From 49cc765db35a5a21cab2aece27a44983fa70b94b Mon Sep 17 00:00:00 2001 From: Daniel Cederman Date: Sat, 19 Jul 2014 10:41:03 +0000 Subject: [PATCH] sync.md (*membar_storeload_leon3): New insn. * config/sparc/sync.md (*membar_storeload_leon3): New insn. (*membar_storeload): Disable for LEON3. From-SVN: r212841 --- gcc/ChangeLog | 5 +++++ gcc/config/sparc/sync.md | 10 +++++++++- 2 files changed, 14 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 113783cb2b6b..e8c926a8e4ea 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2014-07-19 Daniel Cederman + + * config/sparc/sync.md (*membar_storeload_leon3): New insn. + (*membar_storeload): Disable for LEON3. + 2014-07-18 Bernd Edlinger PR rtl-optimization/61461 diff --git a/gcc/config/sparc/sync.md b/gcc/config/sparc/sync.md index e6e237f256fa..98ac0d3d66a0 100644 --- a/gcc/config/sparc/sync.md +++ b/gcc/config/sparc/sync.md @@ -64,11 +64,19 @@ "stbar" [(set_attr "type" "multi")]) +;; For LEON3, STB has the effect of membar #StoreLoad. +(define_insn "*membar_storeload_leon3" + [(set (match_operand:BLK 0 "" "") + (unspec:BLK [(match_dup 0) (const_int 2)] UNSPEC_MEMBAR))] + "TARGET_LEON3" + "stb\t%%g0, [%%sp-1]" + [(set_attr "type" "store")]) + ;; For V8, LDSTUB has the effect of membar #StoreLoad. (define_insn "*membar_storeload" [(set (match_operand:BLK 0 "" "") (unspec:BLK [(match_dup 0) (const_int 2)] UNSPEC_MEMBAR))] - "TARGET_V8" + "TARGET_V8 && !TARGET_LEON3" "ldstub\t[%%sp-1], %%g0" [(set_attr "type" "multi")]) -- 2.47.3