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| author | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-03-10 18:17:10 +0000 |
|---|---|---|
| committer | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-03-10 18:17:10 +0000 |
| commit | 22dd154b8cf8c5748895eb3df0d55cb34bab7264 (patch) | |
| tree | dacbe9fcddf5ad20226ea333141629bbab53dd47 /gcc/reg-notes.def | |
| parent | 93eb342dab58cfa45d6e98a084ed991fa44ac9f2 (diff) | |
| download | gcc-22dd154b8cf8c5748895eb3df0d55cb34bab7264.tar.gz | |
PR debug/43290
* reg-notes.def (REG_CFA_SET_VDRAP): New note.
* dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
of fde->vdrap_reg.
(dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
(based_loc_descr): Only express drap or vdrap regno based expressions
using DW_OP_fbreg when not optimizing.
* config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
REG_CFA_SET_VDRAP note.
PR debug/36728
* gcc.dg/guality/pr36728-1.c: New test.
* gcc.dg/guality/pr36728-2.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@157363 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/reg-notes.def')
| -rw-r--r-- | gcc/reg-notes.def | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/reg-notes.def b/gcc/reg-notes.def index 90b5fde3feb..aa2daeac007 100644 --- a/gcc/reg-notes.def +++ b/gcc/reg-notes.def @@ -1,5 +1,6 @@ /* Register note definitions. - Copyright (C) 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. + Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 + Free Software Foundation, Inc. This file is part of GCC. @@ -153,6 +154,11 @@ REG_NOTE (CFA_REGISTER) first pattern is the register to be restored. */ REG_NOTE (CFA_RESTORE) +/* Attached to insn that is RTX_FRAME_RELATED_P, marks insn that sets + vDRAP from DRAP. If vDRAP is a register, vdrap_reg is initalized + to the argument, if it is a MEM, it is ignored. */ +REG_NOTE (CFA_SET_VDRAP) + /* Indicates that REG holds the exception context for the function. This context is shared by inline functions, so the code to acquire the real exception context is delayed until after inlining. */ |