[Bug target/85683] [8 Regression] GCC 8 stopped using RMW (Read Modify Write) instructions on x86[_64]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85683 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug target/85683] [8 Regression] GCC 8 stopped using RMW (Read Modify Write) instructions on x86[_64]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85683 --- Comment #7 from Jakub Jelinek --- Author: jakub Date: Wed May 30 07:19:24 2018 New Revision: 260915 URL: https://gcc.gnu.org/viewcvs?rev=260915=gcc=rev Log: Backported from mainline 2018-05-08 Jakub Jelinek PR

[Bug target/85683] [8 Regression] GCC 8 stopped using RMW (Read Modify Write) instructions on x86[_64]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85683 Bug 85683 depends on bug 85756, which changed state. Bug 85756 Summary: [9 regression] wrong code at -Os on x86-64-linux-gnu in 32-bit mode https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85756 What|Removed

[Bug target/85683] [8 Regression] GCC 8 stopped using RMW (Read Modify Write) instructions on x86[_64]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85683 Jakub Jelinek changed: What|Removed |Added Summary|[8/9 Regression] GCC 8 |[8 Regression] GCC 8

[Bug target/85683] [8 Regression] GCC 8 stopped using RMW (Read Modify Write) instructions on x86[_64]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85683 Alexander Monakov changed: What|Removed |Added Keywords||missed-optimization