarch64_print_hint_for_extensions (const std::string &str)
{
auto_vec<const char *> candidates;
aarch64_get_all_extension_candidates (&candidates);
char *s;
const char *hint = candidates_list_and_hint (str.c_str (), s, candidates);
if (hint)
inform (input_location, "valid arguments are: %s;"
" did you mean %qs?", s, hint);
else
inform (input_location, "valid arguments are: %s;", s);
XDELETEVEC (s);
}
/* Validate a command-line -mcpu option. Parse the cpu and extensions (if any)
specified in STR and throw errors if appropriate. Put the results if
they are valid in RES and ISA_FLAGS. Return whether the option is
@ -11127,8 +11151,9 @@ static bool
aarch64_validate_mcpu (const char *str, const struct processor **res,
unsigned long *isa_flags)
{
std::string invalid_extension;
enum aarch64_parse_opt_result parse_res
= aarch64_parse_cpu (str, res, isa_flags);
= aarch64_parse_cpu (str, res, isa_flags, &invalid_extension);
if (parse_res == AARCH64_PARSE_OK)
return true;
@ -11143,7 +11168,9 @@ aarch64_validate_mcpu (const char *str, const struct processor **res,
aarch64_print_hint_for_core (str);
break;
case AARCH64_PARSE_INVALID_FEATURE:
error ("invalid feature modifier in %<-mcpu=%s%>", str);
error ("invalid feature modifier %qs in %<-mcpu=%s%>",
invalid_extension.c_str (), str);
aarch64_print_hint_for_extensions (invalid_extension);
break;
default:
gcc_unreachable ();
@ -11161,8 +11188,9 @@ static bool
aarch64_validate_march (const char *str, const struct processor **res,
unsigned long *isa_flags)
{
std::string invalid_extension;
enum aarch64_parse_opt_result parse_res
= aarch64_parse_arch (str, res, isa_flags);
= aarch64_parse_arch (str, res, isa_flags, &invalid_extension);
if (parse_res == AARCH64_PARSE_OK)
return true;
@ -11177,7 +11205,9 @@ aarch64_validate_march (const char *str, const struct processor **res,
aarch64_print_hint_for_arch (str);
break;
case AARCH64_PARSE_INVALID_FEATURE:
error ("invalid feature modifier in %<-march=%s%>", str);
error ("invalid feature modifier %qs in %<-march=%s%>",
invalid_extension.c_str (), str);
aarch64_print_hint_for_extensions (invalid_extension);
break;
default:
gcc_unreachable ();
@ -11577,8 +11607,9 @@ static bool
aarch64_handle_attr_arch (const char *str)
{
const struct processor *tmp_arch = NULL;
std::string invalid_extension;
enum aarch64_parse_opt_result parse_res
= aarch64_parse_arch (str, &tmp_arch, &aarch64_isa_flags);
= aarch64_parse_arch (str, &tmp_arch, &aarch64_isa_flags, &invalid_extension);
if (parse_res == AARCH64_PARSE_OK)
{
@ -11598,7 +11629,9 @@ aarch64_handle_attr_arch (const char *str)
aarch64_print_hint_for_arch (str);
break;
case AARCH64_PARSE_INVALID_FEATURE:
error ("invalid value (\"%s\") in %<target()%> pragma or attribute", str);
error ("invalid feature modifier %s of value (\"%s\") in "
"%<target()%> pragma or attribute", invalid_extension.c_str (), str);
aarch64_print_hint_for_extensions (invalid_extension);
break;
default:
gcc_unreachable ();
@ -11613,8 +11646,9 @@ static bool
aarch64_handle_attr_cpu (const char *str)
{
const struct processor *tmp_cpu = NULL;
std::string invalid_extension;
enum aarch64_parse_opt_result parse_res
= aarch64_parse_cpu (str, &tmp_cpu, &aarch64_isa_flags);
= aarch64_parse_cpu (str, &tmp_cpu, &aarch64_isa_flags, &invalid_extension);
if (parse_res == AARCH64_PARSE_OK)
{
@ -11637,7 +11671,9 @@ aarch64_handle_attr_cpu (const char *str)
aarch64_print_hint_for_core (str);
break;
case AARCH64_PARSE_INVALID_FEATURE:
error ("invalid value (\"%s\") in %<target()%> pragma or attribute", str);
error ("invalid feature modifier %s of value (\"%s\") in "
"%<target()%> pragma or attribute", invalid_extension.c_str (), str);
aarch64_print_hint_for_extensions (invalid_extension);
break;
default:
gcc_unreachable ();
@ -11695,7 +11731,8 @@ aarch64_handle_attr_isa_flags (char *str)
str += 8;
}
parse_res = aarch64_parse_extension (str, &isa_flags);
std::string invalid_extension;
parse_res = aarch64_parse_extension (str, &isa_flags, &invalid_extension);
if (parse_res == AARCH64_PARSE_OK)
{
@ -11710,7 +11747,8 @@ aarch64_handle_attr_isa_flags (char *str)
break;
case AARCH64_PARSE_INVALID_FEATURE:
error ("invalid value (\"%s\") in %<target()%> pragma or attribute", str);
error ("invalid feature modifier %s of value (\"%s\") in "
"%<target()%> pragma or attribute", invalid_extension.c_str (), str);
break;
default:

View file

@ -1,3 +1,10 @@
2018-10-31 Martin Liska <mliska@suse.cz>
PR driver/83193
* gcc.target/aarch64/spellcheck_7.c: New test.
* gcc.target/aarch64/spellcheck_8.c: New test.
* gcc.target/aarch64/spellcheck_9.c: New test.
2018-10-31 Nathan Sidwell <nathan@acm.org>
* g++.dg/lookup/using60.C: New.

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@ -0,0 +1,12 @@
/* { dg-do compile } */
/* { dg-skip-if "" { *-*-* } { "-march=*" } { "" } } */
/* { dg-skip-if "" { *-*-* } { "-mcpu=*" } { "" } } */
/* { dg-options "-march=armv8-a+typo" } */
void
foo ()
{
}
/* { dg-error "invalid feature modifier .typo. in .-march=armv8-a\\+typo." "" { target *-*-* } 0 } */
/* { dg-message "valid arguments are: \[^\n\r]*;'?" "" { target *-*-* } 0 } */

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@ -0,0 +1,13 @@
/* { dg-do compile } */
/* { dg-skip-if "" { *-*-* } { "-march=*" } { "" } } */
/* { dg-skip-if "" { *-*-* } { "-mcpu=*" } { "" } } */
/* { dg-options "-march=armv8-a+cripto" } */
void
foo ()
{
}
/* { dg-error "invalid feature modifier .cripto. in .-march=armv8-a\\+cripto." "" { target *-*-* } 0 } */
/* { dg-message "valid arguments are: \[^\n\r]*; did you mean .crypto.?" "" { target *-*-* } 0 } */

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@ -0,0 +1,13 @@
/* { dg-do compile } */
/* { dg-skip-if "" { *-*-* } { "-march=*" } { "" } } */
/* { dg-skip-if "" { *-*-* } { "-mcpu=*" } { "" } } */
/* { dg-options "-mcpu=thunderx+cripto" } */
void
foo ()
{
}
/* { dg-error "invalid feature modifier .cripto. in .-mcpu=thunderx\\+cripto." "" { target *-*-* } 0 } */
/* { dg-message "valid arguments are: \[^\n\r]*; did you mean .crypto.?" "" { target *-*-* } 0 } */