From b3caaea33d96918374ea97a7f923f40e1fb2d681 Mon Sep 17 00:00:00 2001 From: law Date: Tue, 16 Feb 1999 20:42:28 +0000 Subject: * calls.c (store_one_arg): Mark any slots used for the argument as in-use immediately after we're done saving any slots which will be overwritten by this argument. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@25256 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/ChangeLog | 6 ++++++ gcc/calls.c | 15 ++++++++------- 2 files changed, 14 insertions(+), 7 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a1b00de7c3c..687702afd55 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +Tue Feb 16 21:29:38 1999 Jeffrey A Law (law@cygnus.com) + + * calls.c (store_one_arg): Mark any slots used for the argument + as in-use immediately after we're done saving any slots which + will be overwritten by this argument. + Tue Feb 16 21:02:07 1999 Anton Hartl * rs6000.md (call_value): Fix typo. diff --git a/gcc/calls.c b/gcc/calls.c index b5bb745c7e7..b8f825c53b6 100644 --- a/gcc/calls.c +++ b/gcc/calls.c @@ -3558,6 +3558,14 @@ store_one_arg (arg, argblock, may_be_alloca, variable_size, } } } + + /* Now that we have saved any slots that will be overwritten by this + store, mark all slots this store will use. We must do this before + we actually expand the argument since the expansion itself may + trigger library calls which might need to use the same stack slot. */ + if (argblock && ! variable_size && arg->stack) + for (i = lower_bound; i < upper_bound; i++) + stack_usage_map[i] = 1; #endif /* If this isn't going to be placed on both the stack and in registers, @@ -3733,11 +3741,4 @@ store_one_arg (arg, argblock, may_be_alloca, variable_size, preserve_temp_slots (NULL_RTX); free_temp_slots (); pop_temp_slots (); - -#ifdef ACCUMULATE_OUTGOING_ARGS - /* Now mark the segment we just used. */ - if (argblock && ! variable_size && arg->stack) - for (i = lower_bound; i < upper_bound; i++) - stack_usage_map[i] = 1; -#endif } -- cgit v1.2.1