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| author | Richard Biener <rguenther@suse.de> | 2020-09-17 11:48:36 +0200 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2020-09-17 13:56:15 +0200 |
| commit | c7f4be78cb61006492d16375aba5392f580cd633 (patch) | |
| tree | fae2071cad4368dfc130f1d0a4512567cd9369b4 /gcc/fortran/decl.c | |
| parent | 225a08220e444371ae4867b3e2ace275d30af3d3 (diff) | |
| download | gcc-c7f4be78cb61006492d16375aba5392f580cd633.zip gcc-c7f4be78cb61006492d16375aba5392f580cd633.tar.gz gcc-c7f4be78cb61006492d16375aba5392f580cd633.tar.bz2 | |
CSE negated multiplications and divisions
This adds the capability to look for available negated multiplications
and divisions, replacing them with cheaper negates.
2020-09-17 Richard Biener <rguenther@suse.de>
* tree-ssa-sccvn.c (visit_nary_op): Value-number multiplications
and divisions to negates of available negated forms.
* gcc.dg/tree-ssa/ssa-fre-88.c: New testcase.
Diffstat (limited to 'gcc/fortran/decl.c')
0 files changed, 0 insertions, 0 deletions