https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61377
Jack Howarth <howarth.at.gcc at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |howarth.at.gcc at gmail dot com --- Comment #2 from Jack Howarth <howarth.at.gcc at gmail dot com> --- (In reply to Dominique d'Humieres from comment #1) > Caused by r211089. Fixed by the patch at > https://gcc.gnu.org/ml/gcc-patches/2014-05/msg02689.html. The patch posted there is malformed. It appears to have been hand-editted to remove⦠[(set_attr "type" "call")]) +; TODO +(define_peephole2 + [(set (match_operand:DI 0 "register_operand") + (match_operand:DI 1 "memory_operand")) + (unspec_volatile [(const_int 0)] UNSPECV_BLOCKAGE)] + "TARGET_64BIT" + [(unspec_volatile [(const_int 0)] UNSPECV_BLOCKAGE) + (set (match_dup 0) + (match_dup 1))]) + +(define_peephole2 + [(set (match_operand:SI 0 "register_operand") + (match_operand:SI 1 "memory_operand")) + (unspec_volatile [(const_int 0)] UNSPECV_BLOCKAGE)] + "!TARGET_64BIT" + [(unspec_volatile [(const_int 0)] UNSPECV_BLOCKAGE) + (set (match_dup 0) + (match_dup 1))]) + +(define_peephole2 + [(set (match_operand:DI 0 "register_operand") + (match_operand:DI 1 "memory_operand")) + (call (mem:QI (match_operand:DI 2 "register_operand")) + (match_operand 3))] + "TARGET_64BIT && REG_P (operands[0]) && 0 + && REG_P (operands[2]) + && REGNO (operands[0]) == REGNO (operands[2])" + [(call (mem:QI (match_dup 1)) (match_dup 1))]) + (define_expand "call_pop" [(parallel [(call (match_operand:QI 0) (match_operand:SI 1)) from the original patch at http://gcc.gnu.org/ml/gcc-patches/2014-05/msg02686.html rather than having been properly regenerated. Is unclear what exactly was approved here.