http://llvm.org/bugs/show_bug.cgi?id=15837
Bug ID: 15837
Summary: chromium libyuv source runs out of registers during
register allocation
Product: new-bugs
Version: trunk
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 10421
--> http://llvm.org/bugs/attachment.cgi?id=10421&action=edit
Runs out of registers when built with -O2 -fPIC -m32
A subcomponent of Chromium failed to compile with relatively recent clang 3.3,
giving the following error messages:
third_party/libyuv/source/row_posix.cc:1818:5: error: ran out of registers
during register allocation
"movdqa %[kShuffleMaskARGBToRGB24_0],%%xmm5 \n"
^
third_party/libyuv/source/row_posix.cc:1873:5: error: ran out of registers
during register allocation
"movdqa %[kShuffleMaskARGBToRAW_0],%%xmm5 \n"
^
Compilation flags: -O2 -fPIC -m32. This used to compile with older versions of
clang: the last trunk version I had that was able to build it was r176408,
r178624 (the next one I had archived) was not able to build it anymore.
A reduced testcase is attached.
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