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| author | Richard Sandiford <richard.sandiford@arm.com> | 2015-07-05 07:59:14 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2015-07-05 07:59:14 +0000 |
| commit | f2cf13bd7c00ec7d12e7bddfefeb5eea84a14f74 (patch) | |
| tree | 595f8a5160947bc2430984eba6a62c7e4c24e2ea | |
| parent | 10169a8b991800c73cbe6dbfdcf7761aac3e542c (diff) | |
| download | gcc-f2cf13bd7c00ec7d12e7bddfefeb5eea84a14f74.zip gcc-f2cf13bd7c00ec7d12e7bddfefeb5eea84a14f74.tar.gz gcc-f2cf13bd7c00ec7d12e7bddfefeb5eea84a14f74.tar.bz2 | |
target-insns.def (clear_cache): New targetm instruction pattern.
gcc/
* target-insns.def (clear_cache): New targetm instruction pattern.
* builtins.c (expand_builtin___clear_cache): Use it instead of
HAVE_*/gen_* interface.
From-SVN: r225430
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/builtins.c | 27 | ||||
| -rw-r--r-- | gcc/target-insns.def | 1 |
3 files changed, 21 insertions, 13 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index eca124b..a0fa974 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,11 @@ 2015-07-05 Richard Sandiford <richard.sandiford@arm.com> + * target-insns.def (clear_cache): New targetm instruction pattern. + * builtins.c (expand_builtin___clear_cache): Use it instead of + HAVE_*/gen_* interface. + +2015-07-05 Richard Sandiford <richard.sandiford@arm.com> + * target-insns.def (allocate_stack, check_stack, probe_stack) (probe_stack_address, split_stack_prologue, split_stack_space_check): New targetm instruction patterns. diff --git a/gcc/builtins.c b/gcc/builtins.c index 3110d0a..f5923b1 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -4807,20 +4807,22 @@ expand_builtin_copysign (tree exp, rtx target, rtx subtarget) /* Expand a call to __builtin___clear_cache. */ static rtx -expand_builtin___clear_cache (tree exp ATTRIBUTE_UNUSED) +expand_builtin___clear_cache (tree exp) { -#ifndef HAVE_clear_cache + if (!targetm.code_for_clear_cache) + { #ifdef CLEAR_INSN_CACHE - /* There is no "clear_cache" insn, and __clear_cache() in libgcc - does something. Just do the default expansion to a call to - __clear_cache(). */ - return NULL_RTX; + /* There is no "clear_cache" insn, and __clear_cache() in libgcc + does something. Just do the default expansion to a call to + __clear_cache(). */ + return NULL_RTX; #else - /* There is no "clear_cache" insn, and __clear_cache() in libgcc - does nothing. There is no need to call it. Do nothing. */ - return const0_rtx; + /* There is no "clear_cache" insn, and __clear_cache() in libgcc + does nothing. There is no need to call it. Do nothing. */ + return const0_rtx; #endif /* CLEAR_INSN_CACHE */ -#else + } + /* We have a "clear_cache" insn, and it will handle everything. */ tree begin, end; rtx begin_rtx, end_rtx; @@ -4834,7 +4836,7 @@ expand_builtin___clear_cache (tree exp ATTRIBUTE_UNUSED) return const0_rtx; } - if (HAVE_clear_cache) + if (targetm.have_clear_cache ()) { struct expand_operand ops[2]; @@ -4846,11 +4848,10 @@ expand_builtin___clear_cache (tree exp ATTRIBUTE_UNUSED) create_address_operand (&ops[0], begin_rtx); create_address_operand (&ops[1], end_rtx); - if (maybe_expand_insn (CODE_FOR_clear_cache, 2, ops)) + if (maybe_expand_insn (targetm.code_for_clear_cache, 2, ops)) return const0_rtx; } return const0_rtx; -#endif /* HAVE_clear_cache */ } /* Given a trampoline address, make sure it satisfies TRAMPOLINE_ALIGNMENT. */ diff --git a/gcc/target-insns.def b/gcc/target-insns.def index 28d3151..2a9b23b 100644 --- a/gcc/target-insns.def +++ b/gcc/target-insns.def @@ -37,6 +37,7 @@ DEF_TARGET_INSN (builtin_setjmp_setup, (rtx x0)) DEF_TARGET_INSN (canonicalize_funcptr_for_compare, (rtx x0, rtx x1)) DEF_TARGET_INSN (casesi, (rtx x0, rtx x1, rtx x2, rtx x3, rtx x4)) DEF_TARGET_INSN (check_stack, (rtx x0)) +DEF_TARGET_INSN (clear_cache, (rtx x0, rtx x1)) DEF_TARGET_INSN (epilogue, (void)) DEF_TARGET_INSN (exception_receiver, (void)) DEF_TARGET_INSN (jump, (rtx x0)) |