diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/function.c | 4 |
2 files changed, 9 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 1c51e75..45889f2 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Wed Jan 20 18:15:08 1999 Dave Brolley <brolley@cygnus.com> + + * function.c (assign_parms): Save and restore setting of + TREE_USED (parm). + Wed Jan 20 12:51:42 1999 Mark Mitchell <mark@markmitchell.com> * arm.md: Use MEM_COPY_ATTRIBUTES where appropriate throughout. diff --git a/gcc/function.c b/gcc/function.c index 8a67457..1cb8c44 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -4378,6 +4378,7 @@ assign_parms (fndecl, second_time) if (nominal_mode != passed_mode || promoted_nominal_mode != promoted_mode) { + int save_tree_used; /* ENTRY_PARM has been converted to PROMOTED_MODE, its mode, by the caller. We now have to convert it to NOMINAL_MODE, if different. However, PARMREG may be in @@ -4404,8 +4405,11 @@ assign_parms (fndecl, second_time) push_to_sequence (conversion_insns); tempreg = convert_to_mode (nominal_mode, tempreg, unsignedp); + /* TREE_USED gets set erroneously during expand_assignment. */ + save_tree_used = TREE_USED (parm); expand_assignment (parm, make_tree (nominal_type, tempreg), 0, 0); + TREE_USED (parm) = save_tree_used; conversion_insns = get_insns (); did_conversion = 1; end_sequence (); |