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| author | John David Anglin <danglin@gcc.gnu.org> | 2016-12-11 19:08:47 +0000 |
|---|---|---|
| committer | John David Anglin <danglin@gcc.gnu.org> | 2016-12-11 19:08:47 +0000 |
| commit | 84c9e5ff798acd208e4dd94577a76a0775e1fa75 (patch) | |
| tree | ae1ba7515b25dbdd8e8bc6483f074a8e6640ec2d /gcc/config/pa/pa.c | |
| parent | 8c7cc1a98ff3834ac2e0a57533c08d123aeebd81 (diff) | |
| download | gcc-84c9e5ff798acd208e4dd94577a76a0775e1fa75.zip gcc-84c9e5ff798acd208e4dd94577a76a0775e1fa75.tar.gz gcc-84c9e5ff798acd208e4dd94577a76a0775e1fa75.tar.bz2 | |
pa.c (pa_callee_copies): New function.
* config/pa/pa.c (pa_callee_copies): New function.
* config/pa/pa.opt (mcaller-copies): New option.
* doc/invoke.texi (mcaller-copies): Document option.
From-SVN: r243531
Diffstat (limited to 'gcc/config/pa/pa.c')
| -rw-r--r-- | gcc/config/pa/pa.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/gcc/config/pa/pa.c b/gcc/config/pa/pa.c index c8ce083..6d18dfe 100644 --- a/gcc/config/pa/pa.c +++ b/gcc/config/pa/pa.c @@ -195,6 +195,8 @@ static bool pa_cannot_force_const_mem (machine_mode, rtx); static bool pa_legitimate_constant_p (machine_mode, rtx); static unsigned int pa_section_type_flags (tree, const char *, int); static bool pa_legitimate_address_p (machine_mode, rtx, bool); +static bool pa_callee_copies (cumulative_args_t, machine_mode, + const_tree, bool); /* The following extra sections are only used for SOM. */ static GTY(()) section *som_readonly_data_section; @@ -343,7 +345,7 @@ static size_t n_deferred_plabels = 0; #undef TARGET_PASS_BY_REFERENCE #define TARGET_PASS_BY_REFERENCE pa_pass_by_reference #undef TARGET_CALLEE_COPIES -#define TARGET_CALLEE_COPIES hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true +#define TARGET_CALLEE_COPIES pa_callee_copies #undef TARGET_ARG_PARTIAL_BYTES #define TARGET_ARG_PARTIAL_BYTES pa_arg_partial_bytes #undef TARGET_FUNCTION_ARG @@ -10720,4 +10722,19 @@ pa_maybe_emit_compare_and_swap_exchange_loop (rtx target, rtx mem, rtx val) return NULL_RTX; } +/* Implement TARGET_CALLEE_COPIES. The callee is responsible for copying + arguments passed by hidden reference in the 32-bit HP runtime. Users + can override this behavior for better compatibility with openmp at the + risk of library incompatibilities. Arguments are always passed by value + in the 64-bit HP runtime. */ + +static bool +pa_callee_copies (cumulative_args_t cum ATTRIBUTE_UNUSED, + machine_mode mode ATTRIBUTE_UNUSED, + const_tree type ATTRIBUTE_UNUSED, + bool named ATTRIBUTE_UNUSED) +{ + return !TARGET_CALLER_COPIES; +} + #include "gt-pa.h" |