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author | Yiran Wang <yiran@google.com> | 2015-06-23 15:33:17 -0700 |
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committer | Yiran Wang <yiran@google.com> | 2015-06-29 10:56:28 -0700 |
commit | 1d9fec7937f45dde5e04cac966a2d9a12f2fc15a (patch) | |
tree | 3fbcd18a379a05fd6d43491a107e1f36bc61b185 /gcc-4.9/gcc/cprop.c | |
parent | f378ebf14df0952eae870c9865bab8326aa8f137 (diff) | |
download | toolchain_gcc-1d9fec7937f45dde5e04cac966a2d9a12f2fc15a.tar.gz toolchain_gcc-1d9fec7937f45dde5e04cac966a2d9a12f2fc15a.tar.bz2 toolchain_gcc-1d9fec7937f45dde5e04cac966a2d9a12f2fc15a.zip |
Synchronize with google/gcc-4_9 to r224707 (from r214835)
Change-Id: I3d6f06fc613c8f8b6a82143dc44b7338483aac5d
Diffstat (limited to 'gcc-4.9/gcc/cprop.c')
-rw-r--r-- | gcc-4.9/gcc/cprop.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/gcc-4.9/gcc/cprop.c b/gcc-4.9/gcc/cprop.c index 6a3429e19..c3acb05c1 100644 --- a/gcc-4.9/gcc/cprop.c +++ b/gcc-4.9/gcc/cprop.c @@ -790,11 +790,8 @@ try_replace_reg (rtx from, rtx to, rtx insn) /* REG_EQUAL may get simplified into register. We don't allow that. Remove that note. This code ought not to happen, because previous code ought to synthesize - reg-reg move, but be on the safe side. The REG_EQUAL note is - also removed when the source is a constant. */ - if (note && REG_NOTE_KIND (note) == REG_EQUAL - && (REG_P (XEXP (note, 0)) - || (set && CONSTANT_P (SET_SRC (set))))) + reg-reg move, but be on the safe side. */ + if (note && REG_NOTE_KIND (note) == REG_EQUAL && REG_P (XEXP (note, 0))) remove_note (insn, note); return success; |