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authorDavid Malcolm <dmalcolm@redhat.com>2014-08-27 19:59:57 +0000
committerDavid Malcolm <dmalcolm@gcc.gnu.org>2014-08-27 19:59:57 +0000
commit292d1dfba682b01385511eeb86f0fd477c23edc5 (patch)
tree92f2a71a5e7897bbcdc7926f21109b6b42b5b1d4 /gcc
parent84fa8d9c4ed2aa3ffc3dded1f3ac9b5bb9ac29e0 (diff)
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dwarf2cfi.c: Use rtx_sequence
gcc/ 2014-08-27 David Malcolm <dmalcolm@redhat.com> * dwarf2cfi.c (create_trace_edges): Convert GET_CODE check into a dyn_cast, strengthening local "seq" from rtx to rtx_sequence *. Use methods of rtx_sequence. (scan_trace): Likewise for local "pat". From-SVN: r214592
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog7
-rw-r--r--gcc/dwarf2cfi.c19
2 files changed, 16 insertions, 10 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index dce1cb4..5ef2cd0 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,12 @@
2014-08-27 David Malcolm <dmalcolm@redhat.com>
+ * dwarf2cfi.c (create_trace_edges): Convert GET_CODE check into a
+ dyn_cast, strengthening local "seq" from rtx to rtx_sequence *.
+ Use methods of rtx_sequence.
+ (scan_trace): Likewise for local "pat".
+
+2014-08-27 David Malcolm <dmalcolm@redhat.com>
+
* coretypes.h (class rtx_sequence): Add forward declaration.
* rtl.h (class rtx_sequence): New subclass of rtx_def, adding
invariant: GET_CODE (X) == SEQUENCE.
diff --git a/gcc/dwarf2cfi.c b/gcc/dwarf2cfi.c
index f29d942..25571fa 100644
--- a/gcc/dwarf2cfi.c
+++ b/gcc/dwarf2cfi.c
@@ -2341,12 +2341,11 @@ create_trace_edges (rtx insn)
for (lab = nonlocal_goto_handler_labels; lab; lab = XEXP (lab, 1))
maybe_record_trace_start_abnormal (XEXP (lab, 0), insn);
}
- else if (GET_CODE (PATTERN (insn)) == SEQUENCE)
+ else if (rtx_sequence *seq = dyn_cast <rtx_sequence *> (PATTERN (insn)))
{
- rtx seq = PATTERN (insn);
- int i, n = XVECLEN (seq, 0);
+ int i, n = seq->len ();
for (i = 0; i < n; ++i)
- create_trace_edges (XVECEXP (seq, 0, i));
+ create_trace_edges (seq->insn (i));
return;
}
@@ -2421,12 +2420,12 @@ scan_trace (dw_trace_info *trace)
/* Handle all changes to the row state. Sequences require special
handling for the positioning of the notes. */
- if (GET_CODE (PATTERN (insn)) == SEQUENCE)
+ if (rtx_sequence *pat = dyn_cast <rtx_sequence *> (PATTERN (insn)))
{
- rtx elt, pat = PATTERN (insn);
- int i, n = XVECLEN (pat, 0);
+ rtx elt;
+ int i, n = pat->len ();
- control = XVECEXP (pat, 0, 0);
+ control = pat->element (0);
if (can_throw_internal (control))
notice_eh_throw (control);
dwarf2out_flush_queued_reg_saves ();
@@ -2438,7 +2437,7 @@ scan_trace (dw_trace_info *trace)
gcc_assert (!RTX_FRAME_RELATED_P (control));
gcc_assert (!find_reg_note (control, REG_ARGS_SIZE, NULL));
- elt = XVECEXP (pat, 0, 1);
+ elt = pat->element (1);
if (INSN_FROM_TARGET_P (elt))
{
@@ -2493,7 +2492,7 @@ scan_trace (dw_trace_info *trace)
for (i = 1; i < n; ++i)
{
- elt = XVECEXP (pat, 0, i);
+ elt = pat->element (i);
scan_insn_after (elt);
}