diff options
Diffstat (limited to 'gcc/explow.c')
| -rw-r--r-- | gcc/explow.c | 30 |
1 files changed, 11 insertions, 19 deletions
diff --git a/gcc/explow.c b/gcc/explow.c index 34adcb9..a0a160d 100644 --- a/gcc/explow.c +++ b/gcc/explow.c @@ -1379,21 +1379,13 @@ allocate_dynamic_stack_space (rtx size, unsigned size_align, #ifdef HAVE_allocate_stack if (HAVE_allocate_stack) { - enum machine_mode mode = STACK_SIZE_MODE; - insn_operand_predicate_fn pred; - + struct expand_operand ops[2]; /* We don't have to check against the predicate for operand 0 since TARGET is known to be a pseudo of the proper mode, which must - be valid for the operand. For operand 1, convert to the - proper mode and validate. */ - if (mode == VOIDmode) - mode = insn_data[(int) CODE_FOR_allocate_stack].operand[1].mode; - - pred = insn_data[(int) CODE_FOR_allocate_stack].operand[1].predicate; - if (pred && ! ((*pred) (size, mode))) - size = copy_to_mode_reg (mode, convert_to_mode (mode, size, 1)); - - emit_insn (gen_allocate_stack (target, size)); + be valid for the operand. */ + create_fixed_operand (&ops[0], target); + create_convert_operand_to (&ops[1], size, STACK_SIZE_MODE, true); + expand_insn (CODE_FOR_allocate_stack, 2, ops); } else #endif @@ -1544,22 +1536,22 @@ probe_stack_range (HOST_WIDE_INT first, rtx size) plus_constant (size, first))); emit_library_call (stack_check_libfunc, LCT_NORMAL, VOIDmode, 1, addr, Pmode); + return; } /* Next see if we have an insn to check the stack. */ #ifdef HAVE_check_stack - else if (HAVE_check_stack) + if (HAVE_check_stack) { + struct expand_operand ops[1]; rtx addr = memory_address (Pmode, gen_rtx_fmt_ee (STACK_GROW_OP, Pmode, stack_pointer_rtx, plus_constant (size, first))); - insn_operand_predicate_fn pred - = insn_data[(int) CODE_FOR_check_stack].operand[0].predicate; - if (pred && !((*pred) (addr, Pmode))) - addr = copy_to_mode_reg (Pmode, addr); - emit_insn (gen_check_stack (addr)); + create_input_operand (&ops[0], addr, Pmode); + if (maybe_expand_insn (CODE_FOR_check_stack, 1, ops)) + return; } #endif |