From 6afb52d3e2c1ea3376e3037d1c6e6a69ff7ac6fd Mon Sep 17 00:00:00 2001 From: Daniel Jacobowitz Date: Fri, 23 Jul 2010 13:55:07 +0000 Subject: [PATCH] dwarf2out.c (dwarf2out_frame_debug): Check for queued saves again after processing insn. * dwarf2out.c (dwarf2out_frame_debug): Check for queued saves again after processing insn. From-SVN: r162460 --- gcc/ChangeLog | 5 +++++ gcc/dwarf2out.c | 6 ++++++ 2 files changed, 11 insertions(+) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index cbe0146a517..c96691a88c3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2010-07-23 Daniel Jacobowitz + + * dwarf2out.c (dwarf2out_frame_debug): Check for queued saves + again after processing insn. + 2010-07-23 Jie Zhang * tree-sra.c (ipa_sra_preliminary_function_checks): Dump diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c index 183bbd38a2b..239f00271c4 100644 --- a/gcc/dwarf2out.c +++ b/gcc/dwarf2out.c @@ -2791,6 +2791,12 @@ dwarf2out_frame_debug (rtx insn, bool after_p) insn = PATTERN (insn); found: dwarf2out_frame_debug_expr (insn, label); + + /* Check again. A parallel can save and update the same register. + We could probably check just once, here, but this is safer than + removing the check above. */ + if (clobbers_queued_reg_save (insn)) + flush_queued_reg_saves (); } /* Determine if we need to save and restore CFI information around this -- 2.11.4.GIT