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c-parser.c (c_parser_asm_string_literal): Clear warn_overlength_strings.

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gcc
	* c-parser.c (c_parser_asm_string_literal): Clear
	warn_overlength_strings.
gcc/testsuite
	* gcc.dg/Woverlength-strings-pedantic-c90-asm.c: New file.
	* gcc.dg/Woverlength-strings-pedantic-c89-asm.c: New file.
	* gcc.dg/Woverlength-strings-pedantic-c99-asm.c: New file.

From-SVN: r170948
This commit is contained in:
Tom Tromey 2011-03-14 18:01:10 +00:00 • committed by Tom Tromey
parent b3ab9ea297
commit 87f9e23daf
6 changed files with 157 additions and 0 deletions
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5
gcc/ChangeLog
View file

@ -1,3 +1,8 @@
2011-03-14 Tom Tromey <tromey@redhat.com>
* c-parser.c (c_parser_asm_string_literal): Clear
warn_overlength_strings.
2011-03-14 Tom Tromey <tromey@redhat.com>
* c-parser.c (disable_extension_diagnostics): Save

3
gcc/c-parser.c
View file

@ -3264,6 +3264,8 @@ static tree
c_parser_asm_string_literal (c_parser *parser)
{
tree str;
int save_flag = warn_overlength_strings;
warn_overlength_strings = 0;
if (c_parser_next_token_is (parser, CPP_STRING))
{
str = c_parser_peek_token (parser)->value;
@ -3281,6 +3283,7 @@ c_parser_asm_string_literal (c_parser *parser)
c_parser_error (parser, "expected string literal");
str = NULL_TREE;
}
warn_overlength_strings = save_flag;
return str;
}

6
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,9 @@
2011-03-14 Tom Tromey <tromey@redhat.com>
* gcc.dg/Woverlength-strings-pedantic-c90-asm.c: New file.
* gcc.dg/Woverlength-strings-pedantic-c89-asm.c: New file.
* gcc.dg/Woverlength-strings-pedantic-c99-asm.c: New file.
2011-03-14 Tom Tromey <tromey@redhat.com>
* gcc.dg/Woverlength-strings-pedantic-c89-ext.c: New file.

47
gcc/testsuite/gcc.dg/Woverlength-strings-pedantic-c89-asm.c Normal file
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@ -0,0 +1,47 @@
/* -Woverlength-strings complains about string constants which are too long
for the C standard's "minimum maximum" limits. It is off by default,
but implied by -pedantic. */
/* { dg-options "-std=c89 -pedantic" } */
#define TEN " "
#define HUN TEN TEN TEN TEN TEN TEN TEN TEN TEN TEN
#define THO HUN HUN HUN HUN HUN HUN HUN HUN HUN HUN
/* C89's minimum-maximum is 509. */
__asm__ (HUN HUN HUN HUN HUN TEN);
/* C99's minimum-maximum is 4095. */
__asm__ (
THO THO THO THO /* 4000 */
TEN TEN TEN TEN TEN /* 4050 */
TEN TEN TEN TEN /* 4090 */
"123456");
void
f (void)
{
/* C89's minimum-maximum is 509. */
__asm__ (HUN HUN HUN HUN HUN TEN);
__asm__ (HUN HUN HUN HUN HUN TEN : : );
__asm__ goto (HUN HUN HUN HUN HUN TEN : : : : label);
/* C99's minimum-maximum is 4095. */
__asm__ (
THO THO THO THO /* 4000 */
TEN TEN TEN TEN TEN /* 4050 */
TEN TEN TEN TEN /* 4090 */
"123456");
__asm__ (
THO THO THO THO /* 4000 */
TEN TEN TEN TEN TEN /* 4050 */
TEN TEN TEN TEN /* 4090 */
"123456" : : );
__asm__ goto (
THO THO THO THO /* 4000 */
TEN TEN TEN TEN TEN /* 4050 */
TEN TEN TEN TEN /* 4090 */
"123456" : : : : label);
label: ;
}

48
gcc/testsuite/gcc.dg/Woverlength-strings-pedantic-c90-asm.c Normal file
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@ -0,0 +1,48 @@
/* -Woverlength-strings complains about string constants which are too long
for the C standard's "minimum maximum" limits. It is off by default,
but implied by -pedantic. */
/* { dg-options "-std=c90 -pedantic" } */
#define TEN " "
#define HUN TEN TEN TEN TEN TEN TEN TEN TEN TEN TEN
#define THO HUN HUN HUN HUN HUN HUN HUN HUN HUN HUN
/* C89's minimum-maximum is 509. */
__asm__ (HUN HUN HUN HUN HUN TEN);
/* C99's minimum-maximum is 4095. */
__asm__ (
THO THO THO THO /* 4000 */
TEN TEN TEN TEN TEN /* 4050 */
TEN TEN TEN TEN /* 4090 */
"123456");
void
f (void)
{
/* C89's minimum-maximum is 509. */
__asm__ (HUN HUN HUN HUN HUN TEN);
__asm__ (HUN HUN HUN HUN HUN TEN : :);
__asm__ goto (HUN HUN HUN HUN HUN TEN : : : : label);
/* C99's minimum-maximum is 4095. */
__asm__ (
THO THO THO THO /* 4000 */
TEN TEN TEN TEN TEN /* 4050 */
TEN TEN TEN TEN /* 4090 */
"123456");
__asm__ (
THO THO THO THO /* 4000 */
TEN TEN TEN TEN TEN /* 4050 */
TEN TEN TEN TEN /* 4090 */
"123456" : :);
__asm__ goto (
THO THO THO THO /* 4000 */
TEN TEN TEN TEN TEN /* 4050 */
TEN TEN TEN TEN /* 4090 */
"123456" : : : : label);
label: ;
}

48
gcc/testsuite/gcc.dg/Woverlength-strings-pedantic-c99-asm.c Normal file
View file

@ -0,0 +1,48 @@
/* -Woverlength-strings complains about string constants which are too long
for the C standard's "minimum maximum" limits. It is off by default,
but implied by -pedantic. */
/* { dg-options "-std=c99 -pedantic" } */
#define TEN " "
#define HUN TEN TEN TEN TEN TEN TEN TEN TEN TEN TEN
#define THO HUN HUN HUN HUN HUN HUN HUN HUN HUN HUN
/* C89's minimum-maximum is 509. */
__asm__ (HUN HUN HUN HUN HUN TEN);
/* C99's minimum-maximum is 4095. */
__asm__ (
THO THO THO THO /* 4000 */
TEN TEN TEN TEN TEN /* 4050 */
TEN TEN TEN TEN /* 4090 */
"123456");
void
f (void)
{
/* C89's minimum-maximum is 509. */
__asm__ (HUN HUN HUN HUN HUN TEN);
__asm__ (HUN HUN HUN HUN HUN TEN : :);
__asm__ goto (HUN HUN HUN HUN HUN TEN : : : : label);
/* C99's minimum-maximum is 4095. */
__asm__ (
THO THO THO THO /* 4000 */
TEN TEN TEN TEN TEN /* 4050 */
TEN TEN TEN TEN /* 4090 */
"123456");
__asm__ (
THO THO THO THO /* 4000 */
TEN TEN TEN TEN TEN /* 4050 */
TEN TEN TEN TEN /* 4090 */
"123456" : :);
__asm__ goto (
THO THO THO THO /* 4000 */
TEN TEN TEN TEN TEN /* 4050 */
TEN TEN TEN TEN /* 4090 */
"123456" : : : : label);
label: ;
}