http://llvm.org/bugs/show_bug.cgi?id=21042
Bug ID: 21042
Summary: fpowi handling on 64-bit architectures
Product: new-bugs
Version: 3.4
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: new bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
Created attachment 13075
--> http://llvm.org/bugs/attachment.cgi?id=13075&action=edit
a partially compiled to .ll example
When compiling the attached .ll file, compilation for 64-bit targets assert
with "do not know how to promote this operator's operand". sparcv9, powerpc,
aarch64.
The culprit is the fpowi() opcode. I tried to add cases in
PromoteIntegerResult and PromoteIntegerOperand, but I get other asserts.
Either I'm missing something in my implementation (quite possible) or there is
a deeper problem with assumptions about the datatypes of opcodes.
The original source is slamchf77.f compiled with gcc4.6.0 + dragonegg to a .ll
file.
Richard Gorton
[email protected]
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