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| author | Eric Botcazou <ebotcazou@adacore.com> | 2017-10-24 07:26:52 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2017-10-24 07:26:52 +0000 |
| commit | bc2a7cebfda15f53bc8fa4b596e96a87b53193fe (patch) | |
| tree | 5835f9cdd7df1edbcc8445fba0d12041daf92a71 /gcc/loop-iv.c | |
| parent | d32bc875d2297f2f2240e8aad2082be4d1f851d8 (diff) | |
| download | gcc-bc2a7cebfda15f53bc8fa4b596e96a87b53193fe.zip gcc-bc2a7cebfda15f53bc8fa4b596e96a87b53193fe.tar.gz gcc-bc2a7cebfda15f53bc8fa4b596e96a87b53193fe.tar.bz2 | |
re PR middle-end/82569 (failure in 177.mesa cpu2000 test case after r253530)
PR middle-end/82569
* tree-outof-ssa.h (always_initialized_rtx_for_ssa_name_p): Delete.
* expr.c (expand_expr_real_1) <expand_decl_rtl>: Revert latest change.
* loop-iv.c (iv_get_reaching_def): Likewise.
* cfgexpand.c (expand_one_ssa_partition): Initialize the RTX if the
variable is promoted and the partition contains undefined values.
From-SVN: r254037
Diffstat (limited to 'gcc/loop-iv.c')
| -rw-r--r-- | gcc/loop-iv.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/loop-iv.c b/gcc/loop-iv.c index 45e8229..1d0c66f 100644 --- a/gcc/loop-iv.c +++ b/gcc/loop-iv.c @@ -353,7 +353,7 @@ iv_get_reaching_def (rtx_insn *insn, rtx reg, df_ref *def) adef = DF_REF_CHAIN (use)->ref; /* We do not handle setting only part of the register. */ - if (DF_REF_FLAGS (adef) & (DF_REF_READ_WRITE | DF_REF_SUBREG)) + if (DF_REF_FLAGS (adef) & DF_REF_READ_WRITE) return GRD_INVALID; def_insn = DF_REF_INSN (adef); |