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| author | dje <dje@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-11-20 22:42:01 +0000 |
|---|---|---|
| committer | dje <dje@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-11-20 22:42:01 +0000 |
| commit | a2509aaa1da80c518f26b5fbdcfdb6e53a5d0def (patch) | |
| tree | 06a9206319b71ba393811bbdb094a8c0bfcf8cd5 /gcc/function.c | |
| parent | ba63c2231fa2e27ce9072d42ed7df7a26f831216 (diff) | |
| download | gcc-a2509aaa1da80c518f26b5fbdcfdb6e53a5d0def.tar.gz | |
2003-11-20 Fariborz Jahanian <fjahanian@apple.com>
David Edelsohn <edelsohn@gnu.org>
* calls.c (expand_call): Allocate new temp in pass1.
(store_one_arg): If PARALLEL, calculate excess using mode size of
rtvec elt.
* expr.c (emit_push_insn): If PARALLEL, calculate offset using
mode size of rtvec elt.
* function.c (assign_parms): Use parm in register, if available.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@73775 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/function.c')
| -rw-r--r-- | gcc/function.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/gcc/function.c b/gcc/function.c index 04d34243dff..7bd31906a54 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -4704,6 +4704,15 @@ assign_parms (tree fndecl) Set DECL_RTL to that place. */ + if (GET_CODE (entry_parm) == PARALLEL && nominal_mode != BLKmode) + { + /* Objects the size of a register can be combined in registers */ + 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 (nominal_mode == BLKmode #ifdef BLOCK_REG_PADDING || (locate.where_pad == (BYTES_BIG_ENDIAN ? upward : downward) @@ -4727,7 +4736,8 @@ assign_parms (tree fndecl) assign_stack_local if space was not allocated in the argument list. If it was, this will not work if PARM_BOUNDARY is not a multiple of BITS_PER_WORD. It isn't clear how to fix this - if it becomes a problem. */ + if it becomes a problem. Exception is when BLKmode arrives + with arguments not conforming to word_mode. */ if (stack_parm == 0) { @@ -4735,7 +4745,9 @@ assign_parms (tree fndecl) PUT_MODE (stack_parm, GET_MODE (entry_parm)); set_mem_attributes (stack_parm, parm, 1); } - + else if (GET_CODE (entry_parm) == PARALLEL + && GET_MODE(entry_parm) == BLKmode) + ; else if (PARM_BOUNDARY % BITS_PER_WORD != 0) abort (); @@ -4798,7 +4810,10 @@ assign_parms (tree fndecl) move_block_from_reg (REGNO (entry_parm), mem, size_stored / UNITS_PER_WORD); } - SET_DECL_RTL (parm, stack_parm); + /* If parm is already bound to register pair, don't change + this binding. */ + if (! DECL_RTL_SET_P (parm)) + SET_DECL_RTL (parm, stack_parm); } else if (! ((! optimize && ! DECL_REGISTER (parm)) |