diff options
Diffstat (limited to 'gcc/explow.c')
| -rw-r--r-- | gcc/explow.c | 33 |
1 files changed, 15 insertions, 18 deletions
diff --git a/gcc/explow.c b/gcc/explow.c index 39b63ed..d1a2bf8 100644 --- a/gcc/explow.c +++ b/gcc/explow.c @@ -866,10 +866,9 @@ adjust_stack_1 (rtx adjust, bool anti_p) rtx temp; rtx_insn *insn; -#if !STACK_GROWS_DOWNWARD /* Hereafter anti_p means subtract_p. */ - anti_p = !anti_p; -#endif + if (!STACK_GROWS_DOWNWARD) + anti_p = !anti_p; temp = expand_binop (Pmode, anti_p ? sub_optab : add_optab, @@ -1414,24 +1413,23 @@ allocate_dynamic_stack_space (rtx size, unsigned size_align, { int saved_stack_pointer_delta; -#if !STACK_GROWS_DOWNWARD - emit_move_insn (target, virtual_stack_dynamic_rtx); -#endif + if (!STACK_GROWS_DOWNWARD) + emit_move_insn (target, virtual_stack_dynamic_rtx); /* Check stack bounds if necessary. */ if (crtl->limit_stack) { rtx available; rtx_code_label *space_available = gen_label_rtx (); -#if STACK_GROWS_DOWNWARD - available = expand_binop (Pmode, sub_optab, - stack_pointer_rtx, stack_limit_rtx, - NULL_RTX, 1, OPTAB_WIDEN); -#else - available = expand_binop (Pmode, sub_optab, - stack_limit_rtx, stack_pointer_rtx, - NULL_RTX, 1, OPTAB_WIDEN); -#endif + if (STACK_GROWS_DOWNWARD) + available = expand_binop (Pmode, sub_optab, + stack_pointer_rtx, stack_limit_rtx, + NULL_RTX, 1, OPTAB_WIDEN); + else + available = expand_binop (Pmode, sub_optab, + stack_limit_rtx, stack_pointer_rtx, + NULL_RTX, 1, OPTAB_WIDEN); + emit_cmp_and_jump_insns (available, size, GEU, NULL_RTX, Pmode, 1, space_available); #ifdef HAVE_trap @@ -1456,9 +1454,8 @@ allocate_dynamic_stack_space (rtx size, unsigned size_align, crtl->preferred_stack_boundary alignment. */ stack_pointer_delta = saved_stack_pointer_delta; -#if STACK_GROWS_DOWNWARD - emit_move_insn (target, virtual_stack_dynamic_rtx); -#endif + if (STACK_GROWS_DOWNWARD) + emit_move_insn (target, virtual_stack_dynamic_rtx); } suppress_reg_args_size = false; |