http://llvm.org/bugs/show_bug.cgi?id=2549
Summary: Vector spills unaligned despite aligned stack
Product: new-bugs
Version: unspecified
Platform: PC
OS/Version: Windows XP
Status: NEW
Severity: enhancement
Priority: P2
Component: new bugs
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
CC: [email protected]
Created an attachment (id=1831)
--> (http://llvm.org/bugs/attachment.cgi?id=1831)
Bitcode file generating movups for vector spills
Loads and stores between SSE registers and the stack due to spills currently
use the unaligned move instruction (movups), despite the stack being properly
16-byte aligned. It could use aligned moves (movaps) instead for better
performance.
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