digitalmars.D.bugs - [Issue 12849] New: pmovmskb instruction cannot store to 64-bit
- via Digitalmars-d-bugs (28/28) Jun 03 2014 https://issues.dlang.org/show_bug.cgi?id=12849
https://issues.dlang.org/show_bug.cgi?id=12849 Issue ID: 12849 Summary: pmovmskb instruction cannot store to 64-bit registers Product: D Version: D2 Hardware: x86_64 OS: All Status: NEW Severity: normal Priority: P1 Component: DMD Assignee: nobody puremagic.com Reporter: briancschott gmail.com void main() { ulong a = 0xff; ulong b; asm { movq XMM0, a; pmovmskb RAX, XMM0; mov b, RAX; } assert (b == 1); } bug.d(8): Error: bad type/size of operands 'pmovmskb' This is perfectly valid according to the Intel documentation. --
Jun 03 2014