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| author | Kyrylo Tkachov <kyrylo.tkachov@arm.com> | 2015-08-04 10:10:28 +0000 |
|---|---|---|
| committer | Kyrylo Tkachov <ktkachov@gcc.gnu.org> | 2015-08-04 10:10:28 +0000 |
| commit | d78006d9504c41f96a476457754563c2aa100b7a (patch) | |
| tree | cd17af4eb62c44430d0aeab907ce122744503788 /gcc | |
| parent | 361fb3ee79f07fcff6c34acd1ccde520f4935c7e (diff) | |
| download | gcc-d78006d9504c41f96a476457754563c2aa100b7a.zip gcc-d78006d9504c41f96a476457754563c2aa100b7a.tar.gz gcc-d78006d9504c41f96a476457754563c2aa100b7a.tar.bz2 | |
[AArch64][7/14] Implement TARGET_SET_CURRENT_FUNCTION
* config/aarch64/aarch64.h (SWITCHABLE_TARGET): Define.
* config/aarch64/aarch64.c: Include target-globals.h
(aarch64_previous_fndecl): New variable.
(aarch64_set_current_function): New function.
(TARGET_SET_CURRENT_FUNCTION): Define.
From-SVN: r226559
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/config/aarch64/aarch64.c | 56 | ||||
| -rw-r--r-- | gcc/config/aarch64/aarch64.h | 3 |
3 files changed, 67 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 985d7df..cb019c9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,13 @@ 2015-08-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com> + * config/aarch64/aarch64.h (SWITCHABLE_TARGET): Define. + * config/aarch64/aarch64.c: Include target-globals.h + (aarch64_previous_fndecl): New variable. + (aarch64_set_current_function): New function. + (TARGET_SET_CURRENT_FUNCTION): Define. + +2015-08-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com> + * config/aarch64/aarch64.opt (explicit_tune_core): New TargetVariable. (explicit_arch): Likewise. (x_aarch64_isa_flags): Likewise. diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c index caf50ea..d0d62e7 100644 --- a/gcc/config/aarch64/aarch64.c +++ b/gcc/config/aarch64/aarch64.c @@ -73,6 +73,7 @@ #include "tm-constrs.h" #include "sched-int.h" #include "cortex-a57-fma-steering.h" +#include "target-globals.h" /* This file should be included last. */ #include "target-def.h" @@ -7910,6 +7911,58 @@ aarch64_option_print (FILE *file, int indent, struct cl_target_option *ptr) aarch64_print_extension (file, isa_flags); } +static GTY(()) tree aarch64_previous_fndecl; + +/* Implement TARGET_SET_CURRENT_FUNCTION. Unpack the codegen decisions + like tuning and ISA features from the DECL_FUNCTION_SPECIFIC_TARGET + of the function, if such exists. This function may be called multiple + times on a single function so use aarch64_previous_fndecl to avoid + setting up identical state. */ + +static void +aarch64_set_current_function (tree fndecl) +{ + tree old_tree = (aarch64_previous_fndecl + ? DECL_FUNCTION_SPECIFIC_TARGET (aarch64_previous_fndecl) + : NULL_TREE); + + tree new_tree = (fndecl + ? DECL_FUNCTION_SPECIFIC_TARGET (fndecl) + : NULL_TREE); + + + if (fndecl && fndecl != aarch64_previous_fndecl) + { + aarch64_previous_fndecl = fndecl; + if (old_tree == new_tree) + ; + + else if (new_tree && new_tree != target_option_default_node) + { + cl_target_option_restore (&global_options, + TREE_TARGET_OPTION (new_tree)); + if (TREE_TARGET_GLOBALS (new_tree)) + restore_target_globals (TREE_TARGET_GLOBALS (new_tree)); + else + TREE_TARGET_GLOBALS (new_tree) + = save_target_globals_default_opts (); + } + + else if (old_tree && old_tree != target_option_default_node) + { + new_tree = target_option_current_node; + cl_target_option_restore (&global_options, + TREE_TARGET_OPTION (new_tree)); + if (TREE_TARGET_GLOBALS (new_tree)) + restore_target_globals (TREE_TARGET_GLOBALS (new_tree)); + else if (new_tree == target_option_default_node) + restore_target_globals (&default_target_globals); + else + TREE_TARGET_GLOBALS (new_tree) + = save_target_globals_default_opts (); + } + } +} /* Return true if SYMBOL_REF X binds locally. */ @@ -12425,6 +12478,9 @@ aarch64_promoted_type (const_tree t) #undef TARGET_OPTION_PRINT #define TARGET_OPTION_PRINT aarch64_option_print +#undef TARGET_SET_CURRENT_FUNCTION +#define TARGET_SET_CURRENT_FUNCTION aarch64_set_current_function + #undef TARGET_PASS_BY_REFERENCE #define TARGET_PASS_BY_REFERENCE aarch64_pass_by_reference diff --git a/gcc/config/aarch64/aarch64.h b/gcc/config/aarch64/aarch64.h index 9333bdc..41f50fe 100644 --- a/gcc/config/aarch64/aarch64.h +++ b/gcc/config/aarch64/aarch64.h @@ -919,6 +919,9 @@ do { \ #define HARD_REGNO_CALL_PART_CLOBBERED(REGNO, MODE) \ (FP_REGNUM_P (REGNO) && GET_MODE_SIZE (MODE) > 8) +#undef SWITCHABLE_TARGET +#define SWITCHABLE_TARGET 1 + /* Check TLS Descriptors mechanism is selected. */ #define TARGET_TLS_DESC (aarch64_tls_dialect == TLS_DESCRIPTORS) |