| commit | a72b242eacf3bc43375daff829e04bcce634ad22 | |
| author | Alan Modra <amodra@gmail.com> | |
| Thu, 16 Feb 2017 22:56:51 +0000 (17 09:26 +1030) | ||
| committer | Jeff Law <law@gcc.gnu.org> | |
| Thu, 16 Feb 2017 22:56:51 +0000 (16 15:56 -0700) | ||
| tree | 8292f5e8b39f99c7703446eee1a6e3e17e09c454 | treesnapshot (tar.gz zip) |
| parent | 9b9ad3606debd14bd1e57306358f4fcab2c2b1db | commitdiff |
re PR rtl-optimization/79286 (ira and lra wrong code at -O2 and -Os on i686-linux)
2017-02-16 Alan Modra <amodra@gmail.com>
PR rtl-optimization/79286
* ira.c (def_dominates_uses): New function.
(update_equiv_regs): Don't create an equivalence for insns that
may trap where the register def does not dominate the use.
* gcc.c-torture/execute/pr79286.c: New.
From-SVN: r245521
2017-02-16 Alan Modra <amodra@gmail.com>
PR rtl-optimization/79286
* ira.c (def_dominates_uses): New function.
(update_equiv_regs): Don't create an equivalence for insns that
may trap where the register def does not dominate the use.
* gcc.c-torture/execute/pr79286.c: New.
From-SVN: r245521
| gcc/ChangeLog | diffblobblamehistory | |
| gcc/ira.c | diffblobblamehistory | |
| gcc/testsuite/ChangeLog | diffblobblamehistory | |
| gcc/testsuite/gcc.c-torture/execute/pr79286.c | [new file with mode: 0644] | blob |