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authorbstarynk <bstarynk@138bc75d-0d04-0410-961f-82ee72b054a4>2009-09-03 07:15:51 +0000
committerbstarynk <bstarynk@138bc75d-0d04-0410-961f-82ee72b054a4>2009-09-03 07:15:51 +0000
commit43ee3f43c8355e623faca36246804e55a784b985 (patch)
treebe310b3c549e4a26b6cc910f7f7dc8dcbd09a174 /gcc/regstat.c
parentc5f9099f3c8c8e7e3a89952504f01eec289117bd (diff)
downloadgcc-43ee3f43c8355e623faca36246804e55a784b985.tar.gz
2009-09-03 Basile Starynkevitch <basile@starynkevitch.net>
MELT branch merged with trunk rev 151367 git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/melt-branch@151369 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/regstat.c')
-rw-r--r--gcc/regstat.c28
1 files changed, 22 insertions, 6 deletions
diff --git a/gcc/regstat.c b/gcc/regstat.c
index 097d0fa8ea8..70ddfa4d84f 100644
--- a/gcc/regstat.c
+++ b/gcc/regstat.c
@@ -61,11 +61,27 @@ regstat_init_n_sets_and_refs (void)
regstat_n_sets_and_refs = XNEWVEC (struct regstat_n_sets_and_refs_t, max_regno);
- for (i = 0; i < max_regno; i++)
- {
- SET_REG_N_SETS (i, DF_REG_DEF_COUNT (i));
- SET_REG_N_REFS (i, DF_REG_USE_COUNT (i) + REG_N_SETS (i));
- }
+ if (MAY_HAVE_DEBUG_INSNS)
+ for (i = 0; i < max_regno; i++)
+ {
+ int use_count;
+ df_ref use;
+
+ use_count = DF_REG_USE_COUNT (i);
+ for (use = DF_REG_USE_CHAIN (i); use; use = DF_REF_NEXT_REG (use))
+ if (DF_REF_INSN_INFO (use) && DEBUG_INSN_P (DF_REF_INSN (use)))
+ use_count--;
+
+
+ SET_REG_N_SETS (i, DF_REG_DEF_COUNT (i));
+ SET_REG_N_REFS (i, use_count + REG_N_SETS (i));
+ }
+ else
+ for (i = 0; i < max_regno; i++)
+ {
+ SET_REG_N_SETS (i, DF_REG_DEF_COUNT (i));
+ SET_REG_N_REFS (i, DF_REG_USE_COUNT (i) + REG_N_SETS (i));
+ }
timevar_pop (TV_REG_STATS);
}
@@ -149,7 +165,7 @@ regstat_bb_compute_ri (unsigned int bb_index,
struct df_mw_hardreg **mws_rec;
rtx link;
- if (!INSN_P (insn))
+ if (!NONDEBUG_INSN_P (insn))
continue;
/* Increment the live_length for all of the registers that