http://llvm.org/bugs/show_bug.cgi?id=7273
Summary: error in sse code with _mm_set1_ps
Product: clang
Version: trunk
Platform: PC
OS/Version: All
Status: NEW
Severity: normal
Priority: P
Component: -New Bugs
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Created an attachment (id=4956)
--> (http://llvm.org/bugs/attachment.cgi?id=4956)
testcase
Attached testcase fails in codegen.
For reference, this is reduced from Bullet Physics
src/BulletDynamics/ConstraintSolver/btSequentialImpulseConstraintSolver.cpp
Actually, just
__m128 v; __mm_set1_ps(v);
Triggers the codegen failure, I don't know if that should even go as far as
codegen, I see _mm_set1_ps defined as taking a float argument.
But the test-case relies on implicit cast operator to float, and I'm guessing
it is choosing the wrong cast.
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