[Bug rtl-optimization/66706] Redundant bitmask instruction on x >> (n & 32)

2020-10-20 Thread guojiufu at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66706 Bug 66706 depends on bug 66552, which changed state. Bug 66552 Summary: Missed optimization when shift amount is result of signed modulus https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66552 What|Removed |Added

[Bug rtl-optimization/66706] Redundant bitmask instruction on x (n 32)

2015-07-03 Thread segher at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66706 --- Comment #4 from Segher Boessenkool segher at gcc dot gnu.org --- Author: segher Date: Fri Jul 3 14:37:26 2015 New Revision: 225382 URL: https://gcc.gnu.org/viewcvs?rev=225382root=gccview=rev Log: PR rtl-optimization/66706 *

[Bug rtl-optimization/66706] Redundant bitmask instruction on x (n 32)

2015-07-02 Thread segher at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66706 Segher Boessenkool segher at gcc dot gnu.org changed: What|Removed |Added Status|ASSIGNED|RESOLVED

[Bug rtl-optimization/66706] Redundant bitmask instruction on x (n 32)

2015-07-02 Thread segher at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66706 --- Comment #2 from Segher Boessenkool segher at gcc dot gnu.org --- Author: segher Date: Thu Jul 2 16:27:11 2015 New Revision: 225344 URL: https://gcc.gnu.org/viewcvs?rev=225344root=gccview=rev Log: PR rtl-optimization/66706 *

[Bug rtl-optimization/66706] Redundant bitmask instruction on x (n 32)

2015-06-30 Thread segher at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66706 Segher Boessenkool segher at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED