From 556537c4ad0df4cbebb74197bb2bdea75cf5dd35 Mon Sep 17 00:00:00 2001 From: rguenth Date: Thu, 17 Jul 2014 07:48:49 +0000 Subject: [PATCH] 2014-07-17 Richard Biener PR rtl-optimization/61801 * sched-deps.c (sched_analyze_2): For ASM_OPERANDS and ASM_INPUT don't set reg_pending_barrier if it appears in a debug-insn. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_9-branch@212739 138bc75d-0d04-0410-961f-82ee72b054a4 Upstream-Status: Backport [https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61801] Signed-off-by: Peter A. Bigot --- gcc/sched-deps.c | 3 ++- diff --git a/gcc/sched-deps.c b/gcc/sched-deps.c index efc4223..df29bd3 100644 --- a/gcc/sched-deps.c +++ b/gcc/sched-deps.c @@ -2750,7 +2750,8 @@ sched_analyze_2 (struct deps_desc *deps, rtx x, rtx insn) Consider for instance a volatile asm that changes the fpu rounding mode. An insn should not be moved across this even if it only uses pseudo-regs because it might give an incorrectly rounded result. */ - if (code != ASM_OPERANDS || MEM_VOLATILE_P (x)) + if ((code != ASM_OPERANDS || MEM_VOLATILE_P (x)) + && !DEBUG_INSN_P (insn)) reg_pending_barrier = TRUE_BARRIER; /* For all ASM_OPERANDS, we must traverse the vector of input operands. -- 1.8.5.5