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</o:shapelayout></xml><![endif]--></head><body lang=EN-IE link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>I’m not sure whether to direct this message to LLVM-Dev or CFE-Dev, but I think CFE is more appropriate.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>This is in respect to our out-of-tree implementation, derived from the v3.9.0 sources.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>If I am compiling a source file, and I use ‘</span><span style='font-size:12.0pt;font-family:"Courier New"'>-c -save-temps</span><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>’ (or ‘</span><span style='font-size:12.0pt;font-family:"Courier New"'>-c -save-temps=obj</span><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>’), the intermediate files ‘</span><span style='font-size:12.0pt;font-family:"Courier New"'>.i</span><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>’ or ‘</span><span style='font-size:12.0pt;font-family:"Courier New"'>.ii</span><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>’, ‘</span><span style='font-size:12.0pt;font-family:"Courier New"'>.bc</span><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>’ and ‘</span><span style='font-size:12.0pt;font-family:"Courier New"'>.s</span><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>’ are retained as expected; but in an odd twist, I get errors when I compile OpenCL files with the ‘</span><span style='font-size:12.0pt;font-family:"Courier New"'>.cl</span><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>’ extension.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>This only happens if the OpenCL source uses the keyword ‘</span><span style='font-size:12.0pt;font-family:"Courier New"'>half</span><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>’. If I do not use ‘</span><span style='font-size:12.0pt;font-family:"Courier New"'>-save-temps</span><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>’ then everything works correctly, but when I do use ‘</span><span style='font-size:12.0pt;font-family:"Courier New"'>-save-temps</span><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>’ it fails to parse ‘</span><span style='font-size:12.0pt;font-family:"Courier New"'>half</span><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>’ as being valid. The errors I get when I use ‘</span><span style='font-size:12.0pt;font-family:"Courier New"'>-save-temps</span><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>’ are:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:12.0pt;font-family:"Courier New"'>warning: unknown pragma ignored<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>for:<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:12.0pt;font-family:"Courier New"'>#pragma OPENCL EXTENSION cl_khr_fp16 : enable<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>and then subsequent uses of ‘</span><span style='font-size:12.0pt;font-family:"Courier New"'>half</span><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>’ such as:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:12.0pt;font-family:"Courier New"'>typedef __attribute__((ext_vector_type(2))) half half2;<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>result in:<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:12.0pt;font-family:"Courier New"'>error: unknown type name 'half'<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>When I omit ‘</span><span style='font-size:12.0pt;font-family:"Courier New"'>-save-temps</span><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>’ the source compiles correctly with no warnings or errors.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>Any idea what might be happening here? Are there changes in OpenCL support that I need to update my library sources for? Most of these are from the ‘</span><span style='font-size:12.0pt;font-family:"Courier New"'>libclc</span><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>’ sources, though I do have local edits that might be stale with respect to recent changes for OpenCL support.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>Thanks,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'> MartinO<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'><o:p> </o:p></span></p></div></body></html>