digitalmars.D.bugs - [Issue 23077] New: codegen cannot generage XMM load/store for
- d-bugmail puremagic.com (24/24) May 01 2022 https://issues.dlang.org/show_bug.cgi?id=23077
https://issues.dlang.org/show_bug.cgi?id=23077 Issue ID: 23077 Summary: codegen cannot generage XMM load/store for optimized operation that uses byte/short/... Product: D Version: D2 Hardware: x86_64 OS: All Status: NEW Severity: blocker Priority: P1 Component: dmd Assignee: nobody puremagic.com Reporter: contact lsferreira.net The following code produces an Illegal instruction (core dumped) on the compiler: float bug(float x) { short i = *cast(short*)&x; ++i; return *cast(float*)&i; } The codegen try to generate optimized calls with XMM opcodes but fail to do it. This might happen to other types too. --
May 01 2022