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[patch] PR lto/44184
- From: Steven Bosscher <stevenb dot gcc at gmail dot com>
- To: GCC Patches <gcc-patches at gcc dot gnu dot org>
- Cc: Diego Novillo <dnovillo at google dot com>, Richard Guenther <rguenther at suse dot de>
- Date: Tue, 18 May 2010 10:35:31 +0200
- Subject: [patch] PR lto/44184
Hi,
We forgot to stream in/out the GIMPLE_ASM labels for the new asm goto construct.
Will commit as obvious later today, unless I hear objections.
Ciao!
Steven
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.
Index: lto-streamer-out.c
===================================================================
--- lto-streamer-out.c (revision 159526)
+++ lto-streamer-out.c (working copy)
@@ -1702,6 +1702,7 @@ output_gimple_stmt (struct output_block *ob, gimpl
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 */
Index: lto-streamer-in.c
===================================================================
--- lto-streamer-in.c (revision 159526)
+++ lto-streamer-in.c (working copy)
@@ -1044,6 +1044,7 @@ input_gimple_stmt (struct lto_input_block *ib, str
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);
}
Index: testsuite/gcc.dg/lto/20100518_0.c
===================================================================
--- testsuite/gcc.dg/lto/20100518_0.c (revision 0)
+++ testsuite/gcc.dg/lto/20100518_0.c (revision 0)
@@ -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;
+}