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authorBen Cheng <bccheng@google.com>2013-08-05 15:18:29 -0700
committerBen Cheng <bccheng@google.com>2013-08-05 16:03:48 -0700
commit32fce3edda831e36ee484406c39dffbe0230f257 (patch)
tree733b1b5398304b260a4ee3d5d9b17da5038c5486 /gcc-4.8/gcc/emit-rtl.c
parente85b9ca2afe8edbb9fa99c6ce2cc4e52dce18c21 (diff)
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[4.8] Merge GCC 4.8.1
Change-Id: Ic8a60b7563f5172440fd40788605163a0cca6e30
Diffstat (limited to 'gcc-4.8/gcc/emit-rtl.c')
-rw-r--r--gcc-4.8/gcc/emit-rtl.c24
1 files changed, 18 insertions, 6 deletions
diff --git a/gcc-4.8/gcc/emit-rtl.c b/gcc-4.8/gcc/emit-rtl.c
index 59cd38d40..b5278bf43 100644
--- a/gcc-4.8/gcc/emit-rtl.c
+++ b/gcc-4.8/gcc/emit-rtl.c
@@ -2660,16 +2660,13 @@ verify_rtx_sharing (rtx orig, rtx insn)
return;
}
-/* Go through all the RTL insn bodies and check that there is no unexpected
- sharing in between the subexpressions. */
+/* Go through all the RTL insn bodies and clear all the USED bits. */
-DEBUG_FUNCTION void
-verify_rtl_sharing (void)
+static void
+reset_all_used_flags (void)
{
rtx p;
- timevar_push (TV_VERIFY_RTL_SHARING);
-
for (p = get_insns (); p; p = NEXT_INSN (p))
if (INSN_P (p))
{
@@ -2693,6 +2690,19 @@ verify_rtl_sharing (void)
}
}
}
+}
+
+/* Go through all the RTL insn bodies and check that there is no unexpected
+ sharing in between the subexpressions. */
+
+DEBUG_FUNCTION void
+verify_rtl_sharing (void)
+{
+ rtx p;
+
+ timevar_push (TV_VERIFY_RTL_SHARING);
+
+ reset_all_used_flags ();
for (p = get_insns (); p; p = NEXT_INSN (p))
if (INSN_P (p))
@@ -2703,6 +2713,8 @@ verify_rtl_sharing (void)
verify_rtx_sharing (CALL_INSN_FUNCTION_USAGE (p), p);
}
+ reset_all_used_flags ();
+
timevar_pop (TV_VERIFY_RTL_SHARING);
}