http://llvm.org/bugs/show_bug.cgi?id=11276
Bug #: 11276
Summary: Linux/ppc asm not understood by GNU as
Product: new-bugs
Version: 2.9
Platform: Other
OS/Version: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: new bugs
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Classification: Unclassified
Created attachment 7556
--> http://llvm.org/bugs/attachment.cgi?id=7556
puts("hello world!")
On linux/ppc llvm 2.9 (using clang) generates assembler in darwin style that
gnu as does not accept. A simple testcase with llvm and gcc output is attached.
It seems to be a simple case of ha16(x) versus x@ha and lo16(x) versus x@l
where the formers are darwin style and latters gnu style. Using corresponding
#defines and preprocessing clang's assembler will enable us to make a
functioning program.
$ clang -v
Debian clang version 2.9-16 (tags/RELEASE_29/final) (based on LLVM 2.9)
Target: powerpc-unknown-linux-gnu
gcc version 4.6.1 (Debian 4.6.1-15)
gcc -std=c99 -S -o simple_gcc.s simple.c
clang -std=c99 -S -o simple_clang.s simple.c
$ clang -std=c99 -c -o simple_clang simple.c
/tmp/cc-jdQ4Dp.s: Assembler messages:
/tmp/cc-jdQ4Dp.s:14: Error: syntax error; found `(', expected `,'
/tmp/cc-jdQ4Dp.s:14: Error: junk at end of line: `(.L.str)'
/tmp/cc-jdQ4Dp.s:15: Error: junk at end of line: `(3)'
clang: error: assembler command failed with exit code 1 (use -v to see
invocation)
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