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| author | Jeff Law <law@redhat.com> | 2017-02-24 08:36:10 -0700 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2017-02-24 08:36:10 -0700 |
| commit | 19e1183f174dbd85deff959e93519c8239d38069 (patch) | |
| tree | 859039bd6e54c0bd62ccb538946330e4a6c73176 | |
| parent | d0815217034cbf58cbe1979f7ad4e173dbed6233 (diff) | |
| download | gcc-19e1183f174dbd85deff959e93519c8239d38069.zip gcc-19e1183f174dbd85deff959e93519c8239d38069.tar.gz gcc-19e1183f174dbd85deff959e93519c8239d38069.tar.bz2 | |
re PR rtl-optimization/79286 (ira and lra wrong code at -O2 and -Os on i686-linux)
PR rtl-optimizatoin/79286
* ira.c (update_equiv_regs): Drop may_trap_p exception to
dominance test.
From-SVN: r245714
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/ira.c | 3 |
2 files changed, 7 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 22964c8..1239c4a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2017-02-24 Jeff Law <law@redhat.com> + + PR rtl-optimizatoin/79286 + * ira.c (update_equiv_regs): Drop may_trap_p exception to + dominance test. + 2017-02-24 Richard Biener <rguenther@suse.de> PR tree-optimization/79389 @@ -3551,8 +3551,7 @@ update_equiv_regs (void) if (DF_REG_DEF_COUNT (regno) == 1 && note && !rtx_varies_p (XEXP (note, 0), 0) - && (!may_trap_p (XEXP (note, 0)) - || def_dominates_uses (regno))) + && def_dominates_uses (regno)) { rtx note_value = XEXP (note, 0); remove_note (insn, note); |