------- Comment #7 from ktietz at gcc dot gnu dot org 2009-07-06 11:54 -------
Ok, I think I found the issue. The following patch solved the ICE here. The ebx
register wasn't allowed for sibcall_1 in i386.md, but for fastcall it can be
used for sibcalling.
I have to do a regression test for it, but it seems to work well.
Index: config/i386/i386.md
===================================================================
--- config/i386/i386.md (revision 149152)
+++ config/i386/i386.md (working copy)
@@ -15536,7 +15536,7 @@
[(set_attr "type" "call")])
(define_insn "*sibcall_1"
- [(call (mem:QI (match_operand:SI 0 "sibcall_insn_operand" "s,c,d,a"))
+ [(call (mem:QI (match_operand:SI 0 "sibcall_insn_operand" "s,c,d,a,b"))
(match_operand 1 "" ""))]
"SIBLING_CALL_P (insn) && !TARGET_64BIT"
{
@@ -22183,7 +22183,7 @@
(define_insn "*sibcall_value_1"
[(set (match_operand 0 "" "")
- (call (mem:QI (match_operand:SI 1 "sibcall_insn_operand" "s,c,d,a"))
+ (call (mem:QI (match_operand:SI 1 "sibcall_insn_operand" "s,c,d,a,b"))
(match_operand:SI 2 "" "")))]
"SIBLING_CALL_P (insn) && !TARGET_64BIT"
{
--
ktietz at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Last reconfirmed|2009-05-13 20:04:31 |2009-07-06 11:54:21
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38900
