PR inline-asm/6806

        * cselib.c (cselib_invalidate_rtx): Export.  Remove unused args.
        (cselib_invalidate_rtx_note_stores): New.
        (cselib_record_sets, cselib_process_insn): Update to match.
        * cselib.h (cselib_invalidate_rtx): Declare.
        * postreload.c (reload_cse_simplify): Invalidate asm clobbers.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@87432 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 34 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/i386-asm-3.c b/gcc/testsuite/gcc.dg/i386-asm-3.c
new file mode 100644
index 00000000000..f60f7d6378a
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/i386-asm-3.c
@@ -0,0 +1,34 @@
+/* PR inline-asm/6806 */
+/* { dg-do run { target i?86-*-* } } */
+/* { dg-options "-O2" } */
+
+extern void abort (void);
+
+volatile int out = 1;
+volatile int a = 2;
+volatile int b = 4;
+volatile int c = 8;
+volatile int d = 16;
+volatile int e = 32;
+volatile int f = 64;
+
+int
+main ()
+{
+  asm volatile ("xorl %%eax, %%eax	\n\t"
+		"xorl %%esi, %%esi	\n\t"
+		"addl %1, %0		\n\t"
+		"addl %2, %0		\n\t"
+		"addl %3, %0		\n\t"
+		"addl %4, %0		\n\t"
+		"addl %5, %0		\n\t"
+		"addl %6, %0"
+		: "+r" (out)
+		: "r" (a), "r" (b), "r" (c), "g" (d), "g" (e), "g" (f)
+		: "%eax", "%esi");
+
+  if (out != 127)
+    abort ();
+
+  return 0;
+}