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re PR lto/44184 ("asm goto" does not work with LTO)

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gcc/
	PR lto/44184
	* lto-streamer-out.c (output_gimple_stmt): Output number of labels
	in a GIMPLE_ASM.
	* lto-streamer-in.c (input_gimple_stmt): Read number of labels
	in a GIMPLE_ASM.

testsuite/
	PR lto/44184
	* gcc.dg/lto/20100518_0.c: New test.

From-SVN: r159531
This commit is contained in:
Steven Bosscher 2010-05-18 13:51:50 +00:00
parent 1307793110
commit 174f391c12
5 changed files with 28 additions and 0 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2010-05-18 Steven Bosscher <steven@gcc.gnu.org>
PR lto/44184
* lto-streamer-out.c (output_gimple_stmt): Output number of labels
in a GIMPLE_ASM.
* lto-streamer-in.c (input_gimple_stmt): Read number of labels
in a GIMPLE_ASM.
2010-05-18 Jakub Jelinek <jakub@redhat.com>
PR debug/41371

1
gcc/lto-streamer-in.c
View file

@ -1044,6 +1044,7 @@ input_gimple_stmt (struct lto_input_block *ib, struct data_in *data_in,
stmt->gimple_asm.ni = lto_input_uleb128 (ib);
stmt->gimple_asm.no = lto_input_uleb128 (ib);
stmt->gimple_asm.nc = lto_input_uleb128 (ib);
stmt->gimple_asm.nl = lto_input_uleb128 (ib);
str = input_string_cst (data_in, ib);
stmt->gimple_asm.string = TREE_STRING_POINTER (str);
}

1
gcc/lto-streamer-out.c
View file

@ -1702,6 +1702,7 @@ output_gimple_stmt (struct output_block *ob, gimple stmt)
lto_output_uleb128_stream (ob->main_stream, gimple_asm_ninputs (stmt));
lto_output_uleb128_stream (ob->main_stream, gimple_asm_noutputs (stmt));
lto_output_uleb128_stream (ob->main_stream, gimple_asm_nclobbers (stmt));
lto_output_uleb128_stream (ob->main_stream, gimple_asm_nlabels (stmt));
output_string (ob, ob->main_stream, gimple_asm_string (stmt));
/* Fallthru */

5
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,8 @@
2010-05-18 Steven Bosscher <steven@gcc.gnu.org>
PR lto/44184
* gcc.dg/lto/20100518_0.c: New test.
2010-05-18 Eric Botcazou <ebotcazou@adacore.com>
* gnat.dg/specs/lto3.ads: Add missing dg-options.

13
gcc/testsuite/gcc.dg/lto/20100518_0.c Normal file
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@ -0,0 +1,13 @@
/* { dg-lto-do assemble } */
/* Forgot to steam in/out the number of labels for asm goto. PR44184. */
extern int printf (__const char *__restrict __format, ...);
int x = 1;
int main ()
{
asm goto ("decl %0; jnz %l[a]" :: "m"(x) : "memory" : a);
printf ("Hello world\n");
a:
return 0;
}