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re PR rtl-optimization/51271 (ICE in in maybe_record_trace_start, at dwarf2cfi.c:2244) 

2012-01-10  Tom de Vries  <tom@codesourcery.com>

	PR rtl-optimization/51271
	* dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
	handling annulled branch.

From-SVN: r183052
This commit is contained in:
Tom de Vries 2012-01-10 08:28:55 +00:00 committed by Tom de Vries
parent b440f32451
commit 5d1f1cd578
2 changed files with 8 additions and 0 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2012-01-10 Tom de Vries <tom@codesourcery.com>
* dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
handling annulled branch.
2012-01-10 Richard Henderson <rth@redhat.com>
* config/arm/arm.c (arm_vectorize_vec_perm_const_ok,

3
gcc/dwarf2cfi.c
View File

@ -2439,10 +2439,12 @@ scan_trace (dw_trace_info *trace)
if (INSN_FROM_TARGET_P (elt))
{
HOST_WIDE_INT restore_args_size;
cfi_vec save_row_reg_save;
add_cfi_insn = NULL;
restore_args_size = cur_trace->end_true_args_size;
cur_cfa = &cur_row->cfa;
save_row_reg_save = VEC_copy (dw_cfi_ref, gc, cur_row->reg_save);
scan_insn_after (elt);
@ -2453,6 +2455,7 @@ scan_trace (dw_trace_info *trace)
cur_trace->end_true_args_size = restore_args_size;
cur_row->cfa = this_cfa;
cur_row->reg_save = save_row_reg_save;
cur_cfa = &this_cfa;
continue;
}