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| author | Richard Kenner <kenner@gcc.gnu.org> | 1995-11-12 18:09:22 -0500 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1995-11-12 18:09:22 -0500 |
| commit | 0006e95bb3eeefdce22d084ea058f715cbcaf0bd (patch) | |
| tree | e7a652e5e8c104a75e6aa6daf537532f8b2ea67e /gcc/function.c | |
| parent | eae26de54197dad4c48edfb1171fb331349fd845 (diff) | |
| download | gcc-0006e95bb3eeefdce22d084ea058f715cbcaf0bd.zip gcc-0006e95bb3eeefdce22d084ea058f715cbcaf0bd.tar.gz gcc-0006e95bb3eeefdce22d084ea058f715cbcaf0bd.tar.bz2 | |
(put_reg_into_stack): New arg volatile_p.
(put_var_into_stack): Call with new arg.
From-SVN: r10579
Diffstat (limited to 'gcc/function.c')
| -rw-r--r-- | gcc/function.c | 33 |
1 files changed, 19 insertions, 14 deletions
diff --git a/gcc/function.c b/gcc/function.c index 25a4911..b3e7109 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -424,7 +424,8 @@ struct fixup_replacement static struct temp_slot *find_temp_slot_from_address PROTO((rtx)); static void put_reg_into_stack PROTO((struct function *, rtx, tree, - enum machine_mode, enum machine_mode)); + enum machine_mode, enum machine_mode, + int)); static void fixup_var_refs PROTO((rtx, enum machine_mode, int)); static struct fixup_replacement *find_fixup_replacement PROTO((struct fixup_replacement **, rtx)); @@ -1261,7 +1262,7 @@ put_var_into_stack (decl) if (GET_CODE (reg) == REG) put_reg_into_stack (function, reg, TREE_TYPE (decl), - promoted_mode, decl_mode); + promoted_mode, decl_mode, TREE_SIDE_EFFECTS (decl)); else if (GET_CODE (reg) == CONCAT) { /* A CONCAT contains two pseudos; put them both in the stack. @@ -1270,19 +1271,21 @@ put_var_into_stack (decl) tree part_type = TREE_TYPE (TREE_TYPE (decl)); #ifdef FRAME_GROWS_DOWNWARD /* Since part 0 should have a lower address, do it second. */ - put_reg_into_stack (function, XEXP (reg, 1), - part_type, part_mode, part_mode); - put_reg_into_stack (function, XEXP (reg, 0), - part_type, part_mode, part_mode); + put_reg_into_stack (function, XEXP (reg, 1), part_type, part_mode, + part_mode, TREE_SIDE_EFFECTS (decl)); + put_reg_into_stack (function, XEXP (reg, 0), part_type, part_mode, + part_mode, TREE_SIDE_EFFECTS (decl)); #else - put_reg_into_stack (function, XEXP (reg, 0), - part_type, part_mode, part_mode); - put_reg_into_stack (function, XEXP (reg, 1), - part_type, part_mode, part_mode); + put_reg_into_stack (function, XEXP (reg, 0), part_type, part_mode, + part_mode, TREE_SIDE_EFFECTS (decl)); + put_reg_into_stack (function, XEXP (reg, 1), part_type, part_mode, + part_mode, TREE_SIDE_EFFECTS (decl)); #endif /* Change the CONCAT into a combined MEM for both parts. */ PUT_CODE (reg, MEM); + MEM_VOLATILE_P (reg) = MEM_VOLATILE_P (XEXP (reg, 0)); + /* The two parts are in memory order already. Use the lower parts address as ours. */ XEXP (reg, 0) = XEXP (XEXP (reg, 0), 0); @@ -1295,14 +1298,16 @@ put_var_into_stack (decl) /* Subroutine of put_var_into_stack. This puts a single pseudo reg REG into the stack frame of FUNCTION (0 means the current function). DECL_MODE is the machine mode of the user-level data type. - PROMOTED_MODE is the machine mode of the register. */ + PROMOTED_MODE is the machine mode of the register. + VOLATILE_P is nonzero if this is for a "volatile" decl. */ static void -put_reg_into_stack (function, reg, type, promoted_mode, decl_mode) +put_reg_into_stack (function, reg, type, promoted_mode, decl_mode, volatile_p) struct function *function; rtx reg; tree type; enum machine_mode promoted_mode, decl_mode; + int volatile_p; { rtx new = 0; @@ -1322,11 +1327,11 @@ put_reg_into_stack (function, reg, type, promoted_mode, decl_mode) new = assign_stack_local (decl_mode, GET_MODE_SIZE (decl_mode), 0); } + PUT_MODE (reg, decl_mode); XEXP (reg, 0) = XEXP (new, 0); /* `volatil' bit means one thing for MEMs, another entirely for REGs. */ - REG_USERVAR_P (reg) = 0; + MEM_VOLATILE_P (reg) = volatile_p; PUT_CODE (reg, MEM); - PUT_MODE (reg, decl_mode); /* If this is a memory ref that contains aggregate components, mark it as such for cse and loop optimize. */ |