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| author | Richard Biener <rguenther@suse.de> | 2019-08-20 12:02:56 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2019-08-20 12:02:56 +0000 |
| commit | 3ed01d5408045d80a1efc42fadacfcfb98f14997 (patch) | |
| tree | 5a8134073d50509866bc11b02a3f768d98a2a994 /gcc/function.c | |
| parent | a53aa4da8add4e3adc6c38f70eb172d570865831 (diff) | |
| download | gcc-3ed01d5408045d80a1efc42fadacfcfb98f14997.zip gcc-3ed01d5408045d80a1efc42fadacfcfb98f14997.tar.gz gcc-3ed01d5408045d80a1efc42fadacfcfb98f14997.tar.bz2 | |
re PR tree-optimization/37242 (missed FRE opportunity because of signedness of addition)
2019-08-20 Richard Biener <rguenther@suse.de>
PR tree-optimization/37242
* tree-ssa-sccvn.c (visit_nary_op): Also CSE (T)(a + b)
to (T)a + (T)b if we know that a + b does not overflow.
* gcc.dg/tree-ssa/ssa-fre-80.c: New testcase.
From-SVN: r274746
Diffstat (limited to 'gcc/function.c')
0 files changed, 0 insertions, 0 deletions