[Issue 13852] New: SIMD comparison
via Digitalmars-d-bugs
digitalmars-d-bugs at puremagic.com
Wed Dec 10 08:53:01 PST 2014
https://issues.dlang.org/show_bug.cgi?id=13852
Issue ID: 13852
Summary: SIMD comparison
Product: D
Version: D2
Hardware: x86_64
OS: All
Status: NEW
Severity: enhancement
Priority: P1
Component: DMD
Assignee: nobody at puremagic.com
Reporter: john.loughran.colvin at gmail.com
long2 a,b;
auto c = a > b;
Error: incompatible types for ((a) > (b)): '__vector(long[2])' and
'__vector(long[2])'
As of SSE4_2, x86_64 has PCMPGT. GCC vector types have support for this and
even perform the necessary subtractions to use it for unsigned types.
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