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authorMaciej W. Rozycki <macro@imgtec.com>2017-06-30 07:21:56 +0100
committerMaciej W. Rozycki <macro@imgtec.com>2017-06-30 07:21:56 +0100
commit909b4e3d5fb8579b3721651c9e64a11e7ec27e5f (patch)
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parentf5b2fd523f8f180e11f77b84a107279c562672cd (diff)
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MIPS: Add microMIPS XPA support
Add support for the base and Virtualization ASE microMIPS instructions as per the architecture specifications[1][2][3][4]. Most of this change by Andrew Bennett. [1] "MIPS Architecture for Programmers Volume II-B: The microMIPS32 Instruction Set", MIPS Technologies, Inc., Document Number: MD00582, Revision 5.04, January 15, 2014, Section 5.5 "Recoded 32-Bit Instructions", p. 340 [2] "microMIPS32 Architecture for Programmers Volume IV-i: Virtualization Module of the microMIPS32 Architecture", MIPS Technologies, Inc., Document Number: MD00848, Revision 1.06, December 10, 2013, Section 6.1 "Overview", pp. 133, 136 [3] "MIPS Architecture for Programmers Volume II-B: The microMIPS64 Instruction Set", MIPS Technologies, Inc., Document Number: MD00594, Revision 5.04, January 15, 2014, Section 5.5 "Recoded 32-Bit Instructions", pp. 415, 444 [4] "microMIPS64 Architecture for Programmers Volume IV-i: Virtualization Module of the microMIPS64 Architecture", MIPS Technologies, Inc., Document Number: MD00849, Revision 1.06, December 10, 2013, Section 6.1 "Overview", pp. 134-135, 139-140 binutils/ * NEWS: Mention microMIPS XPA support. opcodes/ * micromips-opc.c (XPA, XPAVZ): New macros. (micromips_opcodes): Add "mfhc0", "mfhgc0", "mthc0" and "mthgc0". gas/ * config/tc-mips.c (mips_ases): Add microMIPS XPA support. * testsuite/gas/mips/micromips@xpa.d: New test. * testsuite/gas/mips/mips.exp: Run the new test. Enable `xpa-virt-err' test for `micromips'.
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diff --git a/binutils/NEWS b/binutils/NEWS
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@@ -1,5 +1,8 @@
-*- text -*-
+* The MIPS port now supports microMIPS eXtended Physical Addressing (XPA)
+ instructions for assembly and disassembly.
+
* The MIPS port now supports the microMIPS Release 5 ISA for assembly and
disassembly.