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| author | Richard Sandiford <richard.sandiford@arm.com> | 2019-08-20 08:53:23 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2019-08-20 08:53:23 +0000 |
| commit | 7256c7194e186fce6ff866a124a77b08196c2a5f (patch) | |
| tree | 24b47c0624b9395db68addd8cb07d4e5b581050b /gcc/calls.c | |
| parent | 6930c98c69ad695469ee7daa74b3b6d578afdd0d (diff) | |
| download | gcc-7256c7194e186fce6ff866a124a77b08196c2a5f.zip gcc-7256c7194e186fce6ff866a124a77b08196c2a5f.tar.gz gcc-7256c7194e186fce6ff866a124a77b08196c2a5f.tar.bz2 | |
Use function_arg_info for TARGET_CALLEE_COPIES
The hook is passed the unpromoted type mode instead of the promoted mode.
The aarch64 definition is redundant, but worth keeping for emphasis.
2019-08-20 Richard Sandiford <richard.sandiford@arm.com>
gcc/
* target.def (callee_copies): Take a function_arg_info instead
of a mode, type and named flag.
* doc/tm.texi: Regenerate.
* targhooks.h (hook_callee_copies_named): Take a function_arg_info
instead of a mode, type and named flag.
(hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false): Delete.
(hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true): Likewise.
(hook_bool_CUMULATIVE_ARGS_arg_info_true): New function.
* targhooks.c (hook_callee_copies_named): Take a function_arg_info
instead of a mode, type and named flag.
(hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false): Delete.
(hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true): Likewise.
(hook_bool_CUMULATIVE_ARGS_arg_info_true): New function.
* calls.h (reference_callee_copied): Take a function_arg_info
instead of a mode, type and named flag.
* calls.c (reference_callee_copied): Likewise.
(initialize_argument_information): Update call accordingly.
(emit_library_call_value_1): Likewise.
* function.c (gimplify_parameters): Likewise.
* config/aarch64/aarch64.c (TARGET_CALLEE_COPIES): Define to
hook_bool_CUMULATIVE_ARGS_arg_info_false instead of
hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false.
* config/c6x/c6x.c (c6x_callee_copies): Delete.
(TARGET_CALLEE_COPIES): Define to
hook_bool_CUMULATIVE_ARGS_arg_info_true instead.
* config/epiphany/epiphany.c (TARGET_CALLEE_COPIES): Define to
hook_bool_CUMULATIVE_ARGS_arg_info_true instead of
hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true.
* config/mips/mips.c (mips_callee_copies): Take a function_arg_info
instead of a mode, type and named flag.
* config/mmix/mmix.c (TARGET_CALLEE_COPIES): Define to
hook_bool_CUMULATIVE_ARGS_arg_info_true instead of
hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true.
* config/mn10300/mn10300.c (TARGET_CALLEE_COPIES): Likewise.
* config/msp430/msp430.c (msp430_callee_copies): Delete.
(TARGET_CALLEE_COPIES): Define to
hook_bool_CUMULATIVE_ARGS_arg_info_true instead.
* config/pa/pa.c (pa_callee_copies): Take a function_arg_info
instead of a mode, type and named flag.
* config/sh/sh.c (sh_callee_copies): Likewise.
* config/v850/v850.c (TARGET_CALLEE_COPIES): Define to
hook_bool_CUMULATIVE_ARGS_arg_info_true instead of
hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true.
From-SVN: r274702
Diffstat (limited to 'gcc/calls.c')
| -rw-r--r-- | gcc/calls.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/gcc/calls.c b/gcc/calls.c index 69a3184..6be8acd 100644 --- a/gcc/calls.c +++ b/gcc/calls.c @@ -935,17 +935,15 @@ pass_va_arg_by_reference (tree type) return pass_by_reference (NULL, function_arg_info (type, /*named=*/false)); } -/* Return true if TYPE, which is passed by reference, should be callee +/* Return true if ARG, which is passed by reference, should be callee copied instead of caller copied. */ bool -reference_callee_copied (CUMULATIVE_ARGS *ca, machine_mode mode, - tree type, bool named_arg) +reference_callee_copied (CUMULATIVE_ARGS *ca, const function_arg_info &arg) { - if (type && TREE_ADDRESSABLE (type)) + if (arg.type && TREE_ADDRESSABLE (arg.type)) return false; - return targetm.calls.callee_copies (pack_cumulative_args (ca), mode, type, - named_arg); + return targetm.calls.callee_copies (pack_cumulative_args (ca), arg); } @@ -2002,9 +2000,7 @@ initialize_argument_information (int num_actuals ATTRIBUTE_UNUSED, bool callee_copies; tree base = NULL_TREE; - callee_copies - = reference_callee_copied (args_so_far_pnt, TYPE_MODE (type), - type, argpos < n_named_args); + callee_copies = reference_callee_copied (args_so_far_pnt, orig_arg); /* If we're compiling a thunk, pass through invisible references instead of making a copy. */ @@ -4911,8 +4907,7 @@ emit_library_call_value_1 (int retval, rtx orgfun, rtx value, if (pass_by_reference (&args_so_far_v, orig_arg)) { rtx slot; - int must_copy - = !reference_callee_copied (&args_so_far_v, mode, NULL_TREE, 1); + int must_copy = !reference_callee_copied (&args_so_far_v, orig_arg); /* If this was a CONST function, it is now PURE since it now reads memory. */ |