diff options
Diffstat (limited to 'gcc/builtins.c')
| -rw-r--r-- | gcc/builtins.c | 35 |
1 files changed, 12 insertions, 23 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c index c63d812d90f..6fa03503a9e 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -941,7 +941,7 @@ apply_args_size (void) /* The second value is the structure value address unless this is passed as an "invisible" first argument. */ - if (struct_value_rtx) + if (targetm.calls.struct_value_rtx (TREE_TYPE (cfun->decl), 0)) size += GET_MODE_SIZE (Pmode); for (regno = 0; regno < FIRST_PSEUDO_REGISTER; regno++) @@ -1116,6 +1116,7 @@ expand_builtin_apply_args_1 (void) rtx registers; int size, align, regno; enum machine_mode mode; + rtx struct_incoming_value = targetm.calls.struct_value_rtx (TREE_TYPE (cfun->decl), 1); /* Create a block where the arg-pointer, structure value address, and argument registers can be saved. */ @@ -1123,7 +1124,7 @@ expand_builtin_apply_args_1 (void) /* Walk past the arg-pointer and structure value address. */ size = GET_MODE_SIZE (Pmode); - if (struct_value_rtx) + if (targetm.calls.struct_value_rtx (TREE_TYPE (cfun->decl), 0)) size += GET_MODE_SIZE (Pmode); /* Save each register used in calling a function to the block. */ @@ -1149,10 +1150,10 @@ expand_builtin_apply_args_1 (void) /* Save the structure value address unless this is passed as an "invisible" first argument. */ - if (struct_value_incoming_rtx) + if (struct_incoming_value) { emit_move_insn (adjust_address (registers, Pmode, size), - copy_to_reg (struct_value_incoming_rtx)); + copy_to_reg (struct_incoming_value)); size += GET_MODE_SIZE (Pmode); } @@ -1210,6 +1211,7 @@ expand_builtin_apply (rtx function, rtx arguments, rtx argsize) rtx incoming_args, result, reg, dest, src, call_insn; rtx old_stack_level = 0; rtx call_fusage = 0; + rtx struct_value = targetm.calls.struct_value_rtx (TREE_TYPE (cfun->decl), 0); #ifdef POINTERS_EXTEND_UNSIGNED if (GET_MODE (arguments) != Pmode) @@ -1263,7 +1265,7 @@ expand_builtin_apply (rtx function, rtx arguments, rtx argsize) /* Walk past the arg-pointer and structure value address. */ size = GET_MODE_SIZE (Pmode); - if (struct_value_rtx) + if (struct_value) size += GET_MODE_SIZE (Pmode); /* Restore each of the registers previously saved. Make USE insns @@ -1283,13 +1285,13 @@ expand_builtin_apply (rtx function, rtx arguments, rtx argsize) /* Restore the structure value address unless this is passed as an "invisible" first argument. */ size = GET_MODE_SIZE (Pmode); - if (struct_value_rtx) + if (struct_value) { rtx value = gen_reg_rtx (Pmode); emit_move_insn (value, adjust_address (arguments, Pmode, size)); - emit_move_insn (struct_value_rtx, value); - if (GET_CODE (struct_value_rtx) == REG) - use_reg (&call_fusage, struct_value_rtx); + emit_move_insn (struct_value, value); + if (GET_CODE (struct_value) == REG) + use_reg (&call_fusage, struct_value); size += GET_MODE_SIZE (Pmode); } @@ -3728,21 +3730,8 @@ expand_builtin_saveregs (void) start_sequence (); -#ifdef EXPAND_BUILTIN_SAVEREGS /* Do whatever the machine needs done in this case. */ - val = EXPAND_BUILTIN_SAVEREGS (); -#else - /* ??? We used to try and build up a call to the out of line function, - guessing about what registers needed saving etc. This became much - harder with __builtin_va_start, since we don't have a tree for a - call to __builtin_saveregs to fall back on. There was exactly one - port (i860) that used this code, and I'm unconvinced it could actually - handle the general case. So we no longer try to handle anything - weird and make the backend absorb the evil. */ - - error ("__builtin_saveregs not supported by this target"); - val = const0_rtx; -#endif + val = targetm.calls.expand_builtin_saveregs (); seq = get_insns (); end_sequence (); |