http://llvm.org/bugs/show_bug.cgi?id=10098
Summary: Should codegen to CVTDQ2PD etc but is scalarized
Product: new-bugs
Version: 2.9
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P
Component: new bugs
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Created an attachment (id=6709)
--> (http://llvm.org/bugs/attachment.cgi?id=6709)
testcase .ll
In the attached testcases, the vector operations are all scalarized by codegen,
but GCC manages to produce vector code for all of them (they correspond to
vec_unpack_lo_expr, vec_unpack_hi_expr, vec_unpack_float_lo_expr,
vec_unpack_float_hi_expr). The simplest case looks to be @float_lo which could
be codegened as a CVTDQ2PD instruction.
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