------- Comment #13 from ktietz at gcc dot gnu dot org 2009-07-06 16:41 ------- By simply re-ording of arguments fos sibcall_1 and sibcall_value_1, so that c is last element, produced code is ok and no ICE I've seen. The ebx issue is pretty wrong here.
Index: gcc/gcc/config/i386/i386.md =================================================================== --- gcc.orig/gcc/config/i386/i386.md 2009-07-06 18:14:36.155670000 +0200 +++ gcc/gcc/config/i386/i386.md 2009-07-06 18:36:54.453670100 +0200 @@ -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,d,a,c")) (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,d,a,c")) (match_operand:SI 2 "" "")))] "SIBLING_CALL_P (insn) && !TARGET_64BIT" { -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38900