diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/integrate.c | 75 |
2 files changed, 50 insertions, 30 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 98b1e03c310..30fc441fb07 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Wed Jan 13 20:12:37 1999 Richard Henderson <rth@cygnus.com> + + * integrate.c (expand_inline_function): Recognize (mem (addressof)) + and substitute. Copy the return value from there into a new pseudo. + Thu Jan 14 13:52:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> * config/c4x/c4x.md (in_annul_slot_3): Correctly allow unarycc diff --git a/gcc/integrate.c b/gcc/integrate.c index 943eeaff0d9..e5c716eb678 100644 --- a/gcc/integrate.c +++ b/gcc/integrate.c @@ -1709,46 +1709,61 @@ expand_inline_function (fndecl, parms, target, ignore, type, map->inline_target = 0; loc = DECL_RTL (DECL_RESULT (fndecl)); + if (TYPE_MODE (type) == VOIDmode) /* There is no return value to worry about. */ ; else if (GET_CODE (loc) == MEM) { - if (! structure_value_addr || ! aggregate_value_p (DECL_RESULT (fndecl))) - abort (); + if (GET_CODE (XEXP (loc, 0)) == ADDRESSOF) + { + temp = copy_rtx_and_substitute (loc, map); + subst_constants (&temp, NULL_RTX, map); + apply_change_group (); + target = temp; + } + else + { + if (! structure_value_addr + || ! aggregate_value_p (DECL_RESULT (fndecl))) + abort (); - /* Pass the function the address in which to return a structure value. - Note that a constructor can cause someone to call us with - STRUCTURE_VALUE_ADDR, but the initialization takes place - via the first parameter, rather than the struct return address. + /* Pass the function the address in which to return a structure + value. Note that a constructor can cause someone to call us + with STRUCTURE_VALUE_ADDR, but the initialization takes place + via the first parameter, rather than the struct return address. - We have two cases: If the address is a simple register indirect, - use the mapping mechanism to point that register to our structure - return address. Otherwise, store the structure return value into - the place that it will be referenced from. */ + We have two cases: If the address is a simple register + indirect, use the mapping mechanism to point that register to + our structure return address. Otherwise, store the structure + return value into the place that it will be referenced from. */ - if (GET_CODE (XEXP (loc, 0)) == REG) - { - temp = force_reg (Pmode, - force_operand (structure_value_addr, NULL_RTX)); - map->reg_map[REGNO (XEXP (loc, 0))] = temp; - if ((CONSTANT_P (structure_value_addr) - || GET_CODE (structure_value_addr) == ADDRESSOF - || (GET_CODE (structure_value_addr) == PLUS - && XEXP (structure_value_addr, 0) == virtual_stack_vars_rtx - && GET_CODE (XEXP (structure_value_addr, 1)) == CONST_INT)) - && REGNO (temp) < map->const_equiv_map_size) + if (GET_CODE (XEXP (loc, 0)) == REG) { - map->const_equiv_map[REGNO (temp)] = structure_value_addr; - map->const_age_map[REGNO (temp)] = CONST_AGE_PARM; + temp = force_operand (structure_value_addr, NULL_RTX); + temp = force_reg (Pmode, temp); + map->reg_map[REGNO (XEXP (loc, 0))] = temp; + + if ((CONSTANT_P (structure_value_addr) + || GET_CODE (structure_value_addr) == ADDRESSOF + || (GET_CODE (structure_value_addr) == PLUS + && (XEXP (structure_value_addr, 0) + == virtual_stack_vars_rtx) + && (GET_CODE (XEXP (structure_value_addr, 1)) + == CONST_INT))) + && REGNO (temp) < map->const_equiv_map_size) + { + map->const_equiv_map[REGNO (temp)] = structure_value_addr; + map->const_age_map[REGNO (temp)] = CONST_AGE_PARM; + } + } + else + { + temp = copy_rtx_and_substitute (loc, map); + subst_constants (&temp, NULL_RTX, map); + apply_change_group (); + emit_move_insn (temp, structure_value_addr); } - } - else - { - temp = copy_rtx_and_substitute (loc, map); - subst_constants (&temp, NULL_RTX, map); - apply_change_group (); - emit_move_insn (temp, structure_value_addr); } } else if (ignore) |