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| author | Richard Sandiford <richard.sandiford@linaro.org> | 2017-08-30 11:10:28 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2017-08-30 11:10:28 +0000 |
| commit | fffbab82e7fd15ef695159746a0ce7b9ac906778 (patch) | |
| tree | 1029fb2ff65fd47b432f0cdae4a809c11325b13b /gcc/calls.c | |
| parent | bf862c537bfd76233e3938cb3811f0fa2d27de25 (diff) | |
| download | gcc-fffbab82e7fd15ef695159746a0ce7b9ac906778.zip gcc-fffbab82e7fd15ef695159746a0ce7b9ac906778.tar.gz gcc-fffbab82e7fd15ef695159746a0ce7b9ac906778.tar.bz2 | |
[17/77] Add an int_mode_for_size helper function
This patch adds a wrapper around mode_for_size for cases in which
the mode class is MODE_INT (the commonest case). The return type
can then be an opt_scalar_int_mode instead of a machine_mode.
2017-08-30 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
gcc/
* machmode.h (int_mode_for_size): New function.
* builtins.c (set_builtin_user_assembler_name): Use int_mode_for_size
instead of mode_for_size.
* calls.c (save_fixed_argument_area): Likewise. Make use of BLKmode
explicit.
* combine.c (expand_field_assignment): Use int_mode_for_size
instead of mode_for_size.
(make_extraction): Likewise.
(simplify_shift_const_1): Likewise.
(simplify_comparison): Likewise.
* dojump.c (do_jump): Likewise.
* dwarf2out.c (mem_loc_descriptor): Likewise.
* emit-rtl.c (init_derived_machine_modes): Likewise.
* expmed.c (flip_storage_order): Likewise.
(convert_extracted_bit_field): Likewise.
* expr.c (copy_blkmode_from_reg): Likewise.
* graphite-isl-ast-to-gimple.c (max_mode_int_precision): Likewise.
* internal-fn.c (expand_mul_overflow): Likewise.
* lower-subreg.c (simple_move): Likewise.
* optabs-libfuncs.c (init_optabs): Likewise.
* simplify-rtx.c (simplify_unary_operation_1): Likewise.
* tree.c (vector_type_mode): Likewise.
* tree-ssa-strlen.c (handle_builtin_memcmp): Likewise.
* tree-vect-data-refs.c (vect_lanes_optab_supported_p): Likewise.
* tree-vect-generic.c (expand_vector_parallel): Likewise.
* tree-vect-stmts.c (vectorizable_load): Likewise.
(vectorizable_store): Likewise.
gcc/ada/
* gcc-interface/decl.c (gnat_to_gnu_entity): Use int_mode_for_size
instead of mode_for_size.
(gnat_to_gnu_subprog_type): Likewise.
* gcc-interface/utils.c (make_type_from_size): Likewise.
Co-Authored-By: Alan Hayward <alan.hayward@arm.com>
Co-Authored-By: David Sherwood <david.sherwood@arm.com>
From-SVN: r251469
Diffstat (limited to 'gcc/calls.c')
| -rw-r--r-- | gcc/calls.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/gcc/calls.c b/gcc/calls.c index 7599928..d5bd504 100644 --- a/gcc/calls.c +++ b/gcc/calls.c @@ -1047,12 +1047,15 @@ save_fixed_argument_area (int reg_parm_stack_space, rtx argblock, int *low_to_sa *high_to_save = high; num_to_save = high - low + 1; - save_mode = mode_for_size (num_to_save * BITS_PER_UNIT, MODE_INT, 1); /* If we don't have the required alignment, must do this in BLKmode. */ - if ((low & (MIN (GET_MODE_SIZE (save_mode), - BIGGEST_ALIGNMENT / UNITS_PER_WORD) - 1))) + scalar_int_mode imode; + if (int_mode_for_size (num_to_save * BITS_PER_UNIT, 1).exists (&imode) + && (low & (MIN (GET_MODE_SIZE (imode), + BIGGEST_ALIGNMENT / UNITS_PER_WORD) - 1)) == 0) + save_mode = imode; + else save_mode = BLKmode; if (ARGS_GROW_DOWNWARD) |