[Bug tree-optimization/95433] Failure to completely optimize simple compare after operations

2021-09-04 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95433 Andrew Pinski changed: What|Removed |Added Resolution|--- |FIXED Target Milestone|---

[Bug tree-optimization/95433] Failure to completely optimize simple compare after operations

2020-08-10 Thread cvs-commit at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95433 --- Comment #7 from CVS Commits --- The master branch has been updated by Marc Glisse : https://gcc.gnu.org/g:287522613d661b4c5ba8403b051eb470c1674cba commit r11-2629-g287522613d661b4c5ba8403b051eb470c1674cba Author: Marc Glisse Date: Mon

[Bug tree-optimization/95433] Failure to completely optimize simple compare after operations

2020-08-04 Thread cvs-commit at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95433 --- Comment #6 from CVS Commits --- The master branch has been updated by Marc Glisse : https://gcc.gnu.org/g:ca2b8c082c4f16919071c9f8de8db0b33b54c405 commit r11-2550-gca2b8c082c4f16919071c9f8de8db0b33b54c405 Author: Marc Glisse Date: Tue

[Bug tree-optimization/95433] Failure to completely optimize simple compare after operations

2020-08-01 Thread glisse at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95433 --- Comment #5 from Marc Glisse --- Patch posted at https://gcc.gnu.org/pipermail/gcc-patches/2020-August/551154.html for the original testcase. Note that solving univariate polynomial equations *in the integers* (the rationals are not much

[Bug tree-optimization/95433] Failure to completely optimize simple compare after operations

2020-06-04 Thread ebotcazou at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95433 Eric Botcazou changed: What|Removed |Added CC||ebotcazou at gcc dot gnu.org ---

[Bug tree-optimization/95433] Failure to completely optimize simple compare after operations

2020-06-03 Thread joseph at codesourcery dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95433 --- Comment #3 from joseph at codesourcery dot com --- This is of course only valid because signed overflow is undefined; it wouldn't be a valid optimization with -fwrapv (unless x were narrower than int so no overflow could occur).

[Bug tree-optimization/95433] Failure to completely optimize simple compare after operations

2020-06-02 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95433 --- Comment #2 from Richard Biener --- Hmm, are we supposed to solve/simplify arbitrary linear equations? 3 * x * x * x + 5 == 8 is equal to x == 1. 3 * x * x + 5 == 8 is equal to abs(x) == 1. But sure, simple cases. I wonder if something

[Bug tree-optimization/95433] Failure to completely optimize simple compare after operations

2020-05-30 Thread glisse at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95433 Marc Glisse changed: What|Removed |Added Ever confirmed|0 |1 Status|UNCONFIRMED