From f7ba7f18e5e7ad165eb81f8a2ed42542b72278bc Mon Sep 17 00:00:00 2001 From: Richard Sandiford Date: Thu, 30 Jul 2015 13:22:56 +0000 Subject: [PATCH] builtins.c (HAVE_atomic_clear, [...]): Delete. gcc/ * builtins.c (HAVE_atomic_clear, gen_atomic_clear): Delete. (expand_builtin_atomic_clear): Remove support for atomic_clear pattern. From-SVN: r226405 --- gcc/ChangeLog | 6 ++++++ gcc/builtins.c | 12 ------------ 2 files changed, 6 insertions(+), 12 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index be3a66e0500..af6b1b44f0b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2015-07-30 Richard Sandiford + + * builtins.c (HAVE_atomic_clear, gen_atomic_clear): Delete. + (expand_builtin_atomic_clear): Remove support for atomic_clear + pattern. + 2015-07-30 Richard Biener * gimple-fold.c (fold_gimple_assign): Only fold !tcc_comparison diff --git a/gcc/builtins.c b/gcc/builtins.c index 1750e25eddf..d7eb65f930b 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -5587,12 +5587,6 @@ expand_builtin_atomic_fetch_op (machine_mode mode, tree exp, rtx target, return ret; } - -#ifndef HAVE_atomic_clear -# define HAVE_atomic_clear 0 -# define gen_atomic_clear(x,y) (gcc_unreachable (), NULL_RTX) -#endif - /* Expand an atomic clear operation. void _atomic_clear (BOOL *obj, enum memmodel) EXP is the call expression. */ @@ -5615,12 +5609,6 @@ expand_builtin_atomic_clear (tree exp) model = MEMMODEL_SEQ_CST; } - if (HAVE_atomic_clear) - { - emit_insn (gen_atomic_clear (mem, model)); - return const0_rtx; - } - /* Try issuing an __atomic_store, and allow fallback to __sync_lock_release. Failing that, a store is issued by __atomic_store. The only way this can fail is if the bool type is larger than a word size. Unlikely, but -- 2.30.2