http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53811
Uros Bizjak <ubizjak at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2012-07-01
AssignedTo|unassigned at gcc dot |ubizjak at gmail dot com
|gnu.org |
Target Milestone|--- |4.7.2
Ever Confirmed|0 |1
--- Comment #2 from Uros Bizjak <ubizjak at gmail dot com> 2012-07-01 15:40:04
UTC ---
Can you please test following patch:
--cut here--
Index: config/i386/i386.c
===================================================================
--- config/i386/i386.c (revision 189101)
+++ config/i386/i386.c (working copy)
@@ -33056,6 +33056,13 @@ x86_output_mi_thunk (FILE *file,
emit_jump_insn (gen_indirect_jump (fnaddr));
else
{
+ if (!sibcall_insn_operand (fnaddr, Pmode))
+ {
+ tmp = gen_rtx_REG (Pmode, R10_REG);
+ emit_move_insn (tmp, fnaddr);
+ fnaddr = tmp;
+ }
+
tmp = gen_rtx_MEM (QImode, fnaddr);
tmp = gen_rtx_CALL (VOIDmode, tmp, const0_rtx);
tmp = emit_call_insn (tmp);
--cut here--
