From 4189fb53f29a76336dec42fa20572af538aeb055 Mon Sep 17 00:00:00 2001 From: Joern Rennecke Date: Sat, 26 Nov 2011 09:21:47 +0000 Subject: [PATCH] re PR middle-end/50074 (gcc.dg/sibcall-6.c execution test on x86_64 with -fPIC) PR middle-end/50074 * calls.c (mem_overlaps_already_clobbered_arg_p): Return false if no outgoing arguments have been stored so far. From-SVN: r181738 --- gcc/ChangeLog | 6 ++++++ gcc/calls.c | 2 ++ 2 files changed, 8 insertions(+) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7dbd9a89c46..289ed643633 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2011-11-26 Joern Rennecke + + PR middle-end/50074 + * calls.c (mem_overlaps_already_clobbered_arg_p): + Return false if no outgoing arguments have been stored so far. + 2011-11-25 Georg-Johann Lay * config/avr/avr.c (print_operand): Support code = 'i' for CONST_INT. diff --git a/gcc/calls.c b/gcc/calls.c index 382de7fcdeb..316f1481ca0 100644 --- a/gcc/calls.c +++ b/gcc/calls.c @@ -1668,6 +1668,8 @@ mem_overlaps_already_clobbered_arg_p (rtx addr, unsigned HOST_WIDE_INT size) { HOST_WIDE_INT i; + if (sbitmap_empty_p (stored_args_map)) + return false; if (addr == crtl->args.internal_arg_pointer) i = 0; else if (GET_CODE (addr) == PLUS