This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]

Re: ppc64 assembler issue


	It is the assembler that is wrong and should accept either signed
or unsigned values for lis and the others.  I noticed this strangeness in
the assembler recently myself and the handling of 32-bit values not
extended to 64-bit for some undocumented reason.  The assembler should be
fixed, not GCC.

	I also noticed that -many still imposes 32-bit versus 64-bit
instructions which also is incorrect.  PowerPC64 has a bridge-mode which
also 32-bit instructions to have some reasonable meaning, but gas does not
provide any way to allow 32-bit target instructions mixed with 64-bit
target instructions.

David


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]