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| author | Richard Sandiford <richard.sandiford@linaro.org> | 2017-12-21 06:58:16 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2017-12-21 06:58:16 +0000 |
| commit | f075bd950c5ad3e2baeb3d8f82fe962efc8e4f7a (patch) | |
| tree | 8b895dc76d9b5a9544b28dcb10c3ac925ccea4dd /gcc/lra.c | |
| parent | 7ee216163faf80d2a55f1c08abb971b7da34a793 (diff) | |
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poly_int: frame allocations
This patch converts the frame allocation code (mostly in function.c)
to use poly_int64 rather than HOST_WIDE_INT for frame offsets and
sizes.
2017-12-21 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
gcc/
* function.h (frame_space): Change start and length from HOST_WIDE_INT
to poly_int64.
(get_frame_size): Return the size as a poly_int64 rather than a
HOST_WIDE_INT.
(frame_offset_overflow): Take the offset as a poly_int64 rather
than a HOST_WIDE_INT.
(assign_stack_local_1, assign_stack_local, assign_stack_temp_for_type)
(assign_stack_temp): Likewise for the size.
* function.c (get_frame_size): Return a poly_int64 rather than
a HOST_WIDE_INT.
(frame_offset_overflow): Take the offset as a poly_int64 rather
than a HOST_WIDE_INT.
(try_fit_stack_local): Take the start, length and size as poly_int64s
rather than HOST_WIDE_INTs. Return the offset as a poly_int64_pod
rather than a HOST_WIDE_INT.
(add_frame_space): Take the start and end as poly_int64s rather than
HOST_WIDE_INTs.
(assign_stack_local_1, assign_stack_local, assign_stack_temp_for_type)
(assign_stack_temp): Likewise for the size.
(temp_slot): Change size, base_offset and full_size from HOST_WIDE_INT
to poly_int64.
(find_temp_slot_from_address): Handle polynomial offsets.
(combine_temp_slots): Likewise.
* emit-rtl.h (rtl_data::x_frame_offset): Change from HOST_WIDE_INT
to poly_int64.
* cfgexpand.c (alloc_stack_frame_space): Return the offset as a
poly_int64 rather than a HOST_WIDE_INT.
(expand_one_stack_var_at): Take the offset as a poly_int64 rather
than a HOST_WIDE_INT.
(expand_stack_vars, expand_one_stack_var_1, expand_used_vars): Handle
polynomial frame offsets.
* config/m32r/m32r-protos.h (m32r_compute_frame_size): Take the size
as a poly_int64 rather than an int.
* config/m32r/m32r.c (m32r_compute_frame_size): Likewise.
* config/v850/v850-protos.h (compute_frame_size): Likewise.
* config/v850/v850.c (compute_frame_size): Likewise.
* config/xtensa/xtensa-protos.h (compute_frame_size): Likewise.
* config/xtensa/xtensa.c (compute_frame_size): Likewise.
* config/pa/pa-protos.h (pa_compute_frame_size): Likewise.
* config/pa/pa.c (pa_compute_frame_size): Likewise.
* explow.h (get_dynamic_stack_base): Take the offset as a poly_int64
rather than a HOST_WIDE_INT.
* explow.c (get_dynamic_stack_base): Likewise.
* final.c (final_start_function): Use the constant lower bound
of the frame size for -Wframe-larger-than.
* ira.c (do_reload): Adjust for new get_frame_size return type.
* lra.c (lra): Likewise.
* reload1.c (reload): Likewise.
* config/avr/avr.c (avr_asm_function_end_prologue): Likewise.
* config/pa/pa.h (EXIT_IGNORE_STACK): Likewise.
* rtlanal.c (get_initial_register_offset): Return the offset as
a poly_int64 rather than a HOST_WIDE_INT.
Co-Authored-By: Alan Hayward <alan.hayward@arm.com>
Co-Authored-By: David Sherwood <david.sherwood@arm.com>
From-SVN: r255917
Diffstat (limited to 'gcc/lra.c')
| -rw-r--r-- | gcc/lra.c | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -2397,7 +2397,7 @@ lra (FILE *f) bitmap_initialize (&lra_optional_reload_pseudos, ®_obstack); bitmap_initialize (&lra_subreg_reload_pseudos, ®_obstack); live_p = false; - if (get_frame_size () != 0 && crtl->stack_alignment_needed) + if (maybe_ne (get_frame_size (), 0) && crtl->stack_alignment_needed) /* If we have a stack frame, we must align it now. The stack size may be a part of the offset computation for register elimination. */ |