re PR bootstrap/54128 (GCC does not bootstrap on little endian mips due to mis-compar...

2012-12-21  Steve Ellcey  <sellcey@mips.com>

	PR bootstrap/54128
	* ira.c (build_insn_chain): Check only NONDEBUG instructions for
	register usage.

From-SVN: r194676

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e57a17baf6ee58162aa7f314a58ffe67c8e8221f..70975b67873239f494568429e293dd72e08c9f39 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2012-12-21  Steve Ellcey  <sellcey@mips.com>
+
+       PR bootstrap/54128
+       * ira.c (build_insn_chain): Check only NONDEBUG instructions for
+       register usage.
+
 2012-12-21  David Edelsohn  <dje.gcc@gmail.com>
 
        * varasm.c (bss_initializer_p): Remove static.

diff --git a/gcc/ira.c b/gcc/ira.c
index f0cbd6dc72e51e57f80cc7c1cc16095939f4e60c..0fa5b38959105e61708eca9e25861b43494b3c54 100644 (file)
--- a/gcc/ira.c
+++ b/gcc/ira.c
@@ -3563,7 +3563,7 @@ build_insn_chain (void)
              c->insn = insn;
              c->block = bb->index;
 
-             if (INSN_P (insn))
+             if (NONDEBUG_INSN_P (insn))
                for (def_rec = DF_INSN_UID_DEFS (uid); *def_rec; def_rec++)
                  {
                    df_ref def = *def_rec;
@@ -3654,7 +3654,7 @@ build_insn_chain (void)
              bitmap_and_compl_into (live_relevant_regs, elim_regset);
              bitmap_copy (&c->live_throughout, live_relevant_regs);
 
-             if (INSN_P (insn))
+             if (NONDEBUG_INSN_P (insn))
                for (use_rec = DF_INSN_UID_USES (uid); *use_rec; use_rec++)
                  {
                    df_ref use = *use_rec;