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| author | Richard Biener <rguenther@suse.de> | 2016-04-28 12:34:28 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2016-04-28 12:34:28 +0000 |
| commit | de3fbea3b3c62a501f446d363240a67b60888299 (patch) | |
| tree | 12aea01cd20dcf39f2879797ce47e2739082c4f3 /gcc/tree-cfg.c | |
| parent | 9f9eb84eac326d99a1e1fb02496870bf3ebfbda9 (diff) | |
| download | gcc-de3fbea3b3c62a501f446d363240a67b60888299.zip gcc-de3fbea3b3c62a501f446d363240a67b60888299.tar.gz gcc-de3fbea3b3c62a501f446d363240a67b60888299.tar.bz2 | |
re PR tree-optimization/70840 (revisit reassoc handling of pow / powi, amend match.pd for powi)
2016-04-28 Richard Biener <rguenther@suse.de>
PR tree-optimization/70840
* match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
Mark x * pow(x,c) -> pow(x,c+1) commutative.
Add powi(x,y) * powi(z,y) -> powi(x*z,y).
From-SVN: r235566
Diffstat (limited to 'gcc/tree-cfg.c')
0 files changed, 0 insertions, 0 deletions