diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/function.c | 16 |
2 files changed, 17 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f94dfda..26349e4 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2003-12-03 David Edelsohn <edelsohn@gnu.org> + + * function.c (assign_parms): Make sure parm PARALLEL combined + in reg is composed of more than one object and the mode really + produces a reg. + 2003-12-03 Jan Hubicka <jh@suse.cz> * i386.c (classify_argument): Make it 64bit clean. diff --git a/gcc/function.c b/gcc/function.c index 9dac3e4..79334af 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -4704,13 +4704,19 @@ assign_parms (tree fndecl) Set DECL_RTL to that place. */ - if (GET_CODE (entry_parm) == PARALLEL && nominal_mode != BLKmode) + if (GET_CODE (entry_parm) == PARALLEL && nominal_mode != BLKmode + && XVECLEN (entry_parm, 0) > 1) { - /* Objects the size of a register can be combined in registers */ + /* Reconstitute objects the size of a register or larger using + register operations instead of the stack. */ rtx parmreg = gen_reg_rtx (nominal_mode); - emit_group_store (parmreg, entry_parm, TREE_TYPE (parm), - int_size_in_bytes (TREE_TYPE (parm))); - SET_DECL_RTL (parm, parmreg); + + if (REG_P (parmreg)) + { + emit_group_store (parmreg, entry_parm, TREE_TYPE (parm), + int_size_in_bytes (TREE_TYPE (parm))); + SET_DECL_RTL (parm, parmreg); + } } if (nominal_mode == BLKmode |