http://sourceware.org/bugzilla/show_bug.cgi?id=15094
Bug #: 15094
Summary: tic6x - incorrect encoding of absdp, dpint, dpsp,
dptrunc, rcpdp and rsqrdp instructions
Product: binutils
Version: 2.23
Status: NEW
Severity: normal
Priority: P2
Component: gas
AssignedTo: unassig...@sourceware.org
ReportedBy: alexis.derue...@gmail.com
Classification: Unclassified
Created attachment 6844
--> http://sourceware.org/bugzilla/attachment.cgi?id=6844
patch that fixes encoding and disassembling of absdp, dpint, dpsp, dptrunc,
rcpdp and rsqrdp instructions
gas emits incorrect opcodes for absdp, dpint, dpsp, dptrunc, rcpdp and rsqrdp
instructions as it encodes even register number of the reg pair into src2 field
and 0 into src1 field whereas Ti assembler encodes odd register (msb) into src2
and even register (lsb) into src1.
The proposed patch enables the generation of the same opcode as the Ti
assembler.
Also, Ti disassembler doesn't care what the value of the src1 field is when
disassembling those instructions.
The same patch enables the disassembling of such opcodes the same way Ti
disassembler does.
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